LAMP UNIT AND INDICATOR THEREBY

LIGHTING MECHANISM AND THIS USING INDICATOR

Lamp malfunction detecting device and inverter equipped with the same, back lighting device and display device

This invention is directed to a lamp malfunction detecting device to detect a lamp malfunction. A maximum and minimum extracting circuit (151) outputs an electric current with the maximum value and the one with the minimum value from electric currents supplied from respective lamp driving circuits (140) as the maximum value of an electric current (Imax) and the minimum value of an electric current (Imin), respectively. A subtracting circuit (152) calculates a difference between the maximum value of the electric current (Imax) and the minimum value of the electric current (Imin) and outputs a difference voltage (DeltaV) after the amplification of the difference. A comparison circuit (153) compares the difference voltage (DeltaV) with a predetermined threshold voltage and outputs the compared result as a control signal (S). If the control signal (S) indicates that the difference voltage (DeltaV) is larger than the predetermined threshold voltage, a control circuit (130) makes the lamp driving ...

Lamp socket, backlight assembly having the same and display device having the same

The present invention relates to a lamp socket, a backlight assembly having the lamp socket and a display device having the lamp socket, and more particularly, to a lamp socket combined with a lamp and a power supply substrate. The lamp socket includes a socket housing and a plurality of power supply members. The socket housing has a plurality of connecting holes extended in a vertical direction. The power supply members are disposed in the connecting holes, respectively, and each of the power supply members includes a lamp connecting part and an inverter connecting part. The lamp connecting parts are protruded from an upper surface of the socket housing and include first and second portions facing each other. The inverter connecting part is integrally formed with the lamp connecting parts, and is protruded from a lower surface of the socket housing. The inverter connecting part may have a spring shape, and in which the inverter connecting part includes: a supporting portion which is protruded ...

Driving circuit for light emitting diodes and method for driving the light emitting diodes

The invention provides a driving circuit for light emitting diodes and method for driving the light emitting diodes. The driving circuit used for driving the series of light emitting diodes includes a DC-to-DC voltage converter, a current source, a detector and a feedback control circuit. The DC-to-DC voltage converter has a switch and generates a driving voltage on first ends of the series of light emitting diodes, in which a magnitude of the driving voltage is correlated with conduction of the switch. The current source is coupled to second ends of the series of the light emitting diodes and provides driving currents flowing through the light emitting diodes. The detector generates a feedback voltage corresponding to a sum of voltages on the second ends of the series of the light emitting diodes. The feedback control circuit generates a first control signal which controls the conduction of the switch in response to the feedback voltage.

With space variable back light source of the thin display device

Luminous strip and luminous module employing same

UNIT FOR ILLUMINATING A LIGHT-GUIDE PLATE FOR THE BACKLIGHTING OF A FACEPLATE PANEL OF A DIGITAL DISPLAY

L'invention concerne une unité d'éclairage (1) pour illuminer par la tranche une plaque de guide de lumière (9) destinée au rétroéclairage d'une dalle d'écran numérique (11). L'unité (1) comporte une plaque de circuit imprimé (2) destinée à être montée derrière la plaque guide de lumière (9), ainsi qu'au moins un organe luminescent (3) électriquement relié à la plaque de circuit imprimé (2). La plaque de circuit imprimé (2) comporte une portion principale (4) destinée à être montée en arrière de la plaque de guide de lumière (9) et une portion secondaire (6) prolongeant la portion principale (4) tout en étant orientée de manière à former un angle avec cette portion principale (4) pour être située en vis-à-vis de la tranche de la plaque de guide de lumière (9), et les organes luminescents (3) sont portés par la portion secondaire (6). L'invention s'applique aux écrans plats.

반도체 디바이스들의 이송을 위한 장치

... 반도체 디바이스들을 산출물 기판으로 이송하는 방법은 그것 상에 반도체 디바이스들을 갖는 반도체 웨이퍼의 제1 표면에 면하도록 산출물 기판의 표면을 배치하는 단계, 및 이송 메커니즘이 반도체 웨이퍼의 제2 표면에 맞물리게 하도록 이송 메커니즘을 작동시키는 단계를 포함한다. 반도체 웨이퍼의 제2 표면은 반도체 웨이퍼의 제1 표면의 맞은편에 있다. 이송 메커니즘을 작동시키는 단계는 핀으로 하여금 반도체 웨이퍼의 제1 표면상에 위치된 특정한 반도체 디바이스의 위치에 대응하는 반도체 웨이퍼의 제2 표면상에서의 위치에 대고 밀어붙이게 하는 단계, 및 핀을 안정 위치로 집어넣는 단계를 포함한다. 상기 방법은 반도체 웨이퍼의 제2 표면으로부터 특정한 반도체 디바이스를 분리하는 단계, 및 특정한 반도체 또는 디바이스를 산출물 기판에 부착하는 단계를 추가로 포함한다.

BACKLIGHT ASSEMBLY FOR SUPPLYING ELECTRIC POWER TO A LIGHT-EMITTING ELEMENT VIA A CONNECTOR, AND A BACKLIGHT UNIT AND A LIQUID CRYSTAL DISPLAY WHICH USE THE BACKLIGHT ASSEMBLY

BACKLIGHT UNIT HAVING AN IMPROVED ARRANGEMENT OF CONNECTORS AND CONNECTION LINES AND A PCB FOR THE SAME

PURPOSE: A backlight unit and a PCB(Printed Circuit Board) for the same are provided to subdivide and downsize the PCB constituting the backlight unit, and achieve the individual driving of the subdivided PCB. CONSTITUTION: A PCB(100) has LEDs(Light Emitting Diodes) mounted thereon, and connection pads electrically connected to the LEDs. A driving unit(300) is installed at one side surface of the PCB to drive the LEDs. Connectors(200) are joined to the connection pads of the PCB, wherein each of the connectors switches the connection direction into a direction of the driving unit. Connection lines(400) connect the connectors to the driving unit. © KIPO 2008 ...

Backlight unit and liquid crystal display module

BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY HAVING THE SAME

표시 장치 및 그것의 엘이디 바 연결 방법

... 본 발명의 표시 장치는, 표시 패널, 상기 표시 패널에 광을 출력하는 LED 바, 및 상기 표시 패널을 구동하는 구동 회로 및 상기 LED 바를 구동하는 LED 구동 회로를 갖는 소스 인쇄 회로 기판을 포함하고, 상기 LED 바와 상기 LED 구동 회로는 상기 소스 인쇄 회로 기판에 배치된 소켓을 통하여 연결된다.

BACKLIGHT UNIT AND A DISPLAY DEVICE HAVING THE SAME, PARTICULARLY CAPABLE OF PREVENTING PLURAL PCBS WITH PLURAL BUILT-IN LEDS FROM BEING SPACED FROM SUBSTRATES AND PREVENTING BRIGHTNESS FROM BEING DETERIORATED IN A REGION TO WHICH THE PCBS ARE ATTACHED

PURPOSE: A backlight unit and a display device having the same are provided to form fixed pattern, which joins and fixes substrates adjacent to a vertical and/or a horizontal direction, in a side region of a substrate, thereby reducing a use of a fixing member and preventing the deterioration of brightness in a region adjacent to the substrates. CONSTITUTION: A backlight unit comprises plural LED(Light Emitting Diode) units(110), at least a pair of first and second substrates(101a,102b), a first fixed pattern(120), a second fixed pattern(130), a containing member(200) and a first fixing member. The plural LED units are respectively built in the pair of first and second substrates. The first fixed pattern is provided in a side region of the first substrate. The second fixed pattern is provided in a side region of the second substrate to be overlapped with the first fixed pattern. The containing member contains the first and second substrates. The first fixing member is provided in a region ...

BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING SAME

The present invention relates to a backlight unit capable of reducing a size of a backlight control board and lightening and thinning a liquid crystal display device, and to a liquid crystal display device including the same. According to the present invention, the backlight unit comprises: a backlight having a plurality of LEDs arranged on at least one printed circuit board; a plurality of LED control chips for dividing the LEDs into a plurality of blocks, arranged on the printed circuit board to correspond to each of the blocks, and controlling on/off of the LEDs of each of the blocks; and a backlight driving unit for supplying LED on/off control signals to the LED control chips. Accordingly, the liquid crystal display device can be more lightened and thinned by reducing a size of a backlight control board through improvement of an LED control chip arrangement structure of an LED backlight capable of local dimming and a connection pattern structure of an LED control chip and LEDs. COPYRIGHT ...

LIQUID CRYSTAL DISPLAY DEVICE WITH A MOLD TYPE SUBSTRATE

PURPOSE: A liquid crystal display device is provided to remove a need of a separate insulation sheet by controlling thickness of a mold type substrate. CONSTITUTION: A plurality of lamps(120) are placed on a lower cover at a predetermined interval to provide light. A mold type substrate(110) is placed on both sides of the lower cover to couple the lamp. A liquid crystal panel is placed on the lamp to receive light. The mold type substrate comprises a conductive line, a gripper(113) coupling the lamp and a bar type mold frame(111). COPYRIGHT KIPO 2010 ...

SINGLE-BODY LAMP SOCKET FOR CONNECTING A PLURALITY OF LAMPS AND A POWER SUPPLY UNIT USING A SMALL NUMBER OF COMPONENTS, A BACK LIGHT ASSEMBLY HAVING THE SAME AND A DISPLAY DEVICE

PURPOSE: A single-body lamp socket, a back light assembly having the lamp socket and a display device are provided to connect a plurality of lamps and a power supply unit using two kinds of components of power applying members and a socket body integrated into a single lamp socket so as to electrically connect the lamps and the power supply unit and reduce the number of components of the lamp socket. CONSTITUTION: An integrated lamp socket(5) includes a socket body(10) and a plurality of power applying members(50). The socket body has a plurality of inverter insertion recesses(31) formed at the bottom thereof and a plurality of connecting holes(41) formed at the top thereof. The connecting holes are respectively connected with the inverter insertion recesses. Each of the plurality of power applying members includes a first terminal(51) exposed from a corresponding inverter insertion recess and a second terminal(54) exposed from a corresponding connecting hole. © KIPO 2008 ...

LIGHTING DEVICE

A lighting device comprises: a first substrate comprising a first connector and a first connection terminal, the first connector being connected to an external power supply or driving device, the first connection terminal being electrically connected to the first connector; and a second substrate connected electrically to the first connection terminal and comprising a light emitting device.

BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME

Provided is a backlight device which illuminates a liquid crystal display panel from the rear surface by using a plurality of light emitting diodes as light sources. The light emitting diodes are composed of units, the number of which is obtained by maximum unit (m)x(n) (m and n are natural numbers). A block is composed of a plurality of the units, each of which is the minimum unit of the light emitting diode. The size of the block can be discretionary set and changed.

IMAGE DISPLAY DEVICE AND A BACKLIGHT UNIT FOR AN IMAGE DISPLAY DEVICE

In one example, an image display device comprises: a front cover forming a front surface; a panel, at least part of the front surface of which is supported on the inside surface of the front cover; a panel guide which supports the rear surface of the panel; a bottom cover which is secured to the panel guide and which stretches underneath the panel; a plurality of light sources provided with light-emitting LED elements which supply light to the panel and which have a directivity angle of a predetermined size; and a printed circuit board on which the plurality of light sources are mounted and which is supported with respect to the bottom cover.

LIGHT SOURCE DEVICE AND DISPLAY DEVICE HAVING THE SAME

Disclosed are a light source device and a display device having the same. The light source device comprises light emitting modules comprising a light emitting device, a circuit termination module provided at a second end of the light emitting module, first and second connectors connected to a first end and the second end of the light emitting modules, respectively, and a fourth connector connected to the circuit termination module, and connected to the second connector of the light emitting module.

Color sensor integrated light emitting diode for LED backlight

A color sensor integrated light emitting diode (LED) is packaged with LED and color sensor mounted side by side inside LED package comprising a heat sink for mounting LED and the color sensor, both the color sensor and LED being buried by a high refractive index polymer followed by a diffuser layer and light extraction layer, all of which are transparent. Posts electrically linked to LED and color sensor inside the package are provided for external connection to LED and color sensor. Plurality of color sensors and LEDs can be packaged inside a single package with proper orientation of desired color LEDs to receive desired color by color sensors. Color change at the very source of light emission can be controlled with color sensor integrated LED package more effectively than conventional methods. Plurality of these packages can be employed for LED backlight for LCD, consumer lighting, decorative lighting and signage displays.

ILLUMINATING DEVICE FOR DISPLAY DEVICE, DISPLAY DEVICE, AND TELEVISION RECEIVING APPARATUS

A lighting device for a display device, according to the present invention, includes a tubular light source 15 and a relay connector 14 used to supply power to the tubular light source 15. The tubular light source 15 includes a glass tube 34 and a ferrule 36 having a cylindrical shape capable of being fitted to the glass tube 34. The ferrule 36 is arranged to electrically connect the tubular light source 15 to the terminal 14. The ferrule 36 includes an inner-diameter-changing elastic member 38 capable of elastic and radial deformation, so that its inner diameter is variable according to the outer diameter of the glass tube 34.

LIQUID CRYSTAL DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide a liquid crystal display device in which fixation of a lead wire led out of a housing is facilitated. SOLUTION: The liquid crystal display device 1 is equipped with a liquid crystal display panel and a lighting unit 10, wherein the lighting unit 10 is equipped with: a housing 11 which has a rectangular bottom wall surface and also has, at the side peripheral part thereof, louvered pieces 141 and 142 formed by cutting and protruding portions of the bottom wall surface to the back; and a frame-shaped intermediate frame 20 which houses and fixes a lighting member in the housing 11 and has a display window 200 at the center part, and the intermediate frame 20 is provided with lock pieces 231 to be inserted into opening parts 140 formed when the louvered pieces are louvered at places corresponding to the louvered pieces 141 and 142, so that gaps formed between the louvered pieces 141 and 142 and lock pieces 231 when the intermediate frame 20 is fixed to the housing ...

ELECTRICAL ENTLADUNGSRÖHRE, RING FITTING AND LIGHTING DEVICE, ANNOUNCEMENT AS WELL AS TV HOME RECEIVER WITH THIS ENTLADUNGSRÖHRE

LIQUID CRYSTAL DISPLAY DEVICE

Light source apparatus and display apparatus

Light-emitting device manufacturing method, light-emitting device, lighting device, backlight, liquid-crystal panel, display device, display device manufacturing method, display device drive method and liquid-crystal display device

Metal wiring (731) is formed in a straight-line area (S) of an insulative substrate (720), and metal wiring (732) is formed in an approximately parallel manner, a predetermined interval from metal wiring (731). Metal wiring (731) is connected to the n-type semiconductor core (701) of rod-shaped light-emitting elements (710A to 710D), and metal wiring (732) is connected to a p-type semiconductor layer (702). By dividing the insulative substrate (720) into a plurality of divided substrates, a plurality of light-emitting devices are formed so as to comprise rod-shaped light emitting elements (710) positioned on divided substrates. Of the plurality of light-emitting elements, a rod-shaped light-emitting element (710), the desired light-emitting quantity of which is not affected even if cut in the substrate division step, is disposed in the cutting area of the insulative substrate (720), and even if light is no longer emitted by a rod-shaped light-emitting element (710) due to damage caused ...

Backlight module and display device

Backlight unit

Display backlight with closely spaced light-emitting diode packages

The invention discloses a display backlight with closely spaced light-emitting diode packages. The electronic device may be provided with a display having backlight structures that include a light guide plate formed from a clear polymer film. The polymer film may have an edge into which light is emitted from an adjacent array of light-emitting diodes. The light emitting diodes may each include a semiconductor device that emits light. The semiconductor device in each diode may be mounted on lead frame structures and wirebonded to the lead frame structures with first and second wire bonds. To improve backlight homogeneity and thereby reduce the mixing distance for light in the light guide plate, the diodes may be spaced closely together using diode packages having end faces that are free of lead frame structures. Exposed lead frame structures for soldering the light-emitting diodes to a substrate may be formed under the light-emitting diodes and on rear surfaces of the light-emitting diodes ...

Backlight assembly for directly backlighting displays

A backlight assembly comprises a plurality of linear light sources arranged in parallel behind a display screen. The plurality of linear light sources is divided into a first group and a second group.The linear light sources belonging to the first group are oriented in a first direction. The linear light sources belonging to the second group are oriented in a second direction opposite to the first direction. The backlight assembly comprises a first inverter substrate for driving the linear light sources belonging to the first group, and a second inverter substrate for driving the linear lightsources belonging to the second group. The first and second substrates are arranged on one side of the linear light sources and the opposite side thereof, respectively.

Lighting Device for Display

액정 표시 장치

... 액정 표시 장치는 액정 표시 패널, 상기 액정 표시 패널로 광을 조사하며, 발광 다이오드를 포함하는 백라이트 유닛, 상기 액정 표시 패널과 연결되어 있으며, 상기 액정 표시 패널 및 상기 발광 다이오드를 구동하는 제1 연성 인쇄 회로 기판, 상기 발광 다이오드가 실장되어 있으며, 상기 제1 연성 인쇄 회로 기판과 연결되는 제2 연성 인쇄 회로 기판, 상기 제1 연성 인쇄 회로 기판과 상기 제2 연성 인쇄 회로 기판 사이를 연결하는 이방성 도전 필름, 및 상기 백라이트 유닛 및 상기 액정 표시 패널의 일부 이상을 수납하고, 상기 제1 연성 인쇄 회로 기판 및 상기 제2 연성 인쇄 회로 기판이 휘어져 배면에 위치하며, 상기 제2 연성 인쇄 회로 기판에 대응하여 함몰 형성된 함몰부를 포함하는 케이스를 포함한다.

SINGLE BODY TYPE LAMP SOCKET, BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME

LIGHT EMITTING DEVICE AND DISPLAY DEVICE USING SAME

A light emitting device is provided with an LED substrate (mounting substrate) (12); a plurality of light emitting diodes (LEDs) (21) mounted on the LED substrate (12); and a reflecting plate (50), which is mounted on the LED substrate (12), has a first surface (52a), and a second surface (52b) having front-rear relationship with the first surface (52a), reflects light emitted from one light emitting diode (LED) (21) of the light emitting diodes (LEDs) (21) by the first surface (52a), and reflects light from the light emitting diode (LED) (21) adjacent to the one light emitting diode (LED) (21) by the second surface (52b). Thus, in a backlight device using a solid-state light emitting element, such as LED, luminance is made uniform by reducing luminance nonuniformity. © KIPO & WIPO 2009 ...

ELECTRIC DISCHARGE TUBE, FITTING, ILLUMINATION DEVICE, DISPLAY DEVICE, AND TELEVISION RECEIVER

In an electric discharge tube, an electrically conductive fitting (50) having a body (51) and an electrically conductive section (57) are arranged at an end of a glass tube (40). The body (51) has a contact section (52) electrically conductively attached to a relay connector (14)(support means) and assembled to the outer periphery of the glass tube (40). The electrically conductive section (57) is extended from the body (51) and is in elastic contact with an outer lead (42). No load caused by the weight of the discharge tube (15) acts on the outer lead (42), and only the electrically conductive section (57) is in contact with the outer lead (42) in an elastic manner. As a result, stress concentration in the outer lead (42) can be prevented. © KIPO & WIPO 2009 ...

LIGHT-SOURCE DEVICE AND DISPLAY DEVICE

A light-source device (11) has: a light-emitting element (23); a light-guide plate (15) into which light from the light-emitting element (23) is inputted; and wiring (17) that supplies power to the light-emitting element (23). The light-guide plate (15) has a guide part (31) that positions the wiring (17).

BACKLIGHT WITH HOT CATHODE FLUORESCENT LAMP

A backlight (100) with a cathode fluorescent lamp comprises a hot cathode fluorescent lamp (10) having a bulb (12), a ferrule (50) provided onto the end of the hot cathode fluorescent lamp (10), and a socket (40) connected to the external terminal (52) of the ferrule (50). The external terminal (52) of the ferrule (50) extends in the direction substantially perpendicular to the longitudinal direction (92) of the bulb (12) (for example, in the direction reverse to the direction (90) of a screen), and the external terminal (52) is so held on the body part (51) of the ferrule (50) as to be capable of sliding along the longitudinal direction (92) of the bulb (12).

LED BACKLIGHT AND LIQUID CRYSTAL DISPLAY

An LED backlight in which deterioration in in-plane uniformity of brightness is suppressed, thinning and narrowing of frame can be attained while limiting the length of wiring, and routing of wiring is facilitated. An LED is provided on one surface of an LED substrate (40) which is mounted on a chassis panel (20) by having the surface opposite to the above-mentioned one surface of the LED substrate (40) in contact with the chassis panel (20), and a connection hole (25) penetrating the chassis panel (20) is provided at a portion in the region of the chassis panel (20) mounting the LED substrate (40).

LIGHT EMITTING DEVICE AND DISPLAY DEVICE USING SAME

A light emitting device is provided with an LED substrate (mounting substrate) (12); a plurality of light emitting diodes (LEDs) (21) mounted on the LED substrate (12); and a reflecting plate (50), which is mounted on the LED substrate (12), has a first surface (52a), and a second surface (52b) having front-rear relationship with the first surface (52a), reflects light emitted from one light emitting diode (LED) (21) of the light emitting diodes (LEDs) (21) by the first surface (52a), and reflects light from the light emitting diode (LED) (21) adjacent to the one light emitting diode (LED) (21) by the second surface (52b). Thus, in a backlight device using a solid-state light emitting element, such as LED, luminance is made uniform by reducing luminance nonuniformity.

Backlight device and liquid crystal display apparatus

A backlight device that illuminates a transmissive liquid crystal panel is disclosed. The device includes: a plurality of light source substrates on which a plurality of light emitting devices irradiating illumination light are mounted; a bottom chassis having one surface to which the plurality of light source substrates are attached; a reflector having openings corresponding to the light emitting devices and through which the light emitting devices are exposed to one surface side, and reflecting the illumination light irradiated from the light emitting devices; a diffuser facing the one surface side of the reflector through a predetermined facing interval and internally diffusing the illumination light incident from the reflector; and an optical function sheet laminate combined with the diffuser on one surface side thereof, containing a stack of a plurality of optical function sheets and guiding the illumination light to the transmissive liquid crystal panel.

Backlight system architecture for mobile display system

The present invention provides a mobile display system with an improved backlight system. In one embodiment of the invention, the mobile display system comprises a mobile unit including a flat panel display, and a first backlight circuit for providing light to the display. The first backlight circuit includes a plurality of lights sources disposed near edges of the mobile unit and a single power supply for powering a pre-selected one of the light sources. The system also comprises a base station capable of being powered by an external power source. The base station includes a second backlight circuit that comprises at least one power supply for powering the plurality of light sources in the mobile unit when the mobile unit is attached to the base station. This invention keeps the weight and power consumption of the mobile unit low, but allows long battery life at the compromise of display surface light intensity while mobile and provides high brightness characteristics when docked.

