Flüssigkristallanzeige

Transflektive Flüssigkristallanzeige mit einer Flüssigkristallschicht zwischen zwei begrenzenden Substraten, die auf ihren Innenseiten ansteuerbare transparente Elektroden aufweisen, mit einem frontseitigen Polarisator sowie einem aus einer oder mehreren Einzelkomponenten bestehenden, teilweise transparenten und teilweise reflektiven, polarisierenden optischen Element in Beobachtungsrichtung hinter der Flüssigkristallschicht, sowie mit einer Front- und einer Rückbeleuchtung, wobei das optische Element transmittiertes Licht und reflektiertes Licht unterschiedlich polarisiert, dadurch gekennzeichnet, dass das optische Element (6) aus einem verdrillten cholesterischen Flüssigkristall (9) konstanter Ganghöhe, bei dem das reflektierte bzw. transmittierte Licht im sichtbaren Wellenlängenbereich liegt, sowie aus einer λ/4-Verzögerungsschicht (7) besteht, wobei durch den cholesterischen Flüssigkristall (9) Licht mit einem ersten Schraubendrehsinn hindurchtreten kann und Licht mit einem zweiten ...

Fahrzeug vom Typ, bei dem man rittlings sitzt

... [Problem] Ein Fahrzeug vom Typ, bei dem man rittlings sitzt, bereitzustellen, welches imstande ist, sowohl einen Temperaturanstieg in einem Flüssigkristallfeld als auch einen Energieverbrauch von einer Flüssigkristallanzeigeeinrichtung zu unterdrücken. [Mittel zur Lösung der Probleme] Eine Flüssigkristallanzeigeeinrichtung 28 von einem Kraftrad 10 umfasst ein Anzeigeeinrichtung-Steuer-/Regelmittel 114, um ein Flüssigkristallfeld 78 und eine Hintergrundbeleuchtungsquelle 116 zu steuern/regeln. Wenn ein Fahrer eine in dem Kraftrad 10 enthaltene Steuer-/Regeleinrichtung nicht betätigt, verändert das Anzeigeeinrichtung-Steuer-/Regelmittel 114 das Flüssigkristallfeld 78 in einen gedimmten Anzeigezustand, welcher eine geringere Helligkeit hat, indem die Hintergrundbeleuchtungsquelle 116 in einen Zustand geringer Ausgabe umgeschaltet wird. Das Anzeigeeinrichtung-Steuer-/Regelmittel nimmt auch die Ausgabe von der Hintergrundbeleuchtungsquelle 116 wieder auf, wenn der Fahrer die Steuer-/Regeleinrichtung ...

Display device

The invention relates to a display device having a transparent display panel through which ambient light can pass from the side averted from an observer to the side facing the observer. Signs and/or symbols can be represented on the display panel in front of a bright background. The display panel has on the side averted from the observer an optically conductive plate 9 which is made from transparent material and in which light-scattering particles 19 are distributed and into which light can be introduced from a light source 12. ...

Brighter, lower-cost optical display unit for e.g. traffic warnings

This optical display unit is controlled in terms of the position and intensity of light emitted (1). It is esp. a liq. crystal display (LCD) for transflective operation, i.e. visible using transmitted and/or reflected light. It has a plane, light control device (7), esp. a liq. crystal cell. This controls visible light transmission selectively, from the artificial light source (4) behind it. Between source and optical cell, there is an optical diffuser (5), This provides the information display, which is opt. illuminated from in front, as well (10). A feature of this unit is an optically dense layer (5) causing isotropic scattering. Its scattering centres vary in their dimensions up to a few tens of a wavelength, as emitted by the artificial light source (4).

Portable data processing apparatus with backlit display screen and shell of such an apparatus

Display construct with intergrated switchable mirror and corresponding systems and methods

A display device has a liquid crystal display (LCD) 405 operable to selectively transmit light. The LCD has a first and second substrate 401 & 402, and a switchable mirror 406 disposed between the substrates. Disposed between the substrates, the LCD also has either a colour filter 407 or a liquid crystal layer 403 or both. The mirror may switch between a pellucid and transparent state. The device may have a thin film transistor circuit 404, and the transistor layer may be integrated with the mirror layer (Fig 5). The device may have polarizers 408 & 409. The distance between the colour filter and switchable mirror (801, Fig 8) may be less than fifty microns. Alternatively, a maximum optic cone 803 is defined by a minimum angle of incidence 802, and the distance may be such that an area of conic section of the cone must be less than an area of a pixel (701,702,703, Fig 7) of the colour filter.

Display panel

Backlight unit, liquid crystal display device comprising same, and game machine

A backlight unit for a liquid crystal display device comprises: a light source; a first light guide plate for guiding the light emitted from a light source; a second light guide plate disposed behind the first light guide plate and movably provided so as to selectively be located in an overlapped position and a non-overlapped position in the front and rear directions of a predetermined area of the first light guide plate; and a driving unit for providing the driving force for moving the second light guide plate. Since two light guide plates are provided in the front and rear directions and the rear light guide plate is moved in a sliding manner so as to be selectively located in the position which is overlapped with or is not overlapped with the predetermined area of the front light guide plate, a rear reel can be selectively seen through the predetermined area when being applied to the game machine.

NVG COMPATIBLE ILLUMINATION DEVICE BASED ON LIGHT-EMITTING DIODES

BACKLIGHT FOR LIQUID CRYSTAL DEVICES

A backlight system for liquid crystal device display is equipped with a dual lighting system for day viewing and compatible with night vision systems. The day lighting system uses conventional fluorescent or incandescent lamps for full color display during daytime use. The night lighting system uses a light source which is either filtered to remove infrared and near infrared wavelengths or which is chosen from a class of sources which does not emit such wavelengths. The day lighting system is disabled while the night system is in use.

OPTICAL PANEL CAPABLE OF SWITCHING BETWEEN REFLECTIVE AND TRANSMISSIVE STATES

A device (8), comprising a switchable optical panel (10) and means (19, 21, 23) for switching the panel between a reflecting state and a transmitting state. The switchable optical panel includes a transparent optically active layer (12) having a first and a second major surface, a first reflective polarizer (32) disposed on the first major surface and a second reflective polarizer (34) disposed on the second major surface. The optically active layer preferably comprises a liquid crystal device and the switching means preferably comprises a system of driving electronics for applying voltage across the liquid crystal device. The invention also includes a switchable window (62, 114) and a transflective optical display (128).

Optical systems having variable viewing angles

Optical systems are described that include a lighting component, a switchable diffuser adjacent the lighting component, and a low-absorbing optical component disposed adjacent the switchable diffuser opposite the lighting component or disposed adjacent the lighting component opposite the switchable diffuser or disposed adjacent the lighting component opposite the display panel. The switchable diffuser is capable of being in either a substantially clear state or in a first hazy state. The low -absorbing optical component provides a collimating effect or a turning effect when the lighting component is illuminated and the switchable diffuser is in the substantially clear state.

Action carrier auxiliary system and vehicle electronic rearview mirror

The utility model discloses a mobile carrier auxiliary system and an electronic rearview mirror for a vehicle. The mobile carrier auxiliary system comprises a first light-transmitting element, a second light-transmitting element, an electro-optic dielectric layer, a light-transmitting electrode, a reflecting layer, a transparent conducting layer, an electric connecting piece, a control element andan optical imaging system. A gap can be formed between the second light-transmitting element and the first light-transmitting element. Wherein the electro-optic dielectric layer is arranged in a gapformed by the first light-transmitting element and the second light-transmitting element, the light-transmitting electrode can be arranged between the first light-transmitting element and the electro-optic dielectric layer, and the electro-optic dielectric layer is arranged between the first light-transmitting element and the reflecting layer; the transparent conducting layer is arranged between the ...

Use of a wavelength converting material to project an image or backlighting through a display panel, and backlight for exciting same

VIEWING ANGLE CONTROL DEVICE AND DISPLAY APPARATUS

ДИСПЛЕЙНОЕ УСТРОЙСТВО И ЭЛЕКТРОННОЕ УСТРОЙСТВО

Display device

Display device

Low intensity displays compatible with night vision imaging systems

Holographic projection

Holographic projection, comprising: receiving an image for projection; forming an image frame (500, 500’) comprising first (501, 501’) and second (502, 502’) image regions, where the first image region corresponds to the image and the second image region corresponds to non-image content representative of system control parameters; applying (656) first gain factor to non-image content to change grey level of non-image content in image frame; calculating hologram (660) of image frame; displaying hologram and illuminating (662) it with light from a light source to form a holographic reconstruction of image frame; measuring (664) parameter representative of luminance of holographic reconstruction of non-image content; scaling measured parameter in accordance with an inverse of first gain factor to obtain parameter value representative of true luminance of holographic reconstruction of non-image content; controlling (610) optical power of light illuminating hologram until true luminance of holographic ...

VEHICLE INFORMATION DISPLAY

SYSTEM AND PROCEDURE FOR THE SUPPLY OF ENVIRONMENT LIGHT FOR AN ANNOUNCEMENT OF AN ELECTRONIC DEVICE

DISPLAY DEVICE COMPRISING STACKED TRANSMISSIVE AND ELECTROLUMINISCENT DISPLAY ELEMENTS

ILLUMINATED ELECTRO-OPTICAL DISPLAY APPARATUS

ILLUMINATED ELECTRO-OPTICAL DISPLAY APPARATUS An improved illuminated electro-optical display system includes front and rear optically transmissive panels that are spaced apart in substantially parallel configuration. A liquid crystal composition occupies the space between the front and rear panels. Optically transmissive electrodes are disposed on the opposing surfaces of the front and rear panels. The electrodes are attached to suitable electrical leads whereby a voltage can be impressed between selected front and rear electrodes. A multi-cellular light diffusing panel is located behind the rear optically transmissive panel and a light source is located behind the multi-cellular light diffusing panel. Light from the light source is transmitted through the multicellular light diffusing panel, through the rear optically transmissive panel, through at least a portion of the liquid crystal composition and through at least a portion of the front optically transmissive panel. The light source ...

BACKLIGHTING FOR LIQUID CRYSTAL DISPLAY

The invention described is a backlighting module that may be used in an electronic liquid crystal display device (20). The backlighting includes one or more lamps (38) within a cavity (37) of the module. The lamps are capable of a wide range of luminance including low-level luminance achieved by a unique burst modulation scheme for driving the lamps.

Liquid display device

A liquid display device 100 has a first back light unit 1 and a second back light unit 2. The first back light unit 1 includes first optical members 4, 5D, through which the incident light from the second back light unit 2 passes and the light emitted from light sources 3A, 3B is converted to a light with first distribution and radiated toward the back surface of a liquid crystal display panel 10. The back light unit 2 includes a second optical member 7 though which the light emitted from the light sources 6A, 6B is converted to a light with a second distribution and radiated toward the back surface of the liquid display panel 10.

DISPLAY DEVICE WITH LIGHT SENSOR

Disclosed is a liquid crystal display device including a liquid crystal panel 20 equipped with a plurality of light sensors, a white backlight 31, and an infrared backlight 32. The infrared backlight 32 is turned ON and OFF at a prescribed timing. Some of the light sensors detect light when the infrared backlight 32 is ON, and other light sensors detect light when the infrared backlight 32 is OFF. The white backlight 31 turns OFF for light sensors conducting the light detection. Thus, the effective range of the light sensors included in the display device can be widened.

Screen for a free viewing mode and a restricted viewing mode

A screen for operation in a free viewing mode or a restricted viewing mode, comprising: an image reproduction unit, a plate-shaped transparent light guide in front of the image reproduction unit and luminous means arranged on sides of the light guide. The image reproduction unit is arranged behind the light guide. In the free-viewing mode, the luminous means are switched off, with the result that the light which comes from the image reproduction unit and onto which image information is modulated passes through the light guide substantially without influence. The luminous means are switched on in the restricted-viewing mode. A light emission characteristic is generated either on the basis of scattering particles which are distributed spatially and/or in terms of the concentration in the light guide or on the basis of coupling elements arranged on at least one of the large surfaces of the light guide.

Liquid crystal color display suitable for night-sight glasses

In a night vision goggle compatible color liquid crystal display, liquid crystal cells ( 10, 11, and 12 ) are arranged in a matrix in which three adjacent liquid crystal cells are respectively provided with a red, green, and blue filter. The liquid crystal cells are driven by drive circuit ( 17 ). The drive circuit ( 17 ) is controlled by a control device ( 15 ) with red, green, and blue pixel information. The brightness of a backlight source of the color display can be switched from a high value in a daytime operation to a low value for a nighttime operation. To optimize the night vision goggle compatible color liquid crystal display, the control device ( 15 ) switches off the driver of the liquid crystal cells with the red filters during the nighttime operation.

Liquid crystal display device implementing photodetector to control backlight

A liquid crystal display device 1 according to an embodiment of the present invention includes a liquid crystal display panel, a photodetector unit LS1 that is built into the liquid crystal display panel and has a TFT ambient light photosensor, an ambient light photosensor reader Re1 for reading a voltage due to photo-leakage from the TFT ambient light photosensor, and a control means 20 for controlling the photodetector unit and the ambient light photosensor reader, and a backlight 24, etc., according to an output from the ambient light photosensor reader. The photodetector unit has a switching element SW2 coupled between a source line coupled to the TFT ambient light photosensor's source electrode SL and a drain line coupled to the TFT ambient light photosensor's drain electrode DL. The control means 20 makes the source line and the drain line of the TFT ambient light photosensor be coupled to a common potential when changing a gate voltage of the TFT ambient light photosensor by keeping ...

Pixel structure for vertical emissive- reflective display

A pixel structure for a vertical emissive-reflective (emi-flective) display is provided. The pixel structure has a substrate, a self-light emitting pixel unit arranged on the substrate, and a reflective pixel unit arranged on the self-light emitting pixel unit. By using the vertical pixel structure, the aperture of the display can be increased, and the power consumption can also be decreased.

Display panel, preparation method thereof, and display apparatus

Provided are a display panel, a preparation method thereof, and a display apparatus. The display panel includes a first substrate and a second substrate disposed oppositely, and a liquid crystal layer sandwiched between the first substrate and the second substrate, wherein the first substrate includes a black matrix layer and a color filter layer which are sequentially disposed on a first base substrate; at least one of the first substrate and the second substrate further includes a spacer; and the black matrix layer includes at least one first black matrix, and an orthographic projection of each first black matrix on the first base substrate covers an orthographic projection of the spacer on the first base substrate.

SYSTEM ZUR RÜCKBELEUCHTUNG EINER FLÜSSIGKRISTALLANZEIGE FÜR KOMPATIBILITÄT MIT EINEM NACHTSICHTBILDSYSTEM

Kombiinstrument für ein Kraftfahrzeug

Für ein Kombiinstrument für ein Kraftfahrzeug, insbesondere für ein Nutzfahrzeug oder einen Bus, mit einem LC-Display (1) wird vorgeschlagen, daß eine Lichtleitplatte (4) vorgesehen ist, DOLLAR A È in die Umgebungslicht von innerhalb oder von außerhalb des Kraftfahrzeugs eingekoppelt wird, DOLLAR A È in der das eingekoppelte Umgebungslicht durch Totalreflexion an die vom Betrachter abgewandte Seite des LC-Displays (1) geführt wird und DOLLAR A È die an der vom Betrachter abgewandten Seite des LC-Displays (1) zur dortigen Auskopplung des Umgebungslichts aus der Lichtleitplatte (4) und zur Einkopplung des Umgebungslichts in das LC-Display (1) eine Beschichtung (11) oder eine Struktur (13) aufweist. DOLLAR A Durch diese Maßnahme wird für das LC-Display (1) eine Hinterleuchtung bewirkt, die zu einer deutlichen Kontrastanhebung für auf dem LC-Display (1) angezeigte Informationen führt.

FLUESSIGKRISTALL-ANZEIGEVORRICHTUNG FUER EIN KRAFTFAHRZEUG

TRANSMISSIONSFLUESSIGKRISTALL-ANZEIGEVORRICHTUNG.

Portable terminal equipment and method of controlling backlight display therein

Liquid crystal display

A liquid crystal display apparatus comprises a first and second housing portions. The first and second housing portions are coupled so that the angle of the opposing surfaces may be adjustable. A light transmitting portion is formed on the upper surface of the first housing portion. The light beam received by the light transmitting portion is further transmitted through a liquid crystal plate and a colored filter housed in the first housing portion and then is led to impinge upon the mirror provided on the second housing portion. An image formed on the liquid crystal plate can be observed as a multicolored image through a light beam reflected from the mirror.

MONO CHROME INDICATOR WITH A BACKGROUND LIGHTING, A MOTOR VEHICLE AND A PROCEDURE FOR THE OPERATION A MONOCHROMEN OF AN INDICATOR

ELECTRONIC INDICATOR AND PROCEDURE FOR ITS LIGHTING CONTROL

2D/3D MODE-SWITCHABLE ELECTRONIC DISPLAY WITH DUAL LAYER BACKLIGHT

A dual layer backlight employs a first planar backlight to emit light and a second planar backlight to provide a plurality of coupled-out light beams. The second planar backlight includes a plate light guide and a multibeam diffraction grating configured to diffractively couple out a portion of a guided light beam within the plate light guide as the plurality of coupled-out light beams. A light beam of the coupled-out light beam has a different principal angular direction from other light beams of the coupled-out light beam plurality. A two-dimensional/three-dimensional (2D/3D) mode-switchable electronic display includes the dual layer backlight and a light valve array configured to selectively modulate emitted light as 2D pixels in a first mode and the coupled-out light beams as 3D pixels corresponding to the different 3D views in a second mode of the electronic display.

ENHANCEMENTS FOR USE OF A DISPLAY IN A SOFTWARE CONFIGURABLE LIGHTING DEVICE

The examples relate to various implementations of a software configurable lighting device, having an enhance display device that is able to generate light sufficient to provide general illumination of a space in which the lighting device is installed and provide an image display. The general illumination is provided by additional light sources and/or improved display components of the enhanced display device.

COLOR LIQUID CRYSTAL DISPLAY BACKLIGHT SYSTEM FOR NIGHT VISION IMAGING SYSTEM COMPATIBILITY

The disclosure is directed to a color liquid crystal display backlight syste m for daytime and nighttime use. Night vision imaging system requirements ate met so that light emissions from the 630 nm to 930 n m range are substantially reduced or eliminated. Separate daytime and nighttime light sources ate utilized. The NVIS compatible nighttime source is positioned to be out of sight of a user and produces an appropriately filtered, substantially collimated beam which diffusively reflects from the inside walls and base of the display housing before it illuminates the display surface. Intensities of both dayti me and nighttime light sources can be controlled.

Liquid crystal display device with a light collecting device

The light guide part 21 is formed between the converging part 60 for collecting the external light in the back light module and the irradiation guide part 20 for reflecting the converged light to the LCD panel 10. The irradiation guide part 20 is arranged adjacently to the panel 10 and the converging part 60 is separated from the panel 10. Since the collected light is reflected by the light guide part 21, the uneven luminance of the panel is reduced.

BACKLIGHT MODULE, DRIVING METHOD THEREFORE, AND DISPLAY APPARATUS HAVING THE BACKLIGHT MODULE

Reflective liquid crystal display integrating self-emission device and fabrication method thereof

A reflective liquid crystal display integrating a self-emission device and fabrication methods thereof. The reflective liquid crystal display integrating a self-emission device comprises a reflective liquid crystal display (LCD) device and a transparent self-emission device directly disposed on the reflective LCD device. The reflective LCD includes a reflective cholesterol liquid crystal display, a reflective polymer dispersed liquid crystal display, a reflective twisted nematic liquid crystal display, a reflective smectic liquid crystal display, or a ferro-electric liquid crystal display.

Backlight module and liquid crystal display using the same

The present invention relates to a backlight module and a liquid crystal display device employed the backlight module. The backlight module includes two sets of light sources, one of which is a multicolor mixed light source, and the other is white light source. The two sets of the light sources may be switched according to different mode of the liquid crystal display device using the light sources. The multicolor mixed light source enables the liquid crystal display device having a high color saturation, and the white light source enables the liquid crystal display device having a high brightness.

ILLUMINATION DEVICE AND DISPLAY UNIT

An illumination device capable of suppressing formation of a double image in three-dimensional display, and a display unit including the illumination device are provided. In a light modulation device bonded to a light guide plate, a scattering region that scatters light propagating within the light guide plate, and a transmissive region that allows light propagating within the light guide plate to pass therethrough are formed through control of an electric field. The scattering region scatters light to generate linear illumination light. A reflector is provided directly below the light modulation device. The reflector reflects light, which is part of the scattered light generated in the scattering region and is emitted to a reflector side, to generate reflected light to be focused directly below the scattering region.

Pre-formed polymer matrix disc to maintain uniform cell spacing

An emissive display system includes an electro-optic device having a first substantially transparent substrate including a first electrically conductive material associated therewith. A second substantially transparent substrate is spaced apart from the first substrate to define a cavity and includes a second electrically conductive material associated therewith. One or more spacing members are positioned within the cavity and include one or more polymer matrix discs configured to maintain a cell spacing between the first and second substrates. An electro-optic medium is disposed within the cavity and is variably transmissive such that the electro-optic device is operable between substantially clear and darkened states, and includes at least one solvent, at least one anodic material, and at least one cathodic material. A substantially transparent light emitting display is operably coupled to the electro-optic device, which is in the darkened state when the light emitting display is emitting ...

DISPLAY DEVICE AND VEHICLE REARVIEW MIRROR

According to an aspect, a display device capable of displaying an image both in a reflective state in which incident light is reflected and in a transmissive state in which incident light is transmitted, the display device includes: a display panel disposed such that a second direction orthogonal to a first direction on a planar surface of the display panel is closer to parallel to a vertical direction than the first direction is. An azimuth at which the highest reflectance is obtained in the reflective state in which incident light is reflected is at a lower side in the vertical direction and between the first direction and the second direction.

Illumination device and display unit

An illumination device capable of suppressing formation of a double image in three-dimensional display, and a display unit including the illumination device are provided. In a light modulation device bonded to a light guide plate, a scattering region that scatters light propagating within the light guide plate, and a transmissive region that allows light propagating within the light guide plate to pass therethrough are formed through control of an electric field. The scattering region scatters light to generate linear illumination light. A reflector is provided directly below the light modulation device. The reflector reflects light, which is part of the scattered light generated in the scattering region and is emitted to a reflector side, to generate reflected light to be focused directly below the scattering region.

LIQUID CRYSTAL DISPLAY, DISPLAY METHOD AND TERMINAL

A liquid crystal display includes a backlight layer, a colorless region, and a backlight layer. The backlight layer is configured to have a first light-transmission hole. The colorless region is provided between a liquid crystal layer and an outer polarizing layer, and corresponds to the first light-transmission hole. The backlight is disposed at the first light-transmission hole and its light is projected on liquid crystal display and corresponds to the colorless region.

Backlight unit and display device having the same

A display device is provided. The display device includes: a backlight; and a display panel configured to create an image by selectively blocking light emitted from the backlight, the backlight including a light regulator configured to regulate emission of incident light; a light guide plate arranged behind the light regulator; and a plurality of adhesives arranged to bond the light regulator and the light guide plate, respective cross-section areas of the plurality of adhesives increasing as distance from a light source increases.

DISPLAY WITH VARIABLE REFLECTIVITY

A device may include a light source and a display. The display may include a switchable device configured to be in a transmissive state based on a first condition and be in a reflective state based on a second condition.

ДИСПЛЕЙНОЕ УСТРОЙСТВО И ЭЛЕКТРОННОЕ УСТРОЙСТВО

Настоящее изобретение относится к дисплейному устройству. Дисплейное устройство содержит дисплейную панель, подложку матрицы. Подложка матрицы содержит основу; тонкопленочный транзистор, расположенный на поверхности основы в первой области; фотоэлектрический датчик, расположенный на поверхности основы во второй области, предназначенный для идентификации по отпечатку пальца; и пассивирующий слой, расположенный на поверхности как тонкопленочного транзистора, так и фотоэлектрического датчика с противоположной стороны от основы, модуль фоновой подсветки, расположенный на поверхности подложки матрицы с противоположной стороны от цветной пленочной подложки, модуль восприятия прикосновения, расположенный на поверхности цветной пленочной подложки, с противоположной стороны от подложки матрицы или расположенный между подложкой матрицы и цветной пленочной подложкой, управляющую микросхему, электрически соединенную с тонкопленочным транзистором, фотоэлектрическим датчиком и модулем восприятия прикосновения ...

Display has red light emitting diode that is switched anti-parallel to white light emitting diode, and drive unit is provided, which has lighting device, and light emitting diodes are subjected to different polarity

The display has a red light emitting diode (2) that is switched anti- parallel to a white light emitting diode (1). A drive unit (3) is provided, which has a lighting device. The light emitting diodes are subjected to different polarity with pulse stream by the drive unit.

Tragbare Informationsverarbeitungseinheit

A display having a holographic privacy device

A display comprises an image display device (2) for displaying an image into at least a first viewing zone (zone B) and a second viewing zone (zone A, zone C) and a holographic optical element (1) which, when illuminated with light of a pre-determined wavelength, directs light into the second viewing zone (zone A, zone C) but directs substantially no light into the first viewing zone (zone B). Illuminating the holographic optical element (1) with light of the pre-determined wavelength thus provides a narrow display mode in which an observer in the second viewing zone cannot make out an image displayed on the display device (2). The transmission spectrum of the holographic optical element, for light propagating along at least one direction in the first viewing zone, is such that no minima occur in the spectrum at wavelengths at which the image displayed on the image display device has an intensity significantly different from zero. This can be arranged, for example, by suitable choice of ...

Display panel

TRANSFLEKTIVE ANNOUNCEMENT WITH A COLORED OLED BACK LIGHTING

LIQUID CRYSTAL DISPLAY DEVICE WITH FRONT LIGHTING

WITH NIGHT VISION EYEGLASSES COMPATIBLE ONE LIGHTING DEVICE WITH LIGHT EMITTING DIODES

LIQUID CRYSTAL DISPLAY DEVICE

TRANSFLECTIVE SWITCHABLE DOUBLE-CELL LCD DEVICE

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 ...

BACKLIT LIQUID CRYSTAL DISPLAY WITH EDGE-MOUNTED NIGHT LAMP

An improved NVG compatible day/night backlighting assembly for a color liquid crystal display includes a daytime high intensity light source, an edge-mounted nighttime low intensity light source, and an integral collimating/reflecting/image splitting lens which collimates and image splits the light emitted from the high intensity daytime light source, and reflects upward the low intensity light rays emanating from the low intensity edge-mounted light source.

Light control device and display device using the same

A light control device and a display device using the same. The light control device includes a polymer networked liquid crystal (PNLC) or polymer dispersed liquid crystal (PDLC) display switchable between a scattering state and a first display state, and a guest-host (G-H) liquid crystal display (LCD) switchable between a transparent state and a second display state. A light source of the G-H LCD is disposed at a side of the PNLC or PDLC display and aligned to its liquid crystal layer. In a first operational mode, the PNLC or PDLC display is switched to the first display state, and the G-H LCD is switched to the transparent state and becomes transparent. In a second operational mode, the G-H LCD is switched to the second display state, and the PNLC or PDLC display is switched to the scattering state to function as a light guide layer for the G-H LCD.

System and method for providing ambient light to a display in an electronic device

The invention provides a device and method for providing backlight to a display in an electronic device. The device comprises: a housing; an ambient light collector; a backlight panel; a shutter; and a photodetector. The ambient light collector has: a body having the first end and a second end, which is located within the housing. The body receives ambient light from around the electronic device and transmits it to the second end. The body is shaped to direct the ambient light from the first end towards the second end and has a turn in it between the first and second ends. In the body, each conduit has an upper end and a lower end, the upper end being connected to the second end of the body, and each conduit extending downward and away from the second end.

Method for increasing daylight display brightness for helmet mounted displays

The present invention provides an optical system and method that substantially eliminates or reduces disadvantages and problems associated with previously developed optical visual display systems and methods used for displaying critical visual symbology or rastered imagery in high ambient brightness environments.

Display device comprising first and second light guide plates having recessed patterns and flat surfaces that face each other to form first and second empty spaces wherein the second empty space is narrower than the first empty space

A display device includes a liquid crystal display panel that varies a phase of polarized light via liquid crystal molecules, wherein second recessed patterns of a second light guide plate are directly faced with first recessed patterns of a first light guide plate to form a first empty space, and wherein first flat surfaces of the first light guide plate are directly faced with second flat surfaces of the second light guide plate to form a second empty space narrower than the first empty space.

Personal digital assistant display illumination method and system

The present invention system and method facilitates efficient and relatively even distribution of illumination throughout a display screen. The system and method also facilitates clearer presentation of images, size reductions and conservation of limited power resources in handheld computers. In one embodiment of the present invention, a display illumination distribution system includes a light pipe, a lens, a wave-guide array and a light source. The light sources provides light waves that are directed along the wave guide array to the lens which directs the light waves into the light pipe. The light pipe conveys the light to the display and provides illumination. The routing of light through the wave-guide array confines the light waves to a wave guide and reduces the number of light waves that miss the light pipe.