Apparatus for driving lamp and liquid crystal display device having the same

Disclosed is a liquid crystal display device having a lamp driving apparatus for preventing lamps from being damaged due to electric current variation among the lamps. A DC/DC converter converts an externally provided DC voltage input into a converted DC voltage signal having a predetermined voltage level. A DC/AC inverter inverts the converted DC voltage signal into an AC voltage signal to supply the inverted AC voltage signal to an input terminal of a lamp. A power controller detects electric current flowing the lamp at an output terminal of the lamp to control the level of the inverted AC voltage signal output from the DC/AC inverter and bypasses a part of electric current applied to the input terminal of the lamp when a level of the detected electric current is higher than a predetermined threshold value. Therefore, when the level of the electric current flowing through the lamp exceeds the predetermined threshold value, the power controller bypasses the part of the electric current ...

Backlight assembly for directly backlighting displays

A backlight assembly comprises a plurality of linear light sources arranged in parallel behind a display screen. The plurality of linear light sources is divided into a first group and a second group. The linear light sources belonging to the first group are oriented in a first direction. The linear light sources belonging to the second group are oriented in a second direction opposite to the first direction. The backlight assembly comprises a first inverter substrate for driving the linear light sources belonging to the first group, and a second inverter substrate for driving the linear light sources belonging to the second group. The first and second substrates are arranged on one side of the linear light sources and the opposite side thereof, respectively.

BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE

Provided are a backlight unit and a liquid crystal display device. The backlight unit includes: one or plural LED light sources including N-colored LEDs; a photo-detecting section which measures light intensities of red, green and blue colors of received light and outputs corresponding signals; a driver section including N LED-drivers; and a control section including a drive-condition calculating section and a memory. The drive-condition calculating section calculates control signals for three colors among the N colors, on the basis of information stored in the memory and the signals outputted by the photo-detecting section, makes a pair of each remaining color and one of the three colors, outputs the control signals for three colors to the corresponding three LED drivers, and outputs a control signal determined by using the control signal for a color paired with each remaining color to the LED driver for the each remaining color. 1. A backlight unit comprising:one or a plurality of LED light sources each including LEDs with N colors each emitting light in one of the N colors, where N is an integer of four or more;a photo-detecting section which measures light intensities of red, green and blue colors out of received light emitted from the one or plurality of LED light sources, and outputs signals corresponding to the light intensities;a driver section including N LED-drivers for driving the LEDs with the N colors, respectively; anda control section including a drive-condition calculating section and a memory, calculates control signals for three colors among the N colors, on a basis of information stored in the memory in advance and of the signals outputted by the photo-detecting section and corresponding to the light intensities of the red, green and blue colors,', 'makes a pair of each remaining color and any one of the three colors, the remaining color or colors being defined by excluding the three colors from the N colors, and', 'outputs, to the three LED ...

THIN DISPLAYS HAVING SPATIALLY VARIABLE BACKLIGHTS

Display apparatus

A display apparatus is provided. The display apparatus includes a display panel which displays an image; a top chassis and a bottom chassis which house the display panel; and a plurality of light-emitting boards which are installed on an inner surface of the bottom chassis, each of the light-emitting boards including a main printed circuit board (PCB) that extends in a longitudinal direction and light source packages installed on the main PCB, and the light source packages are arranged to be farther from a first longitudinal edge of the main PCB than a second longitudinal edge of the main PCB.

Liquid crystal display apparatus and lighting unit

The present invention discloses a lighting unit (10) comprising: a reflector panel (11); a plurality of substantially U-shaped cold cathode tubes (13) held parallel relative to the reflector panel; an inverter substrate (12); cold cathode tube holders (11a) for holding the cold cathode tubes parallel relative to the reflector panel in such a manner that terminals (13a) of the cold cathode tubes are arranged in a row along one side of the reflector panel; a substrate holder (11b) for holding the inverter substrate to be vertically relative to the reflector panel in such a manner that a lower side of the inverter substrate reaches a positions where the terminals are arranged in a row; a plurality of notches (12b) upwardly cut deep from the lower side of the inverter substrate so as to receive the terminals (13a); and solders (12d) provided for making electrical connections between the terminals and electrical supply patterns formed in the notches.

Driving device of backlight unit, liquid crystal display apparatus having the same, and control method thereof

A liquid crystal display (LCD) apparatus includes: an LCD panel; a light source unit which emits light to the LCD panel; a heating device which preheats the light source unit; a temperature sensing unit which senses temperature of the light source unit and outputs a temperature information; and a variable voltage supplying unit which changes a driving voltage to be supplied to the heating device according to the temperature information of the temperature sensing unit.

Backlight assembly and display device having the same

A backlight assembly includes a first substrate, a first electrode disposed on the first substrate, a second substrate disposed opposite to the first substrate, and a connector. The connector is disposed on the second substrate and includes a second electrode connected to the first electrode, and an elastic member which applies a force to the second electrode. The connector increases a contact force between the first electrode and the second electrode by applying the force to the second electrode.

Display apparatus providing a uniform temperature distribution over the display unit

A display apparatus includes: a display unit for displaying images, a backlight unit disposed behind the display unit for illuminating the display unit, an inverter unit for electrically controlling the backlight unit, a controller unit for controlling the inverter unit and the display unit, and a power supply unit having an exothermic heat distribution for supplying electricity to the inverter unit and the controller unit. The inverter unit and controller unit are disposed behind the backlight unit. The power supply unit is disposed on a side of the display unit, backlight unit, inverter unit and controller unit. The display unit, backlight unit, inverter unit, controller unit and power supply unit are disposed in a common housing. The inverter unit and said controller unit are arranged behind the backlight unit. An insulating member is further disposed between the power supply unit and the display unit at a position corresponding to a region of relatively large exothermic heat of the ...

DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide a backlight consuming less electric power, and a display device consuming less electric power by utilizing the light emitted from the backlight. SOLUTION: A display device comprises a light source device in which plural light-emitting elements are arranged, a scattering plate fixed to the light source device, a first polarizing plate fixed to the scattering plate, a liquid crystal panel fixed to the first polarizing plate, and a second polarizing plate fixed to the liquid crystal panel. The light source device includes a light-transmitting organic resin with a convex spherical surface for covering each of the plural light-emitting elements, and a light-transmitting organic resin with a flattened surface for covering the plural light-emitting elements and the light-transmitting organic resin with the convex spherical surface. COPYRIGHT: (C)2012,JPO&INPIT ...

INVERTER FOR LIQUID CRYSTAL DISPLAY DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE MODULE USING THIS

PROBLEM TO BE SOLVED: To provide an inverter for a liquid crystal display device capable of reducing the whole thickness simultaneously with securing an insulation distance from a transformer and a high voltage pattern to a cover-shield and a bottom cover, and a liquid crystal display device module using this. SOLUTION: The inverter for the liquid crystal display device includes a printed-circuit board 290 having a housing groove 295 opened in the front face and rear face directions, and the transformer 280 turned inside out and arranged in the housing groove 295 of the printed-circuit board 290 and generating a high voltage. COPYRIGHT: (C)2008,JPO&INPIT ...

DEVICE AND TEST PROCEDURE FOR A SCREEN

Illumination device, display device, and television receiver

Light source apparatus

The invention relates to a light source apparatus which includes: a plurality of light emitting substrates arranged in matrix form, each having at least one light source; an intermediate substrate provided between respective rows of the plurality of light emitting substrates; and a driving unit that outputs a drive signal for driving the light sources, wherein a first supply wiring for supplying the drive signal to the light source provided on each of the plurality of light emitting substrates is printed on each of the light emitting substrates, and a first connection wiring for electrically connecting the first supply wirings printed on two light emitting substrates sandwiching the intermediate substrate is printed on the intermediate substrate.

Backlight assembly, a relay connector, backlight unit

Back light unit using external electrode fluorescent lamp

Liquid crystal display

Thin and flexible type circuit forming substrate for e.g. LCD, has isolation layer intercalated between upper and lower copper layers, where upper layer is defined with wiring zone formed with circuit track to connect track with LEDs

Selon l'invention, ce substrat comprend une couche de cuivre inférieure (11), une couche de cuivre supérieure (11), et une couche d'isolation (13) qui est intercalée entre la couche de cuivre inférieure (11) et la couche de cuivre supérieure (12) pour permettre à la couche de cuivre inférieure (11) de ne pas être connectée électriquement à la couche de cuivre supérieure (12), la couche de cuivre supérieure (12) étant définie avec une zone de câblage qui est formée avec un tracé de circuit pour relier électriquement au moins une diode électroluminescente.

ELECTRONIC DEVICE

FLUORESCENT LAMP, AND LIGHT EMITTING DEVICE AND DISPLAY DEVICE USING FLUORESCENT LAMP

Provided is a fluorescent lamp having a glass container. The glass container has a fluorescent film, which contains a fluorescent material, on an inner surface, and is hermetically sealed. The fluorescent material contains a blue fluorescent material, which has a main emission peak in a wavelength region of 430nm or more but not more than 460nm, and has a spectrum half-width of 50nm or less at the main emission peak; a green fluorescent material, which has a main emission peak in a wavelength region of 510nm or more but not more than 530nm, and has a spectrum half-width of 30nm or less at the main emission peak; and a red fluorescent material, which has an emission peak in a wavelength region of 600nm or more but not more than 780nm. The difference between the wavelength at the main emission peak of the blue fluorescent material and that at the main emission peak of the green fluorescent material is 70nm or more but not more than 90nm. COPYRIGHT KIPO & WIPO 2010 ...

BACKLIGHT ASSEMBLY WITH A LIGHT EMITTING DIODE PACKAGE CAPABLE OF REDUCING A DECREASE OF LIGHT STRENGTH OF FIRST AND SECOND LIGHT EMITTING DIODES DUE TO HEAT DESPITE AN INCREASE OF LIGHT EMITTING TIME AND A DISPLAY DEVICE WITH THE SAME

PURPOSE: A backlight assembly with a light emitting diode package and a display device with the same are provided to easily emit heat to the outside while maintaining the heat of a light emitting diode in a thermal equilibrium condition by a heat conductive member. CONSTITUTION: A first light emitting unit(100) includes a first light emitting unit(120) and a second heat conductive member(132). The first heat conductive member absorbs heat of the first light emitting diode. A second light emitting unit(200) includes a second light emitting diode(220) and a second heat conductive member(232). The second heat conductive member absorbs heat of the second light emitting diode. A third heat conductive member(340) is connected to the first heat conductive member and the second heat conductive member. COPYRIGHT KIPO 2012 ...

CALIBRATION OF DISPLAYS HAVING SPATIALLY-VARIABLE BACKLIGHT

A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. The screen is illuminated with light from an illuminator comprising an array of individually-controllable light sources. The light sources and elements of the light modulator may be controlled to adjust the intensity and frequency of light emanating from corresponding areas on the screen. The display may be calibrated to compensate for differences in intensities of the light sources. COPYRIGHT KIPO & WIPO 2010 ...

LIQUID CRYSTAL DISPLAY DEVICE HAVING IMPROVED LIGHTING DEVICE

PURPOSE: A liquid crystal display device having an improved lighting device is provided to efficiently improve the brightness of a display screen and to obtain uniform brightness. CONSTITUTION: A liquid crystal display device includes a liquid crystal display panel(PNL) and a lighting device. The lighting device is supplied with alternately a first current during a period t1 and a second current during a second period t2 such that electric power E1 is lower than electric power E2. E1 is defined as(t1xip-p(1)xVp-p(1))/2+(t2xip-p(2)xVp-p(2))/2, where ip-p(1)=a peak-to-peak value of the first current, Vp-p(1)=a peak-to-peak value of a voltage across the light source during the period t1, ip-p(2)=a peak-to-peak value of the second current, and Vp-p(2)=a peak-to-peak value of a voltage across the light source during the period t2. E2 is defined as(t1+t2)xIeffxVeff, where Ieff and Veff are effective values of the current and voltage of the light source, respectively. © KIPO 2002 ...

LIGHTING DEVICE, DISPLAY APPARATUS, AND TELEVISION RECEIVER

LIGHT SOURCE DEVICE AND LCD HAVING THE SAME

PURPOSE: A light source device and a liquid crystal display device having the same are provided to separate electrode lines for supplying power, especially, a high voltage by a predetermined distance by coating with retraction tubes, thereby preventing the current leakage. CONSTITUTION: A light source device includes a light generating element for generating light, a power supply element for supplying power to the light generating element, a plurality of power supply lines(284a,284b,294a,294b) for electrically connecting the light generating element to the power supply element to supply the power to the light generating element, and leakage preventing elements(288,298) mounted to the plurality of power supply lines for preventing the leakage of power supplied to the light generating element, wherein the leakage preventing elements are coated to the power supply lines to separate the power supply lines from each other. © KIPO 2003 ...

Backlight Assembly and liquid crystal display comprising the same

공간 가변 백라이트들을 갖는 박형 디스플레이들

... 디스플레이는 광을 방출하는 광원 층을 제어하기 위해 광원 층이 제어 입력들을 가지도록 함으로써, 광 출력이 제어 입력들에 의해 결정되는 방식으로 위치에 따라 매끄럽게 변하도록 한다. LCD 패널 또는 다른 공간 광 변조기는 광원 층으로부터의 광을 변조한다. 광원 층은 박형일 수 있다.

BACKLIGHT ASSEMBLY FOR REDUCING THE NUMBER OF PARTS FOR DRIVING A PLURALITY OF LAMPS, AND A DISPLAY DEVICE HAVING THE SAME

PURPOSE: A backlight assembly and a display device having the same are provided to reduce the number of parts for driving a plurality of lamps and improve the reliability of electric connection between second electrode parts of the lamps with a grounding part, thereby improving the efficiency of assembly. CONSTITUTION: A backlight assembly includes a plurality of lamps, a power supply unit(5), a container, and a conductive adhering member. Each lamp includes a first electrode part and a second electrode part. The power supply unit applies a driving voltage to the first electrode part of each lamp. The container includes a bottom plate(31), side walls(33,35,37,39), and a grounding part. The lamps are arranged on the bottom plate in parallel. The side walls are extended from the bottom plate for forming a containing space. The grounding part contacts with the second electrode part of each lamp. The conductive adhering member adheres each second electrode part at the grounding part. © KIPO ...

BACKLIGHT UNIT FOR DRIVING MULTI-LAMP AND LIQUID CRYSTAL DISPLAY DEVICE USING THEREOF

FLAT LAMP DEVICE FOR TFT-LCD USING CARBON NANO TUBE

The present invention relates to a flat lamp device for TFT-LCD using a carbon nano tube capable of eliminating an after-image, wherein the flat lamp device has a high uniformity and a low power consumption. For this purpose, the present invention provides a flat lamp device for TFT-LCD using a carbon nano tube, including: a cathode electrode; carbon nano tubes installed on the cathode electrode; a grid electrode installed over the carbon nano tubes to induce electron emission from the carbon nano tubes; an anode electrode installed over the grid electrode and accelerating electrons emitted from the carbon nano tubes; a phosphor layer formed on a lower surface of the anode electrode and colliding with the accelerated electrons to emit the light; and a controller for applying a voltage pulse to the cathode electrode so that the phosphor layer can emit light.

ILLUMINATING DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER

An illuminating device (12) comprises a plurality of light sources (17), a regulator circuit (50) for balancing electric currents among the plurality of light sources (17), and a driving circuit (40) for supplying driving power to the light sources (17) through the regulator circuit (50), wherein the regulator circuit (50) is formed by dividing it at least into two parts of a first substrate (31) and a second substrate (32) disposed adjacent to the first substrate (31), and the driving circuit (40) along with the regulator circuit (50) is formed on the first substrate (31).

METHOD OF PRODUCING LIGHT EMISSION DEVICE

To produce a light source coupler, a lead frame (80) is formed by connecting an electric conductor (41) for red, an electric conductor (42) for first green, and an electric conductor (43) for second green to a first electric conductor (51) and second heat conductor (52). A connection section (81) is used for the above connection, and the lead frame (80) is used as the starting material. A reflector member (60) is formed by resin molding, at a position where a light emission section (32) is formed, a red LED (61) and a first green LED (62) are installed on a first projection (54) provided on the first heat conductor (51), and a second green LED (63) and a blue LED (64) are installed on a second projection (55) provided on the second heat conductor (52). Then, the LED of each color and the electric conductor for each color are electrically connected by a bonding wire (not shown), and after that, the connection section (81) is punched to electrically separate connection between the LED of ...

UNIT FOR ILLUMINATING A LIGHT-GUIDE PLATE FOR THE BACKLIGHTING OF A DIGITAL DISPLAY PANEL

The invention relates to a lighting unit (1) for the edge illumination of a light-guide plate (9) intended for the backlighting of a digital display panel (11). The unit (1) includes a printed circuit board (2) intended to be mounted behind the light-guide plate (9), as well as a luminescent member (3) electrically connected to the printed circuit board (2). The printed circuit board (2) includes a main portion (4) intended to be mounted behind the light-guide plate (9) and a secondary portion (6) extending from the main portion (4) and forming an angle therewith so as to be positioned facing the edge of the light-guide plate (9). The luminescent members (3) are borne by the secondary portion (6). The invention is suitable for flat screens.

LIGHTING DEVICE

A lighting device is provided. The lighting device comprises a first substrate and a plurality of second substrates. The plurality of second substrates are separately and electrically connected to the first substrate and comprise a light emitting device.

BACKLIGHT WITH HOT CATHODE FLUORESCENT LAMP

A backlight (100) comprises a hot cathode fluorescent lamp (10) and a casing (20). Each hot cathode fluorescent lamp includes a bulb (12) on the inner surface of which a fluorescent substance layer is formed and a filament (14) from which thermo electrons is emitted. The hot cathode fluorescent lamp is so disposed that the longitudinal direction (14a) of the filament is directed to the direction (40) of a screen, whereby the starting voltage of the hot cathode fluorescent lamp is lowered.

DISPLAY ILLUMINATING DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER

A display illuminating device (12) comprising tubular light sources (17) disposed in parallel and cover members (20) covering respective ends of the tubular light sources (17), wherein an electrode (41) is disposed at each of the ends of the tubular light sources (17) and each of the cover members (20) is provided with a conductive terminal (24) which is electrically connected to the electrode (41). That is, in addition to a fundamental covering function of the cover members (20), which is to cover the ends of the tubular light sources (17) to make them invisible, a conductive connection function is also given to the cover members (20) for connecting between the tubular light sources (17) and an external power source. Accordingly, it is made possible to improve an assembling efficiency of the display illuminating device (12) as well as to supply power reliably to the tubular light sources (17).

BACKLIGHTING DISPLAY APPARATUS

A backlighting apparatus for an LCD display includes a substrate and a circuit trace disposed on a surface of the substrate. The apparatus further includes a plurality of light sources affixed to the substrate via the circuit trace in a predetermined pattern across the surface of the substrate. Each light source includes one or more micro-sized, unpackaged LEDs. A height of the one or more micro-sized, unpackaged LEDs is from about 12 microns to about 200 microns. 1. A backlighting apparatus for an LCD display , the backlighting apparatus comprising:a substrate;a circuit trace disposed on a surface of the substrate; anda plurality of light sources affixed to the substrate via the circuit trace in a predetermined pattern across the surface of the substrate, each light source including one or more micro-sized, unpackaged LEDs, and a height of the one or more micro-sized, unpackaged LEDs being from about 12 microns to about 200 microns.2. The backlighting apparatus according to claim 1 , wherein a thickness of the substrate is from about 12 microns to about 775 microns.3. The backlighting apparatus according to claim 1 , wherein a material of the substrate includes one of: polyester claim 1 , acrylic claim 1 , polyimide claim 1 , or polycarbonate.4. The backlighting apparatus according to claim 1 , wherein a thickness of the circuit trace is from about 5 microns to about 40 microns.5. The backlighting apparatus according to claim 1 , wherein at least one LED of the one or more micro-sized claim 1 , unpackaged LEDs is affixed to the substrate via a direct transfer process in which the at least one LED is transferred directly claim 1 , via an automated mechanism claim 1 , from a wafer tape to the circuit trace on the surface of the substrate.6. The backlighting apparatus according to claim 1 , wherein the one or more micro-sized claim 1 , unpackaged LEDs of each light source are individually addressable to be powered on and off claim 1 , and to be varied in power level.7 ...

Circuit board, backlight unit and liquid crystal display device with the same

The present invention relates to a device which comprises a light source of a light emitting device, and more particularly to a circuit board, a backlight unit and a liquid crystal display device with the same. The backlight unit comprises a circuit board having a first line with circuit lines provided thereto, a plurality of second lines connected to the first line each to have elasticity at least at a point connected to the first line, and a light emitting device mounting portion connected to the second line and electrically connected to the circuit line, and a light guide plate positioned on the circuit board.

Mechanical fastening and electical connector for a printed circuit board in the LED-backlight of a liquid crystal display

In the backlight of a liquid crystal display module (100), a printed circuit board (262), on which an LED source (26) is mounted, is mechanically fixed to the rear frame (50) of the module by a screw (60) passing through a hole (262a) in the board. The screw is countersunk into a recess (262b) in the PCB so that its head (61) does not protrude from the surface of the board. In addition, an electrical connector (70) may be arranged to connect one of the edges of the PCB (262) in such a way that the connector fits into another recess (262c) of the PCB, without any portion of it protruding above the surface of the board. As a result, the PCB can easily support a light guide member (24) directly.

LED BACKLIGHT AND LIQUID CRYSTAL DISPLAY

An LED backlight is realized in which deterioration in in-plane uniformity of brightness can be prevented, whose thickness, frame width, and wire length can be reduced, and in which wiring can be carried out easily. An LED is provided on one surface of an LED substrate (40); the LED substrate (40) is mounted on a chassis panel (20) so that a surface of the LED substrate (40) opposite to the one surface makes contact with the chassis panel (20); and the chassis panel (20) has a connection hole (25) provided in portion of a region of the chassis panel (20) in which region the LED substrate (40) is mounted, which passes through the chassis panel (20).

Backlight assembley and method of assembling the same and liquid crystal display including backlight assembly

Backlight module and driving circuit module thereof

A backlight module includes a first driving circuit board (31), a second driving circuit board (32), a first light-emitting unit (33) and a second light-emitting unit (34). The first driving circuit board has a first power supply circuit (311) and a first current return circuit (312). The second driving circuit board has a second power supply circuit (321) and a second current return circuit (322). The first light-emitting unit has a first end electrically connected to the first power supply circuit of the first driving circuit board, and a second end electrically connected to the second current return circuit of the second driving circuit board. The second light-emitting unit has a first end electrically connected to the second power supply circuit of the second driving circuit board, and a second end electrically connected to the first current return circuit of the first driving circuit board.