СВЕТОИЗЛУЧАЮЩЕЕ УСТРОЙСТВО И ЖИДКОКРИСТАЛЛИЧЕСКОЕ ИНДИКАТОРНОЕ УСТРОЙСТВО

... 1. Светоизлучающее устройство, включающее в себя: ! блок подсветки, который подает свет; и ! поддерживающую подставку, которая удерживает с возможностью вращения блок подсветки; при этом ! некоторое количество линейных источников света в блоке подсветки включает в себя первый линейный источник света и второй линейный источник света, которые расположены так, что они пересекают друг друга; ! элемент управления излучением света углоизмерительного типа, который определяет угол поворота блока подсветки относительно поддерживающей подставки и, в соответствии с углом поворота, управляет излучением света линейного источника света; и включает в себя ! элемент управления излучением света углоизмерительного типа, при измерении первого углового диапазона, который является углом поворота в заданном диапазоне, соответствующем поддерживающей подставке, заставляет первый линейный источник света излучать свет; в то же время, при измерении второго углового диапазона, который является углом поворота в заданном ...

Bildschirm für einen freien und einen eingeschränkten Sichtmodus

Die Erfindung betrifft einen Bildschirm (1), der in mindestens zwei Betriebsarten B1 für einen freien Sichtmodus und B2 für einen eingeschränkten Sichtmodus betrieben werden kann, umfassend, eine flächenartig ausgedehnte Hintergrundbeleuchtung (2), die Licht in einen eingeschränkten Winkelbereich abstrahlt, einen in Betrachtungsrichtung vor der Hintergrundbeleuchtung (2) angeordneten transmissiven Bildgeber (5), einen zwischen dem Bildgeber (5) und der Hintergrundbeleuchtung (2) gelegenen, plattenförmigen Lichtleiter (3), welcher aus einem transparenten, thermoplastischen oder thermoelastischen Kunststoff besteht, und welcher auf mindestens einer der Großflächen und/oder innerhalb seines Volumens Auskoppelelemente (6) aufweist, wobei seitlich an Schmalseiten des Lichtleiters (3) Leuchtmittel (4) angeordnet sind, der Lichtleiter (3) für das von der Hintergrundbeleuchtung (2) ausgehende Licht zu mindestens 70% transparent ist, die Auskoppelelemente (6) in ihrer Anzahl pro Fläche und in ihrer ...

Verfahren zum Betreiben einer frei beschreibbaren, blendfreien und energiesparenden Lichtzeichenanlage im Verkehrsbereich und Gerätesystem zu dessen Realisierung

Verfahren zum Betreiben einer frei beschreibbaren, blendfreien und energiesparenden Lichtzeichenanlage im Verkehrsbereich wobei Softwarebefehle die Ansteuerung der Lichtzeichenanlage über eine Treiberschaltung vornehmen und die Softwarebefehle zum Beschreiben der Lichtzeichenanlage in eine microrechnergestützte Ansteuereinheit (8) von Flüssigkristalldisplays (2, 3, 4) als Bestandteil der Lichtzeichenanlage eingespeist werden, dadurch gekennzeichnet, daß Licht aus der Umgebung der Lichtzeichenanlage in ein Gehäuse (1) beliebiger geometrischer Figur gelangt, das Licht durch Trägerplatten der Flüssigkristalldisplays (2, 3, 4) aus farbstrukturiertem dichroitischen Polarisationsglas tritt bzw. unter Ausnutzung der reflektiven/transflekriven Wirkung der Flüssigkristalldisplays (2, 3, 4) das Licht in die Vorderfront (E) der Displays dringt und das Licht durch Schalten in frei wählbaren Spektralbereichen in Form von Farbe und Struktur die Displays (2, 3, 4) über die dem Betrachter zugewandte Vorderfront ...

FAHRZEUGINFORMATIONS-DISPLAYS

Anzeigevorrichtung für Fahrzeuge mit Lichtquellen unterschiedlicher Richtschärfe

Anzeigevorrichtung für ein Fahrzeug, mit: einer LCD-Tafel (60) mit einer gesamten Displayfläche (60a) und einer Teildisplayfläche (61), welche in der gesamten Displayfläche (60a) enthalten ist; einer Lichtquelle (40, 40A), welche eine erste lichtemittierende Vorrichtung mit einer Mehrzahl von lichtemittierenden Dioden (42), welche Licht auf die gesamte Displayfläche (60a) emittieren, und eine zweite lichtemittierende Vorrichtung mit einer Mehrzahl von lichtemittierenden Dioden (43) enthält, welche Licht auf die Teildisplayfläche (61) emittieren und welche zahlenmäßig weniger sind als die lichtemittierenden Dioden (42) der ersten lichtemittierenden Vorrichtung; einer Steuerungsschaltung (100) zum Steuern der LCD-Tafel (60), um Informationen von hoher Priorität auf der gesamten Displayfläche (60a) und Informationen von geringer Priorität auf der Teildisplayfläche (61) anzuzeigen, wobei die zweite lichtemittierende Vorrichtung eine höhere Richtschärfe als die erste lichtemittierende Vorrichtung ...

BACKLIGHT FOR AN LCD WITH A SWITCH

When a first group of contacts 31a is selected by a power switch 30, all power supply is stopped, when a second group of contacts 31 b is selected, power from a power supply portion 27 is supplied only to an information processing circuit 20 and an LCD drive circuit 24, and when a third group of contacts 31c is selected, power from a power supply portion 27 is supplied to all of the information processing circuit 20, the LCD drive circuit 24 and a backlight emitter 26. Thus, a user can arbitrarily choose between turning on a backlight to obtain a bright and legible screen or seeing the screen through natural reflection light with turning off the backlight.

Portable terminal equipment and a method of controlling backlight display therein

When the amount of remaining battery power is limited, the battery life can be extended while established functions can be maintained sufficiently available. A battery remaining power amount monitoring portion 4 monitors the amount of battery power remaining. On lighting the backlight within a liquid crystal display 1, when a controlling portion 6 determines that the amount of remaining battery power is higher than a predetermined level, based on the result of monitoring in the battery remaining power amount monitoring portion 4, the controlling portion 6 causes a desired light emitting element to emit light. However, when the controlling portion 6 determines that the amount of remaining battery power is lower than the predetermined level, it causes a light emitting element operable with a lower power consumption to emit light, thereby saving power consumption. With multiple-color light emitting elements, when the battery is low light emitting elements of a selected color operable with ...

LIQUID CRYSTAL DISPLAY DEVICE

... 1459971 Reflectors; controlling light DAINI SEIKOSHA KK 20 Jan 1975 [31 Jan 1974] 2406/75 Headings G2F and G2J [Also in Division G5] A liquid crystal display device comprising liquid crystal material 1 disposed between a pair of glass plates 21, 22 bearing a pattern of electrodes on their opposed surfaces and having crossed polarizing plates 31, 32, is provided with a baseplate 5 having a metal reflective layer 5a, the plate 5 comprising a transparent material, e.g. acrylic glass, and a plurality of randomly disposed transparent grains 6 of a material, e.g. polystyrene, having a different reflection ratio from the material 5.

Back lit electronic viewfinder

TRANSFLECTIVE DISPLAY

LIQUID CRYSTAL DISPLAY SYSTEM FUNCTIONING BY WAY OF TRANSPARENCY

Abrégé Dispositif d'affichage à cristaux liquides. Une plaquette (2) de cristaux liquides fonctionnant en transmission est disposée devant une lame (9) de matériau transparent pourvue d'une multitude de volets (92) opaques et parallèles sensiblement perpendiculaires à la plaquette (2). En utilisation diurne, des rayons lumineux (30) sensiblement perpendiculaires à la plaquette (2) traversent la lame (9) vers l'arrière de la plaquette (2). En utilisation nocturne, la lame (9) réfléchit vers l'arrière de la plaquette (2) une partie des rayons lumineux (40) provenant d'une lampe (8) et les volets (92) arrêtent l'autre partie de ces rayons lumineux (40). Le dispositif peut être utilisé à bord d'un véhicule automobile, nautique ou aéronautique. (Figure 2) ...

COLOR LIQUID CRYSTAL DISPLAY BACKLIGHT SYSTEM FOR NIGHT VISION IMAGING SYSTEM COMPATIBILITY

The disclosure is directed to a color liquid crystal display backlight system for daytime and nighttime use. Night vision imaging system requirements are met so that light emissions from the 630 nm to 930 nm range are substantially reduced or eliminated. Separate daytime and nighttime light sources are utilized. The NVIS compatible nighttime source is positioned to be out of sight of a user and produces an appropriately filtered, substantially collimated beam which diffusively reflects from the inside walls and base of the display housing before it illuminates the display surface. Intensities of both daytime and nighttime light sources can be controlled.

Information display device

An information display device (10) includes a light source (11), a light guide plate (13) to which light from the light source (11) enters from a side surface and from which the light exits from one principal surface, and a liquid crystal panel (16) disposed adjacently to the light guide plate (13). Outside light is injected into the light guide plate (13) from an opposing surface opposing the one principal surface. The light guide plate (13) includes a light control mirror (19) electrically switchable to transmit light and to reflect light. At least one of the light from the light source (11) and the outside light exits from the one principal surface of the light guide plate (13). The light passes through the liquid crystal panel (16) and a character or an image is displayed.

Sunlight enhanced backlight system for cockpit display

An objective lens is mounted to the lower exterior portion of a canopy to focus sunlight into an attached fiber optic bundle. The bundle then carries the light a relatively short distance to an instrument panel where it may be disbursed at a diffuser for projection through an LCD. The readability of the display becomes enhanced when sunlight causes the greatest visual interference with a pilot's vision.

Backlit liquid crystal display with integral collimating, refracting, and reflecting means which refracts and collimates light from a first light source and reflects light from a second light source

An improved NVG compatible day/night backlighting assembly for a color liquid crystal display includes a daytime high intensity light source, an edge-mounted nighttime low intensity light source, and an integral collimating/reflecting/image splitting lens which collimates and image splits the light emitted from the high intensity daytime light source, and reflects upward the low intensity light rays emanating from the low intensity edge-mounted light source.

Mobile information terminal

External light is introduced by a light-introducing portion to be used as a light source for a backlight, so that the power consumption of the backlight of a liquid crystal display device can be suppressed. At the same time, the brightness of the screen of the liquid crystal display device can be increased to enhance the visibility in outdoors. Therefore, the portability of a mobile information terminal can be improved. Furthermore, the light-introducing portion covers an end portion of the main unit opposed to an axis, whereby the main unit is protected so that the life period of the mobile information terminal can be prolonged. The variety of the design of the mobile information terminal can be increased by using the transparency of the light-introducing portion.

Backlight module and display device

A backlight module and a display device are provided. The backlight module includes a backplane containing a plurality of scattering pits, an optical member disposed above the backplane, and a plurality of light-source components each including a plurality of light-sources. The plurality of light-source components is configured between the optical member and the plurality of scattering pits, and each light-source component is rotatable to allow the plurality of light-sources having at least one of a first orientation toward the plurality of scattering pits and a second orientation toward the optical member.

MIRROR DISPLAY

The present invention provides a mirror display that has improved design aesthetics and makes it possible to sufficiently improve visibility in mirror mode in dark environments. The mirror display according to the present invention includes a half mirror plate having a half mirror layer, a display device, a case, and an auxiliary illumination unit that includes an auxiliary light source. The case supports at least the half mirror plate and the display device and includes an outer frame that covers an edge of a front surface of the half mirror plate when viewed in a plan view from a viewing side. The display device is arranged on a rear side of the half mirror plate. The auxiliary light source is arranged on the rear side of the half mirror plate, the display device, or the outer frame. The auxiliary illumination unit is controlled separately from the display device and emits light towards the viewing side when the mirror display is in mirror mode. As measured on the viewing side, a brightness ...

СВЕТОИЗЛУЧАЮЩЕЕ УСТРОЙСТВО И ЖИДКОКРИСТАЛЛИЧЕСКОЕ ИНДИКАТОРНОЕ УСТРОЙСТВО

Настоящее изобретение относится к светоизлучающему устройству, которое включает блок подсветки и поддерживающую подставку для удерживания с возможностью вращения блока подсветки, а также к жидкокристаллическому индикаторному устройству, которое включает в себя светоизлучающее устройство. Технический результат - предоставление светоизлучающего устройства (устройства, которое включает: блок подсветки и поддерживающую подставку, которая удерживает с возможностью вращения блок подсветки), которое ограничивает накопление неэффективной ртути в люминесцентной лампе в процессе излучения света, без применения люминесцентной лампы специальной формы; а также жидкокристаллического индикаторного устройства, которое включает в себя светоизлучающее устройство. Достигается тем, что люминесцентная лампа (LP1) и люминесцентная лампа (LP2) в жидкокристаллическом индикаторном устройстве (79) излучают свет, когда лампы расположены под углами поворота в пределах установленного диапазона относительно поддерживающей ...

ПОДЛОЖКА МАТРИЦЫ И СПОСОБ ЕЕ ИЗГОТОВЛЕНИЯ, ДИСПЛЕЙНАЯ ПАНЕЛЬ, ДИСПЛЕЙНОЕ УСТРОЙСТВО И ЭЛЕКТРОННОЕ УСТРОЙСТВО

Настоящее изобретение относится к подложке матрицы и способу ее изготовления, к дисплейной панели, дисплейному устройству и электронному устройству. Подложка матрицы содержит основу, тонкопленочный транзистор, расположенный на поверхности основы в первой области, фотоэлектрический датчик, расположенный на поверхности основы во второй области, предназначенный для идентификации по отпечатку пальца, и пассивирующий слой, расположенный на поверхности как тонкопленочного транзистора, так и фотоэлектрического датчика с противоположной стороны от основы. В соответствии с техническими решениями настоящего изобретения, размещая фотоэлектрический датчик на основе подложки матрицы, можно сделать фотоэлектрический датчик частью подложки матрицы. В дисплейном устройстве, изготовленном с использованием такой подложки матрицы, для идентификации по отпечатку пальца можно помещать палец в положение, соответствующее второй области подложки матрицы. Это устраняет необходимость установки в дисплейном устройстве ...