LIQUID CRYSTAL DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide an illumination device using LED light sources each of which is driven by a single power supply to attain simple operational response and voltage control. SOLUTION: The illumination device includes a light source module, the module comprising a substrate; a plurality of wirings provided on the substrate; and a plurality of LED devices implemented in the wirings; wherein the plurality of LED devices include a plurality of red LED devices, a plurality of green LED devices, and a plurality of blue LED devices; wherein the plurality of wirings include a wiring having the plurality of red LED devices implemented in series, a wiring having the plurality of green LED devices implemented in series, and a wiring having the plurality of blue LED devices implemented in series; and wherein the plurality of wirings are connected in parallel and driven by a single power voltage. COPYRIGHT: (C)2009,JPO&INPIT ...

FLUORESCENT LAMP WITH EXTERNAL ELECTRODE, RÜCKLICHTEINHEIT WITH THE FLUORESCENT LAMP WITH EXTERNAL ELECTRODE, LCD TAILLIGHT MECHANISM WITH THE RÜCKLICHTEINHEIT AND HEADING FOR COMPONENT FOR IT

Display device

The invention provides a display device capable of blocking leakage light from a light guide plate to prevent quality degradation. A backlight unit (24) includes: a wiring board (28) having a light source (26) mounted thereon; a light guide plate (30) having an end surface into which light from the light source (26) enters, and a front surface (32) from which the light exits; a light-shielding pressure-sensitive adhesive sheet (52) for casuing the wiring board (28) to adhere to an end portion of the front surface (32) of the light guide plate (30); and a light diffusion sheet (38) which overlaps with the front surface (32) of the light guide plate (30). The front surface (32) of the light guide plate includes an effective region (34) serving as the planar light source and a light entering region (36) ranging from the end surface into which the light enters to the effective region (34). The wiring board (28) and the light-shielding pressure-sensitive adhesive sheet (52) each have a part ...

Display device and operation method thereof

Light mixing structure for improving color gamut and visual acuity of display device

Lighting device, display device and a television receiving apparatus

Liquid crystal display device

A subject of the present invention is to provide a liquid crystal display device in which the reliability of electrical connection between electrodes and electrode fittings can be improved even if there are variations in diameter of the bar light sources arranged in the back light. There is provided a liquid crystal display device comprising: a liquid crystal display panel; and a back light arranged on the back surface of the present liquid crystal display panel; wherein the back light is composed of a plurality of bar light sources arranged in parallel in a plane opposing the liquid crystal display panel and a base that supports each of the bar light sources through electrode fittings at electrode sections; wherein the electrode fittings are each provided with a pair of pressing portions which press the circumferential surface of the electrode of the bar light source from opposing sides of the circumferential surface; and wherein each of the pressing portions is arc-shaped such that the ...

Liquid crystal display device

Disclosed is an LCD device having molding-type substrates formed so as to have a controllable thickness through simplified fabricating processes. The LCD device comprises: a lower cover; a plurality of lamps disposed on the lower cover with a constant interval therebetween, and providing light; molding-type substrates disposed at both sides of the lower cover, and having lamps coupled thereto; and an LC panel disposed on the lamps, and receiving light, wherein each of the molding-type substrates comprises: a conductive wire to which a voltage is supplied from outside; grippers integrally formed on the conductive wire with a constant interval therebetween, and coupling the lamps; and a bar-shaped mold frame including the conductive wire therein, and exposing the grippers to outside.

Light source device and display device having the same

Disclosed are a light source device and a display device having the same. The light source device comprises light emitting modules comprising a light emitting device, a circuit termination module provided at a second end of the light emitting module, first and second connectors connected to a first end and the second end of the light emitting modules, respectively, and a fourth connector connected to the circuit termination module, and connected to the second connector of the light emitting module.

FLEXIBLE DEVICE AND METHOD OF MANUFACTURING THE SAME, AND DISPLAY APPARATUS

A method of manufacturing the flexible device includes: forming a photosensitive film on a hard base substrate, the photosensitive film including a photosensitive resin material containing azide; forming a base including an inorganic material on the photosensitive film; forming an electronic device functional layer on the base; forming an encapsulation layer on the electronic device functional layer; irradiating the photosensitive film at a side of the base substrate away from the encapsulation layer; and peeling off an entire structure including the base, and the electronic device functional layer and the encapsulation layer that have been formed on the base from the photosensitive film. 1. A method of manufacturing a flexible device , the method comprising:forming a photosensitive film on a hard base substrate, wherein the photosensitive film includes a photosensitive resin material containing azide;forming a base including an inorganic material on the photosensitive film;forming an electronic device functional layer on the base;forming an encapsulation layer on the electronic device functional layer;irradiating the photosensitive film at a side of the base substrate away from the encapsulation layer; andpeeling off an entire structure including the base, and the electronic device functional layer and the encapsulation layer that have been formed on the base from the photosensitive film.2. The method according to claim 1 , wherein forming the photosensitive film claim 1 , includes:forming the photosensitive film by using a photosensitive resin material containing azidonaphthalene compound.3. The method according to claim 2 , wherein forming the photosensitive film claim 2 , includes:forming the photosensitive resin material containing the azidonaphthalene compound on the base substrate by a coating process; andsequentially pre-baking and curing the photosensitive resin material formed on the base substrate to form a photosensitive film with a thickness of ...

BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME

The disclosure relates to backlight unit and display device including the same. The backlight unit includes an array substrate having a first surface on which a plurality of light emitting devices are disposed, and a second surface on which a plurality of Zener diodes are disposed corresponding to the plurality of light emitting devices, a driver substrate having a third surface contacting the second surface of the array substrate, and a fourth surface on which a plurality of driver integrated circuits are disposed, and a cover bottom accommodating the array substrate and the driver substrate. 1. A backlight unit comprising:an array substrate including a first surface on which a plurality of light emitting devices are disposed, and a second surface on which a plurality of Zener diodes corresponding to the plurality of light emitting devices are disposed, the second surface being positioned opposite to the first surface;a driver substrate including a third surface in contact with the second surface of the array substrate, and a fourth surface on which a plurality of driver integrated circuits are disposed, the fourth surface being positioned opposite to the third surface; anda cover bottom accommodating the array substrate and the driver substrate,wherein a plurality of first grooves are formed between the second surface of the array substrate and the third surface of the driver substrate, at least one Zener diode is disposed in each of the plurality of first grooves, a plurality of second grooves are formed between the driver substrate and the cover bottom, and at least one driver integrated circuit is disposed in each of the plurality of second grooves.2. The backlight unit according to claim 1 , further comprising a plurality of first partition walls positioned between the array substrate and the driver substrate claim 1 ,wherein each of the plurality of first grooves is defined by respective first partition walls of the plurality of first partition walls, a ...

DISPLAY DEVICE

A backlight unit includes a light source having an emission region, a wiring board having the light source mounted thereon, a light guide plate having a side surface into which light from the light source enters, and a front surface from which the light exits, a light shielding adhesive tape adhering to the wiring board, and an optical sheet which overlaps with the front surface of the light guide plate. The front surface of the light guide plate includes an effective region serving as a planar light source and a light entering region ranging from the side surface to the effective region. The wiring board and the light-shielding adhesive tape each have a part positioned in the light entering region, and the optical sheet is arranged from the effective region to the light entering region. An end portion of the optical sheet overlaps with the light-shielding tape. 1. A display device comprising:a display panel; anda backlight including a light emitting diode, a wiring board, a light guide plate, an optical sheet, and a light shielding tape,whereinthe light emitting diode has an emission region and is mounted on the wiring board,the light guide plate has a side surface into which light from the light emitting diode enters, and a front surface from which the light exits,the optical sheet overlaps with the front surface of the light guide plate,the light shielding tape adheres to the wiring board,the front surface of the light guide plate includes an effective region serving as a planar light source and a light entering region between the side surface and the effective region, andthe optical sheet overlaps with the light shielding tape in the light entering region.2. The display device according to claim 1 , wherein the light shielding tape overlaps with the light emitting diode.3. The display device according to claim 1 , wherein the light shielding tape adheres to the optical sheet.4. The display device according to claim 1 , wherein the light shielding tape adheres to ...

BACKLIGHT MODULE AND DISPLAY TERMINAL

A backlight module and a display terminal are disclosed. As an example, the backlight module includes at least one lamp board, a plurality of LED lamps, and at least one wire terminal. The at least one lamp board includes a first surface and a second surface opposite to the first surface. The plurality of LED lamps is arranged in an array on the first surface. The at least one wire terminal is disposed on the second surface and electrically connected to the plurality of LED lamps. 1. A backlight module , comprising:at least one lamp board, comprising a first surface and a second surface opposite to the first surface;a plurality of light emitting diode (LED) lamps arranged in an array on the first surface; andat least one wire terminal disposed on and attached to the second surface and electrically connected to the plurality of LED lamps.2. The backlight module according to claim 1 , further comprising:a backplane facing the second surface of the lamp board; andat least one receptacle structure formed on the backplane;wherein the at least one lamp board is coupled to the backplane such that the at least one wire terminal is accommodated in the at least one receptacle structure.3. The backlight module according to claim 2 , further comprising:a driving module disposed on the second surface of the lamp board and configured to control light emission of the plurality of LED lamps.4. The backlight module according to claim 3 , wherein the driving module is accommodated in the at least one receptacle structure.5. The backlight module according to claim 2 , wherein the at least one receptacle structure comprises an aperture structure or a recess structure formed on the backplane.6. The backlight module according to claim 2 , further comprising:at least one wire routing structure formed on the backplane, configured to accommodate and route at least one external wire connected to the at least one wire terminal.7. The backlight module according to claim 2 , wherein the ...

LIGHT EMITTING DEVICE AND BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY USING THE SAME

A light emitting device comprising a light emitting element and a secondary optical element is disclosed. The secondary optical element has a light output surface, a light incident surface and a bottom surface. The bottom surface is extended from the light incident surface and connected to the light output surface. The light output surface comprises a planar portion, and a convex curved surface portion. The planar portion is in the center of the light output surface, and the convex curved surface portion is around the planar portion. The light incident surface is a concave curved surface comprising a first curved surface and a second curved surface, which form a concave opening for receiving the light emitting element. The first curved surface is in the center of the light incident surface, and the second curved surface is connected to the bottom surface.

CHIP-MOUNTED BOARD, DISPLAY DEVICE, AND METHOD FOR PRODUCING CHIP-MOUNTED BOARD

A chip-mounted board including: micro light-emitting chips arranged in a matrix pattern in a light-emitting region; and a conductive line electrically connected to the micro light-emitting chips, the light-emitting region including a first region having a first luminance, a second region having a second luminance lower than the first luminance, and a third region having a third luminance lower than the first luminance and higher than the second luminance, the luminances being values determined with the same magnitude of current supplied to the micro light-emitting chips, the third region being positioned between the first region and the second region and satisfying the following formulas (1) and (2): 2. The chip-mounted board according to claim 1 ,wherein the chip-mounted board displays an image by controlling emission of the micro light-emitting chips.3. A display device comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the chip-mounted board according to ; and'}a liquid crystal panel disposed closer to a display surface than the chip-mounted board is,the display device displaying an image by allowing the liquid crystal panel to control an amount of light transmitted through the liquid crystal panel, the light emitted from the micro light-emitting chips.4. The display device according to claim 3 , further comprising a fluorescent sheet between the chip-mounted board and the liquid crystal panel claim 3 ,wherein the micro light-emitting chips emit blue light, andthe fluorescent sheet converts the blue light into red light or green light.5. A method for producing a chip-mounted board including micro light-emitting chips on a target substrate claim 3 , the method comprising:a step (1) of forming first micro light-emitting chips on a first semiconductor substrate;a step (2) of forming second micro light-emitting chips on a second semiconductor substrate; anda step (3) of transferring the first micro light-emitting chips on the first semiconductor substrate ...

ILLUMINATION DEVICE AND DISPLAY DEVICE

[Object] To provide an illumination device that enables uniform illumination by preventing an air layer from intervening between an adhesive layer and a substrate through manual bonding of a reflection sheet, and a display device including the illumination device. 1. An illumination device , comprising:a substrate including a wiring pattern;a plurality of light sources connected to the wiring pattern;an adhesive layer disposed on the substrate; anda reflection sheet bonded to the substrate with the adhesive layer interposed therebetween,wherein the reflection sheet includes openings corresponding to the plurality of light sources,wherein, in a first direction, the reflection sheet is located between the substrate and light-emitting surfaces of the light sources, andwherein the substrate has an air vent in an area in which the wiring pattern is not disposed and the adhesive layer is disposed.2. The illumination device according to claim 1 , wherein the adhesive layer is disposed over an entirety of the reflection sheet.3. The illumination device according to claim 1 , wherein the adhesive layer extends in a stripe form in a longitudinal direction of the reflection sheet.4. The illumination device according to claim 1 , wherein the air vent is disposed on a straight line located to bisect a distance between adjacent two of the plurality of light sources in a longitudinal direction of the reflection sheet.5. The illumination device according to claim 1 , wherein a heat dissipation system is disposed on a surface of the substrate opposite to a surface on which the reflection sheet is laminated.6. The illumination device according to claim 5 , wherein the heat dissipation system includes a dissipator sheet.7. The illumination device according to claim 5 ,wherein the heat dissipation system includes a heat sink, andwherein the heat sink includes a body and a radiator fin.8. The illumination device according to claim 5 , wherein at least one of corners of each of the light ...

DISPLAY BACKLIGHTING SYSTEMS WITH CANCELLATION ARCHITECTURE FOR CANCELING GHOSTING PHENOMENA

Aspects of the subject technology relate to an electronic device with a display. The display includes a first array of light-emitting diodes of a backlight unit to generate backlight for the display with each LED including an anode and a cathode. A first switch selectively couples a power supply voltage to a common anode of the first array of LEDs to control illumination of the first array of LEDs. A first discharge switch selectively couples a first voltage level to the common anode of the first array of LEDs to discharge the common anode to prevent an undesired current path through the first array of LEDs and associated undesired illumination. 1. An electronic device with a display , the display comprising:a first array of light-emitting diodes (LEDs) of a backlight unit to generate backlight for the display with each LED including an anode and a cathode;a first switch to selectively couple a power supply voltage to a common anode of the first array of LEDs to control illumination of the first array of LEDs; anda first discharge switch to selectively couple a first voltage level to the common anode of the first array of LEDs to discharge the common anode to prevent an undesired current path through the first array of LEDs and associated undesired illumination.2. The electronic device of claim 1 , further comprising:driver circuitry coupled to the first array of the LEDs, wherein the driver circuitry is configured to generate drive signals for causing illumination of the first array of LEDs when the first switch couples the power supply voltage to the common anode.3. The electronic device of claim 1 , wherein the first voltage level comprises a ground voltage level.4. The electronic device of claim 1 , wherein the first voltage level comprises a voltage level that is sufficient to discharge the common anode to a voltage level that is less than a threshold voltage level for illuminating the first array of LEDs.5. The electronic device of claim 1 , wherein the first ...

ELECTRONIC APPARATUS INCLUDING LIGHT SOURCE UNIT AND METHOD OF FABRICATING THE SAME

A light source unit includes a plate including a front surface and a rear surface opposite to the front surface, a light scattering section on the front surface of the plate, a light controlling section on the light scattering section and including a plurality of quantum dots, a light source on the rear surface of the plate and including a light emitting element which generates light, a light emitting surface from which the light is emitted, and a plurality of lead frames connected to the light emitting element. The light source provides light from the rear surface of the plate toward the light controlling section. The light emitting surface of the light source is in contact with the rear surface of the plate. 1. A light source unit , comprising:a plate including a front surface and a rear surface opposite to the front surface;a light scattering section on the front surface of the plate;a light controlling section on the light scattering section, wherein the light controlling section includes a plurality of quantum dots;a light source on the rear surface of the plate, wherein the light source includes a light emitting element which generates light, a light emitting surface from which the light is emitted, and a plurality of lead frames connected to the light emitting element,wherein the light source provides light from the rear surface of the plate toward the light controlling section, andwherein the light emitting surface of the light source is in contact with the rear surface of the plate.2. The light source unit of claim 1 , wherein the plate includes:a base layer including a top surface, on which the light scattering section is disposed, and a bottom surface opposite to the top surface;a plurality of conductive lines on the bottom surface of the base layer; anda window dielectric layer which covers the bottom surface of the base layer, wherein a plurality of contact holes is defined through the window dielectric layer to expose portions of the conductive lines, ...

BACKLIGHT MODULE WITH MJT LED AND BACKLIGHT UNIT INCLUDING THE SAME

A direct type backlight unit disposed under a liquid crystal panel includes a backlight module including a printed circuit board including blocks arranged in an M×N matrix, in which M and N are natural numbers of 2 or greater, light emitting devices disposed on the printed circuit board such that at least one light emitting device is disposed in each block, each of the light emitting devices including light emitting cells disposed on a single substrate, and optical members disposed on the light emitting devices, each of the optical members being configured to change a light beam distribution of a corresponding light emitting device, and a backlight control module configured to control dimming levels of the light emitting devices and to independently control the light emitting devices disposed in different blocks. 1. A direct type backlight unit disposed under a liquid crystal panel , comprising: a printed circuit board comprising blocks arranged in an M×N matrix, M and N being natural numbers of 2 or greater;', 'light emitting devices disposed on the printed circuit board such that at least one light emitting device is disposed in each of the blocks, each of the light emitting devices comprising light emitting cells disposed on a single substrate; and', 'optical members disposed on the light emitting devices, each of the optical members being configured to change a light beam distribution of a corresponding light emitting device; and, 'a backlight module comprisinga backlight control module configured to control dimming levels of the light emitting devices and to independently control the light emitting devices disposed in different blocks.2. The backlight unit of claim 1 , wherein each of the blocks has a horizontal length of 60 mm or less and a vertical length of 55 mm or less.3. The backlight unit of claim 1 , wherein each of the optical members is disposed on the printed circuit board to correspond to each of the light emitting devices.4. The backlight unit of ...

DIRECT TYPE BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY

The present disclosure discloses a direct type backlight module, which includes a back plate and a light source disposed on the back plate, wherein the light source includes a printed circuit board and a plurality of micro-LED chips electrically connected to the printed circuit board, the plurality of micro-LED chips are arranged in a matrix array on the printed circuit board, and a light shielding unit is disposed between any adjacent two micro-LED chips; and the printed circuit board is further connected with a backlight driving chip thereon which drives each of the plurality of micro-LED chips independently. The present disclosure further provides a liquid crystal display which includes the abovementioned direct type backlight module. 1. A direct type backlight module , comprising a back plate and a light source disposed on the back plate , wherein the light source comprises a printed circuit board and a plurality of micro-LED chips electrically connected to the printed circuit board , the plurality of micro-LED chips are arranged in a matrix array on the printed circuit board , and a light shielding unit is disposed between any adjacent two micro-LED chips; and the printed circuit board is further connected with a backlight driving chip thereon which drives each of the plurality of micro-LED chips independently.2. The direct type backlight module of claim 1 , wherein the micro-LED chip is a micro-LED chip which emits monochromic blue light claim 1 , and the direct type backlight module further comprises a quantum dot thin film layer disposed above the light source and emitting red light and green light under an excitation of the blue light emitted from the micro-LED chip.3. The direct type backlight module of claim 2 , wherein there is a gap between the quantum dot thin film layer and the light source claim 2 , and the gap has a height of 0.3-0.5 mm.4. The direct type backlight module of claim 2 , wherein the quantum dot thin film layer has a thickness of 80-100 ...

LIGHT SOURCE DEVICE AND DISPLAY DEVICE

A light source device can include a frame including a bottom wall and a side wall surrounding the bottom wall; a light source on the bottom wall; a wavelength converting structure disposed over the light source and including wavelength converting mediums therein; and a first heat sink disposed at a side of the frame to be opposite to the wavelength converting structure, in which the wavelength converting structure is disposed on and directly contacts a top surface of the side wall of the frame. 1. A light source device , comprising:a frame including a bottom wall and a side wall surrounding the bottom wall;a light source on the bottom wall;a wavelength converting structure disposed over the light source and including wavelength converting mediums therein; anda first heat sink disposed at a side of the frame to be opposite to the wavelength converting structure,wherein the wavelength converting structure is disposed on and directly contacts a top surface of the side wall of the frame.2. The light source device according to claim 1 , further comprising:a thermal conductor connecting a side surface of the wavelength converting structure and the side wall of the frame.3. The light source device according to claim 2 , wherein the thermal conductor has an uneven side surface.4. The light source device according to claim 1 , wherein the wavelength converting structure has an uneven side surface.5. The light source device according to claim 1 , further comprising:a thermal conductor connecting a bottom surface of the wavelength converting structure and the bottom wall of the frame6. The light source device according to claim 1 , further comprising:a second heat sink at the side surface of the wavelength converting structure.7. The light source device according to claim 1 , wherein the wavelength converting structure further includes a dispersion medium transmitting a light of at least a visible light wavelength region.8. The light source device according to claim 1 , ...

High performance seamless light emitting diode illuminated display

A display illumination module for the illumination of a rear-projection screen is provided in which a first array of light sources is positioned adjacent to a first face of an optical modulating array layer for modulating the transmission of light emitted by the first array light sources. The first array light sources emit light within a defined angular range, and the optical modulating array layer is positioned relative to the first array of light sources so that light from adjacent light sources does not overlap at the optical modulating array layer. A second array of light sources is positioned adjacent to a second side of the optical modulation array layer and is arranged such that light from the second array of light sources does not pass through said optical modulation array layer and said second array of light sources does not substantially block light from the first array of light sources passing through the optical modulating array layer. One or more display modules may be incorporated into a display system that includes a rear projection screen that is spatially offset from the optical modulating array layer so that light emitted from adjacent light sources in either the first or the second array of light sources overlaps on the screen.

DISPLAY DEVICE HAVING ANTI-STATIC FUNCTION

A display device which is immune to a build-up of static electricity includes a display module and an anti-static layer. The anti-static layer is formed on a side surface of the display module. The anti-static layer includes an insulating layer on the side surface and a conductive layer stacked on the insulating layer. The conductive layer is electrically coupled to a conductive component of the display device. 1. A display device comprising:a display module, the display module comprising at least one side surface; andan anti-static layer on the at least one side surface;wherein the anti-static layer comprises an insulating layer on the at least one side surface and a conductive layer stacked on the insulating layer; the conductive layer is electrically coupled to a conductive component of the display device.2. The display device of claim 1 , wherein the display device is a liquid crystal display device and further comprises a backlight module; the display module is stacked on the backlight module; the backlight module comprises a back plate made of an electrically conductive material; the conductive layer extends to be electrically coupled to the back plate.3. The display device of claim 2 , wherein the back plate comprises a bottom wall and at least one side wall substantially perpendicularly extending from the bottom wall; the display module and the at least one side wall cooperative to define the at least one side surface.4. The display device of claim 2 , wherein both of the insulating layer and the conductive layer cover not only the display module but also the at least one side wall of the back plate.5. The display device of claim 1 , wherein the display module comprises a thin film transistor substrate claim 1 , the conductive layer extends to be electrically coupled to the thin film transistor substrate.6. The display device of claim 5 , wherein the display device is a liquid crystal display device and further comprises a backlight module claim 5 , the ...