Fahrzeug vom Typ, bei dem man rittlings sitzt

Fahrzeug (10) vom Typ, bei dem man rittlings sitzt, umfassend wenigstens eine vorbestimmte Steuer- oder Regeleinrichtung (24R, 44, 81, 86, 88, 90, 92, 99, 107), welche dazu verwendet wird, wenigstens einen Zustand von dem Fahrzeug (10) vom Typ, bei dem man rittlings sitzt, zu steuern oder zu regeln, wenn das Fahrzeug (10) vom Typ, bei dem man rittlings sitzt, gefahren wird, eine Flüssigkristallanzeigeeinrichtung (28), welche ein Flüssigkristallfeld (78) und eine Hintergrundbeleuchtungsquelle (116) umfasst, welche auf der Rückseite von einer Anzeigefläche (118) von dem Flüssigkristallfeld (78) angeordnet ist, wobei Anzeigeinhalte von dem Flüssigkristallfeld (78) auf verschiedene Informationen verweisen im Zusammenhang mit dem wenigstens einen Zustand von dem Fahrzeug (10) vom Typ, bei dem man rittlings sitzt, welcher durch die wenigstens eine vorbestimmte Steuer- oder Regeleinrichtung (24R, 44, 81, 86, 88, 90, 92, 99, 107) gesteuert oder geregelt wird, wobei: das Fahrzeug (10) vom Typ, bei ...

Mikroanzeigesystem

Wide-range dual-backlight display apparatus

Wide range dual-backlight display

A backlight display system having a display screen 112 illuminated directly by high intensity daylight lamps 110 and illuminated indirectly by lower intensity nightlight lamps 114a, 114b positioned to reflect their light off the daylight lamps 110 and onto the display screen 112. The backlight display system includes intensity gradient filters 116 and/or distribution lenses 117 to enhance the uniformity of reflected nightlight, a brightness enhancement filter/diffuser 162 disposed before the display screen 112, and optical filtering positioned between the illumination sources and the display screen. Photosensor 123a,b,c controlled intensity feedback is used to provide smooth continuous dimming transition from a wide range of maximum to minimum intensity. The system also provides a third monochromatic nightlight lamp array 134a,b for "class A" Night Vision Imaging System (NVIS) compatibility and an override switch to assure that lighting restrictions needed for night-vision are maintained ...

A liquid crystal television receiver

Within a case a main television circuit, a liquid crystal display panel for producing an image on a front side thereof, an EL light illuminating panel and a driving circuit which is driven to cause said EL light illuminating panel to emit light are accommodated. The EL light illuminating panel is mounted on the reverse side of said crystal display panel so as to emit light through and out of the front side of the panel.

Illumination equipment for a transmissively-operable passive display

Illumination equipment (3), more particularly for a colour liquid crystal display for the instrument-panel of motor vehicles, enables a transition between different light colours according to the ambient light conditions. A housing (1) is sub-divided by a colour-filter partition (17) and includes a display (3) that is to be transirradiated. The surfaces of the housing walls (11), situated about the display aperture (2), and partitions (17) are aselectively diffusely-reflecting in design, for example by the application of a white coating. The opposite surface of the transparent partition (17) bears a coloured coating (18), possibly with regional grading of its light transmittancy. The light penetrating through the partition (17) is coloured as a result of the coating and mixes with the light, generated directly behind the display aperture (2), into an extremely uniform, diffuse background illumination, the colour mixture or colour intensity and brightness of which is adjustable by the control ...

Multi-functional active matrix liquid crystal displays

A direct view display provides a light modulating panel and a backlight including first and second sets of spectral emitters. The first set of spectral emitters generate a first light bundle and the second set of spectral emitters generate a second light bundle. Several modes of operation may be provided including (1) an advanced 2D mode, (2) an enhanced color gamut mode employing simultaneous illumination of the first and second set of spectral emitters, (3) a privacy screen mode, (4) a channel multiplexed mode, and (5) a stereoscopic image mode. The latter three modes utilize the first and second set of spectral emitters to alternately illuminate a portion of the light modulating panel. Images and representations generated by the direct view display operating in the latter three modes are viewed using appropriate eyewear having filters with passband characteristics to transmit the respective light bundle.

Reflective color display with backlighting

A reflective color pixel has a top surface for receiving ambient light for front lighting, a plurality of sub-pixels including a first sub-pixel, and a waveguide disposed underneath the sub-pixels for transmitting light for backlighting to the sub-pixels. The first sub-pixel includes a first luminescent material configured to absorb either the ambient light or the light for backlighting and generate light of a first color.

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.

Liquid crystal display apparatus having illumination function

A liquid crystal display apparatus includes a liquid crystal display panel to display images; a backlight unit disposed behind the liquid crystal display panel; and a chassis unit configured to accommodate the liquid crystal display panel and the backlight unit, and to emit at least some of light provided by the backlight unit behind the liquid crystal display apparatus.

Light source module and display apparatus

A display apparatus including a display panel and a light source module is provided. The display panel displays an image frame according to a light beam. The light source module provides the light beam to the display panel. The light source module includes a light emitting device, a lens module, a reflection device, and a light emitting surface. The light emitting device provides the light beam. The lens module is disposed in a transmission path of the light beam and adjusts the light beam to be focused or dispersed. The reflection device receives the light beam passing from the lens module and reflects the light beam to the light emitting surface. The lens module includes a lens disposed in the transmission path of the light beam and moves relative to the light emitting device to adjust a viewing angle of the light emitting surface.

Viewing angle control device and display apparatus

A viewing angle control device including a plurality of first polarizing portions and a plurality of transmissive portions is provided. The first polarizing portions are arranged along a first direction and extended in a second direction. The transmissive portions and the first polarizing portions are alternately arranged. Each of the first polarizing portions has a width in the first direction and a height in a direction perpendicular to the first direction and the second direction. A ratio of the height to the width of the first polarizing portion is greater than 1. A display apparatus adopting the viewing angle control device is also provided. The viewing angle control device and the display apparatus provided herein have a filter effect at a large viewing angle, improved light transmittance in the viewing angle direction, and excellent anti-peeping performance.

Display device

A light extraction efficiency is increased in a display device having a plurality of display elements. The display device includes a first display element and a second display element over the first display element, and the first display element has a convex-concave shape. The convex-concave shape overlaps with a first opening provided in a reflective electrode of the second display element. A user can see an image that combines the display from the first display element and the display from the second display element. The convex-concave shape increases the light extraction efficiency of the first display element. The second display element is electrically connected to a transistor through a second opening provided in any layer of the first display element. The second display element can be provided close to the first display element.

Optical layer, display device including the same and backlight unit

An optical layer may include a barrier. The barrier may include slits arranged in the barrier so that vertically neighboring slits from among the slits are connected to each other. The slits are configured to transmit light through the barrier.

Glass strip as a seal

An emissive display system includes an electro-optic device having a first substantially transparent substrate including first and second surfaces. At least one of the first and second surfaces includes a first electrically conductive layer. A second substantially transparent substrate includes third and fourth surfaces, at least one including a second electrically conductive layer. A primary seal between the second and third surfaces includes a first epoxy layer and a second epoxy layer. A gasket is disposed between the first and second epoxy layers. The seal and the first and second substrates define a substantially hermetic cavity therebetween. An electro-optic medium is disposed in the cavity and is variably transmissive such that the electro-optic device is operable between substantially clear and darkened states. A substantially transparent light emitting display is disposed adjacent to the electro-optic device, which is converted to the darkened state when the light emitting display is emitting light.

Backlight module and liquid crystal display

A backlight module includes a light guide plate including a light incident surface having first and second light incident sections and a light propagation track that extends from the first light incident section into the light guide plate and delimits a light propagation path and is formed with an opening. A light bar includes first and second light sources respectively corresponding to the first and second light incident sections to allow light to enter the light propagation path to be reflected by the light propagation track for outward emission and allow light to enter the light guide plate for outward emission from the light emission surface. A control circuit is electrically connected to the first light source and the second light source for controlling ON/OFF states of the first light source and the second light source thereby allowing for displaying in a sectionized fashion.

Hybrid reflective-emissive image display

Reflective image displays use minimal power but have limited use in low ambient conditions. Emissive image displays are intrinsically reflective and must use significantly more power in high ambient light conditions to optimize the image quality which greatly limits the battery life. To date no single display technology has been able to provide excellent image quality in all ambient lighting conditions. The embodiments described herein involves the efficient hybridization of controlled reflection with controlled efficient emission to improve both the practicality and the overall performance of the display.

Backlight unit and liquid crystal display device and gaming machine including same

A gaming machine includes: a liquid crystal panel; a backlight unit which is disposed behind the liquid crystal panel; and one or more reels which are disposed behind the backlight unit and on which a plurality of symbols are displayed. The backlight unit includes: a light switch plate which is formed such that a predetermined area corresponding to a symbol selection area where selected symbols among the plurality of symbols displayed on the reel can be selectively turned to be transparent or nontransparent using a polymer dispersed liquid crystal; a half mirror which is disposed behind the light switch plate; a first light source which is disposed in front of the half mirror and emits light passing through the light switch plate and progressing forward; and a second light source which is disposed behind the half mirror and emits lights.

PRIVACY DISPLAY AND DUAL-MODE PRIVACY DISPLAY SYSTEM

A privacy display provides a private image exclusively visible within a viewing cone of a viewbox. The privacy display includes a light guide to guide light, a diffraction grating configured to diffractively couple out a portion of the guided light as diffractively coupled-out light and to direct the diffractively coupled-out light into the viewbox, and a light valve array configured to modulate the diffractively coupled-out light to provide the private image. An extent of the viewbox is determined by a collimation factor of the guided light. A dual-mode privacy display system further includes a broad-angle backlight configured to provide broad-angle light to separately provide a public image visible both inside and outside the viewing cone. The private image may be provided in a privacy mode and the public image may be provided in a public mode of the dual-mode privacy display system. 1. A privacy display comprising:a light guide configured to guide light within the light guide as guided light having a predetermined collimation factor;a diffraction grating at a surface of the light guide, the diffraction grating being configured to diffractively couple out a portion of the guided light from the light guide as diffractively coupled-out light and to direct and concentrate the diffractively coupled-out light into a viewbox; anda light valve array configured to modulate the diffractively coupled-out light to provide a private image within the viewbox,wherein the predetermined collimation factor of the guided light within the light guide is selected to determine an extent of the viewbox, the private image being configured to be exclusively visible within the viewbox.2. The privacy display of claim 1 , wherein principal light beams of the diffractively coupled-out light are directed toward a middle of the viewbox.3. The privacy display of claim 1 , wherein the viewbox is a two-dimensional viewbox located in a plane parallel to the light guide surface claim 1 , and ...

Display panel, display and displaying method

Embodiments of the present disclosure provide a display panel, a display and a displaying method. The display panel includes: a first base substrate and a second base substrate arranged to be opposite to each other; a liquid crystal layer between the first base substrate and the second base substrate; and a light emitting device layer for emitting light, a grating layer of partial light transmission and a light converting layer arranged at a side of the second base substrate facing towards the first base substrate.

Advanced lep display mode, architectures and methodologies for display compensation

A display having a variably controlled backlight and/or driver is disclosed. The backlight includes a first light source that emits light within a first spectral power distribution and has a first radiant power output. A second light source emits light within a second spectral power distribution matched to an optical filter for producing a perceived chromaticity and luminosity matching the perceived display appearance without the optical filter.

Backlight module and display device comprising the backlight module

A backlight module and a display device comprising the backlight module, the backlight module, including: a backlight source, including a plurality of backlight lamps ( 5 ); and a backlight source control device, including: a backlight source driving device, configured to provide a driving signal to the backlight source; a 2D/3D backlight switching unit; and a first switch, connected with the 2D/3D backlight switching unit, wherein the 2D/3D backlight switching unit ( 4 ) is configured to control switching-on and switching-off of the first switch while a displaying mode is switched between a 2D displaying mode and a 3D displaying mode, and the backlight source driving device is directly connected with a part of the plurality of backlight lamps of the backlight source, and the remaining backlight lamps in the backlight source are connected with the backlight source driving device via the first switch. By flexibly controlling over the backlight source, the brightness of the backlight source can be flexibly controlled while a display device is switched between the 2D displaying mode and the 3D displaying mode.

LIQUID CRYSTAL CELL AND SELF-LUMINOUS DISPLAY DEVICE

The present application discloses a liquid crystal cell and a self-luminous display device. The present application realizes that the liquid crystal cell is switched between a transparent state and a non-transparent state. Transparent display devices with liquid crystal cells can better output panel information in the non-transparent state and can also realize effects of transparency of the transparent display devices in the transparent state, which further expands application scenarios of the transparent display devices. 1. A liquid crystal cell , comprising:a first alignment film, a second alignment film, a first conductive glass substrate, and a second conductive glass substrate;wherein an alignment direction of the first alignment film and an alignment direction of the second alignment film form an included angle, and the included angle ranges from 0 to 180 degrees;wherein the first conductive glass substrate and the second conductive glass substrate are oppositely disposed and constitute a closed space, the first alignment film is disposed on a side of the first conductive glass substrate facing the second conductive glass substrate, the second alignment film is disposed on a side of the second conductive glass substrate facing the first conductive glass substrate, and the closed space is filled with a mixed solution comprising liquid crystal molecules and dichroic dye molecules; andwherein the dichroic dye molecules are vertically deflected with the liquid crystal molecules when a driving voltage is applied between the first alignment film and the second alignment film, and the dichroic dye molecules are aligned parallel to the first conductive glass substrate with the liquid crystal molecules when no driving voltage is applied between the first alignment film and the second alignment film.2. The liquid crystal cell according to claim 1 , wherein a proportion of the dichroic dye molecules in the mixed solution ranges from 0.5 to 10 wt %.3. The liquid crystal ...

Interlaced liquid crystal display panel and backlight used in a head mounted display

A liquid crystal display (LCD) device is driven in interlaced scan to accommodate for liquid crystal (LC) setting times without sacrificing brightness. The LCD device includes an LCD panel including a first group of (e.g., even) pixel lines and a second group (e.g., odd) pixel lines, a backlight disposed behind the LCD panel to emit light toward the even and odd pixel lines, a shift grating disposed between the LCD and the backlight, the shift grating configured to block the light from the backlight from reaching either the first group of pixel lines or the second group of pixel lines, and a controller. The controller drives the LCD panel using an interlaced scan, coordinates the activation of the backlight (e.g., a strobed backlight), and changes the state of the shift grating to block the light from the backlight from reaching either the first group of pixel lines or the second group of pixel lines.

Display device and method

Disclosed is an image display device and an image display method thereof that may generate a plurality of directional lights based on a number of views of an input image by using a variable scattering feature of a variable scattering layer included in a backlight unit, and may output a multi-view image by using the generated plurality of directional lights.