LIQUID CRYSTAL DISPLAY MODULE

A liquid crystal display module comprises a thin film transistor array substrate, a liquid crystal layer, a color filter substrate and a plurality of light emitting diode chips. The thin film transistor array substrate has a first surface and a second surface. A circuit structure is formed on the first surface. A plurality of thin film transistors is formed on the second surface and electrically connecting to the circuit structure. The liquid crystal layer faces the second surface. The liquid crystal layer is formed between the thin film transistor array substrate and the color filter substrate. The light emitting diode chips are adhered on the first surface and electrically connecting to the circuit structure. Each light emitting diode chip has a light emitting surface. Light emitted from the light emitting surfaces is incident on the first surface of the thin film transistor array substrate. 1. A liquid crystal display module comprising: a circuit structure formed on the first surface; and', 'a plurality of thin film transistors formed on the second surface and electrically connecting to the circuit structure by conductors received in the holes;, 'a thin film transistor array substrate having a first surface and a second surface opposite to the first surface, the thin film transistor array substrate defining a plurality of holes and comprising a color filter substrate, the liquid crystal layer being formed between the thin film transistor array substrate and the color filter substrate; and', 'a plurality of light emitting diode chips adhered on the first surface and electrically connected to the circuit structure, each of the plurality of light emitting diode chips having a light emitting surface, and light emitted from the light emitting surfaces of the plurality of light emitting diode chips being incident on the first surface of the thin film transistor array substrate., 'a liquid crystal layer facing the second surface of the thin film transistor array ...

LIQUID CRYSTAL DISPLAY DEVICE

A liquid crystal display device comprises a backlight module and a liquid crystal display module in a light emitting path of the backlight module. The liquid crystal display module includes a first conductive substrate facing the backlight module, a second conductive substrate spaced apart from the first conductive substrate, and a liquid crystal layer sandwiched between the first conductive substrate and the second conductive substrate. The second conductive substrate includes a transparent substrate, a color filter layer formed on the transparent substrate, and a light converting layer formed on the color filter layer, and a transparent conductive layer formed on the light converting layer. 1. A liquid crystal display device comprising:a backlight module; and 'a first conductive substrate facing the backlight module, a second conductive substrate spaced apart spaced apart from the first conductive substrate, and a liquid crystal layer sandwiched between the first conductive substrate and the second conductive substrate, wherein the second conductive substrate comprising a transparent substrate, a color filter layer formed on the transparent substrate, and a light converting layer formed on the color filter layer, and a transparent conductive layer formed on the light converting layer, and the transparent conductive layer facing toward the liquid crystal layer and the transparent substrate is spaced from the liquid crystal layer.', 'a liquid crystal display module disposed in a light emitting path of the backlight module; the liquid crystal display module comprising2. The liquid crystal display device of claim 1 , wherein the color filter layer comprises a plurality of filter color blocks spaced apart from each other.3. The liquid crystal display device of claim 1 , wherein the light converting layer comprises a plurality of fluorescent color blocks spaced apart from each other claim 1 , and each fluorescent color block aligned with each filter color block claim 1 ...

BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME

A backlight unit including: a base substrate in which a light emitting area and a non-light emitting area are defined; a wiring layer including: a lower conductive layer disposed on the base substrate; an intermediate conductive layer disposed on the lower conductive layer; and an upper conductive layer disposed on the intermediate conductive layer; a light emitting element disposed on the wiring layer in the light emitting area; a connection member electrically connecting the light emitting element and the wiring layer, the connection member contacting the intermediate conductive layer of the wiring layer and the light emitting element; a backlight flexible substrate electrically connected to the wiring layer in the non-light emitting area; and a pad connection member electrically connecting the wiring layer and the backlight flexible substrate in the non-light emitting area, the pad connection member contacting the upper conductive layer of the wiring layer. 1. A backlight unit , comprising:a base substrate in which a light emitting area and a non-light emitting area are defined; a lower conductive layer disposed on the base substrate;', 'an intermediate conductive layer disposed on the lower conductive layer; and', 'an upper conductive layer disposed on the intermediate conductive layer;, 'a wiring layer comprisinga light emitting element disposed on the wiring layer in the light emitting area;a connection member electrically connecting the light emitting element and the wiring layer, the connection member contacting the intermediate conductive layer of the wiring layer and the light emitting element;a backlight flexible substrate electrically connected to the wiring layer in the non-light emitting area; anda pad connection member electrically connecting the wiring layer and the backlight flexible substrate in the non-light emitting area, the pad connection member contacting the upper conductive layer of the wiring layer.2. The backlight unit of claim 1 , further ...

LIGHT-EMITTING MODULE, METHOD FOR MANUFACTURING THE SAME, AND LIQUID-CRYSTAL DISPLAY DEVICE

A light-emitting module includes a light-guiding plate having a light-extracting surface, a plurality of first light-emitting elements and a plurality of second light-emitting elements having a light-emission characteristic different from a light-emission characteristic of the first light-emitting elements, the first light-emitting elements and the second light-emitting elements being alternately mounted on a surface of the light-guiding plate opposite to the light-extracting surface, with electrodes facing a direction opposite to the light-extracting surface of the light-guiding plate, a light-reflective member covering each of the first light-emitting elements and each of the second light-emitting elements to expose electrodes of each of the first light-emitting elements and electrodes of each of the second light-emitting elements from a first surface, first wiring formed on the first surface to connect the electrodes of the first light-emitting elements, and second wiring formed on the first surface to connect the electrodes of the second light-emitting elements. 1. A light-emitting module comprising:a light-guiding plate having a light-extracting surface;a plurality of first light-emitting elements and a plurality of second light-emitting elements having a light-emission characteristic different from a light-emission characteristic of the first light-emitting elements, the first light-emitting elements and the second light-emitting elements being alternately mounted on a surface of the light-guiding plate opposite to the light-extracting surface, with electrodes facing a direction opposite to the light-extracting surface of the light-guiding plate;a light-reflective member covering each of the first light-emitting elements and each of the second light-emitting elements to expose electrodes of each of the first light-emitting elements and electrodes of each of the second light-emitting elements from a first surface;first wiring formed on the first surface to ...

Backlit Display Dimming System and Method

A system, a display, and a method. The display may include a backlight including a plurality of light emitting diodes (LEDs), the plurality of LEDs comprising a first group of LEDs and a second group of LEDs. The display may further include a processor communicatively coupled to the plurality of LEDs. The processor may be configured to: cause the first group of LEDs to pulse; and cause the second group of LEDs to pulse, wherein the first group of LEDs pulse out of phase from the second group of LEDs.

LIGHT EMITTNG DEVICE

A light emitting device according to the present invention includes a flexible wiring board that electrically connects light emitting modules to each other. The light emitting modules include anode-side and cathode-side terminals that are arranged on their back surface and are connected to light emitting elements, which are included in their light emitting module and connected to each other in series or in parallel, in order to supply currents to light emitting elements. The wiring board has a comb shape that includes a number of comb-tooth portions extending in row or column direction of the matrix arrangement of the light emitting modules. The comb-tooth portions include an electrically-conductive pattern. The anode-side and cathode-side terminals of light emitting modules are connected to the electrically-conductive pattern of the comb-tooth portions of the wiring board. 1. A light emitting device comprising: a plurality of light emitting elements, and', 'anode-side and cathode-side terminals that are arranged on a back surface of said plurality of light emitting modules and are connected to said plurality of light emitting elements, and are connected to each other in series or in parallel, in order to supply currents to said plurality of light emitting elements;, 'a plurality of light emitting modules, comprisinga frame that holds said plurality of light emitting modules in a matrix arrangement on a common plane to provide a light emitting screen; anda flexible wiring board that electrically connects said plurality of light emitting modules to each other, and has a comb shape that includes a plurality of comb-tooth portions extending in a row or column direction of the matrix arrangement of said plurality of light emitting modules and including an electrically-conductive pattern to which the anode-side and cathode-side terminals of said plurality of light emitting modules are connected.2. The light emitting device according to claim 1 ,wherein said light ...

BACKLIGHT UNIT, DISPLAY DEVICE INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE SAME

Disclosed are a backlight unit and a display device including the same. The backlight unit includes: an upper substrate; and a plurality of light source units disposed under the upper substrate, in which the light source unit includes an upper electrode, a lower electrode, and an inorganic emission layer disposed between the upper electrode and the lower electrode, and in the adjacent light source units among the plurality of light source units, at least one of the upper electrodes and the lower electrodes are electrically separated from each other. 1. A backlight unit , comprising:an upper substrate; andlight source units disposed under the upper substrate, each light source unit comprising an upper electrode, a lower electrode, and an inorganic emission layer disposed between the upper electrode and the lower electrode,wherein at least one of the upper electrodes and the lower electrodes in adjacent light source units are electrically separated from each other.2. The backlight unit of claim 1 , wherein:the adjacent light source units are adjacent to each other in a vertical direction; andthe upper electrodes are separated from each other, the lower electrodes integrally formed with each other, and the inorganic emission layers are integrally formed with each other.3. The backlight unit of claim 1 , wherein:in the adjacent light source units, the upper electrodes are connected to each other, the lower electrodes are separated from each other, and the organic emission layers are connected to each other.4. The backlight unit of claim 1 , wherein the light source units further comprise:an insulating layer disposed between the inorganic emission layer and the upper electrode or between the inorganic emission layer and the lower electrode, and an auxiliary pad contacting a lower portion of the lower electrode.5. The backlight unit of claim 4 , wherein:the auxiliary electrode has one of a linear shape, a quadrangular ring shape, and a horseshoe shape.6. The backlight ...

Illumination device and display device

An illumination device according to an aspect of the present disclosure is provided with a dish-shaped accommodating body, a plurality of light source substrates on each of which a light source is mounted on one face, and which are aligned on an inner face of a base wall of the accommodating body, a reflecting sheet which covers the one face, and the inner face of the accommodating body, and reflects light, and a power supply unit, the illumination device including a connector which is provided on the one face; a power feeding member which is formed of a flexible printed board, disposed between the base wall and the reflecting sheet, and feeds power from the power supply unit to the light source substrate; and a light source connecting portion which is provided in the power feeding member, and is electrically connected to the connector.

A curved-surface backlight source and display device

The present disclosure provides a curved-surface backlight source and a display device comprising the curved-surface backlight source. The curved-surface backlight source comprises: a frame, an optical film and a plurality of light source assemblies; the light source assemblies are disposed on the frame, the optical film is disposed on light emergent sides of the light source assemblies, and the light source assemblies and the optical film are in a curved shape.

LOCAL DISPLAY BACKLIGHTING SYSTEMS AND METHODS

Aspects of the subject technology relate to control circuitry for light-emitting diodes. The control circuitry includes a two-dimensional light-emitting diode (LED) array. The control circuitry may include a single LED array operable by a common driver or multiple LED arrays each operable by a dedicated LED matrix driver. Each matrix driver may receive a synchronization signal from a common controller and may include a programmable phase lock loop (PLL) to synchronize each matrix driver to the synchronization signal. The LED array may include multiple strings of LEDs mounted in series along the string. Each LED in each string may include a bypass switch operable to modify the current through that LED by pulse-width modulation. 1. An electronic device with a display , the display comprising:a backlight unit having an array of light-emitting diodes, the array including a plurality of subarrays of the light-emitting diodes;a controller to provide at least one synchronization signal for the array of the light-emitting diodes; anda plurality of driver circuits, each configured to control the light-emitting diodes of an associated one of the subarrays, and each including a phase lock loop for synchronizing the control of the light-emitting diodes of the associated one of the subarrays to the synchronization signal from the controller,wherein the controller is configured to provide a clock signal to all of the driver circuits, andwherein each driver circuit further comprises a multiplexer configured to receive the clock signal from the controller and to receive an output of the phase lock loop.2. The electronic device of claim 1 , wherein the synchronization signal is a line synchronization signal for a liquid crystal display unit of the display.3. (canceled)4. (canceled)5. The electronic device of claim 1 , wherein each driver further comprises a pulse-width-modulation generator configured to:receive the clock signal or the output of the phase lock loop from the ...

BACKLIGHT MODULE WITH MJT LED AND BACKLIGHT UNIT INCLUING THE SAME

A backlight unit including a backlight module and a backlight control module. The backlight module includes a printed circuit board including blocks, and light emitting diode (LED) chips disposed on the blocks, and the backlight control module is configured to perform a dimming control of the LED chips. Each of the LED chips includes light emitting cells spaced apart from each other, each of the light emitting cells including a lower semiconductor layer, an upper semiconductor layer, and an active layer therebewteen, in which the lower semiconductor layers are partially exposed, connection structures electrically connecting the light emitting cells to each other, and an insulation layer disposed between the light emitting cells and the connection structures, the insulation layer covering a portion of the exposed lower semiconductor layers and having a width wider than the connection structures. 1. A backlight unit , comprising a printed circuit board comprising blocks; and', 'light emitting diode (LED) chips disposed on the blocks; and, 'a backlight module, comprisinga backlight control module configured to perform a dimming control of the LED chips,wherein each of the LED chips comprises:light emitting cells spaced apart from each other, each of the light emitting cells comprising a lower semiconductor layer, an upper semiconductor layer disposed on the lower semiconductor layer, and an active layer disposed between the lower and upper semiconductor layers, the lower semiconductor layers of the light emitting cells being partially exposed;connection structures electrically connecting the light emitting cells to each other, each of the connection structures electrically connecting an upper semiconductor layer of one light emitting cell to a lower semiconductor layer of another light emitting cell; andan insulation layer disposed between the light emitting cells and the connection structures, the insulation layer covering a portion of the exposed lower semiconductor ...

BACKLIGHT MODULE WITH MJT LED AND BACKLIGHT UNIT INCLUING THE SAME

A backlight unit including a backlight module and a backlight control module. The backlight module includes a printed circuit board including blocks arranged in an M×N matrix, in which M and N are natural numbers of 2 or greater, and M blocks are arranged in a horizontal direction and N blocks are arranged in a vertical direction, and at least one light emitting device disposed on each of the blocks. The backlight control module is configured to perform a dimming control of the M×N blocks such that the at least one light emitting device in one block can be controlled independently from other light emitting devices disposed in the remaining blocks that are disposed in the horizontal direction and in the vertical direction with respect to the one block. 1. A backlight unit , comprising: a printed circuit board comprising blocks arranged in an M×N matrix, wherein M and N are natural numbers of 2 or greater, and M blocks are arranged in a horizontal direction and N blocks are arranged in a vertical direction; and', 'at least one light emitting device disposed on each of the blocks,, 'a backlight module, comprisinga backlight control module configured to perform a dimming control of the M×N blocks such that the at least one light emitting device in one block can be controlled independently from other light emitting devices disposed in the remaining blocks that are disposed in the horizontal direction and in the vertical direction with respect to the one block.2. The backlight unit of claim 1 , wherein:each of the blocks has an independent dimming level; andthe backlight control module is configured to perform dimming control of each of the blocks based on a corresponding dimming level.3. The backlight unit of claim 1 , wherein each of the blocks has a horizontal length of 60 mm or less and a vertical length of 55 mm or less.4. The backlight unit of claim 1 , wherein the backlight control module further comprises:an operation power generator configured to provide an ...

DISPLAY DEVICE

A display device includes a display panel, a backlight unit disposed at the back of the display panel, and a back cover disposed at the back of the backlight unit, wherein the backlight unit including a base layer, a plurality of substrates disposed on the base layer and separated from each other, and light sources disposed on the substrates. 1. A display device comprising:a supporter comprising at least one hole;a plurality of substrates disposed on a first side of the supporter;a plurality of light sources disposed on each of the plurality of substrates;a first connector disposed on each of the plurality of substrates;a plurality of transmission lines disposed on each of the plurality of substrates and configured to electrically connect the first connector and the plurality of light sources;a driving board disposed on a second side of the supporter and configured to supply a driving signal to the plurality of light sources, the second side of the supporter being an opposite side of the first side of the supporter;a second connector configured to electrically connect the first connector and the driving board through the at least one hole;an optical sheet disposed above the plurality of light sources; anda display panel disposed above the optical sheet.2. The display device of claim 1 , wherein a gap between a first substrate and a second substrate of the plurality of substrates is greater than a width of each of the plurality of substrates.3. The display device of claim 1 , wherein the first connector is disposed on each of the plurality of substrates in a same side of the plurality of light sources.4. The display device of claim 1 , further comprising an adhesive layer disposed between the supporter and the plurality of substrates claim 1 ,wherein the adhesive layer is configured to attach the plurality of substrates to the supporter.5. The display device of claim 1 , further comprising a reflection layer disposed on a surface of the supporter claim 1 ,wherein the ...

ELECTRONIC DEVICE

An electronic device including a driving circuit substrate and a plurality of light emitting units is provided. The driving circuit substrate includes a plurality of active elements, the light emitting units are disposed on the driving circuit substrate, each of the light emitting units is electrically connected to the corresponding active element, wherein one of the active elements provides a first current to the corresponding light emitting unit, such that lighting efficiency of the light emitting units are ranged from 70% to 100%. 1. An electronic device , comprising:a driving circuit substrate comprising a plurality of active elements; anda plurality of light emitting units disposed on the driving circuit substrate, wherein each of the light emitting units is electrically connected to a corresponding one of the active elements;wherein one of the active elements provides a first current to a corresponding one of the light emitting units, such that lighting efficiency of the corresponding one of the light emitting units is ranged from 70% to 100%.2. The electronic device of claim 1 , wherein the one of the active elements comprises a thin film transistor.3. The electronic device of claim 1 , wherein in a region with 1 inch diagonal claim 1 , a number of the light emitting units is greater than or equal to 10.4. The electronic device of claim 1 , wherein the first current comprises a plurality of pulse currents spaced apart from each other claim 1 , the one of the active elements provides a peak value of each of the pulse currents to the corresponding one of the light emitting units claim 1 , such that lighting efficiency of the corresponding one of the light emitting units is ranged from 70% to 100%.5. The electronic device of claim 1 , further comprising a first passivation layer covering the light emitting units.6. The electronic device of claim 5 , wherein the first passivation layer with 1 micrometer thickness has a transmittance greater than or equal to 63%.7 ...

ELECTRONIC DEVICE

An electronic device including a driving circuit substrate and a plurality of light emitting units is provided. The driving circuit substrate includes a plurality of active elements, the light emitting units are disposed on the driving circuit substrate, each of the light emitting units is electrically connected to the corresponding active element, wherein one of the active elements provides a first current to the corresponding light emitting unit, such that lighting efficiency of the light emitting units are ranged from 70% to 100%. 1. An electronic device , comprising:a driving circuit substrate comprising a plurality of active elements; anda plurality of light emitting units disposed on the driving circuit substrate, wherein each of the light emitting units is electrically connected to a corresponding one of the active elements;wherein one of the active elements provides a first current to a corresponding one of the light emitting units, such that lighting efficiency of the corresponding one of the light emitting units is ranged from 70% to 100%.2. The electronic device of claim 1 , wherein the one of the active elements comprises a thin film transistor.3. The electronic device of claim 1 , wherein in a region with 1 inch diagonal claim 1 , a number of the light emitting units is greater than or equal to 10.4. The electronic device of claim 1 , wherein the first current comprises a plurality of pulse currents spaced apart from each other claim 1 , the one of the active elements provides a peak value of each of the pulse currents to the corresponding one of the light emitting units claim 1 , such that lighting efficiency of the corresponding one of the light emitting units is ranged from 70% to 100%5. The electronic device of claim 1 , further comprising a first passivation layer covering the light emitting units.6. The electronic device of claim 5 , wherein the first passivation layer with 1 micrometer thickness has a transmittance greater than or equal to 63%.7. ...

Color changing device, display module, manufacturing method thereof and display control method

The present disclosure provides a color changing device, a display module, a manufacturing method thereof, and a display control method. The color changing device includes a plurality of color changing blocks and a color control circuit connected to the plurality of color changing blocks and configured to control each color changing block to exhibit a corresponding color. Each color changing block includes a transparent electrode, a transparent insulation layer arranged on the transparent electrode and provided with a groove, gold nanoparticles filled in the groove and electrically connected to the transparent electrode, and a plurality of electrode sheets coated with silver ions and covering the groove. The electrode sheets of different color changing blocks are insulated from each other.

BACKLIGHT MODULE AND IN VEHICLE DISPLAY DEVICE

The present disclosure provides a backlight module and an in-vehicle display device. The backlight module includes a back plate, a light board, a diffusion plate, and a bracket layer. The bracket layer is arranged between the light board and the diffusion plate. The bracket layer is used to support the diffusion plate and spaces the light board apart from the diffusion plate to form a light mixture space. By adjusting a height of the bracket layer, it is convenient to adjust a distance of the light mixture space formed between the diffusion plate and the light board. Accordingly, backlight display performance of the backlight module and the in-vehicle display device is improved. 1. A backlight module , comprising:a back plate;a light board disposed on the back plate;a diffusion plate disposed at one side of the light board away from the back plate; anda bracket layer disposed between the light board and the diffusion plate, wherein the bracket layer is configured to support the diffusion plate and space the light board apart from the diffusion plate to form a light mixture space;a flexible circuit board;wherein a groove is defined in one side of the bracket layer adjacent to the light board, and an accommodating space is formed between the groove and the light board;wherein the light board comprises a circuit board, and a plurality of micro light-emitting diodes arranged in an array on the circuit board, the bracket layer is disposed at an edge of the circuit board and a material of the bracket layer comprises rubber, and the circuit board is provided with a gold finger end or a connector in the accommodating space; andwherein the flexible circuit board extends into the accommodating space through an opening of the back plate and is connected to the gold finger end or the connector.2. (canceled)3. (canceled)4. The backlight module according to claim 1 , wherein circuits of the circuit board are all connected to the gold finger end.5. The backlight module according ...