Display apparatus and method for control thereof

A display apparatus includes a display panel, a light guide plate disposed under the display panel, a first reflective sheet disposed under the light guide plate, an edge type backlight including a plurality of light emitting diodes disposed on at least one side surface of the light guide plate, a top view type backlight including at least one light emitting diode disposed under the light guide plate at a position corresponding to a partial area of the display panel, and a processor configured to turn on one of the edge type backlight and the top view type backlight according to a display mode, wherein an area corresponding to the top view type backlight of the first reflective sheet is formed of a material having a greater refractive index than the light guide plate.

Display unit and electronic apparatus

There is provided a display unit that achieves more favorable image. This display unit includes: an illumination unit including a light-guiding plate; and a display section adhered to the light-guiding plate to face the light-guiding plate, and performing image display by utilizing light from the light-guiding plate. The light-guiding plate has first and second internal reflection surfaces facing each other. At least one of the first and second internal reflection surfaces is provided with a plurality of scattering regions that scatter first illumination light from outside and allow scattered light travelling from the first internal reflection surface towards the display section to be emitted.

Displays With Adjustable Angles-of-View

A display may have a backlight unit that provides backlight illumination. The backlight unit may include a light guide that distributes light throughout the display and an electrically adjustable lens array. The lens array may have lenses such as liquid lenses or liquid crystal lenses. By adjusting the lenses in the lens array, the angles of rays of backlight from the backlight unit may be adjusted to adjust the angle-of-view of the display. The angle-of-view of the display may also be adjusted using an electrically controllable filter layer. The electrically controllable filter layer may have a liquid crystal layer or a polymer dispersed liquid crystal layer that can be controlled using electrodes. When the electrodes apply signals to the electrically controllable filter layer, portions of the filter layer change to a dark or translucent state and restrict the angle-of-view of the display.

BACKLIGHT MODULE, LIGHT GUIDE PLATE, AND PREPARATION METHOD FOR CONDUCTIVE HYDROGEL OF LIGHT GUIDE PLATE

Backlight module, light guide plate, and preparation method for conductive hydrogel thereof. Main body of light guide plate is optical-glass material. Cavity is provided in light guide plate, filled with conductive hydrogel. Either end of light guide plate is provided with electrode electrically connected to conductive hydrogel in cavity. When not electrified, conductive hydrogel is in liquid state, when electrified, conductive hydrogel in cavity changes to gel state. Microcrystal particles are added to conductive hydrogel to improve light refection function and light diffuse reflection function of light guide plate and backlight module, to allow more light rays to penetrate through light guide plate to improve luminous efficacy. Addition of quantum dots or fluorescent powder to conductive hydrogel can further increase color gamut of backlight, such that liquid crystal display device has better effect. 1. A light guide plate , wherein a main body of the light guide plate is made of an optical-glass material , the light guide plate has a built-in cavity , the cavity is filled with a conductive hydrogel , and each end of the light guide plate has an electrode arranged to connect electronically to the conductive hydrogel in the cavity; the conductive hydrogel is in a liquid state when it is not electrified , and becomes a colloidal state when the conductive hydrogel in the cavity is electrified.2. The light guide plate according to claim 1 , wherein after the light guide plate is electrified and the conductive hydrogel forms a colloidal state before starting to work claim 1 , heat of a section of the light guide plate close to a light source is increased claim 1 , making an end of the light guide plate away from the light source and an end close to the light source form a temperature difference.3. The light guide plate according to claim 1 , wherein the conductive hydrogel has a plurality of tiny crystal particles added to enhance a function of the light guide plate in ...

Backlight module, driving method thereof and display apparatus

One or more embodiments of this specification provide a backlight module, a driving method thereof, and a display apparatus. The backlight module includes a back plate provided with a plurality of recessed portions and raised portions alternately distributed in sequence; a reflective layer provided on an inner wall of the recessed portion; a first light source provided at a bottom of the recessed portion; and a second light source provided on the raised portion.

Edge Type Backlight Module and Liquid Crystal Display Device

The invention discloses an edge type backlight module. The edge type backlight module includes: a back frame having at least one sidewall and at least one bottom plate; a light guide plate disposed on the bottom plate and having a light incident side surface, wherein the light incident side surface is opposite to the sidewall; and a plurality of first backlight sources and a plurality of second backlight sources, wherein the first backlight sources are disposed on the sidewall, the second backlight sources are disposed on the bottom plate and against the sidewall, the first backlight sources and the second backlight sources are alternately disposed, the first backlight sources include a plurality of first LED lamps, and the second backlight sources include a plurality of second LED lamps. The invention also discloses a liquid crystal display device having the edge type backlight module. The COF of the invention is disposed on a portion of the second backlight sources with a lower temperature, so that the COF is in a lower temperature condition, thereby improving its reliability.

Peep preventing device, method of manufacturing peep preventing device, and display apparatus

Embodiments of the present disclosure disclose a peep preventing device. The peep preventing device includes first electrodes and a transparent insulating body on a transparent substrate. The insulating body has recesses, the first electrodes are located in the recesses, respectively, and an area of a section, taken along a plane parallel to the transparent substrate, of each recess gradually reduces in a direction away from the transparent substrate. The peep preventing device further includes transparent second electrodes each of which includes a second electrode sidewall portion covering a sidewall of one of the recesses. Closed spaces are defined between the insulating body and the second electrodes and the transparent substrate, and electrophoretic liquids are contained in the closed spaces, respectively, and contain reflective charged particles adapted to adhere to the second electrodes when a first electric field is applied between the first electrodes and the second electrodes.

Display apparatus and illumination unit

An illumination unit of an embodiment of the present technology includes: an illumination optical system configured to generate illumination light; and a plurality of lenses configured to reduce a divergence angle of the illumination light. The illumination optical system includes: a light source ( 20 ) configured to apply light onto an end surface of one of a first substrate and a second substrate; and a light modulation layer ( 30 ) provided in a gap between the first substrate and the second substrate. The illumination optical system includes an electrode configured to generate an electric filed that generates, in the light modulation layer ( 30 ), a plurality of linear scattering regions ( 30 B) in a three-dimensional mode, and to generate an electric field that generates, in the light modulation layer, a planar scattering region in a two-dimensional display mode. The lenses are arranged side by side in a direction in which the linear scattering regions extend, and are also arranged side by side in a direction intersecting with the direction in which the linear scattering regions extend.

Mode-switchable backlight, privacy display, and method employing emitter arrays

A mode-switchable backlight and privacy display provide narrow-angle emitted light during a first mode and broad-angle emitted light in a second mode, the broad-angle emitted light being a combination of the narrow-angle emitted light and bidirectional emitted light. The mode-switchable backlight includes a first directional backlight and a second directional backlight. The first directional backlight includes an array of narrow-angle emitters configured to provide the narrow-angle emitted light during both of the first mode and second mode, while the second directional backlight includes an array of bidirectional emitters configured to provide the bidirectional emitted light exclusively during the second mode. The mode-switchable privacy display includes an array of light valves configured to modulate the narrow-angle emitted light during the first mode and to modulate broad-angle emitted light during the second mode.

Liquid crystal display backlight

A backlight layer to be operatively coupled with an LCD panel, the backlight layer comprising: an illumination source configured to illuminate the LCD panel; a dual-mode infrared filter configured to filter an infrared spectrum of light emanating from the illumination source, wherein: when the dual-mode infrared filter is in an enabled mode, the dual-mode infrared filter is positioned in the path of the light emanating from the illumination source and before the light reaches the LCD panel, thereby filtering an infrared spectrum of the light, and when the dual-mode infrared filter is in a disabled mode, the dual-mode infrared filter is positioned out of the path of light emanating from the illumination source, thereby allowing a complete spectrum of the light to reach the LCD panel.

Electronic Device Display With Switchable Film Structures

An electronic device may generate content that is to be displayed on a display. The display may have an array of liquid crystal display pixels for displaying image frames of the content. The display may be operated in at least a normal viewing mode, a privacy mode, an outdoor viewing mode, and a power saving mode. The different view modes may exhibit different viewing angles. In one configuration, the display may include a switchable phase retarder that can be selectively activated to help reduce contrast ratios at higher viewing angles. A rotated pixel design that includes one or more groups of parallel fingers can be used to help properly align the low contrast regions. In another configuration, the display may include multiple electrically controlled birefringence (ECB) layers that can be selectively activated to provide a desired cone of vision, a region outside of which exhibits substantially reduced contrast ratios.

Transmitter, transmitting method, and receiving method

An apparatus is provided that includes a light source, a memory storing a visible light signal, a control circuit configured to control change in luminance of the light source in accordance with the visible light signal, and a receiver configured to receive another visible light signal, which rewrites over the visible light signal, by a communication method that is different from a visible light communication. The control circuit determines whether the visible light signal is rewritten by the another visible light signal or not when the receiver receives the another visible light signal, and the visible light signal is rewritten by the another visible light signal when the control circuit determines the visible light signal is rewritten by the another visible light signal. The control circuit controls the change in luminance of the light source to transmit the another visible light signal.

Screen for a free and a restricted viewing mode

An illuminating apparatus for a screen operable in at least two operating modes, viz B 1 for a free viewing mode and B 2 for a restricted viewing mode. The illuminating apparatus comprising: a backlight with a planar extension radiating light in a restricted angular range; a plate-shaped light guide that is, in a viewing direction, arranged in front of the backlight and with outcoupling elements one of the large surfaces and/or within its volume. The light guide is transparent to at least 70% of the light emitted by the backlight and light sources are arranged laterally at the edges of the light guide. Various parameters are specified for the number of outcoupling elements per unit area and for their extension, and in operating mode B 2 , the backlight is switched on and the light sources are switched off. In operating mode B 1 at least the light sources are switched on.

Dual-mode liquid crystal display device, color filter substrate and array substrate

A dual-mode liquid crystal display device, a color filter substrate and an array substrate are provided. The display device comprises: a color filter substrate, an array substrate assembled with the color filter substrate, and a liquid crystal layer between the color filter substrate and the array substrate. The pixel area of the array substrate comprises red, green, blue and white sub-pixels; and the color filter substrate or the array substrate is provided with a fluorescent layer at the position corresponding to the white sub-pixels.

2차원/3차원(2d/3d) 전환가능 디스플레이 백라이트 및 전자 디스플레이

2차원/3차원(2D/3D) 전환가능 디스플레이 백라이트 및 2D/3D 전환가능 전자 디스플레이는 2D/3D 전환을 지원하기 위해 전환가능 디퓨저를 채용한다. 2D/3D 전환가능 디스플레이 백라이트는 플레이트 광 가이드, 플레이트 광 가이드로부터 광을 아웃커플링하기 위한 멀티빔 회절 격자 및 아웃커플링된 광의 광빔을 가로채거나 선택가능하게 통과시키거나 산란시키기 위한 전환가능 디퓨저를 포함한다. 2D/3D 전환가능 전자 디스플레이는 백라이트를 포함하고 아웃커플링된 광을 변조하기 위한 광 밸브 어레이를 더 포함한다. 전환가능 디퓨저는 2D/3D 전환가능 전자 디스플레이의 3차원 픽셀과 2차원 픽셀 간에 선택가능성을 용이하게 한다.

Switchable backlight unit

Embodiments for a backlight unit are provided. In one example, a backlight unit comprises a light guide configured to receive light at a first light interface located at an end of the light guide and output light via a second light interface located at a face of the light guide, and a plurality of light sources configured to inject light into the light guide at the first light interface. The example backlight unit also comprises a graded index film configured to receive light from the second light interface of the light guide, homogenize received light that is incident on the graded index film from within a range of acceptance angles and not homogenize light incident on the graded index film from outside of the range of acceptance angles, and direct the homogenized light toward an eye box.

Head up display with adjustable transparency screen

This invention is directed to an improved head up display system where the image of the display is projected onto a transparent or semitransparent screen having a high-speed, adjustable transparency to compensate for changing ambient light conditions.

Two-dimensional/three-dimensional (2d/3d) switchable display backlight and electronic display

A two-dimensional/three-dimensional (2D/3D) switchable display backlight and a 2D/3D switchable electronic display employ a switchable diffuser to support 2D/3D switching. The 2D/3D switchable display backlight includes a plate light guide, a multibeam diffraction grating to couple light out of the plate light guide and the switchable diffuser to intercept and selectably either pass or scatter light beams of the coupled-out light. The 2D/3D switchable electronic display includes the backlight and further includes a light valve array to modulate the coupled-out light. The switchable diffuser facilitates selectability between a three-dimensional pixel and a two-dimensional pixel of the 2D/3D switchable electronic display.

Illumination apparatus

Автомобильный дисплей на лобовом стекле

Изобретение относится к электронной технике, более конкретно к дисплеям на лобовом стекле автомобиля. Дисплей на лобовом стекле автомобиля включает размещенные последовательно вдоль оптической оси светодиодную подсветку, состоящую по меньшей мере из одного светодиода с пиковой длиной волны голубого излучения 475-490 нм, систему оптических пленок, включающую диффузно рассеивающую и растровые призматические пленки, предназначенные для обеспечения равномерности излучения подсветки, и составную (зонированную) композитную фотолюминесцентную пленку, содержащую в прозрачной основе фотолюминофоры для конверсии голубого светодиодного излучения в зелено-голубое излучение для зоны отображения дополненной реальности и красное излучение для зоны отображения предупреждающей информации, монохромный жидкокристаллический дисплей, линзу Френеля, проецирующую с увеличением изображение, сформированное на жидкокристаллическом дисплее, в пространство перед лобовым стеклом автомобиля. Технический результат заключается в уменьшении вредного воздействия излучения дисплея на организм водителя и пассажиров автомобиля, упрощении конструкции, повышении надежности и эффективности дисплея на лобовом стекле автомобиля. 3 з.п. ф-лы, 6 ил., 1 табл. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 732 340 C1 (51) МПК G02B 27/01 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК G02B 27/0101 (2020.02); G02B 2027/0118 (2020.02) (21)(22) Заявка: 2019115151, 17.05.2019 (24) Дата начала отсчета срока действия патента: 15.09.2020 Приоритет(ы): (22) Дата подачи заявки: 17.05.2019 (45) Опубликовано: 15.09.2020 Бюл. № 26 (56) Список документов, цитированных в отчете о поиске: EP 1793261 B1, 12.08.2009. WO 2007090824 A1, 16.08.2007. US 2018373115 A1, 27.12.2018. 2 7 3 2 3 4 0 Дата регистрации: (73) Патентообладатель(и): Общество с ограниченной ответственностью "Научно-технический центр "Биолюмен" (ООО "НТЦ "Биолюмен") (RU) R U 17.05.2019 (72) Автор(ы): Уласюк ...