SURFACE LIGHT SOURCE, MANUFACTURING METHOD THEREOF AND LIQUID CRYSTAL DISPLAY DEVICE

A surface light source and a manufacturing method thereof and a liquid crystal display device. The surface light source includes a substrate; a plurality of light emitting diode dies arranged in an array along a row direction and a column direction on the substrate; a driving circuit on the substrate and electrically connected to the plurality of light emitting diode dies and the driving circuit being configured to control at least two of the plurality of light emitting diode dies to emit light independently of each other; and an encapsulation layer on a side of the plurality of light emitting diode dies away from the substrate. The encapsulation layer is a continuous film layer covering the plurality of light emitting diode dies. 1. A surface light source , comprising: a plurality of light emitting diode dies arranged in an array along a row direction and a column direction on the substrate;', 'a driving circuit on the substrate and electrically connected to the plurality of light emitting diode dies,', 'an encapsulation layer on a side of the plurality of light emitting diode dies away from the substrate,', 'wherein the encapsulation layer is a continuous film layer covering the plurality of light emitting diode dies., 'a substrate;'}2. The surface light source according to claim 1 , wherein the encapsulation layer is in direct contact with the plurality of light emitting diode dies.3. The surface light source according to claim 1 , wherein the plurality of light emitting diode dies comprise a plurality of red light dies claim 1 , a plurality of green light dies and a plurality of blue light dies claim 1 , and the plurality of red light dies claim 1 , the plurality of green light dies and the plurality of blue light dies are uniformly distributed to emit white light.4. The surface light source according to claim 1 , wherein claim 1 , in a direction of at least one of the row direction and the column direction claim 1 , a distance between adjacent ones of the ...

Array substrate and method of manufacturing the same, display panel and display apparatus

An array substrate includes a substrate, at least one first light-shielding layer disposed above the substrate, semiconductor retention layers disposed on a side of the at least one first light-shielding layer facing away from the substrate, and data lines disposed on a side of the plurality of semiconductor retention layers facing away from the at least one first light-shielding layer. One first light-shielding layer of the at least one first light-shielding layer is disposed between one semiconductor retention layer of the semiconductor retention layers and the substrate, and an orthographic projection of the first light-shielding layer on the substrate covers an orthographic projection of the semiconductor retention layer on the substrate. The data lines are in one-to-one correspondence with the semiconductor retention layers, and an orthographic projection of each data line on the substrate overlaps with an orthographic projection of a corresponding semiconductor retention layer on the substrate.

Display apparatus and irradiation light controlling method

A display apparatus has: a display unit; a light emitting unit for outputting irradiation light; a light detecting unit; an external light intensity specifying unit; and a correcting unit. When the external light intensity is equal to or smaller than an external light determination threshold value and the intensity of light detected by the light detecting unit under irradiating the irradiation light is equal to or smaller than a detected light determination threshold value larger than the external light determination threshold value, an irradiation light intensity is corrected by using a first correcting method. When the external light intensity is larger than the external light determination threshold value or the intensity of light detected by the light detecting unit under irradiating the irradiation light is larger than the detected light determination threshold value, the irradiation light intensity is not corrected or corrected by using a second correcting method.

LIGHT SOURCE DEVICE AND CONTROL METHOD THEREOF, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE

A light source device () and a control method thereof, a backlight module and a liquid crystal display device are provided. The light source device () comprises: a plurality of light emitting chips (), the plurality of light emitting chips () including a first light emitting chip capable of emitting visible light of a first color, the control method of the light source device () comprising: causing the plurality of light emitting chips () to emit light simultaneously in order to obtain an operating visible light spectrum; obtaining a first energy ratio of the visible light of the first color in the operating visible light spectrum; comparing the first energy ratio with a target energy ratio; and adjusting the first energy ratio to the target energy ratio, in response to that the first energy ratio is different from the target energy ratio. Thereby, a problem of a higher ratio of blue light in an LED light source is solved, so as to achieve an eye-protection effect. 1. A control method of a light source device , wherein , the light source device comprises: a plurality of light emitting chips , the plurality of light emitting chips including a first light emitting chip capable of emitting visible light of a first color , the method comprising:causing the plurality of light emitting chips to emit light simultaneously in order to obtain an operating visible light spectrum;obtaining a first energy ratio of the visible light of the first color in the operating visible light spectrum;comparing the first energy ratio with a target energy ratio;adjusting the first energy ratio to the target energy ratio, in response to that the first energy ratio is different from the target energy ratio.2. The control method according to claim 1 , wherein claim 1 , the target energy ratio is an energy ratio of the visible light of the first color in a solar visible light spectrum.3. The control method according to claim 1 , wherein claim 1 , in response to that the first energy ratio is ...

LIGHT EMITTING DEVICE AND DISPLAY DEVICE HAVING THE SAME

A light emitting device includes a light source panel including light emitting units, and a printed circuit board including a light source driving circuit electrically connected to the light source panel. The light source driving circuit receives a feedback voltage from each of the light emitting units, and compares the feedback voltage with a reference voltage to output a current control signal. Each of the light emitting units includes a light emitting diode connected to a first voltage line, a switching element connected with the light emitting diode and operating in response to the current control signal, and a resistor electrically connected between a feedback node and a second voltage line. The resistor includes a conductive pattern having a predetermined width disposed on the light source panel. 1. A light emitting device comprising:a light source panel including light emitting units; and receives a feedback voltage from each of the light emitting units, and', 'compares the feedback voltage from each of the light emitting units with a reference voltage to output a current control signal,, 'a printed circuit board including a light source driving circuit electrically connected to the light source panel, wherein the light source driving circuit a light emitting diode including a first terminal and a second terminal both electrically connected to a first voltage line to which a first power supply voltage is provided;', 'a switching element electrically connected between the second terminal of the light emitting diode and a feedback node which outputs the feedback voltage, the switching element operating in response to the current control signal; and', 'a resistor electrically connected between the feedback node and a second voltage line to which a second power supply voltage is provided, wherein the resistor includes a conductive pattern having a predetermined width disposed on the light source panel., 'wherein each of the light emitting units comprises2. The ...

Liquid Crystal Display Assembly and Method for Manufacturing Same

A liquid crystal display assembly and a method for manufacturing the same are provided in the present disclosure, that provides a first liquid crystal module, a second liquid crystal module, and an organic light emitting diode module. A thin film transistor layer of the organic light emitting diode module is directly disposed on a first substrate of the first liquid crystal module. Thus, a liquid crystal display assembly with double-sided displaying capabilities is implemented by light emitted from double-sided of the organic light emitting diode module, as well as light selected through the first liquid crystal module and the second liquid crystal module. 1. A liquid crystal display assembly , comprising:a first liquid crystal module comprising a first substrate, a second substrate, and a first liquid crystal layer disposed between the first substrate and the second substrate, wherein the first liquid crystal module further comprises a first electrode and a second electrode, the first electrode is adjacent to the first substrate, the second electrode is adjacent to the second substrate, and the first liquid crystal layer is disposed between the first electrode and the second electrode;a second liquid crystal module comprising a third substrate, a fourth substrate, and a second liquid crystal layer disposed between the third substrate and the fourth substrate;an organic light emitting diode module disposed between the first liquid crystal module and the second liquid crystal module, wherein the organic light emitting diode module comprises a thin film transistor layer and a pixel layer electrically connected to the thin film transistor layer on the first substrate, and the pixel layer is disposed on the third substrate; andfour polarizers comprising a first polarizer, a second polarizer, a third polarizer, and a fourth polarizer, wherein the first polarizer is disposed on a side of the second substrate away from the first substrate, the second polarizer is disposed ...

DISPLAY PANEL AND CONTROL METHOD THEREOF, AND DISPLAY DEVICE

The present invention provides a display panel and a control method thereof, and a display device. The display panel includes a display unit and a backlight module. The display unit includes a main display region and a function additional region. The backlight module includes a first light source block providing a light source for the main display region and a second light source block providing a light source for the function additional region. The first light source block and the second light source block are independently driven and controlled. 1. (canceled)2. (canceled)3. (canceled)4. A display panel , comprising:a display unit comprising a main display region and a function additional region, wherein at least a part of the function additional region is surrounded by the main display region; anda backlight module comprising a first light source block providing a light source for the main display region and a second light source block providing a light source for the function additional region, wherein the first light source block and the second light source block are independently driven and controlled.5. The display panel as claimed in claim 4 , further comprising:a backlight driving module electrically connected to the first light source block and the second light source block;wherein the backlight driving module is used to control the first light source block to be turned on when a first control signal is received; andwherein the backlight driving module is further used to control the second light source block to be turned on when a second control signal is received.6. The display panel as claimed in claim 5 , wherein the backlight driving module comprises a first driving module and a second driving module that are independent of each other;the first driving module is electrically connected to the first light source block and is used to independently drive the first light source block according to the first control signal; andthe second driving module is ...

DISPLAY APPARATUS

A display apparatus including a light emitting part including a plurality of light emitting diodes spaced apart from each other, and a light conversion part configured to convert light emitted from the light emitting part, in which the light emitting diodes include at least one first light emitting diode and at least one second light emitting diode, the light conversion part emits red light through wavelength conversion of light emitted from the at least one first light emitting diode, and the at least one second light emitting diode emits green light. 1. A display apparatus comprising:a light emitting part comprising a plurality of light emitting diodes spaced apart from each other; anda light conversion part configured to convert light emitted from the light emitting part,wherein:the light emitting diodes comprise at least one first light emitting diode and at least one second light emitting diode;the light conversion part emits red light through wavelength conversion of light emitted from the at least one first light emitting diode; andthe at least one second light emitting diode emits green light.2. The display apparatus according to claim 1 , wherein:the at least one first light emitting diode is a blue light emitting diode or a ultra-violet (UV) light emitting diode; andthe light conversion part comprises a red phosphor layer emitting red light through wavelength conversion of light emitted from the at least one first light emitting diode.3. The display apparatus according to claim 2 , wherein:the at least one first light emitting diode is disposed in a first subpixel;the at least one second light emitting diode is disposed in a second subpixel; andthe first subpixel has a size greater than the second subpixel.4. The display apparatus according to claim 3 , wherein:the light emitting diodes further comprise at least one third light emitting diode disposed in a third subpixel;the first subpixel has a size greater than the third subpixel; andthe first subpixel ...

BACKLIGHT MODULE AND MANUFACTURING METHOD THEREOF

The present invention relates to a backlight module and manufacturing method thereof. The backlight module comprises: a soft substrate having an outer surface and a flexible substrate; a reflective layer disposed on the outer surface of the soft substrate; a white quantum dot light emitting layer disposed on the soft substrate; an electrode layer disposed on the white quantum dot light emitting layer and covering the soft substrate. 1. A backlight module , comprising:a soft substrate having an outer surface and a flexible substrate;a reflective layer disposed on outer surface of the soft substrate outer surface;a white quantum dot light emitting layer disposed on the soft substrate; andan electrode layer disposed on the white quantum dot light emitting layer and covering the soft substrate.2. The backlight module according to claim 1 , further comprising a first diffusion layer disposed on the electrode layer; and a brightening layer disposed on the first diffusion layer.3. The backlight module according to claim 2 , further comprising a second diffusion layer disposed on the brightening layer.4. The backlight module according to claim 3 , further comprising an adhesive material layer disposed between the brightening layer and the second diffusion layer.5. The backlight module according to claim 4 , wherein the adhesive material layer is used for adhering the brightening layer on the second diffusion layer.6. The backlight module according to claim 1 , wherein the soft substrate is patterned by a photo lithography process to form an optical structure.7. The backlight module according to claim 1 , wherein the soft substrate is patterned by an etching process to form an optical structure.8. The backlight module according to claim 1 , wherein the material of the reflective layer includes titanium dioxide claim 1 , aluminum or a composite material thereof.9. The backlight module according to claim 1 , wherein the white quantum dot light emitting layer emits light by ...

LIQUID CRYSTAL DISPLAY

The present disclosure relates to a liquid crystal display including a liquid crystal panel. The liquid crystal panel includes a plurality of photodetectors, a plurality of first sub-pixels and a plurality of second sub-pixels respectively corresponding to the photodetectors. Each of the photodetectors partially overlaps with an opening area of the corresponding first sub-pixel. The liquid crystal display further includes a backlight module facing toward the liquid crystal panel having a first light emission section and a second light emission section. The first light emission section faces toward the first sub-pixels, and the second light emission section faces toward the second sub-pixels. A light emission brightness of the first light emission section is greater than the light emission brightness of the second light emission section. 1. A liquid crystal display , comprising:a liquid crystal panel comprising a plurality of photodetectors, a plurality of first sub-pixels and a plurality of second sub-pixels respectively corresponding to the photodetectors, each of the photodetectors partially overlapping with an opening area of the corresponding first sub-pixel; anda backlight module facing toward the liquid crystal panel having a first light emission section and a second light emission section, the first light emission section facing toward the first sub-pixels, the second light emission section facing toward the second sub-pixels, and a light emission brightness of the first light emission section being greater than the light emission brightness of the second light emission section.2. The liquid crystal display as claimed in claim 1 , wherein a ratio of the light emission brightness of the first light emission section to the light emission brightness of the second light emission section equals to the ratio of the light emission brightness of the second light emission section to the light emission brightness of the first light emission section.3. The liquid ...

BACKLIGHT, CONTROL METHOD FOR BACKLIGHT, AND DISPLAY DEVICE

A backlight, a control method of the backlight, and a display device are provided. The backlight includes a plurality of light-emitting modules arranged in an array. Each of the light-emitting modules includes a light-emitting unit and a control circuit. The control circuit includes n branches, a controller, and a current module. Each branch of the n branches is connected in series with the light-emitting unit and the current module. Each branch is provided with a switch, and the controller is separately connected to the switch on each branch. 1. A backlight , comprising:a plurality of light-emitting modules arranged in an array, each of the light-emitting modules comprising a light-emitting unit and a control circuit, the control circuit comprising n branches, a controller and a current module, each of the n branches, the light-emitting unit and the current module being connected in series, each of the n branches provided with a switch, the controller being connected with the switch on each of the branches and configured to control the switch on each of the branches to be turned on or turned off, and the current module being configured to be connected with a power supply;wherein each of the n branches corresponds to a different amplitude of current, and when the switch of any one of the n branches is turned on under the control of the controller, the current module inputs to a corresponding branch with a current of a given amplitude, where n is an integer equal to or larger than 2.2. The backlight according to claim 1 , wherein the light-emitting unit comprises at least one light-emitting diode.3. The backlight according to claim 1 , wherein the current module comprises a constant current source circuit.4. The backlight according to claim 3 , wherein the controller is connected with the constant current source circuit through a control line claim 3 , and is configured to control the constant current source circuit and to regulate the amplitude of current ...

SYSTEMS AND METHODS FOR IMPLEMENTING A DUAL GREEN-BLUE LIGHT-EMITTING DIODE WITH DIFFERENT WAVELENGTHS

A dual green-blue light-emitting diode unit may include a first green-blue light-emitting diode and a second green-blue light-emitting diode. The first green-blue light-emitting diode may include a first green diode configured to emit green light at a first green wavelength, a first blue diode configured to emit blue light at a first blue wavelength, and a first conformal coating of red phosphor over the first green diode and the first blue diode. The second green-blue light-emitting diode may include a second green diode configured to emit green light at a second green wavelength different from the first green wavelength, a second blue diode configured to emit blue light at a second blue wavelength different from the first blue wavelength, and a second conformal coating of red phosphor over the second green diode and the second blue diode. 1. A dual green-blue light-emitting diode unit , comprising: a first green diode configured to emit green light at a first green wavelength;', 'a first blue diode configured to emit blue light at a first blue wavelength; and', 'a first conformal coating of red phosphor over the first green diode and the first blue diode; and, 'a first green-blue light-emitting diode comprising a second green diode configured to emit green light at a second green wavelength different from the first green wavelength;', 'a second blue diode configured to emit blue light at a second blue wavelength different from the first blue wavelength; and', 'a second conformal coating of red phosphor over the second green diode and the second blue diode., 'a second green-blue light-emitting diode comprising2. The dual green-blue light-emitting diode unit of claim 1 , wherein:the first green wavelength is longer than the second green wavelength; andthe first blue wavelength is shorter than the second blue wavelength.3. The dual green-blue light-emitting diode unit of claim 1 , wherein the dual green-blue light-emitting diode unit is configured such that the first ...

DISPLAY DEVICE

Disclosed is a display device. The display device achieves a slim bezel by forming a through hole at a bottom portion of a cover, and changing a connection structure of a sub-FPCB to be connected to a main FPCB such that the connection structure extends through the cover without extending along the outside of the cover. The display device achieves a reduction in the thickness of the display device and an enhancement in picture quality through change of an installation direction of an LED module constituted by a main FPCB and LED elements disposed at one surface of the main FPCB. The display device can reduce a space where a sensor unit is disposed in conventional cases by mounting the sensor unit on the LED module, and can realize an additional function such as skin care or sterilization in accordance with the kind of the sensor unit. 1. A display device , comprising:a first flexible printed circuit board (FPCB);a plurality of light emitting diode (LED) elements disposed in a predetermined pattern on a first surface of the first FPCB; while being provided, at the other surface thereof, with a connector connected to at least one of the LED elements;a second FPCB connected to the first FPCB; anda cover within which the first FPCB is positioned,a through hole positioned in the cover through which the second FPCB extends to a location that is an external of the cover.2. The display device according to claim 1 , wherein the LED elements are disposed such that a light emission direction thereof faces an inner upper surface of the cover.3. The display device according to claim 2 , wherein claim 2 , when the one surface of the first FPCB faces the inner upper surface of the cover bottom claim 2 , the connector is disposed at an edge portion of the one surface of the first FPCB.4. The display device according to claim 2 , wherein the cover comprises first diffusion patterns protruding from the inner upper surface of the cover in regions where the LED elements are disposed ...

Graphene Liquid Crystal Display, Graphene Luminous Component, And Method for Fabricating the Same

The present disclosure proposes a method for fabricating a graphene luminous component. The method includes: supplying a bottom substrate on which metallic gates are arranged at intervals; forming a first insulating protective layer covering the bottom substrate and the metallic gate; forming a graphene luminous layer with graphene luminous blocks on the first insulating protective layer; forming a graphene source and a graphene drain arranged at intervals on each of graphene luminous blocks; forming a second insulating protective layer covering the first insulating protective layer, the graphene luminous layer, the graphene source, and the graphene drain; and laminating a top substrate onto the second insulating protective layer. The present disclosure proposes a gate fabricated from metal, a source, a drain, and a luminous layer fabricated from graphene for the graphene luminous component. Therefore, the luminous efficiency of the luminous component is enhanced with lower power consumption. 1. A method of fabricating a graphene luminous component , comprising:supplying a bottom substrate on which a plurality of metallic gates are arranged at intervals;forming a first insulating protective layer covering the bottom substrate and the metallic gate;forming a graphene luminous layer which comprises a plurality of graphene luminous blocks arranged at intervals on the first insulating protective layer;forming a graphene source and a graphene drain arranged at intervals on each of the plurality of graphene luminous blocks;forming a second insulating protective layer covering the first insulating protective layer, the graphene luminous layer, the graphene source, and the graphene drain; andlaminating a top substrate onto the second insulating protective layer.2. The method of claim 1 , wherein the step of forming a plurality of metallic gates arranged at intervals on the bottom substrate comprises steps of:forming a metallic gate coating film on the bottom substrate by ...

A MOUNTING STRUCTURE AND METHOD OF DIRECT TYPE BACKLIGHT MODULE LIGHT BAR AND THAT OF LIQUID CRYSTAL DISPLAY

A mounting structure of direct type backlight module light bar comprising a PCB and a plurality of light bars, wherein, two PCB circuit strips are assembling at the two edges of the PCB, the PCB circuit strips are provided with a plurality of the first connectors assembled on, the light bars are provided with a plurality of the second connectors assembled on. The PCB circuit strips can be uniformly storied and sorted out of the wire of the light bar to make the wire to be in order. The light bars can be inserted into the PCB circuit strips with the connectors for achieving the fast assembling and disassembling of the light bars. The circuit can be simplified, so the light emitting modules can be fast disassembled or assembled, and the mounding efficiency of the backlight module light bar and the rate of the good product will be improved. 1. A mounting structure of direct type backlight module light bar comprising a PCB and a plurality of light bars , wherein , two PCB circuit strips are provided for assembling at the two edges of the PCB , the PCB circuit strips are provided with a plurality of the first connectors assembled on , the light bars are provided with a plurality of the second connectors assembled on , the inputting and the outputting of the light bars assembled on the PCB circuit strips with the first connectors are connecting with the second connectors accordingly.2. The mounting structure of direct type backlight module light bar according to claim 1 , wherein the light bars are arranged in parallel with a plurality of light emitting modules assembled on.3. The mounting structure of direct type backlight module light bar according to claim 2 , wherein the PCB circuit strips are assembled at the edges of the PCB.4. The mounting structure of direct type backlight module light bar according to claim 3 , wherein the distance between every two light bars is equal.5. The mounting structure of direct type backlight module light bar according to claim 4 , ...

Display device

A display device is disclosed. In one aspect, the display device includes a display panel including a first display panel and a second display panel. The display device also includes a first light source unit disposed to correspond to the first display panel, a second light source unit disposed to correspond to the second display panel, a direct current (DC)-DC converter configured to receive a driving power and generate a first light source driving voltage configured to drive the first light source unit, and a regulator configured to receive the driving power and generate a second light source driving voltage configured to drive the second light source unit.

DISPLAY DEVICE

A display device may include a backlight unit, a display panel, and a backlight driver, and a panel driver. The backlight unit may include light source blocks including a first light source block. The display panel may include dimming regions including a first dimming region and respectively overlapping the light source blocks. The first dimming region may overlap the first light source block. The backlight driver may control a turn-on period and a turn-off period of each of the light source blocks. The panel driver may sequentially provide scan signals to the dimming regions for controlling light transmission of the dimming regions. A turn-off period of the first light source block may start before a scan period of the first dimming region and may end after the scan period of the first dimming region. The first dimming region may receive corresponding scan signals in the scan period. 1. A display device , comprising:a backlight unit including light source blocks that include a first light source block and are configured to emit light;a display panel including dimming regions that include a first dimming region and respectively overlap the light source blocks, wherein the first dimming region overlaps the first light source block; anda backlight driver electrically connected to the backlight unit and configured to control a turn-on period and a turn-off period of each of the light source blocks; anda panel driver electrically connected to the display panel and configured to sequentially provide scan signals to the dimming regions for controlling light transmission of the dimming regions,wherein a driving period of first light source block comprises a turn-on period and a turn-off period, the turn-off period of the first light source block starts before a scan period of the first dimming region and ends after the scan period of the first dimming region, andwherein the first dimming region receives corresponding scan signals in the scan period and the scan period is ...

Base film for light diffusion film, light diffusion film, display apparatus, and production method thereof

A base film for a light diffusion film includes a transparent polymer layer, which comprises a plurality of nanopores, and liquid crystal filled in the plurality of nanopores. A light diffusion film, a display device, and production methods thereof are also disclosed.

LIQUID CRYSTAL DISPLAY DEVICE WITH BUILT-IN TOUCH SENSOR, AND DRIVE METHOD THEREFOR

The present invention aims to allow a liquid crystal display device with a built-in touch sensor using a common electrode as an electrode for touch detection to reduce occurrence of flicker when switching from the sleep period to the display period is performed. At least during a part of a sleep period, a display drive portion performs image data write processing in which a voltage is applied to a pixel electrode in a state in which a backlight is maintained in a light-out state by a backlight control portion. For example, the display drive portion applies a voltage corresponding to one of a specific image and a black image to a pixel electrode every predetermined period throughout the sleep period. Further, for example, the display drive portion applies a voltage corresponding to a display image during a period immediately before switching to the display period is performed in the sleep period. 2. The liquid crystal display device according to claim 1 , whereinthe display drive portion performs the image data write processing every predetermined period throughout the sleep period.3. The liquid crystal display device according to claim 2 , whereina voltage applied to the pixel electrode in the image data write processing during the sleep period is a voltage corresponding to a specific image.4. The liquid crystal display device according to claim 3 , whereinthe specific image is an image for displaying an entire screen of the liquid crystal panel in black.5. The liquid crystal display device according to claim 1 , whereinthe display drive portion performs the image data write processing during a period immediately before switching to the display period is performed in the sleep period.6. The liquid crystal display device according to claim 5 , whereina voltage applied to the pixel electrode in the image data write processing during the sleep period is a voltage corresponding to an image to be displayed in the display period.7. The liquid crystal display device ...

PLANAR LIGHTING DEVICE AND DISPLAY DEVICE

Influence of expansion or contraction of a light guiding member, which is caused by a temperature change, on illumination light is reduced. In a casing () of a planar lighting module (), an LED () is fixed, a plurality of diffusing plates () each having a reflection pattern () and a pin-receiving portion () are stored, and a pin frame () that corresponds to the pin-receiving portion () is disposed. Each of the diffusing plates () is positioned with respect to the casing () when the pin-receiving portion () is fitted with the pin frame (). 1. A planar lighting device comprising:a light source unit that radiates light;a plurality of optical members each of which (i) includes a light-transmitting pattern allowing the light to transmit and (ii) expands or contracts due to a temperature change; anda casing (i) to which the light source unit is fixed, (ii) which includes an opening allowing the light to transmit and which is an optical opening, and (iii) which stores the optical members between the light source unit and the opening, whereinat least one of the optical members includes an optical member positioning unit,the casing includes a casing positioning unit that corresponds to the optical member positioning unit, andthe at least one of the optical members is positioned with respect to the casing by the optical member positioning unit being fitted with the corresponding casing positioning unit.2. The planar lighting device according to claim 1 , whereinthe optical members include a first optical member and a second optical member that are adjacent to each other in a direction parallel to an opening plane on which the opening spreads, anda gap is provided between the first optical member and the second optical member.3. The planar lighting device according to claim 2 , wherein the light is allowed to transmit through the gap.4. The planar lighting device according to claim 2 , whereinthe first optical member includes a first overlapped portion,the second optical ...

BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY USING THE SAME

A liquid crystal display (LCD) device having an LCD panel with a plurality of pixels is disclosed. The LCD device includes gate and data driving circuits to provide a gate pulse and a data voltage to the pixels, respectively, and a timing controller to control the gate and data driving circuits. The LCD device also includes a backlight unit to provide light to the liquid crystal panel. The backlight unit includes a light source having at least one LED channel, a driving voltage generator to supply a driving voltage to the LED channel, and an LED driver to supply a conditional pulse width and amplitude modulation (CPWAM) signal to the LED channel. The CPWAM signal has a pulse with an amplitude and a width that are both variable from one period of a predetermined length to another period of the predetermined length. 1. A liquid crystal display device , comprising:a liquid crystal display panel comprising a plurality of pixels;a gate driving circuit to provide a gate pulse to the pixels;a data driving circuit to provide a data voltage to the pixels;a timing controller to provide control signals to the data driving circuit and the gate driving circuit; and a light source having at least one LED channel;', 'a driving voltage generator to supply a driving voltage to the at least one LED channel; and', 'an LED driver to receive control information from an external source and to supply a conditional pulse width and amplitude modulation (CPWAM) signal to the LED channel, wherein the CPWAM signal has a pulse with an amplitude and a width that are both variable from one period of a predetermined length to another period of the predetermined length., 'a backlight unit to provide light to the liquid crystal panel, the backlight unit including2. The liquid crystal display device of claim 1 , wherein the control information includes a global dimming value claim 1 , a local dimming value claim 1 , a fixed current value claim 1 , and a vertical sync signal defining the predetermined ...

DISPLAY PANEL AND DISPLAY DEVICE

The present application provides a display panel and a display device. The display panel includes an array substrate and a color filter substrate arranged oppositely, and a light source on a side of the color filter substrate facing the array substrate. The color filter substrate includes a first region and a second region. An orthogonal projection of the array substrate on the color filter substrate is in the first region, and the light source is in the second region. 1. A display panel , comprising:an array substrate and a color filter substrate arranged oppositely, anda light source on a side of the color filter substrate facing the array substrate,wherein the color filter substrate comprises a first region and a second region,wherein an orthogonal projection of the array substrate on the color filter substrate is in the first region, andwherein the light source is in the second region.2. The display panel according to claim 1 ,wherein the light source comprises a plurality of sub light sources, the plurality of sub light sources are at intervals along a linear direction in the second region.3. The display panel according to claim 2 , wherein the linear direction comprises a length direction of the color filter substrate.4. The display panel according to claim 2 , wherein the plurality of sub light sources are at equal intervals.5. The display panel according to claim 1 , wherein the light source comprises:a fixation pedestal for a fixed connection with the color filter substrate, anda light-emitting face facing the array substrate,wherein the fixation pedestal comprises a first light-shielding part and a second light-shielding part spaced apart from each other, and an intermediate part sandwiched between the first light-shielding part and the second light-shielding part, andwherein the light-emitting face is on the intermediate part, and the first light-shielding part is closer to the color filter substrate than the second light-shielding part.6. A display ...

BACKLIGHT SOURCE MANUFACTURING METHOD, BACKLIGHT SOURCE, AND DISPLAY APPARATUS

The present disclosure provides a backlight source. The backlight source includes: a substrate, and a first conductive structure, a plurality of light emitting units, and a second conductive structure which are stacked on the substrate. The first conductive structure and the second conductive structure are respectively on two sides of the plurality of light emitting units in a direction perpendicular to the substrate, and the first conductive structure and the second conductive structure are configured to load a voltage for the plurality of light emitting units. 1. A backlight source comprising:a substrate, and a first conductive structure, a plurality of light emitting units, and a second conductive structure which are stacked on the substrate, wherein the first conductive structure and the second conductive structure are respectively on two sides of the plurality of light emitting units in a direction perpendicular to the substrate, and the first conductive structure and the second conductive structure are configured to load a voltage for the plurality of light emitting units.2. The backlight source according to claim 1 , wherein one of the first conductive structure and the second conductive structure is a conductive layer.3. The backlight source according to claim 1 , wherein at least two light emitting regions are provided on the substrate claim 1 , and at least two light emitting units are disposed in each light emitting region; andthe first conductive structure comprises at least two light emitting unit cables which are in a one-to-one correspondence with the at least two light emitting regions, and each light emitting unit cable is configured to connect light emitting units in a corresponding light emitting region.4. The backlight source according to claim 3 , wherein at least a part of at least one of the first conductive structure and the second conductive structure is out of the light emitting regions.5. The backlight source according to claim 3 , wherein ...

LED DRIVING DEVICE, ILLUMINATOR, AND LIQUID CRYSTAL DISPLAY DEVICE

The present invention provides a light emitting diode (LED) driving device, which comprises: a direct current/direct current (DC/DC) controller, for controlling an output segment that is used to generate an output voltage from an input voltage and supply the output voltage to an LED; an output current driver, for generating an output current of the LED; and an output discharging circuit, for performing, based on a predetermined control signal, discharging of the output voltage when a generation action of the output voltage and the output current stops. 18.-. (canceled)9. A light emitting diode (LED) driving device comprising:a direct current/direct current (DC/DC) controller for controlling an output segment based on a predetermined control signal, the output segment being configured to generate an output voltage from an input voltage and supply the output voltage to an LED;an output current driver for generating an output current of the LED based on the predetermined control signal; andan output discharging circuit for discharging of the output voltage based on the predetermined control signal when a generation action of the output voltage and the output current stops.10. The LED driving device according to claim 9 , wherein the output discharging circuit comprises a first N-channel field effect transistor (FET) which connects/disconnects an applied end of the output voltage and a ground end according to the predetermined control signal applied to a gate thereof.11. The LED driving device according to claim 9 , wherein the output discharging circuit further comprises a Zener diode having a cathode connected to an applied end of the predetermined control signal and an anode connected to a ground end.12. The LED driving device according to claim 11 , wherein an upper layer of at least one of the first and second N-channel FETs is stacked with a wiring layer.13. The LED driving device according to claim 9 , wherein the predetermined control signal is an enable signal ...

Methods and Apparatus for Controlling Display Backlight

A display may have display layers that form an array of pixels. The array of pixels may be illuminated using a backlight unit. The backlight unit may include multiple strings of light-emitting diodes (LEDs). The multiple LED strings may be controlled by one or more backlight driver integrated circuits (ICs). In a multi-driver IC architecture, an enable signal may be used to set a desired phase delay between the multiple ICs. One or more of the LED strings may exhibit a short fault. Depending on the number of faulty LED strings, the backlight unit can selectively throttle the maximum brightness of the display. The LED strings may receive an output voltage from a DC/DC converter and may be driven using a current driver. The DC/DC converter may be controlled by a headroom feedforward control circuit to ensure sufficient headroom for the current driver while suppressing acoustic noise. 1. A display , comprising:display layers that include a liquid crystal layer, a color filter layer, and a thin-film transistor layer; and a plurality of light-emitting diode (LED) strings; and', 'a current driver circuit coupled to the plurality of LED strings, wherein the current driver circuit is configured to throttle the maximum brightness of the backlight unit when at least one LED string in the plurality of LED strings is faulty., 'a backlight unit configured to illuminate the display layers, wherein the backlight unit has a maximum brightness, and wherein the backlight unit comprises2. The display of claim 1 , wherein the backlight unit further comprises a fault detection circuit configured to detect a number of faulty LED strings in the plurality of LED strings.3. The display of claim 2 , wherein the backlight unit further comprises a comparator configured to compare a headroom voltage generated from one of the plurality of LED strings to a predetermined threshold.4. The display of claim 2 , wherein the amount by which the current driver circuit throttles the maximum brightness of ...

TRANSPARENT DISPLAY DEVICE

A transparent display device includes a display panel and an active transparent OLED backlight device. The display panel includes a first driving substrate, a color filter substrate and a polymer dispersed liquid crystal layer interposed therebetween. The first driving substrate has a first driving region and sub-pixel regions. The active transparent OLED backlight device includes a second driving substrate, an opposite substrate and OLEDs interposed therebetween. The second driving substrate has a second driving region and sub-pixel regions. The second driving region is aligned with the first driving region, and each of the sub-pixel regions of the second driving substrate is aligned with one of the sub-pixel regions of the first driving substrate. Each of the sub-pixel regions of the second driving substrate has a light-transmitting region and a light-emitting region. The OLEDs are respectively disposed on the light-emitting regions of the second driving substrate. 1. A transparent display device , comprising: a first driving substrate having a first driving region and a plurality of sub-pixel regions;', 'a color filter substrate parallel to the first driving substrate; and', 'a polymer dispersed liquid crystal layer interposed between the first driving substrate and the color filter substrate; and, 'a display panel, comprising a second driving substrate having a second driving region and a plurality of sub-pixel regions, the second driving region aligned with the first driving region, each of the sub-pixel regions of the second driving substrate aligned with one of the sub-pixel regions of the first driving substrate, wherein each of the sub-pixel regions of the second driving substrate has a light-transmitting region and a light-emitting region;', 'an opposite substrate parallel to the second driving substrate; and', 'a plurality of OLEDs respectively disposed on the light-emitting regions of the second driving substrate and interposed between the light-emitting ...

Electronic device

An electronic device is provided. The electronic device includes a substrate; a plurality of first light-emitting elements disposed in a first area of the substrate; a plurality of second light-emitting elements disposed in a second area of the substrate; a first power line disposed on the substrate and electrically connected to the plurality of first light-emitting elements; a second power line disposed on the substrate and electrically connected to the plurality of second light-emitting elements; a first circuit connecting element electrically connected to the first power line; and a first power supply element electrically connected to the first circuit connecting element. A projection of the first area on the substrate does not overlap a projection of the second area on the substrate, and the first area is closer to the first circuit connecting element than the second area.

DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME

A display device includes a base substrate, a display panel disposed on a first surface of the base substrate, a low-refractive index layer disposed between the first surface and the display panel, a plurality of light source units disposed under a second surface opposite to the first surface of the base substrate, and a plurality of housings that define accommodation recesses and which respectively accommodate the light source units in the accommodation recesses. The light source units are exposed to the base substrate through the accommodation grooves, and the housings are connected to the second surface. 1. A display device comprising:a base substrate;a display panel disposed on a first surface of the base substrate;a low-refractive index layer disposed between the first surface and the display panel;a plurality of light source units disposed under a second surface opposite to the first surface of the base substrate; anda plurality of housings that define accommodation recesses that respectively accommodate the light source units therein,wherein the light source units are exposed to the base substrate through the accommodation recesses, andthe housings are connected to the second surface.2. The display device of claim 1 , further comprising:a reflection layer disposed under the second surface and in which are formed a plurality of holes that overlap the accommodation recesses and a plurality of openings that extend in a first direction; anda plurality of lines disposed in the openings under the second surface and connected to the housings,wherein the housings are disposed under the reflection layer, andthe housings arranged in an h-th row are disposed between an h-th opening and an (h+1)-th opening, where h is a natural number.3. The display device of claim 2 , further comprising an insulation layer disposed under the second surface that covers the reflection layer and the lines claim 2 ,wherein the housings are disposed under the insulation layer and connected ...

BACK LIGHT DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME

A backlight device includes an input line connected to an anode of a light source unit; an output line connected to a cathode of the light source unit; a resistance line connected between the output line and a ground and disposed in a pattern having a predetermined width and length to have a predetermined resistance; a sensing line connected to the output line; and a controller for measuring a balance voltage of the output line through the sensing line and controls an amount of current supplied to the input line based on the balance voltage, in which when a reference current is supplied to the input line, the balance voltage of the output line becomes a predetermined reference voltage due to the predetermined resistance. 1. A backlight device , comprising:an input line connected to an anode of a light source unit;an output line connected to a cathode of the light source unit;a resistance line connected between the output line and a ground and disposed in a pattern having a predetermined width and length to have a predetermined resistance;a sensing line connected to the output line; anda controller configured to measure a balance voltage of the output line through the sensing line and to control an amount of current supplied to the input line based on the balance voltage,wherein when a reference current is supplied to the input line, the balance voltage of the output line becomes a predetermined reference voltage due to the predetermined resistance.2. The backlight device of claim 1 , further comprising:a light emitting control transistor that includes a gate electrode connected to the controller, a first electrode connected to the output line, and a second electrode connected to the resistance line, wherein:the controller, the sensing line, the light emitting control transistor and the ground are disposed on a control substrate.3. The backlight device of claim 2 , wherein:the resistance line connects the second electrode of the light emitting control transistor to ...

BACKLIGHT MODULE, DISPLAY DEVICE AND DRIVING METHOD THEREOF

A backlight module, a display device and a driving method thereof are provided. The backlight module includes: a micro control circuit, a selection control circuit, a backlight source including a primary viewing region and a subsidiary viewing region, and a backlight driver chip; the micro control circuit is configured to output a selection signal to the selection control circuit and output a control signal to the backlight driver chip after a scanning of a display sub-region corresponding to the primary viewing region or the subsidiary viewing region is completed; the selection control circuit is configured to select the light-emitting components within the primary viewing region or the subsidiary viewing region according to the selection signal; and the backlight driver chip is configured to supply a drive current to the light-emitting components within the primary viewing region or the subsidiary viewing region that is selected according to the control signal. 1. A backlight module , the backlight module being applied to a display device , the display device comprising a display panel; wherein the backlight module comprises: a micro control circuit , a selection control circuit , a backlight source , and a backlight driver chip; the backlight source comprises a plurality of light-emitting components arranged in an array;the display panel comprises a plurality of display sub-regions; the backlight source comprises a primary viewing region and a subsidiary viewing region, each of the primary viewing region and the subsidiary viewing region comprises at least one row of light-emitting components in the plurality of light-emitting components;the micro control circuit is configured to output a selection signal to the selection control circuit and output a control signal to the backlight driver chip after a scanning of one of the plurality of display sub-regions corresponding to the primary viewing region or the subsidiary viewing region is completed;the selection ...

BACKLIGHT MODULE, DISPLAY PANEL AND DISPLAY DEVICE

Embodiments of the present application provide a backlight module, a display panel and a display device. The backlight module includes a metal backplate, a control unit, and a switch, a metal backplate is applied with a coupling voltage under an electric field coupling action, the switch includes a control terminal, a first terminal and a second terminal, the first terminal is electrically connected with the metal backplate, and a second terminal is grounded, the control unit is electrically connected with the metal backplate and the control terminal of the switch, respectively, the control unit controls whether the switch is turned on or turned off depending on a value of the coupling voltage, and the control unit controls whether the metal backplate is grounded. 1. A backlight module , comprising:a metal backplate, applied with a coupling voltage under an electric field coupling action;a switch, comprising a control terminal, a first terminal and a second terminal, the first terminal being electrically connected with the metal backplate, and a second terminal be grounded;a control unit, electrically connected with the metal backplate and the control terminal of the switch, respectively;wherein the control unit controls whether the switch is turned on or turned off depending on a value of the coupling voltage, and the control unit controls whether the metal backplate is grounded.2. The backlight module according to claim 1 , further comprising:a transient diode, one terminal of the transient diode being electrically connected with the metal backplate, and an other terminal of the transient diode being grounded.3. The backlight module according to claim 1 , wherein the coupling voltage is a pulse modulation signal claim 1 , a peak value of a peak of the pulse modulation signal is larger than a first specific potential;the switch comprises a first transistor, the first transistor is an N-type metal-oxide-semiconductor transistor, a gate of the first transistor is the ...

BACKLIGHT MODULE AND METHOD FOR DETECTING ELECTROSTATIC DAMAGE THEREOF

A backlight module is disclosed. The backlight module comprises a circuit board, at least one light source disposed on the circuit board, and a positive probe-point and a negative probe-point, both provided on the circuit board. The positive and negative probe-points are electrically connected to the light source, and the positive probe-point and the negative probe-point are electrically connected with a current dividing element so that the light source is connected in parallel with the current dividing element. The positive probe-point and the negative probe-point are also collectively configured to detect an electrostatic damage of the backlight module. 1. A backlight module , comprising:a circuit board;at least one light source disposed on the circuit board; anda positive probe-point and a negative probe-point, both provided on the circuit board and electrically connected to the light source, wherein the positive probe-point and the negative probe-point are electrically connected with a current dividing element so that the light source is connected in parallel with the current dividing element, and wherein the positive probe-point and the negative probe-point are collectively configured to detect an electrostatic damage of the backlight module.2. The backlight module of claim 1 , wherein the backlight module is separate from the current dividing element.3. The backlight module of claim 2 , wherein the current dividing element comprises:at least one first resistor;at least one positive probe; andat least one negative probe,wherein the first resistor is electrically connected with both the positive probe and the negative probe.4. The backlight module of claim 3 , wherein the positive probe is connected to the positive probe-point and the negative probe is connected to the negative probe-point so that the first resistor is connected in parallel with the light source to detect the electrostatic damage of the backlight module.5. The backlight module of claim 3 , ...

IMAGE DISPLAY APPARATUS

An image display apparatus includes: a display panel; a rear frame which is plate-shaped and located on a back side of the display panel; a plurality of LED sheets which are attached to the rear frame, and on which components, which are light sources for illuminating the display panel from the back side of the display panel, are mounted; and a relay sheet which is flexible and provided with wiring for relaying power to be supplied to the plurality of LED sheets. 1. An image display apparatus , comprising:a display panel for displaying an image;a foundation member which is plate-shaped and located on a back side of the display panel, at a position opposite to the display panel;a plurality of component mounting boards which are attached to the foundation member on a side closer to the display panel, and on which components are mounted, the components being light sources for illuminating the display panel from the back side of the display panel; anda relay sheet which is flexible and provided with wiring for relaying power to be supplied to the plurality of component mounting boards.2. The image display apparatus according to claim 1 , whereinthe relay sheet includes a first slit which increases flexibility of the relay sheet.3. The image display apparatus according to claim 2 , whereinthe relay sheet includes a second slit that crosses the first slit.4. The image display apparatus according to claim 2 , whereinthe relay sheet includes a metal pin connected with a component mounting board among the plurality of component mounting boards, the metal pin protruding from an edge of the relay sheet adjacent to the first slit, in a direction crossing the first slit.5. The image display apparatus according to claim 1 , whereinthe foundation member includes a recessed portion at a location corresponding to a connecting portion of a component mounting board among the plurality of component mounting boards and the relay sheet, the recessed portion being recessed in a direction ...

Display systems and methods involving mim diodes

A representative display system includes: a pixel array having a plurality of pixels, a plurality of select lines, and a plurality of data lines; a first of the plurality of pixels having a first metal-insulator-metal (MIM) diode, a second MIM diode, a first storage capacitor, and a first light emitting diode (LED), the first MIM diode and the second MIM diode being electrically coupled in series between a first of the plurality of select lines and a second of the plurality of select lines, the first storage capacitor and the first LED being electrically coupled, in parallel, between a first of the plurality of data lines and between the first MIM diode and the second MIM diode; wherein the first LED is selectively controllable to emit light in response to corresponding select signals simultaneously provided on the first of the plurality of select lines and the second of the plurality of select lines and in response to data signals on the data lines.