Schaltbare beleuchtungseinrichtung und deren verwendung

Die Erfindung betrifft eine Beleuchtungseinrichtung (1), die in mindestens zwei Betriebsarten (B1) für einen freien Sichtmodus und (B2) für einen eingeschränkten Sichtmodus betrieben werden kann. Sie umfasst eine flächenartig ausgedehnte Hintergrundbeleuchtung (2), die in der Betriebsart (B2) Licht in einen eingeschränkten Winkelbereich abstrahlt. Ein in Betrachtungsrichtung vor der Hintergrundbeleuchtung (2) gelegenes, plattenförmiges optisches Element (3), und Leuchtmittel (4), die seitlich an dem optischen Element (3) angeordnet sind. Das optische Element (3) ist als Lichtleiter ausgebildet, welcher aus einem Matrixkunststoff A und darin homogen verteilten Streupartikeln aus einem Polymerisat B besteht. Der Lichtleiter ist für das von der Hintergrundbeleuchtung (2) ausgehende Licht zu mindestens 80% transparent. Das aus den Leuchtmitteln (4) seitlich in das optische Element (3) einfallende Licht wird für einen freien Sichtbereich abgestrahlt, wobei in der Betriebsart (B2) die Hintergrundbeleuchtung (2) ein- und die Leuchtmittel (4) ausgeschaltet sind, und wobei in der Betriebsart (B1) die Leuchtmittel (4) ein- und die Hintergrundbeleuchtung (2) ausgeschaltet ist. Im Zusammenspiel mit einem transmissiven Bildgeber (5) vor der Beleuchtungseinrichtung (1) kann somit ein Bildschirm zur wahlweise freien oder eingeschränkten Sicht gestaltet werden.

ELECTRONIC DEVICE

According to one embodiment, an electronic device includes a liquid crystal panel and a camera. The liquid crystal panel includes a display area, an incident light control area, and an emitted light control area. The camera includes a light-entering surface and a light source. The liquid crystal panel is configured to selectively transmit visible light emitted from the light source in the emitted light control area and to selectively transmit visible light from outside in order to cause visible light to enter the camera from the outside in the incident light control area.

Privacy Display and Dual-Mode Privacy Display System

프라이버시 디스플레이는 뷰박스의 뷰잉 콘 내에 독점적으로 보이는 개인 이미지를 제공한다. 프라이버시 디스플레이는 광을 가이드하는 광 가이드, 회절적으로 커플링-아웃된 광으로서 가이드된 광의 일부를 회절적으로 커플링 아웃시키며, 회절적으로 커플링-아웃된 광을 뷰박스로 지향시키도록 구성된 회절 격자 및 회절적으로 커플링-아웃된 광을 변조하여 개인 이미지를 제공하도록 구성된 광 밸브 어레이를 포함한다. 뷰박스의 범위는 가이드된 광의 시준 인자(collimation factor)에 의해 결정된다. 듀얼-모드 프라이버시 디스플레이 시스템은 광각 광을 제공하여 뷰잉 콘의 내부 및 외부 모두에 보이는 공용 이미지를 개별적으로 제공하도록 구성된 광각 백라이트를 더 포함한다. 개인 이미지는 듀얼-모드 프라이버시 디스플레이 시스템의 프라이버시 모드에서 제공될 수 있고, 공용 이미지는 공용 모드에서 제공될 수 있다. The privacy display provides a private image that is viewed exclusively within the viewing cone of the viewbox. The privacy display comprises a light guide guiding light, diffractively coupling out a portion of the guided light as diffractively coupled-out light, and configured to direct the diffractively coupled-out light to the viewbox. a diffraction grating and an array of light valves configured to modulate the diffractively coupled-out light to provide a personal image. The range of the viewbox is determined by the collimation factor of the guided light. The dual-mode privacy display system further includes a wide angle backlight configured to provide a wide angle light to individually provide a common image visible both inside and outside the viewing cone. The private image may be provided in the privacy mode of the dual-mode privacy display system, and the public image may be provided in the public mode.

Display apparatus and control method thereof

본 발명은, LCD패널과, 상기 LCD패널을 조명하는 백라이트와, 상기 백라이트에 구동전원을 공급하며 상기 백라이트의 조도를 조절하는 인버터를 갖는 디스플레이장치 및 그 제어방법에 관한 것이다. 본 디스플레이장치는, 주위조도와 입력영상신호의 휘도분포데이터 중 적어도 어느 하나에 따른 상기 백라이트의 조도조절 기능을 선택하기 위한 선택부와; 입력영상신호의 휘도분포데이터를 검출하는 휘도분포데이터검출부와; 주위 조도를 감지하기 위한 주위조도감지부와; 상기 선택부를 통한 선택에 따라, 상기 주위조도감지부를 통해 감지된 주위조도와 상기 휘도분포데이터검출부를 통해 검출된 휘도분포데이터 중 적어도 어느 하나에 기초한 밝기 정도를 판단하고, 판단된 밝기 정도에 따라 상기 백라이트의 조도를 조절하도록 상기 인버터를 제어하는 제어부를 포함하는 것을 특징으로 한다. 이에 의하여, 사용자의 선택에 따라, 주위조도와 입력되는 영상신호의 휘도분포데이터 중 적어도 어느 하나의 밝기정도에 기초하여 백라이트의 조도를 자동으로 조절함으로써 최적의 화질을 구현할 수 있다. The present invention relates to a display device having a LCD panel, a backlight for illuminating the LCD panel, an inverter for supplying driving power to the backlight and adjusting the illuminance of the backlight, and a control method thereof. The display apparatus includes: a selection unit for selecting an illuminance control function of the backlight according to at least one of ambient illuminance and luminance distribution data of an input image signal; A luminance distribution data detector for detecting luminance distribution data of the input image signal; Peripheral illuminance sensing unit for detecting the ambient illuminance; According to the selection through the selection unit, the brightness degree based on at least one of the ambient illuminance detected through the ambient illuminance detection unit and the luminance distribution data detected by the luminance distribution data detection unit is determined, and according to the determined brightness degree And a controller for controlling the inverter to adjust illuminance of the backlight. As a result, according to the user's selection, an optimum image quality may be realized by automatically adjusting the illuminance of the backlight based on at least one of the luminance and the luminance distribution data of the input image signal.

可切换背光单元

提供了用于背光单元的各实施例。在一个示例中，背光单元包括：光导，其被配置成在位于该光导的端处的第一光接口处接收光并经由位于该光导的面处的第二光接口输出光；以及多个光源，其被配置成在第一光接口处将光注入光导。该示例背光单元还包括梯度折射率膜，其被配置成从光导的第二光接口接收光、使从接受角范围内入射在梯度折射率膜上的接收到的光均匀化并且不使从接受角范围外入射在梯度折射率膜上的光均匀化、以及将经均匀化的光定向到眼框。

背光模组及显示装置

本发明公开了一种背光模组及显示装置，以使显示装置的视角可调，从而使显示装置可以应用在多种场合，提升其使用的灵活性。背光模组包括具有容置空间的背板、位于背板的容置空间内的多个光源组件，位于多个光源组件前侧的光学膜片，其中：背板的内底具有多个散射凹坑结构；光源组件包括LED灯条，LED灯条的LED的发光角度小于40度，LED灯条能够转动至LED朝向背板内底及转动至LED朝向光学膜片。

Screen for free and limited operating mode

본 발명은 적어도 2 개의 작동 모드들, 자유 보기 모드를 위한 B1 및 제한 보기 모드를 위한 B2에서 작동될 수 있는 스크린(1)에 관한 것이다. 이 스크린(1)은 작동 모드들 모두에서, 즉 작동 모드(B1)에서 제한되지 않는 각 범위로, 또한 작동 모드(B2)에서 제한된 각 범위로 광을 방출하는 평면 방식으로 연장되는 백라이트(2)를 포함한다. 투과성 이미저(5)는 보기 방향에서 보았을 때 백라이트(2) 앞에 배치된다. 광원들(4)은 보기 방향으로 이미저(5)의 능동적 이미지 디스플레이 영역 외부에 배치되고, 또한 투명한 열가소성 또는 열탄성 물질 및 그 안에 분포되는 산란 입자들로 구성되는 판상 광 안내(3)는 보기 방향에서 보았을 때 이미저 앞에 배치된다. 작동 모드(B1)에서, 광원들(4)은 스위치 오프되어, 백라이트(2)로부터 발생하고 그후 이미저(5)를 통과한 광은 본질적으로 영향받지 않고 광 안내(3)를 통과한다. 작동 모드(B2)에서, 상기 광원들(4)은 스위치 온되어, 백라이트(2)에 의해 제한된 각 범위로 방사되고 이미저(5)를 통과한 광은 광 안내(3)로부터 광의 방사로 인해 보기 공간으로 확산 및/또는 직접적으로 반사 또는 다시 산란되거나 및/또는 넓은 각 범위로 평면 방식으로 보기 공간 내로 방사되는 광에 의해 중첩된다. 따라서, 이미저(5) 상에 나타나는 이미지의 잔여 가시성은 이 제한된 각 범위 외부에서 감소된다. The invention relates to a screen (1) which can be operated in at least two operating modes, B1 for free view mode and B2 for restricted viewing mode. The screen 1 has a backlight 2 extending in a planar manner that emits light in all of the operating modes, i.e., the angular range not limited in the operating mode B1, and in the angular range limited in the operating mode B2, . The transmissive imager 5 is disposed in front of the backlight 2 when viewed in the viewing direction. The light sources 4 are disposed outside the active image display area of the imager 5 in the viewing direction and the plate-like light guide 3, which is also comprised of transparent thermoplastic or thermoelastic material and scattering particles distributed therein, When viewed from the direction, it is already placed in front of me. In the operating mode Bl the light sources 4 are switched off resulting from the backlight 2 and thereafter the light which has passed through the imager 5 passes essentially through the light guide 3 without being influenced. In the operating mode B2 the light sources 4 are switched on so that the light emitted by the backlight 2 in an angular range limited by the backlight 2 and passing through the imager 5, Or superimposed by light that is diffused and / or ...

光源模块

一种光源模块，包括一光学膜片以及至少一光源单元。光源单元与光学膜片围设出一空间。光源单元包括一反射元件、至少一发光条以及一聚光单元。反射元件配置于光学膜片下方。发光条包括多个发光元件，发光元件沿一第三方向排列。聚光单元沿一平行于第三方向的方向延伸。聚光单元包括一上反射部以及一相对于上反射部的下反射部。下反射部邻近反射元件的一端至发光元件的光轴在一第二方向上的最短距离定义为一第一半出光宽度。第一半出光宽度沿着第三方向自聚光单元的一中央处向两侧渐增。本发明的光源模块具有薄光腔、高亮度以及高均匀度的优点。

显示装置及用于控制其的方法

一种显示装置包括：显示面板、布置在显示面板之下的导光板、布置在导光板之下的第一反光片、包括布置在导光板的至少一个侧表面上的多个发光二极管的边缘型背光、包括在与显示面板的局部区域对应的位置布置在导光板之下的至少一个发光二极管的顶视型背光、以及被配置为根据显示模式来开启边缘型背光和顶视型背光之一的处理器，其中，与第一反光片的顶视型背光相应的区域由折射率大于导光板的材料形成。

Liquid crystal display device and mobile station having the same

본 발명에 따른 액정표시장치는, 투과형 액정패널; 투과형 액정패널의 전면부에 위치되며, 영상 표시를 위한 빛을 공급하는 프론트 라이트 유닛(front light unit); 투과형 액정패널의 후면부에 위치되며, 입사되는 빛을 반사 또는 투과시키는 광조절수단; 을 포함한다. Liquid crystal display device according to the present invention, a transmissive liquid crystal panel; A front light unit positioned in a front portion of the transmissive liquid crystal panel and supplying light for displaying an image; Located in the rear portion of the transmissive liquid crystal panel, the light adjusting means for reflecting or transmitting the incident light; It includes. 또한, 본 발명에 따른 액정표시장치의 다른 예는, 투과형 액정패널; 투과형 액정패널의 전면부에 위치되며, 영상 표시를 위한 빛을 공급하는 프론트 라이트 유닛(front light unit); 투과형 액정패널의 후면부에 위치되며, 입사되는 빛을 반사 또는 투과시키는 광조절수단; 을 포함하여 구성되며, 투과형 액정패널에서 투과되는 빛을 광조절수단에서 재반사시킴으로써 투과형 액정패널의 전면부에 영상을 표시하는 제 1 디스플레이 모드 및 투과형 액정패널에서 투과되는 빛을 광조절수단에서 투과시킴으로써 투과형 액정패널의 후면부에 영상을 표시하는 제 2 디스플레이 모드의 양방향으로 영상을 표시한다. In addition, another example of the liquid crystal display device according to the present invention, a transmissive liquid crystal panel; A front light unit positioned in a front portion of the transmissive liquid crystal panel and supplying light for displaying an image; Located in the rear portion of the transmissive liquid crystal panel, the light adjusting means for reflecting or transmitting the incident light; And a first display mode for displaying an image on the front side of the transmissive liquid crystal panel and the light transmitted through the transmissive liquid crystal panel by reflecting light transmitted from the transmissive liquid crystal panel by the light adjusting means. The image is displayed in both directions of the second display mode in which the image is displayed on the rear surface of the transmissive liquid crystal panel.

시야각 선택형 백 라이트 유닛

본 발명은 액정 표시장치에서 보안 모드와 일반 모드를 선택할 수 있는 시야각 선택 백 라이트 유닛에 관한 것이다. 본 발명에 의한 백 라이트 유닛은, 도광 필름, 출광 소자, 제1 광원, 광 시준 소자를 포함한다. 도광 필름은, 일측변에 정의된 광 입사부, 광 입사부와 대향하는 타측변으로 연장되는 광 전달부 및 일측 표면 위에 정의된 광 출사부를 구비한다. 출광 소자는, 광 출사부 위에 배치된다. 제1 광원은 광 입사부에 인접하여 배치된다. 광 시준 소자는, 제1 광원과 대향하여 광 입사부 위에 배치되며, 제1 광원으로부터 확산광을 입사 받아 시준광으로 변환하여 광 입사부로 제공한다.