LOCAL DISPLAY BACKLIGHTING SYSTEMS AND METHODS

Aspects of the subject technology relate to display of an electronic device. The display includes a backlight unit having a voltage source, a string of light-emitting diodes and a bypass switch for each light-emitting diode in the string. The string of light-emitting diodes can receive, at a first end, a supply voltage from the voltage source. The bypass switch for each light-emitting diode is controllable to pulse-width-modulate that light-emitting diode. The headroom voltage feedback circuit is coupled to a second end of the string. 1. An electronic device having a display , the display comprising: a voltage source;', 'a string of light-emitting diodes configured to receive, at a first end, a supply voltage from the voltage source;', 'a bypass switch for each light-emitting diode in the string, the bypass switch for each light-emitting diode controllable to pulse-width-modulate that light-emitting diode; and', 'a headroom voltage feedback circuit coupled to a second end of the string., 'a backlight unit having2. The electronic device of claim 1 , wherein the backlight unit further comprises a current sink coupled to the string at a second end.3. The electronic device of claim 2 , wherein the headroom voltage feedback circuit is coupled to the second end of the string at a location between the current sink and a last light-emitting diode in the string.4. The electronic device of claim 3 , wherein the backlight unit comprises a plurality of strings of light-emitting diodes including the string of light-emitting diodes.5. The electronic device of claim 4 , wherein each string of the plurality of strings is configured to receive claim 4 , at a first end claim 4 , the supply voltage from the voltage source.6. The electronic device of claim 4 , wherein the headroom voltage feedback circuit is coupled to a second end of each of the strings of the plurality of strings.7. A method claim 4 , comprising:providing a supply voltage from a voltage source to a plurality of ...

LCD BACKLIGHT DRIVING CIRCUIT AND LIQUID CRYSTAL DEVICE

A LED backlight driving circuit is disclosed. The LED backlight driving circuit includes a driving module, a detecting module, and an adjusting module. The driving module receives a control voltage generated by a voltage control module, receives a feedback voltage generated by a feedback voltage module, and generates driving signals to a LED unit. The detecting module generates adjusting signals for the adjusting module according to a detected value of the driving signals. The adjusting module controls the feedback voltage according to the adjusting signals generated by the detecting module so as to adjust the driving signals. In this way, not only the current precision within the LED unit is enhanced, but also the light source is kept stable. Also, the life cycle of the LED units is also increased. In addition, a LED backlight driving circuit includes the above LED backlight driving circuit is also disclosed. 1. A LED backlight driving circuit , comprising:a driving module for receiving a control voltage generated by a voltage control module, receiving a feedback voltage generated by a feedback voltage module, and generating driving signals to a LED unit;a detecting module for generating adjusting signals for an adjusting module according to a detected value of the driving signals; andthe adjusting module for controlling the feedback voltage according to the adjusting signals generated by the detecting module so as to adjust the driving signals.2. The LED backlight driving circuit as claimed in claim 1 , wherein one reference driving signals is configured within the detecting module claim 1 , the adjusting module increases the feedback voltage according to a first adjusting signals when the detecting module determines that a value of the driving signals is smaller than the reference driving signals claim 1 , and the adjusting module decreases the feedback voltage according to a second adjusting signals when the detecting module determines that the value of the ...

LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR CONTROLLING SAME

Provided is a liquid crystal display device with which it is possible to suppress degradation of image quality during video display or three-dimensional display without causing gradational luminance irregularities. Writing of an image to be displayed is sequentially performed from one side of a panel to the other side thereof during each frame period, and writing of a black image is sequentially performed from the one side of the panel to the other side thereof during the vertical blanking period in each frame period. A plurality of LEDs composing a backlight are divided into a plurality of segments so that a group of LEDs arrayed in a line in the direction in which scanning signal lines extend belong to the same segment. A segment lighting control circuit in a backlight control circuit controls emission intensities of the LEDs segment by segment so that the intensity of light irradiating the panel increases gradually from the one side of the panel to the other side thereof. 1. A liquid crystal display device , comprising:a liquid crystal panel including a plurality of scan signal lines and a plurality of image signal lines that intersect with the plurality of scan signal lines;a plurality of light sources as a backlight that radiates light to a rear surface of the liquid crystal panel;a light source control unit that controls an intensity of light emitted by the plurality of light sources; anda liquid crystal panel driving unit that drives the liquid crystal panel,wherein the plurality of light sources are divided into a plurality of groups such that a set of light sources aligned in a direction extending along the plurality of scan signal lines belongs to a same group,wherein the liquid crystal panel driving unit writes an image to be displayed to the liquid crystal panel every frame period from one edge to an opposite edge of the liquid crystal panel in a direction extending along the plurality of image signal lines, and writes a black image from said one edge to ...

BACKLIGHT MODULE, LIQUID CRYSTAL DISPLAY AND CONTROL METHOD FOR DRIVING BACKLIGHT SOURCE

A backlight module, a liquid crystal display and a control method for driving the backlight source, the backlight module comprising an LED backlight source and a driving circuit, the LED backlight source comprising first LEDs each formed of a blue light chip, red phosphor powder and green phosphor powder, and second LEDs each formed of a blue light chip, a green light chip and red phosphor powder, and the driving circuit comprising driving circuit modules for driving the first LEDs and the second LEDs respectively. The liquid crystal display includes the above-mentioned backlight module and the display panel. 1. A backlight module comprising an LED backlight source and a driving circuit , the LED backlight source comprising first LEDs each formed of a blue light chip , red phosphor powder and green phosphor powder , and second LEDs each formed of a blue light chip , a green light chip and red phosphor powder , and the driving circuit comprising driving circuit modules for driving the first LEDs and the second LEDs respectively.2. The backlight module of claim 1 , further comprising a light-guiding plate claim 1 , the first LEDs and the second LEDs being arranged alternately in lines on a light incidence side of the light-guiding plate.3. The backlight module of claim 1 , further comprising a diffuser plate claim 1 , the first LEDs and the second LEDs being arranged alternately in a matrix on a light incidence side of the diffuser plate.4. A liquid crystal display comprising a backlight module and a display panel wherein the backlight module is the backlight module comprises an LED backlight source and a driving circuit claim 1 , the LED backlight source comprising first LEDs each formed of a blue light chip claim 1 , red phosphor powder and green phosphor powder claim 1 , and second LEDs each formed of a blue light chip green light chip and red phosphor powder claim 1 , and the driving circuit comprising driving circuit modules for driving the first LEDs and the ...

Emissive Display with Printed Light Modification Structures

A multi-color emissive display is presented with printed light modifier structures. A fabrication method provides an emissive substrate with a plurality of wells formed in the emissions substrate top surface, and a plurality of emissive elements populating the wells. The method prints light modifier structures overlying the emissive elements. Some examples of light modifier material include light scattering materials, phosphors, and quantum dots. In one aspect, the emissive substrate wells have a first shape, with sidewalls and a first perimeter. Likewise, the emissive elements have the first shape, with sides and a second perimeter, less than the first perimeter. The light modifier structures fill the space between the emissive element sides and the well sidewalls with light modifier material. If the first shape is circular, the method prints the light modifier structures overlying the emissive elements in the circular shape having a first diameter defined by the well sidewalls. 1. A multi-color emissive display comprising: a top surface;', 'a plurality of wells formed in the emissions substrate top surface;', 'a matrix of column and row conductive traces forming a first plurality of column/row intersections, where each column/row intersection is associated with a corresponding well;', 'a plurality of emissive elements populating the wells, each emissive element having a bottom surface;, 'an emissions substrate comprisinga printed light modifier structures overlying a plurality of the emissive element bottom surfaces.2. The display of wherein the printed light modifier material is selected from a group consisting of light scattering materials claim 1 , phosphors claim 1 , and quantum dots (QDs).3. The display of wherein each well has a first shape with sidewalls and a first perimeter;wherein each emissive element is formed as a disk with the first shape, with sides and a second perimeter less than the first perimeter; and,wherein the printed light modifier ...

LED BACKLIGHT MODULE, DISPLAY SCREEN AND DETECTION METHOD OF LED BACKLIGHT MODULE

Provided is a LED backlight module, display screen and detection method of a LED backlight module. The LED backlight module includes a substrate and multiple LED chips arranged on the substrate, one first detection group is arranged on the substrate for each LED chip of more than one LED chip arranged at an interval of N LED chips connected in series, where N is greater than or equal to 0, the first detection group includes a first positive electrode detection point and a first negative electrode detection point, the first positive electrode detection point and the first negative electrode detection point of the first detection group are respectively connected to a positive electrode and a negative electrode of the each LED chip. 1. A LED backlight module , comprising a substrate and a plurality of LED chips arranged on the substrate , wherein one first detection group is arranged on the substrate for each LED chip of more than one LED chip arranged at an interval of N LED chips connected in series , N is greater than or equal to 0 , wherein the first detection group comprises a first positive electrode detection point and a first negative electrode detection point , the first positive electrode detection point and the first negative electrode detection point of the first detection group are respectively connected to a positive electrode and a negative electrode of the each LED chip.2. The LED backlight module according to claim 1 , wherein a plurality of partitions are arranged on the substrate claim 1 , and each partition of the plurality of partitions is provided with at least two LED chips connected in series or parallel claim 1 , wherein the LED backlight module further comprises a second detection group capable of independently detecting the each partition claim 1 , wherein the second detection group comprises a second positive electrode detection point and a second negative electrode detection point claim 1 , the second positive electrode detection point and ...

DISPLAY DEVICE

A display device including an optical member, a display panel disposed above the optical member, and a plurality of light emitting units disposed below the optical member and providing a first color light to the optical member. The optical member may include a glass substrate containing an upper surface and a lower surface facing each other in a thickness direction and overlapping the plurality of light emitting units in a plan view, and a quantum dot layer disposed directly on the upper surface or the lower surface and converting the first color light into a second color light and a third color light. 1. A display device , comprising:an optical member;a display panel disposed above the optical member;a plurality of light emitting units disposed below the optical member and configured to provide a first color light to the optical member; anda protection member accommodating the plurality of light emitting units, the optical member, and the display panel, a glass substrate having an upper surface and a lower surface facing each other in a thickness direction, and overlapping the plurality of light emitting units in a plan view; and', 'a quantum dot layer disposed directly on the upper surface or the lower surface, and configured to convert the first color light into a second color light and a third color light., 'wherein the optical member comprises2. The display device of claim 1 , wherein the first color light has a wavelength of 410 nm to 480 nm.3. The display device of claim 1 , wherein concave patterns are defined on the lower surface of the glass substrate toward the upper surface of the glass substrate.4. The display device of claim 1 , wherein scattering patterns are defined on the upper surface of the glass substrate.5. The display device of claim 4 , further comprising a passivation layer contacting the scattering patterns of the glass substrate and providing a planar surface.6. The display device of claim 1 , wherein each of the plurality of light emitting ...

ELECTRONIC DEVICE, ELECTRONIC TIMEPIECE, DISPLAY CONTROL METHOD, AND STORAGE MEDIUM

An electronic device includes: a TFT liquid crystal panel; a light source that emits light to be radiated onto a back face of the TFT liquid crystal panel; and a processor that generates a common signal to be input to a common electrode of the TFT liquid crystal panel. The processor generates the common signal so as to have a waveform that differs between when the light source is not lit and when the light source is lit. 1. An electronic device , comprising:a TFT liquid crystal panel;a light source that emits light to be radiated onto a back face of the TFT liquid crystal panel; anda processor that generates a first common signal and causes the first common signal to be input to a common electrode of the TFT liquid crystal panel when the light source is lit, and that generates a second common signal and causes the second common signal to be input to the common electrode of the TFT liquid crystal panel when the light source is not lit,wherein a waveform of the first common signal is different from a waveform of the second common signal.2. The electronic device according to claim 1 , wherein when the light source is not lit claim 1 , the waveform of the second common signal has a periodic oscillation at a frequency less than or equal to a first prescribed frequency for voltage inversion control claim 1 , and when the light source is lit claim 1 , the waveform of the first common signal does not have said periodic oscillation for the voltage inversion control.3. The electronic device according to claim 1 , wherein when the light source is not lit claim 1 , the waveform of the second common signal has a periodic oscillation at a frequency less than or equal to a first prescribed frequency for periodic voltage inversion control claim 1 , and when the light source is lit claim 1 , the waveform of the first common signal has a periodic oscillation at a frequency higher than or equal to a second prescribed frequency for voltage inversion control claim 1 , the second ...

BACKLIGHT MODULE, CURVED-SURFACE DISPLAY DEVICE, AND LIGHT SOURCE ADJUSTMENT METHOD FOR BACKLIGHT MODULE

The present disclosure provides a backlight module, a curved-surface display device, and a light source adjustment method for the backlight module. The backlight module includes an optical assembly at a side of a light-entering surface of the curved-surface display panel; a light-emitting assembly at a side of the optical assembly away from the curved-surface display panel, and including a plurality of point light sources on a bottom plate; and a control mechanism configured to control states of the point light sources of the light-emitting assembly at different regions of the bottom plate, so as to gradually change output light amounts of the light-emitting assembly at different regions in accordance with a curved surface of the curved-surface display panel. 1. A backlight module for providing a light source for a curved-surface display panel , comprising:an optical assembly at a side of a light-entering surface of the curved-surface display panel;a light-emitting assembly at a side of the optical assembly away from the curved-surface display panel, and including a plurality of point light sources on a bottom plate; anda control mechanism configured to control states of the point light sources of the light-emitting assembly at different regions of the bottom plate, so as to gradually change output light amounts of the light-emitting assembly at different regions of the bottom plate in accordance with a curved surface of the curved-surface display panel.2. The backlight module according to claim 1 , wherein the curved-surface display panel has a curved surface curved in a first direction claim 1 , and distances between the curved-surface display panel and the light-emitting assembly increase gradually from a middle portion of the curved-surface display panel to a peripheral portion of the curved-surface display panel in the first direction claim 1 , andthe control mechanism is configured to control light-emitting states of the point light sources of the light- ...

METHOD AND APPARATUS FOR LIGHT DIFFUSION

A display apparatus includes a substrate and a plurality of LEDs. Each LED is attached to the substrate via conductive pads on a side of the LED. A diffuser having light diffusing characteristics is aligned with the plurality LEDs against a surface of the substrate. The diffuser is aligned so as to nest around at least one LED of the plurality of LEDs. 1a substrate;a plurality of LEDs, each LED each LED being attached to the substrate via conductive pads on a side of the LED; anda diffuser having light diffusing characteristics aligned with the plurality LEDs against a surface of the substrate, the diffuser aligned so as to nest around at least one LED of the plurality of LEDs.. A display apparatus comprising: This application is a continuation of and claims priority to U.S. patent application Ser. No. 15/479,063, filed on Apr. 4, 2017, entitled “Method and Apparatus for Light Diffusion,” which application claims priority to U.S. patent application Ser. No. 15/075,001, filed on Mar. 18, 2016, entitled “Method and Apparatus for Light Diffusion,” now issued as U.S. Pat. No. 9,678,383, and incorporates the contents thereof in their entireties by reference. This application further incorporates U.S. patent application Ser. No. 14/939,896, filed on Nov. 12, 2015, entitled “Apparatus for Transfer of Semiconductor Devices,” now issued as U.S. Pat. No. 9,633,883, in its entirety by reference.A basic Liquid-Crystal Display (LCD) is structured in layers. An LCD has a mirror in back, which makes it reflective. Then, a piece of glass with a polarizing film on the bottom side and a common electrode plane made of indium-tin oxide on top is added. A common electrode plane covers the entire area of the LCD. Above that is a layer of liquid crystal substance. Next comes another piece of glass with an electrode on the bottom and, on top, another polarizing film disposed at a right angle to the first polarizing film.The electrodes are hooked up to a power source. When there is no ...

Deformed liquid crystal display device

A deformed liquid crystal display device including a cover bottom; a backlight unit on the cover bottom; the backlight unit including: a LED assembly including a plurality of LEDs; a reflector comprising a bottom surface, and side portions bent upward from edges of the bottom surface; a diffuser, disposed above and spaced apart from the plurality of LEDs and the bottom surface of the reflector; a liquid crystal panel disposed on the backlight unit, wherein the reflector has at least one corner having an acute angle formed by two adjacent side portions, wherein a brightness enhancing portion is disposed at the corner having the acute angle.

IMAGE DISPLAY APPARATUS

An image display apparatus includes: a display panel; a back frame including a flat portion having a substantially flat surface; light sources spaced substantially evenly apart in the flat portion; and a luminance-equalizing sheet supported at a distance from the light sources by support pins. The luminance-equalizing sheet includes through holes that transmit light from the light sources toward the display panel. The through holes are arranged in a predetermined pattern that is applied to blocks that are arranged in an array in the luminance-equalizing sheet and each of which faces a different one of the light sources. The predetermined pattern includes a first pattern and a second pattern. The first pattern is applied to at least some of outer blocks in contact with a periphery of the array, and the second pattern is applied to at least some of the blocks to which the first pattern is not applied. 1. An image display apparatus , comprising:a display panel;a back frame that includes a flat portion having a substantially flat surface facing an active area of the display panel;a plurality of light sources that are spaced substantially evenly apart in the flat portion; anda luminance-equalizing sheet that is sheet-shaped and supported at a distance from the plurality of light sources by a plurality of support pins that are pillar-shaped and spaced substantially evenly apart in the flat portion,wherein the luminance-equalizing sheet includes a plurality of through holes that transmit light from the plurality of light sources toward the display panel,the plurality of through holes are arranged in a predetermined pattern that is applied to blocks that are arranged in an array in the luminance-equalizing sheet and each of which faces a different one of the plurality of light sources, andthe predetermined pattern includes a first pattern and a second pattern, the first pattern being applied to at least some of outer blocks, among the blocks, that are in contact with a ...

LIGHTING DEVICE AND DISPLAY DEVICE

A lighting device for applying light to an irradiation object includes a light source, an optical member, an optical sheet, and a housing member. The optical member is in a plate shape through which light from the light source enters. The optical sheet is configured to apply optical action to the light exiting from the optical member. The optical sheet includes a plate body portion and an extending portion provided on at least a first end of the body portion. The extending portion is folded in a zigzag manner and arranged in such a manner as to cover a region between the outer peripheral edge of the optical member and the housing member. The housing member is configured to surround an outer peripheral edge of the optical member and an outer peripheral edge of the optical sheet. 1. A lighting device for applying light to an irradiation object , the lighting device comprising:a light source;an optical member in a plate shape through which light from the light source enters;an optical sheet configured to apply optical action to the light exiting from the optical member; anda housing member configured to surround an outer peripheral edge of the optical member and an outer peripheral edge of the optical sheet,the optical sheet including:a plate body portion, andan extending portion provided on at least a first end of the body portion,the extending portion being folded in a zigzag manner, and being arranged in such a manner as to cover a region between the outer peripheral edge of the optical member and the housing member.2. The lighting device according to claim 1 , wherein the extending portion of the optical sheet is disposed at a region of the outer peripheral edge of the optical member claim 1 , the region being different from a light incident face where the light from the light source enters.3. The lighting device according to claim 2 , whereinthe optical member is a light guide plate configured to guide the light from the light source, andthe light source is ...

BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE PROVIDED THEREWITH

To realize a backlight device capable of adjusting and changing the color temperature without lowering the color purity. The light source constituting the backlight device is composed of: 1. A backlight device using a first type light emitter as a light source composed of a light emitting element and a wavelength conversion element for converting a wavelength of light emitted from the light emitting element , the backlight device comprising:a plurality of kinds of light emitters including at least two kinds of first type light emitters having the same kind of light emitting elements and having the same kind of wavelength conversion elements, whereinthe two or more kinds of first type light emitters emit lights having mutually different chromaticities and the plurality of kinds of light emitters are configured so that the light emission intensity of the light emitting element included in each light emitter is controlled independently for each kind of light emitter.2. The backlight device according to claim 1 , wherein the plurality of kinds of light emitters are three kinds of light emitters.3. The backlight device according to claim 2 , whereina second type light emitter having only a light emitting element is further used as a light source, andthe three kinds of light emitters are composed of two kinds of first type light emitters and one kind of second type light emitters.4. The backlight device according to claim 3 , wherein the amount of wavelength conversion element included in a first type light emitter of the two types is adjusted so that chromaticity coordinates corresponding to a target color temperature on an xy chromaticity diagram are within the range of a triangle connecting chromaticity coordinates of light emitted from each of the three kinds of light emitters.5. The backlight device according to claim 3 , wherein the amount of wavelength conversion element included in the two kinds of first type light emitters is adjusted so that chromaticity ...

BACKLIGHT UNIT, DISPLAY APPARATUS HAVING THE BACKLIGHT UNIT AND CONTROL METHOD FOR THE DISPLAY APPARATUS

Provided are a backlight unit, a display apparatus including the backlight unit and a control method for the display apparatus. The display apparatus includes: a first light source configured to emit first light having a first wavelength; a second light source configured to emit second light having a second wavelength shorter than the first wavelength of the first light; an image signal receiver configured to receive an image signal from an external device; a switching portion configured to operate at least one of the first light source or the second light source; and a controller configured, based on a brightness value of the received image signal, to control the switching portion to selectively allow at least one of the first light source to emit the first light or the second light source to emit the second light. 1. A display apparatus comprising:a first light source configured to emit first light having a first wavelength;a second light source configured to emit second light having a second wavelength shorter than the first wavelength of the first light;an image signal receiver configured to receive an image signal from an external device;a switching portion configured to operate at least one of the first light source or the second light source; anda controller configured, based on a brightness value of the received image signal, to control the switching portion to selectively allow at least one of the first light source to emit the first light or the second light source to emit the second light.2. The display apparatus of claim 1 , wherein the switching portion comprises:a first switch configured to operate the first light source to emit the first light according to a control of the controller; anda second switch configured to operate the second light source to emit the second light according to a control of the controller.3. The display apparatus of claim 1 , wherein the first light emitted from the first light source comprises blue light (BL) claim 1 , and ...

BACKLIGHT UNIT USING MULTI-CELL LIGHT EMITTING DIODE

A backlight unit includes a backlight module with a printed circuit board including blocks and MJT LEDs disposed on the blocks, respectively and a backlight control module generating a signal for drive control of each of the blocks, wherein each of the blocks comprises at least one MJT LED, and the backlight control module includes a drive controller for On/Off control and dimming control of each of the blocks. 1. A backlight unit comprising:a printed circuit board including a plurality of blocks and a plurality of multi junction technology light emitting diodes (MJT LEDs), at least one of the MJT LEDs disposed on each block; anda plurality of optical members disposed on the MJT LEDs, each optical member including a light incidence plane through which light emitted from the corresponding MJT LED enters the optical member and a light exit plane through which light exits the optical member at a wider beam angle than that of the corresponding MJT LED,a backlight control module comprising a drive power generator and a drive controller,whereineach MJT LED comprises a plurality of light emitting cells connected to each other via interconnection lines, each light emitting cell comprising a lower semiconductor layer, an upper semiconductor layer disposed on the lower semiconductor layer and an active layer disposed between the upper and lower semiconductor layers,the drive power generator generates DC drive power using an input voltage supplied from an external power source,an anode of each block is connected to the drive power generator and a cathode of each block is independently connected to the drive controller,the drive controller controls a dimming level of the each block in response to a dimming signal and a drive current in a range of 0 to 100%.2. The backlight unit of claim 1 , wherein:the plurality of light emitting cells comprises a first light emitting cell and a second light emitting cell, the first light emitting cell and the second light emitting cell being ...