液晶表示装置

Liquid crystal display device

액정 표시 장치(100)는, 제 1 백라이트 유닛(1)과 제 2 백라이트 유닛(2)을 갖는다. 제 1 백라이트 유닛(1)은, 제 2 백라이트 유닛(2)으로부터 입사한 광을 투과시킴과 아울러, 광원(3A, 3B)으로부터 출사된 광을 협각 배광 분포를 갖는 광으로 변환하여 액정 표시 패널(10)의 배면을 향해서 방사하는 제 1 광학 부재(4, 5D)를 포함한다. 제 2 백라이트 유닛(2)은, 광원(6A, 6B)으로부터 출사된 광을 광각 배광 분포를 갖는 광으로 변환하여 액정 표시 패널(10)의 배면을 향해서 방사하는 제 2 광학 부재(7)를 포함한다. The liquid crystal display device 100 includes a first backlight unit 1 and a second backlight unit 2. The first backlight unit 1 transmits the light incident from the second backlight unit 2 and converts the light emitted from the light sources 3A and 3B into light having a narrow angle distribution. A first optical member 4, 5D that radiates toward the back of 10). The second backlight unit 2 includes a second optical member 7 that converts light emitted from the light sources 6A and 6B into light having a wide-angle light distribution and emits toward the rear surface of the liquid crystal display panel 10. do.

디스플레이 장치 및 이동 단말기

픽셀별로 선택적으로 빛을 투과시키는 액정패널; 상기 액정패널의 배면에 위치하는 도광판; 상기 도광판의 일측 측면에 인접하여 나란히 배치되는 복수개의 엘이디를 포함하며, 상기 도광판의 일측 측면에서 빛을 공급하는 광원 어레이; 상기 도광판의 타측 측면에 위치하며 상기 도광판을 따라 이동하여 상기 타측 측면에 도달한 빛을 반사시키는 미러; 및 상기 도광판의 배면에 형성되며, 이웃하는 면과 각도가 상이한 복수개의 면을 포함하는 계단형 요철을 포함하고, 상기 도광판은 일측에서 타측방향으로 두께가 두꺼워지는 것을 특징으로 하는 디스플레이 장치에 관한 것이다.

Liquid crystal display and the transfer table with this liquid crystal display

一种LCD，包括：透射式液晶板；前光单元，放置在该透射式液晶板前面并且为图像显示提供光；以及光控制单元，放置在该透射式液晶板背面并且使入射光反射或透射。一种移动台，包括：LCD，该LCD具有透射式液晶板、放置在该透射式液晶板前面并且为图像显示提供光的前光单元、以及放置在该透射式液晶板背面并且使入射光反射或透射的光控制单元；通信单元，用于与外部进行通信；以及控制单元，控制该通信单元和该LCD的图像显示。

Display device and electronic device using the same

Backlight source, display panel and display device

本发明提供一种背光源、显示面板和显示装置。该背光源包括至少一个光源，还包括光线方向变换部，光线方向变换部设置在光源的出光侧，用于以至少两种不同的光线方向变换模式改变光源发出光线的传播方向。该背光源，通过在光源的出光侧设置光线方向变换部，能够以至少两种不同的光线方向变换模式改变光源发出光线的传播方向，从而使该背光源的背光方向能够实现至少两种模式的改变，进而使采用该背光源的显示装置的能够实现至少两个显示视角的切换，满足了观众在不同场景下的观看需求。采用该背光源的显示面板和显示装置，能够实现至少两个显示视角的切换，从而满足了观众在不同场景下的观看需求。

Display and electronic device equipped with same

将偏振片130设置在TN液晶140的上侧，将光散射层150、偏振光分离器160、偏振片170及光源190设置在TN液晶140的下侧。偏振光分离器160使从上侧入射的光中沿透射轴方向的线偏振光分量透过，使沿与其正交的反射轴方向的线偏振光分量反射。在外部光照射下，非电压施加部120呈白色，电压施加部110呈暗状态。在光源点亮的情况下，非电压施加部120变暗，电压施加部110变亮。偏振光分离器160和偏振片170被配置得使偏振光分离器160的透射轴与偏振片170的透射轴偏移规定角度θ，同时与偏振片170的吸收轴偏移规定角度θ’。

Color membrane substrates, array substrate, the control method of display device and display device

本发明实施例涉及一种彩膜基板、阵列基板、显示装置及显示装置的控制方法。该彩膜基板包括基板；以及设置在基板上的红色光阻、绿色光阻、蓝色光阻和白色光阻，其中，白色光阻包括分散在其内或表面上的发光颗粒，该发光颗粒在入射光的激发下能够发出黄光。本公开实施例提供的彩膜基板应用于显示装置时，能够提高显示装置的透过率，从而降低功耗，同时增加显示装置的色域范围，从而改善显示装置的色彩表现能力。

Transflective liquid crystal display device

본 발명은 반사투과형 액정표시장치에 관한 것으로, 상세히 설명하면 반사부와 투과부를 포함하는 화소전극과 게이트배선과 데이터배선이 형성된 하부기판에서, 상기 화소전극의 반사부와 상기 게이트배선과 데이터배선을 포함하는 폐구부와 상기 화소전극의 투과부인 개구부로 구성된 하부기판에 부착된 편광판에 상기 폐구부에 해당하는 부분에 반사층을 형성하여 백라이트로부터 입사되는 빛이 상기 폐구부에 반사되어 상기 편광판에 흡수되지 않고 상기 반사층에 의해 반사되어 상기 투과부로 입사되도록 함으로서, 액정표시장치의 휘도를 높이는 효과가 있다.

Electronic device

本发明公开一种电子装置，其包括盖板、光控制面板、光学指纹感应器以及第一光源。第一光源位于盖板的同一侧，从而用于指纹感应的第一光源，提供具有半衰角在±15°之间的光。

Optical system with variable viewing angle

Illuminating display with light gathering structure

A display mirror assembly having a housing. An electro-optic element is disposed within the housing. A light gathering structure is operably coupled with a first side of the electro-optic element and is configured to draw ambient light from outside the housing. A display module is disposed within the housing and is operable between an on state and an off state. A light relaying structure is operably coupled with a second side of the electro-optic element and is configured to relay light from the electro-optic element to a first edge of the display module. A backlit module is disposed at a second edge of the display module.

Liquid crystal display

Vehicle information displays

The present invention relates to information display assemblies and various covert displays using the same.

Vehicle information displays

The present invention relates to information display assemblies and various covert displays using the same.

Electric optical apparatus, driving method of electric optical apparatus, electronic equipment and driving method of electronic equipment

유기 일렉트로루미네선스 표시 장치의 밝은 곳에서의 시인성(視認性)이 나쁨, 또한 그 시인성을 향상시키기 위해 휘도를 증가시키도록 한 때의 소비전력 증가의 문제를 해결한다. The problem of the increase in power consumption when the visibility of the organic electroluminescent display in the bright place is poor and the brightness is increased to improve the visibility is solved. 박막 트랜지스터에 의해, 어두운 곳에서는 유기 일렉트로루미네선스 표시 소자의 발광량이 제어되고, 밝은 곳에서는 액정 표시 소자의 광 투과량이 제어된다. 면적 계조 방식을 사용하여 부화소마다 스태틱 랜덤 액세스 메모리를 구비한다. 박막 트랜지스터에 저온 다결정 실리콘 박막 트랜지스터가 사용되고, 유기 일렉트로루미네선스 표시 소자에 발광 폴리머가 사용되고, 반사형 액정 표시 소자에 슈퍼 트위스트 네마틱 액정이 사용된다. By the thin film transistor, the light emission amount of the organic electroluminescent display element is controlled in a dark place, and the light transmission amount of the liquid crystal display element is controlled in a bright place. A static random access memory is provided for each subpixel using an area gray scale method. Low temperature polycrystalline silicon thin film transistors are used for thin film transistors, light emitting polymers are used for organic electroluminescent display elements, and super twisted nematic liquid crystals are used for reflective liquid crystal display elements.

Display device

Transflective display having full color OLED blacklight

Disclosed is a conventional organic light emitting diode (OLED) having one reflective electrode in combination with at least one transparent OLED in stacked configuration functioning as backlighting in a transflective display apparatus such as a liquid crystal display (LCD). Preferably, at least two transparent OLEDs are arranged in a stacked configuration with one conventional OLED, each of the three OLEDs emitting light of a different bandwidth. The reflective electrode located behind the backlight also serves as a reflecting plate for the display. This arrangement enhances reflectivity and permits color sequencing in the transmissive mode, allowing all the components of a full color display (i.e. red, green, blue) to emit through the same pixel without the need for a color filter.

Viewing Angle Controlling Film, Backlight Unit using the same and Display Device using the same

본 발명은 투과율이 변환되지 않는 영역 및 투과율이 변환되는 영역을 포함하고, 상기 투과율이 변환되는 영역은 소정 파장대의 광에 반응하여 투과율이 변환되고 상기 소정 파장대 이외의 파장대의 광에는 반응하지 않는 투과율 변환부로 이루어진 시야각 조절 필름, 및 그를 이용한 백라이트 유닛과 표시 장치에 관한 것으로서, 본 발명에 따르면, 시야각 조절 필름이 소정 파장대의 광에 반응하여 투과율이 가역적으로 변환되는 투과율 변환부를 구비함으로써, 시야각 조절 필름을 표시 패널에서 탈부착하지 않으면서도 표시 장치의 시야각을 용이하게 조절할 수 있다. The present invention includes a region in which transmittance is not converted and a region in which transmittance is converted, wherein the region in which transmittance is converted has transmittance converted in response to light in a predetermined wavelength band, and transmittance that does not respond to light in a wavelength band other than the predetermined wavelength band A viewing angle control film comprising a conversion unit, and a backlight unit and a display device using the same, According to the present invention, since the viewing angle control film is provided with a transmittance converting unit for reversibly converting transmittance in response to light in a predetermined wavelength band, it is possible to easily adjust the viewing angle of the display device without attaching or detaching the viewing angle control film from the display panel.

Display apparatus and method for controlling the same

一种显示装置包括：显示面板、布置在显示面板之下的导光板、布置在导光板之下的第一反光片、包括布置在导光板的至少一个侧表面上的多个发光二极管的边缘型背光、包括在与显示面板的局部区域对应的位置布置在导光板之下的至少一个发光二极管的顶视型背光、以及被配置为根据显示模式来开启边缘型背光和顶视型背光之一的处理器，其中，与第一反光片的顶视型背光相应的区域由折射率大于导光板的材料形成。

Photoelectronic device and its drive method and electronic equipment and its drive method

解决有机电发光元件显示装置中的在明亮处的视觉性差,以及为了使其视觉性提高而使亮度增加时的耗电量增加的问题。通过薄膜晶体管,在暗处对有机电发光显示元件的发光量进行控制,在明亮处对液晶显示元件的光透射量进行控制。采用面积灰度方式,针对每个副像素设置静态随机存取存储器。薄膜晶体管采用低温多晶硅薄膜晶体管,有机电发光显示元件采用发光聚合物,反射型液晶显示元件采用超扭曲向列液晶。

Method of backlighting of display panel and display panel system therefor

(57)【要約】 【課題】 太陽光線で照らされている状況の中で、ディ スプレイ画面上の情報をハッキリ読み取ることができる ようなディスプレイ・パネルの背面照明方法を提供す る。 【解決手段】 裏面と表面を有する、ディスプレイ・パ ネル（２０）において、太陽光線（７２）は、ディスプ レイ・パネル（２０）外部の周囲を取り囲んでいる窓 （６０）を通り、パラボラ形の鏡面（６６）により、レ ンズ・システム（６４）の方に反射される。レンズ・シ ステム（６４）は、反射した太陽光線（７６）に焦点を 結ばせ、焦点を結んだ光線（７８）をディスプレイ・パ ネル（２０）の背面に向け、ＬＣＤパネル（２０）を背 面から照明する。この背面照明により、ディスプレイ・ パネル（２０）の表面上の表示をハッキリ読み取ること ができる。

Screens for Free View and Limited View Modes

본 발명은 적어도 2 개의 작동 모드들, 즉 자유 보기 모드를 위한 B1, 및 제한 보기 모드를 위한 B2에서 작동될 수 있는 스크린(1)에 관한 것이다. 스크린(1)은 이미지 디스플레이 유닛(2), 보기 방향에서 보여질 때 상기 이미지 디스플레이 유닛(2) 앞에 배치되는, 판상의, 투명한 광 가이드(3), 및 상기 광 가이드(3)의 모서리들에 측면으로 배치되는 광원들(4)을 포함한다. 이러한 스크린을 가지고, 상기 이미지 디스플레이 유닛(2)은 상기 보기 방향에서 보여질 때 상기 광 가이드(3) 뒤에 배치되고, 상기 광 가이드(3)는 ASTM D1003에 따라 측정된, 20%보다 적은 헤이즈 값을 가진다. 작동 모드 B1에서 상기 광원들(4)이 스위치 오프되어, 상기 이미지 디스플레이 유닛(2)으로부터 발생하는 광이, 그 위에 변조된 이미지 정보와 함께, 상기 광 가이드(3)에 필수적으로 영향받지 않고 지간다. 제 1 대안에서, 이들의 농도에 관하여 및/또는 공간 내 상기 광 가이드(3)에 분포된 산란 입자들(5)로 인해, 또는 상기 광 가이드(3)의 큰 면들 중 적어도 하나 상에 형성되거나 배치된 아웃커플링 요소들로 인해, 광-방사 특성은, 상기 광 가이드(3)의 적어도 하나의 큰 면에 수직한 표면에 대하여 각 α (0°≤α≤θ, 10°≤θ≤60°)에서 측정된, 평균 휘도가 상기 수직한 표면에 대하여 α > θ에서 방사되는, 상기 광 가이드(3)의 동일한 큰 면(F1) 상에서의 최대 측정가능한 휘도보다 적어도 인자 X (X≥1.2) 만큼 더 적도록 생성된다. 제2 대안에서, 상기 이미지 디스플레이 유닛(2)은 상기 이미지 디스플레이 유닛(2)에 수직한 표면의 방향에서 달성되는 휘도가 상기 수직한 표면에 대하여 각 α≥θ에서 달성되는 것보다 더 큰 광-방사 특성을 가진다. 이로써, 작동 모드 B2에서, 상기 이미지 디스플레이 유닛(2)으로부터 발생하는 광은, 그 위에 변조된 이미지 정보와 함께, 넓은 각 범위에서, 상기 광 가이드(3)의 표면에 의해 방사되는 광에 의해 중첩되고, 이로써 시야 각들 α> θ으로부터, 상기 이미지 디스플레이 유닛(2) 상에 나타나는 이미지 정보의 가시성은 감소되거나 또는 방지된다. The invention relates to a screen (1) which can be operated in at least two modes of operation, namely B1 for free viewing mode and B2 for limited viewing mode. The screen 1 is placed on the image display unit 2, a plate-shaped, transparent light guide 3, and corners of the light guide 3, which are disposed in front of the image display unit 2 when viewed in the viewing direction. Light sources 4 arranged laterally. With this screen, the image display unit 2 is disposed behind the light guide 3 when viewed in the viewing direction, the light guide 3 having a haze value of less than 20%, measured according to ASTM D1003. Has In the operation mode B1 the light sources 4 are switched off so that the light generated from the image display unit 2, together with the image information modulated thereon, is not necessarily affected by the light guide 3. Goes. In a first alternative, due to their ...

A kind of liquid crystal display panel and its display methods and liquid crystal display device

本发明提供了一种液晶显示面板及其显示方法和液晶显示装置。通过与各电极连接的控制模块控制电极的电压，使液晶层形成液晶透镜，将入射到液晶层的光线汇聚至第一基板的遮光层上。从而可以在暗态显示时通过将光线汇聚，使得在遮光层宽度减小的情况下，仍然能够有效避免显示面板暗态漏光。进而通过减小遮光层宽度，可以有效提升显示面板的开口率，增大液晶对光的利用效率。

Mode switchable backlight, privacy display and method employing an array of emitters

一种模式可切换背光和隐私显示器在第一模式期间提供窄角发射光和在第二模式中提供广角发射光，所述广角发射光是所述窄角发射光和双向发射光的组合。所述模式可切换背光包含第一定向背光和第二定向背光。第一定向背光包括被配置为在第一模式和第二模式两者期间提供窄角发射光的窄角发射器阵列，而第二定向背光包括被配置为仅在第二模式期间提供双向发射光的双向发射器阵列。该模式可切换式隐私显示器包括光阀阵列，该光阀阵列被配置为在第一模式期间调制窄角发射光，并且在第二模式期间调制广角发射光。

A kind of back-sight visual system and automobile for automobile

本发明的实施例提供一种用于汽车的后视系统及汽车，涉及显示技术领域，可实现驾驶视野无盲区，并可切换成普通反光镜使用。该后视系统包括摄像装置以及液晶显示装置；所述摄像装置用于获取汽车侧后方的图像，所述液晶显示装置用于实时显示所述摄像装置获取的所述图像；其中，所述液晶显示装置包括背光源模组、液晶显示面板、以及设置在所述背光源模组和所述液晶显示面板之间的半透半反功能层；所述半透半反功能层用于在所述背光源模组开启时，透射所述背光源模组发出的光，在所述背光源模组关闭时，反射外界环境光。用于汽车。

A kind of dual-mode liquid crystal display, color membrane substrates and array base palte

本发明提供一种双模液晶显示装置、彩膜基板及阵列基板，显示装置包括：彩膜基板，与所述彩膜基板对盒的阵列基板，以及所述彩膜基板与所述阵列基板之间的液晶层；所述阵列基板的像素区域包括红、绿、蓝以及白色子像素；其中，所述彩膜基板上或者所述阵列基板上对应于所述白色子像素的位置设置有荧光层。本发明的方案可以实现双模显示，满足使用者使用需求。

Display device using a outside light

本发明涉及一种显示装置包括：一有外部光透过的主体，该主体具有其上形成图像的显示面板；和一可滑动地配合到主体的外盖，其中当外盖滑动使主体暴露时外部光被提供到主体上。相应地，该显示装置可以选择性地使用外部光，比如太阳光或照明光，或背光单元显示图像。

Directional backlight unit and three-dimensional image display apparatus including the same

입체 영상 표시 장치는 지향성 백라이트 유닛과 디스플레이 패널을 포함한다. 입체 영상 표시 장치는 흡수형 와이어 그리드 편광자를 지향성 백라이트 유닛 또는 디스플레이 패널에 채용하여, 지향성 백라이트 유닛의 회절 소자와 디스플레이 패널의 화소 간의 거리가 최소화될 수 있다.

Multi-functional active matrix liquid crystal displays

A direct view display provides a light modulating panel and a backlight including first and second sets of spectral emitters. The first set of spectral emitters generate a first light bundle and the second set of spectral emitters generate a second light bundle. Several modes of operation may be provided including (1) an advanced 2D mode, (2) an enhanced color gamut mode employing simultaneous illumination of the first and second set of spectral emitters, (3) a privacy screen mode, (4) a channel multiplexed mode, and (5) a stereoscopic image mode. The latter three modes utilize the first and second set of spectral emitters to alternately illuminate a portion of the light modulating panel. Images and representations generated by the direct view display operating in the latter three modes are viewed using appropriate eyewear having filters with passband characteristics to transmit the respective light bundle.

Back lit electronic viewfinder

A video camera recorder (10) is provided with a liquid crystal display viewfinder (50) for displaying camera image information, illuminated partly by ambient light (A) and having a control for varying an intensity of illumination to maintain a predetermined luminous intensity and/or color balance. A sensor that can include the camera image collection circuits, senses intensity or color temperature of the ambient light (A) or light emitted by the illuminated display (LCD), and is coupled to a controller (99) that varies the intensity of one or more supplemental light sources (D1, D2) such as LEDs. In a backlighted embodiment, the ambient light (A) and the supplemental light (SUP) are collimated and directed toward the viewer. The ambient light (A) also can be attenuated, to maintain one or both of a predetermined luminous intensity and a predetermined color balance or color temperature of the light emitted from the display (LCD), while minimizing power consumption.

Liquid crystal display apparatus having illuminating function

본 발명의 일 실시예에 따른 액정 표시 장치는, 영상을 표시하는 액정 패널; 상기 액정 패널의 후방에 배치되는 백라이트 유닛; 및 상기 액정 패널과 상기 백라이트 유닛을 수용하며, 상기 백라이트 유닛에 의해 제공된 광의 적어도 일부를 상기 액정 표시 장치의 후방으로 방출시킬 수 있도록 구성된 섀시 유닛;을 포함한다. A liquid crystal display device according to an embodiment of the present invention, a liquid crystal panel for displaying an image; A backlight unit disposed behind the liquid crystal panel; And a chassis unit accommodating the liquid crystal panel and the backlight unit and configured to emit at least a portion of light provided by the backlight unit toward the rear of the liquid crystal display.

Backlight unit and liquid crystal display device and game machine with the same

액정 표시 장치용 백라이트 유닛은, 광원, 상기 광원에서 발산된 광을 가이드하는 제1 도광판, 상기 제1 도광판 뒤에 배치되며 상기 제1 도광판의 미리 설정된 영역과 전후 방향으로 중첩되는 위치 및 전후 방향으로 중첩되지 않는 위치에 선택적으로 놓일 수 있도록 이동 가능하게 설치되는 제2 도광판, 그리고 상기 제2 도광판을 이동시키는 구동력을 제공하는 구동부를 포함한다. 전후 방향으로 두 개의 도광판이 구비되고 뒤쪽의 도광판이 슬라이딩 방식으로 이동하여 앞쪽의 도광판의 미리 설정된 영역과 중첩되거나 중첩되지 않는 위치에 선택적으로 놓일 수 있기 때문에, 게임 머신에 적용하는 경우 미리 설정된 영역을 통해서 후방의 릴이 선택적으로 보이도록 할 수 있다.

2D / 3D (2D / 3D) switchable display backlight and electronic display

Display device using a outside light

A display device using outside light is provided to alternatively use outside light such as sun light and an illumination, or a backlight for displaying images, thereby improving visibility and reducing power consumption. A display device using outside light includes a main body(10) having a display panel(14) for forming images and receiving incident light, and a cover(20) slidably coupled with the main body. The cover has a light guide panel(22) for transmitting light to the main body, a light source(21) for supplying light to the light guide panel, and a first reflection plate(23) for reflecting light advancing to an inside of the light guide panel. When the cover moves from the main body, the light is supplied to the main body.

Viewing angle control film and the back light unit and display device for using the viewing angle control film

视角控制膜以及使用该视角控制膜的背光单元和显示装置。公开了视角控制膜、使用视角控制膜的背光单元以及使用背光单元的显示装置。该视角控制膜包括：第一区域，在该第一区域中，透光率不被转换；以及第二区域，在该第二区域中，透光率被转换，其中，所述第二区域包括透光率转换部，所述透光率转换部被配置成与预定波长范围的光反应以转换所述透光率，而不与除了所述预定波长范围之外的波长范围的光反应。

Variable focal length backlight

背光单元包括波导部件，该波导部件具有第一楔和双折射楔，该双折射楔被置于邻近第一楔并被安排成与第一楔头尾相接，以定义波导部件的界面。双折射楔对传播通过波导部件的在第一偏振状态和第二偏振状态下的光具有不同的折射率。第一楔被配置成以不同于双折射楔的速度传播在第二偏振状态下的光。液晶层被配置成选择性地在第一偏振状态和第二偏振状态之间切换光。提取光栅被配置成以根据光在提取光栅上的入射角建立的发射角从波导部件提取光，该入射角由在第二偏振状态下的光传播通过波导部件时遇到界面的程度来确定。

Integrated imaging display device and backlight module thereof

本发明公开了一种集成成像显示装置及其背光模块，该显示装置包括：可切换背光模块和液晶显示面板，其中，可切换背光模块在至少第一工作模式和第二工作模式中切换，第一工作模式是点光源阵列形成的点阵背光，使得显示装置实现3D显示，第二工作模式是面光源背光，使得显示装置实现2D显示。通过上述方式，本发明能够以通过切换背光模块的工作模式，实现2D/3D显示方式的切换。

Light guide plate, lighting device, electro-optical device, and electronic device

Display device and electronic device

본 발명은, 보다 양호한 영상이 얻어지는 표시 장치를 제공한다. 이 표시 장치는, 도광판을 갖는 조명 장치와, 그 도광판과 대향하여 고착되고, 도광판으로부터의 광을 이용하여 영상 표시를 행하는 표시부를 구비한다. 도광판은, 서로 대향하는 제1 및 제2 내부 반사면을 갖는다. 제1 및 제2 내부 반사면 중 적어도 한쪽에, 외부로부터의 제1 조명광을 산란시켜 제1 내부 반사면으로부터 표시부를 향하는 산란광을 사출하는 산란 에리어가 복수 형성되어 있다.

2D/3D switchable display panel, and display method and display device thereof

本发明公开了一种2D/3D可切换显示面板及其显示方法、显示装置，以解决现有的2D/3D可切换显示面板在2D显示模式下显示效果差的问题。所述2D/3D可切换显示面板，包括可自发光的OLED显示面板和无色阻层的LCD面板，所述LCD面板设置于所述OLED显示面板的显示侧；所述OLED显示面板用于在所述2D/3D可切换显示面板工作于3D显示模式时显示图像，以及用于在所述2D/3D可切换显示面板工作于2D显示模式时作为背光模组；所述LCD面板用于在所述2D/3D可切换显示面板工作于3D显示模式时作为光栅，以及用于在所述2D/3D可切换显示面板工作于2D显示模式时显示图像。

Display device and display method

本发明提供一种显示装置及显示方法，显示装置包括从上至下依次排布的液晶显示屏、光束引导组件和导光板；液晶显示屏包括第一显示区域，以及与所述第一显示区域不同的第二显示区域；导光板上朝向所述光束引导组件方向设置有竖板，竖板将第一光源和第二光源分隔；光束引导组件上构造有用于光线能够自导光板直接照射第二显示区域的避让结构；当液晶显示屏处于第一显示状态下，控制器控制第二光源点亮，以照射第二显示区域使其进行显示；当液晶显示屏处于第二显示状态下，控制器控制第二光源熄灭，以使第二显示区域不显示。本申请所提供的显示装置及显示方法，能够使液晶显示屏具有不同尺寸的显示区域，提高用户体验度。

Electronic device and LC shutter for polarization-sensitive switching between transparent and diffusive states

An electronic device ( 200 ) includes a display ( 202 ) and an LC shutter ( 204 ), at least a portion of which is operatively positioned over the display ( 202 ). The LC shutter ( 204 ) provides switching between a transparent state and a diffusive state with high image integrity, and high transmission in the transparent state. In one embodiment, the electronic device ( 200 ) further includes control logic ( 206 ) operatively coupled to the LC shutter ( 204 ) to provide control signals ( 212 ) to the LC shutter ( 204 ) to effect the transparent state. The LC shutter ( 204 ) includes a first dichroic polarizer ( 300 ), such as a broadband dichroic polarizer, a specular reflective polarizer ( 302 ), such as a broadband reflective polarizer, an LC cell ( 304 ), and a diffusive reflective polarizer ( 306 ). The LC cell ( 304 ) is interposed between the first dichroic polarizer ( 300 ) and the specular reflective polarizer ( 302 ). The diffusive reflective polarizer ( 306 ) is interposed between the LC cell ( 304 ) and the specular reflective polarizer ( 302 ). Related methods are also set forth.

Transmitter, sending method and method of reseptance

不易受到结构上的制约的发送机(100)，是通过使放出的光的光量变化来将信号发送给接收机的发送机，具备：控制部(101)，生成与发送对象的信号相应的控制电压；反射体(102)，反射太阳光；以及液晶板(103)，接收由反射体(102)反射的太阳光即反射光，按照上述的控制电压，使由于该反射光透射而放出到接收机侧的光的光量变化。

Privacy display and dual-mode privacy display system

Bragg grating-based display filtering

A display includes a display modulation layer, a backlight unit configured to generate light for illumination of the display modulation layer, and a filter film disposed between the backlight unit and the display modulation layer. The filter film includes a plurality of Bragg grating sets. Each Bragg grating set is configured to reflect the light in a wavelength-selective and angular-selective manner rearward toward the backlight unit.

Mode-switchable backlight, privacy display, and method employing emitter arrays

A mode-switchable backlight and privacy display provide narrow-angle emitted light during a first mode and broad-angle emitted light in a second mode, the broad-angle emitted light being a combination of the narrow-angle emitted light and bidirectional emitted light. The mode-switchable backlight includes a first directional backlight and a second directional backlight. The first directional backlight includes an array of narrow-angle emitters configured to provide the narrow-angle emitted light during both of the first mode and second mode, while the second directional backlight includes an array of bidirectional emitters configured to provide the bidirectional emitted light exclusively during the second mode. The mode-switchable privacy display includes an array of light valves configured to modulate the narrow-angle emitted light during the first mode and to modulate broad-angle emitted light during the second mode.

Transmission type color liquid crystal display device

Display panel

Light source module and display apparatus