Liquid crystal display, led backlight source, and the driving method thereof

A liquid crystal display, a LED backlight source and the driving method thereof are disclosed. The LED backlight source includes a DC voltage input for inputting DC voltage, a boost circuit for increasing the voltage of the DC input and outputting the boosted DC voltage, a LED strip and a constant current driving circuit. The LED strip includes a plurality of serially connected LEDs and a first resistor (R 1 ). The power consumption of the first MOS is reduced when the LEDs are driven. As such, the power consumption of the constant current driving circuit is reduced, so does the temperature. In this way, the energy conversion efficiency of the driving circuit of the LED backlight source is enhanced, and components within the constant current driving circuit are prevented from being burned out.

DIRECT-LIGHT-TYPE BACKLIGHT MODULE, DISPLAY DEVICE AND ITS ASSEMBLY METHOD

A direct-light-type backlight module includes a display device and its assembly method, wherein the backlight module comprises a plurality of LED strips, a reflector, a plurality of cover portions and a plurality of connectors. The LED strips respectively comprise a plurality of LED packages. The reflector is set above the LED strip. The reflector has a plurality of light openings and a plurality of cover openings, and the light openings match the LED packages respectively, so that the LED packages could pass the light openings of the reflector. The cover portions respectively connect one side of the cover openings on the reflector, and two adjacent cover portions at a row are crossover in a X-shaped way in a side view direction of the reflector. The connectors are disposed in the cover openings and are obliquely covered by the cover portions, and the connectors electrically connect to the LED strips. 1. A backlight module , comprising:a plurality of LED strips, wherein at least one of the LED strips includes a plurality of LED packages;a reflector being set above the LED strips, wherein the reflector has a plurality of light openings and a plurality of cover openings, and at least one of the LED packages protrudes through at least one of the light openings; anda plurality of connectors disposed in the cover openings and electrically connected to the LED stripswherein two of the cover openings are located adjacently on the reflector, each of the two adjacent cover openings has a cover portion connected to one side of the one of the two adjacent cover opening and the cover portion is obliquely covering at least one of the connectors disposed in the one of the two adjacent cover opening, and the two cover portions are crossover in a side view.2. The backlight module of claim 1 , wherein the light openings are circular openings.3. The backlight module of claim 1 , wherein the cover portions of the at least two adjacent cover openings are rectangular.4. The backlight ...

Backlighting display apparatus

A backlighting apparatus for an LCD display includes a substrate and a circuit trace disposed on a surface of the substrate. The apparatus further includes a plurality of light sources affixed to the substrate via the circuit trace in a predetermined pattern across the surface of the substrate. Each light source includes one or more micro-sized, unpackaged LEDs. A height of the one or more micro-sized, unpackaged LEDs is from about 12 microns to about 200 microns.

TRANSPARENT PANEL PROVIDED WITH LIGHT EMITTING FUNCTION

The present invention provides a panel capable of switching between a state transparent to external light, a point light emitting state, and a surface light emitting state. Provided is a transparent panel provided with light emitting function, including: an LED die; a light transmitting substrate for LED, on which the LED die is mounted; a wiring pattern provided on a surface of the light transmitting substrate for LED and bonded to the LED die; and a light diffusing panel laminated on the light transmitting substrate for LED. The light diffusing panel includes: a pair of light transmitting substrates for liquid crystal; a liquid crystal layer sandwiched between the pair of light transmitting substrates for liquid crystal; and transparent conductive films disposed on the light transmitting substrates for liquid crystal, and is switchable between a transparent state and a light diffusion state. 1. A transparent panel provided with light emitting function , comprising:an LED die;a light transmitting substrate for LED, on which the LED die is mounted;a wiring pattern provided on a surface of the light transmitting substrate for LED and bonded to the LED die; anda light diffusing panel laminated on the light transmitting substrate for LED, whereinthe light diffusing panel comprises a pair of light transmitting substrates for liquid crystal, a liquid crystal layer sandwiched between the pair of light transmitting substrates for liquid crystal, and transparent conductive films disposed on the light transmitting substrates for liquid crystal, and the light diffusing panel is switchable between a transparent state and a light diffusion state.2. The transparent panel provided with light emitting function according to claim 1 , wherein the wiring pattern contains conductive particles.3. The transparent panel provided with light emitting function according to claim 1 , wherein the wiring pattern is obtained by sintering conductive particles.4. The transparent panel provided ...

Apparatus and Method for Direct Transfer of Semiconductor Devices

A system performs a direct transfer of a semiconductor device die from a first substrate to a second substrate. A semiconductor device die is disposed on a first side of the first substrate. The system includes a first conveyance mechanism to convey the first substrate, and a second conveyance mechanism to convey the second substrate with respect to the first substrate. The second conveyance mechanism includes a first portion and a second portion to clamp the second substrate adjacent to the first side of the first substrate. The first portion of the second conveyance mechanism has a concave shape and the second portion of the second conveyance mechanism has a convex counter shape corresponding to the concave shape of the first portion. The system also comprises a transfer mechanism disposed adjacent to the first conveyance mechanism to effectuate the direct transfer. 1. (canceled)2. A system for performing a direct transfer of a semiconductor device die from a first substrate to a second substrate , the first substrate having a first side and a second side , and the semiconductor device die being disposed on the first side of the first substrate , the system comprising:a first conveyance mechanism to convey the first substrate;a second conveyance mechanism to convey the second substrate with respect to the first substrate, the second conveyance mechanism including a first portion and a second portion to clamp the second substrate adjacent to the first side of the first substrate, wherein the first portion of the second conveyance mechanism has a concave shape and the second portion of the second conveyance mechanism has a convex counter shape corresponding to the concave shape of the first portion;a transfer mechanism disposed adjacent to the first conveyance mechanism to effectuate the direct transfer; and 'activating the transfer mechanism to contact the second side of the first substrate to press the semiconductor device die into contact with a surface of the ...

OUTDOOR DISPLAY APPARATUS

Disclosed is a display apparatus including a display panel on which an image is displayed. The outdoor display apparatus may include a light source module including a light source configured to generate light, and disposed behind the display panel, a rear chassis configured to support the light source module and disposed behind the light source module, a heat collection device supported by the rear chassis and including a heat collection part disposed to correspond to the light source module and a discharge part configured to discharge heat collected in the heat collection part and transferred to the discharge part, and a heat discharge device configured to discharge the heat discharged from the discharge part to an outside of the display apparatus. 1. A display apparatus comprising:a display panel on which an image is displayed;a light source module comprising a light source configured to generate light, the light source module being disposed behind the display panel;a rear chassis configured to support the light source module and disposed behind the light source module;a heat collection device supported by the rear chassis and comprising a heat collection part, which is disposed at a location corresponding to the light source module, and a discharge part configured to discharge heat collected in the heat collection part and transferred to the discharge part; anda heat discharge device configured to discharge the heat discharged from the discharge part to an outside of the display apparatus.2. The display apparatus according to claim 1 , wherein the heat collection device comprises a heat pipe.3. The display apparatus according to claim 1 , wherein the heat collection device is configured to transfer the heat claim 1 , which is collected in the heat collection part by a refrigerant flowing in the heat collection device claim 1 , to the discharge part.4. The display apparatus according to claim 2 , wherein the heat pipe comprises a first region disposed to ...

Method for Driving Backlight Module, Driving Device and Display Apparatus

A method for driving a backlight module, a driving device and a display apparatus are provided. The backlight module is divided into a plurality of light-emitting areas, each of the light-emitting areas including a plurality of lines of point sources, and the driving device includes a controller and a driving component, the driving component is connected to the controller and is configured to output a time series of voltage signal to the controller, and the controller is connected to all the plurality of lines of point sources in each of the light-emitting areas and is configured to drive the lines of point sources in the light-emitting area to emit light respectively at different periods based on the time series of voltage signal. 1. A driving device for driving a backlight module which is divided into a plurality of light-emitting areas , each of the light-emitting areas comprising a plurality of lines of point sources , whereinthe driving device comprises a controller and a driving component,the driving component is connected to the controller and is configured to output time series of voltage signal to the controller, andthe controller is connected to the plurality of lines of point sources in each of the plurality of light-emitting areas and is configured to drive the lines of point sources in the respective light-emitting areas to emit light respectively at different periods based on the time series of voltage signal.2. The driving device of claim 1 , wherein the controller comprises a plurality of overvoltage protection circuits corresponding to the plurality of light-emitting areas one by one;ranges of preset voltage values of the plurality of overvoltage protection circuits do not overlap with each other, andeach of the plurality of overvoltage protection circuits having one terminal connected to the driving component and another terminal connected to the plurality of lines of point sources in a corresponding light-emitting area, is configured to supply a ...

LIQUID CRYSTAL DISPLAY DEVICE

Disclosed is a liquid crystal display (LCD) device having a thin thickness. The LCD device includes a liquid crystal display panel and a light source panel coupled to the liquid crystal display panel. The light source panel includes a plurality of emissive areas defined on a base plate, a plurality of light emitting devices respectively disposed in the plurality of emissive areas, and a plurality of concave portions respectively accommodating the plurality of light emitting devices. 1. A liquid crystal display (LCD) device comprising:a liquid crystal display panel including a lower substrate and an upper substrate attached to each other with a liquid crystal layer therebetween; anda light source panel coupled to the liquid crystal display panel,wherein the light source panel comprises,a plurality of emissive areas defined on a base plate; anda plurality of light emitting devices corresponding to the plurality of emissive areas,wherein each of the plurality of light emitting devices corresponds to a plurality of recessed portions of the light source panel to be disposed lower than a top surface of the light source panel.2. The LCD device of claim 1 , further comprising an optical gap member between the liquid crystal display panel and the light source panel.3. The LCD device of claim 2 , wherein the optical gap member includes a transparent material layer on the plurality of emissive areas.4. The LCD device of claim 3 , wherein the plurality of light emitting devices includes a micro white light emitting diode chip emitting white light.5. The LCD device of claim 3 , wherein the plurality of light emitting devices includes a micro white light emitting diode chip emitting light having a first color claim 3 , and the optical gap member includes a wavelength converting material converting part of the light having the first color into light having a second color.6. The LCD device of claim 5 , wherein the wavelength converting material includes a phosphor or a quantum dot. ...

LIQUID CRYSTAL DISPLAY APPARATUS

A liquid crystal display apparatus includes a liquid crystal panel; a light source device; a light source device accommodating member having a flat light source disposition portion, and a frame portion located in a periphery of the light source disposition portion to enclose the light source device; a frame-shaped member having an edge portion including a first part which overlays a non-display region and a second part located outside the non-display region, and an outer periphery part enclosing a side surface of a first substrate, a side surface of a second substrate, and the frame portion of the light source device accommodating member; and a spacer disposed between the frame portion and the outer periphery part, the light source device accommodating member, the frame-shaped member, and the spacer being fixed by a fixing member which penetrates the frame portion, the spacer, and the outer periphery part. 1. A liquid crystal display apparatus , comprising:a liquid crystal panel including a first substrate having a display region located in a center part in an outer main surface thereof and a non-display region located outside the display region, a second substrate disposed relative to the first substrate so that an inner main surface of the first substrate and an inner main surface of the second substrate are opposite to each other, and a liquid crystal layer disposed between the first substrate and the second substrate to correspond to the display region of the first substrate;a light source device disposed on an outer main surface side of the second substrate relative to the liquid crystal panel;a light source device accommodating member having a light source disposition portion having a flat-plate shape in which the light source device is disposed, and a frame portion located in a periphery of the light source disposition portion to enclose the light source device;a frame-shaped member having an edge portion including a first part which overlays the non-display ...

Thin LCD Direct-Lit Backlight with Low Cost Heater

A direct-lit LED backlight for a liquid crystal display (LCD) based avionics display unit may include a two-dimensional high density array of mid-power LED units mounted to a circuit card. A diffuser layer for scattering and spreading the luminous output of the LED array throughout the full LCD stack may be airlessly adhered (e.g., without the need for an air gap) to the LED array, and to the LCD stack, by bond layers of thermally conductive transparent optical adhesive. The circuit card may include embedded resistive heaters for conductively heating the LCD stack to optimize performance, or the LCD stack may be heated by the LED array itself. The backlight may include night vision filtering layers similarly and airlessly adhered between the LED array and the LCD stack by the optical bond layers. 1. A direct-lit backlight for a liquid crystal display (LCD) unit , comprising:an array of luminous elements configured to generate a luminous output, the array of luminous elements mounted to a substrate in an evenly spaced apart relationship;drive electronics coupled to a power source, the drive electronics configured to supply power to the array of luminous elements;at least one diffuser layer configured to scatter the luminous output; a first optical bond layer adhering the diffuser layer to the substrate;', 'and', 'a second optical bond layer adhering the diffuser layer to the LCD stack., 'one or more optical bond layers incorporating at least one transparent thermally conductive optical adhesive, the one or more optical bond layers including at least2. The direct-lit backlight of claim 1 , wherein:the array of luminous elements is a two-dimensional array.3. The direct-lit backlight of claim 1 , wherein:the array of luminous elements includes at least one of: a light-emitting diode (LED); a micro-LED having a surface area not greater than one square millimeter; and an organic LED (OLED).4. The direct-lit backlight of claim 1 , further comprising:one or more heating ...

BACKLIGHT MODULE AND DISPLAY APPARATUS USING THE SAME

A backlight module for providing backlight to a display panel includes a plurality of light sources, a plurality of optical elements corresponding to the light sources, and a circuit board. The circuit board is electrically connected to the light sources, and defines a plurality of predetermined regions corresponding to the optical elements. Each of the predetermined regions includes a plurality of patterns on an upper surface of the circuit board. The patterns in the same predetermined region form a series of concentric rings centered on the corresponding light source. The patterns adjusts a transmitting parameter of the light to be reflected by the corresponding predetermined region. 1. A backlight module for providing backlight to a display panel , the backlight module comprising:a plurality of light sources;a plurality of optical elements corresponding to the light sources; anda circuit board configured to electrically connect to the light sources, and having defined therein a plurality of predetermined regions corresponding to the optical elements;wherein each of the predetermined regions comprises a plurality of patterns on an upper surface of the circuit board, each pattern in a same predetermined region forms a series of concentric rings centered on the corresponding light source, and each pattern is configured to adjust a transmitting parameter of light transmitted by at least one light source from amongst the plurality of light sources.2. The backlight module of claim 1 , wherein the pattern adjusts a scattering angle of the light.3. The backlight module of claim 1 , wherein the pattern adjusts a reflectivity of the light.4. The backlight module of claim 1 , wherein a projection of the optical element on the circuit board is completely overlapping with the corresponding predetermined region.5. The backlight module of claim 1 , wherein a projection of the optical element on the circuit board is contained in corresponding predetermined region claim 1 , which ...

DISPLAY APPARATUS AND BACKLIGHT

A first LED substrate and a second LED substrate are included each of which includes: on a main surface thereof, a plurality of LEDs connected in series in a longitudinal direction; a first connector including (i) a first terminal disposed on one of short sides of the LED substrate and connected to an anode of an LED positioned first among the LEDs connected in series, and (ii) a second terminal connected to a cathode of another LED positioned last among the LEDs connected in series. The second terminal of the first LED substrate and the first terminal of the second LED substrate are interconnected. The first terminal of the first LED substrate is connected to a positive terminal of a power circuit and the second terminal of the second LED substrate is connected to a negative terminal of the power circuit. 1. A display apparatus comprising:a display panel;a light source which emits light toward a back surface of the display panel; anda power circuit which supplies power to the light source,wherein the light source includes a substrate,the substrate includes:a plurality of LEDs electrically connected in series and arranged in a longitudinal direction of the substrate on a main surface of the substrate;a first connector which is disposed on one of end portions in the longitudinal direction of the substrate, and includes (i) a first terminal and (ii) a second terminal connected to one end of the plurality of LEDs; anda second connector which is disposed on an other of the end portions in the longitudinal direction of the substrate, and includes (i) a third terminal connected to the first terminal of the first connector and (ii) a fourth terminal connected to an other end of the plurality of LEDs, andthe first connector of the substrate is connected to the power circuit.2. The display apparatus according to claim 1 ,wherein the second terminal of the first connector of the substrate is connected to a negative terminal of the power circuit.3. The display apparatus ...

LIGHTING DEVICE WITH OFFSET LAND PATTERNS

A lighting device includes a mounting substrate comprising a first pair of conductive pads and a second pair of conductive pads arranged along a first direction on the mounting substrate. The first pair of conductive pads is offset from the second pair of conductive pads in the first direction and a second direction intersecting the first direction with respect to a plane parallel to the mounting substrate. A first light emitting device is coupled to the first pair of conductive pads, and configured to emit lights toward a first side within a space formed between the mounting substrate and a diffusion plate. A second light emitting device is coupled to the second pair of conductive pads, and configured to emit lights toward a second side opposite of the first side within the space formed between the substrate and the diffusion plate. 1. A lighting device comprising:a mounting substrate comprising a first pair of conductive pads and a second pair of conductive pads arranged along a first direction on the mounting substrate, the first pair of conductive pads being offset from the second pair of conductive pads in the first direction and a second direction intersecting the first direction with respect to a plane parallel to the mounting substrate;a first light emitting device coupled to the first pair of conductive pads, and being configured to emit lights toward a first side within a space formed between the mounting substrate and a diffusion plate;a second light emitting device coupled to the second pair of conductive pads, and being configured to emit lights toward a second side opposite of the first side within the space formed between the substrate and the diffusion plate.2. The lighting device of claim 1 , wherein the first pair of conductive pads overlaps with the second pair of conductive pads along the second direction in an overlapping region.3. The lighting device of claim 1 , wherein:the first pair of conductive pads includes a first conductive pad and a ...

Remote Display Failure Detection

One embodiment is a remote display system. Embodiments include a liquid-crystal display (“LCD”), an outer surface that forms a gap between the outer surface and the LCD, a light sensor disposed within the gap and covering a portion of the LCD, and a flexible printed circuit board (“PCB”) that couples the light sensor to a server.

LIQUID CRYSTAL DISPLAY DEVICE AND TELEVISION RECEIVER

A liquid crystal display device includes: a liquid crystal panel; a reflection sheet arranged on a rear surface side of the liquid crystal panel, the reflection sheet being curved so that a surface facing the liquid crystal panel is recessed; and a light emitting diode substrate including: a light emitting diode array in which a plurality of light emitting diodes are arranged along a longitudinal direction; and electrodes connected to the plurality of light emitting diodes. In a circle which is centered at one light emitting diode and whose diameter is a distance from the one light emitting diode to another light emitting diode adjacent to the one light emitting diode, an area of the electrode connected to a high temperature side electrode of the one light emitting diode is larger than an area of the electrode connected to a low temperature side electrode of the one light emitting diode. 1. A liquid crystal display device , comprising:a liquid crystal panel;a reflection sheet arranged on a rear surface side of the liquid crystal panel, the reflection sheet being curved so that a surface facing the liquid crystal panel is recessed; and a light emitting diode array in which a plurality of light emitting diodes are arranged along a longitudinal direction of the light emitting diode substrate; and', 'electrodes connected to the plurality of light emitting diodes,, 'a light emitting diode substrate comprisingwherein, in a circle whose center is at one of the plurality of light emitting diodes and whose diameter is a distance from the one of the plurality of light emitting diodes to another of the plurality of light emitting diodes adjacent to the one of the plurality of light emitting diodes, an area of the electrode connected to a high temperature side electrode of the one of the plurality of light emitting diodes is larger than an area of the electrode connected to a low temperature side electrode of the one of the plurality of light emitting diodes, andwherein the ...

BACKLIGHT APPARATUS

Backlight apparatus includes a backlight module. The backlight module includes a light member, a light guiding member, a baffle-board and an astigmatism board. The light guiding member is used to guide lights or direct lights emitted by the light member and includes a first guiding surface and a second guiding surface. The baffle-board is attached to the first guiding surface, and the astigmatism board is adhered to the second guiding surface. The lights extending through the first guiding surface is reflected back to the light guiding member by the baffle-board for increasing the brightness of the light guiding member, and the direct lights extending through the second guiding surface is changed to diffused lights by the astigmatism board for allowing the backlight module to be seen in different views. 1. A backlight apparatus comprising:a backlight module comprising a light member configured to emit lights or direct lights, a light guiding member, a baffle-board and an astigmatism board; the light guiding member is configured for guiding lights or direct lights and comprises a first guiding surface and a second guiding surface opposite to the first guiding surface; the baffle-board is attached to the first guiding surface, and the astigmatism board is adhered to the second guiding surface;wherein the lights extending through the first guiding surface is reflected back to the light guiding member by the baffle-board for increasing the brightness of the light guiding member, and the direct lights extending through the second guiding surface is changed to diffused lights by the astigmatism board for allowing the backlight module to be seen in different views.2. The backlight apparatus of claim 1 , wherein the light guiding member further comprise four side surfaces connected to the first guiding surface and the second guiding surface claim 1 , and the backlight module further comprises a shielding member attached to the four side surfaces.3. The backlight apparatus ...

LED BACKLIGHT UNIT WITH SEPARATELY AND INDEPENDENTLY DIMMABLE ZONES FOR A LIQUID CRYSTAL DISPLAY

A liquid crystal display module includes a plurality of liquid crystal pixels and a backlight unit containing white-light-emitting LEDs located in individually dimmable zones. Selectively brightening or dimming one or more individually dimmable zones to directly illuminate one or more pixels with brighter or dimmer white light. 1. A display unit comprising a backlight illumination unit , wherein the backlight illumination unit comprises:a backplane substrate;a plurality of white-light-emitting light emitting diodes (LEDs) attached to the backplane substrate and arranged in a plurality of individually dimmable zones; andelectrodes located on the backplane substrate and individually connected to each of the plurality of white-light-emitting LEDs,wherein the plurality of white-light-emitting LEDs are configured to be individually controllable to provide brighter or dimmer white light from each selected individually dimmable zone among the plurality of individually dimmable zones.2. The display unit of claim 1 , wherein:the backplane substrate comprises a plurality of sub-panels arranged in an array configuration; andeach individually dimmable zone is located in a respective one of the plurality of sub-panels.3. The display unit of claim 2 , wherein the sub-panels within the plurality of sub-panels are separated from one another by channels filled with a reflective material and wherein the backplane substrate is reflective.4. The display unit of claim 2 , wherein each of the sub-panels comprises multiple dimming zones.5. The display unit of claim 2 , wherein each sub-panel comprises a frame that includes a restraining material and containing an array of openings therein claim 2 , wherein each opening within the array of openings includes a respective individually dimmable zone.6. The display unit of claim 2 , further comprising at least one of a brightness enhancement film or a diffuser film.7. The display unit of claim 1 , wherein each of the individually dimmable ...