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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 44910. Отображено 100.
05-01-2012 дата публикации

Pixel and organic light emitting display device using the same

Номер: US20120001896A1
Автор: Jin-Tae Jeong, Sam-Il Han
Принадлежит: Samsung Mobile Display Co Ltd

A pixel having an improved response time includes an organic light emitting diode connected between a first power supply and a second power supply; a first transistor connected between the first power supply and the organic light emitting diode, in which a gate electrode is connected to a first node; a second transistor connected between a first electrode of the first transistor connected to the first power supply and a data line, in which a gate electrode is connected to a current scanning line; a third transistor connected between a second electrode of the first transistor connected to the organic light emitting diode and the first node, in which a gate electrode is connected to the current scanning line or a control line; a fourth transistor connected between the second electrode of the first transistor and the organic light emitting diode, in which a gate electrode is connected to a light emitting control line, a fifth transistor connected between a connecting node of the fourth transistor and the organic light emitting diode, and the second power supply or a third power supply that is an initialization power supply, in which a gate electrode is connected to a previous scanning line or the control line; and a storage capacitor connected between the first power supply and the first node.

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Номер записи: 1
06-08-2021 дата публикации

Электромеханическое цветовоспроизводящее устройство для элементов носимой электроники

Номер: RU0000205746U1
Автор: Александра Максимовна Бражникова, Артём Максимович Бражников
Принадлежит: Александра Максимовна Бражникова

Настоящая полезная модель относится к области электротехники, а именно к визуальным средствам отображения информации. И может использоваться в качестве цветовоспроизводящего элемента в составе матриц устройств для отображения информации, а также в качестве устройства индикации в составе комплексов носимой электроники.Электромеханическое цветовоспроизводящее устройство для элементов носимой электроники, состоящее из основания, с установленными на нем электромагнитным приводом и двумя бленкерами, отличающееся тем, что бленкеры выполнены в виде лопастей и расположены коаксиально, один из которых неподвижно прикреплен к основанию, а второй вращается на оси, проходящей через его геометрический центр за счет электромагнитного привода, на основании расположен электронный блок управления электромагнитным приводом, управляемый посредством внешних сигналов, поступающих по интерфейсному проводу, на лицевой панели размещен прозрачный экран, защищающий бленкеры от загрязнений и механических повреждений. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 205 746 U1 (51) МПК G09F 9/37 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК G09F 9/37 (2021.05); G09G 3/32 (2021.05) (21)(22) Заявка: 2021115411, 29.05.2021 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): Бражникова Александра Максимовна (RU) Дата регистрации: 06.08.2021 (45) Опубликовано: 06.08.2021 Бюл. № 22 2 0 5 7 4 6 R U (54) Электромеханическое цветовоспроизводящее устройство для элементов носимой электроники (57) Реферат: Настоящая полезная модель относится к выполнены в виде лопастей и расположены области электротехники, а именно к визуальным коаксиально, один из которых неподвижно средствам отображения информации. И может прикреплен к основанию, а второй вращается на использоваться в качестве оси, проходящей через его геометрический центр цветовоспроизводящего элемента в составе за счет электромагнитного привода, на основании матриц ...

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Номер записи: 2
12-01-2012 дата публикации

Area Sensor and Display Apparatus Provided With An Area Sensor

Номер: US20120007090A1
Автор: Hajime Kimura, Jun Koyama, Masato Yonezawa, Shunpei Yamazaki, Yu Yamazaki
Принадлежит: Semiconductor Energy Laboratory Co Ltd

An area sensor of the present invention has a function of displaying an image in a sensor portion by using light-emitting elements and a reading function using photoelectric conversion devices. Therefore, an image read in the sensor portion can be displayed thereon without separately providing an electronic display on the area sensor. Furthermore, a photoelectric conversion layer of a photodiode according to the present invention is made of an amorphous silicon film and an N-type semiconductor layer and a P-type semiconductor layer are made of a polycrystalline silicon film. The amorphous silicon film is formed to be thicker than the polycrystalline silicon film. As a result, the photodiode according to the present invention can receive more light.

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Номер записи: 3
12-01-2012 дата публикации

Organic light emitting display

Номер: US20120007848A1
Автор: Baek-woon Lee, In-Hwan Ji, Sang-myeon Han, Si-Duk Sung
Принадлежит: Samsung Mobile Display Co Ltd

An organic light emitting display includes a display unit including pixels coupled to scan lines, first control lines, second control lines, and data lines, a control line driver configured to supply a first control signal and a second control signal to the pixels through the first control lines and the second control lines, a first power source driver for applying a first power to the pixels of the display unit, and a second power source driver for applying a second power to the pixels of the display unit. At least one of the first power or the second power is applied to the pixels of the display unit as voltage values having different levels during one frame. The first and second control signals and the first and second powers are concurrently provided to all of the pixels of the display unit.

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Номер записи: 4
19-01-2012 дата публикации

Display, Scan Driving Apparatus for the Display, and Driving Method Thereof

Номер: US20120013588A1
Автор: Kyung-hoon Chung
Принадлежит: Samsung Mobile Display Co Ltd

A scan driving apparatus includes a first driving apparatus connected to a plurality of scan lines and a second driving apparatus connected to the plurality of scan lines. Wherein when one of the first driving apparatus and the second driving apparatus is in a scan enable state such that the plurality of scan lines are applied with a scan signal, the other is in a floating state such that the output terminal is floated. The scan driving apparatus according to the present invention has the function of a shift register for sequentially applying the scan signals and may apply a scan signal of a different waveform which is additionally required. The output terminal of the scan driving apparatus is floated in a period in which a different waveform is necessary such that a scan signal having the different waveform may be applied without influence of the scan signal, thereby realizing a complicated scan signal.

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Номер записи: 5
26-01-2012 дата публикации

Modular led display structure with connecting edge banding to connect each other

Номер: US20120019490A1
Автор: Hsien-Jung Huang
Принадлежит: APA Electronic Co Ltd

A modular LED (Light Emitting Diode) display structure includes full-color LED units to be arranged in a matrix on a flexible PCB, and plurality of protective plates to protect connection between the full-color LED units and the transmission line of the flexible PCB. Also, the edge of the display has a connecting edge banding with a hook to form a track thereunder. The hook can clip the track of another LED module plate for connection to develop a lager LED display. Moreover, by a hanger connecting to the connecting edge banding to simplify the suspending of the LED display. Furthermore, each full-color LED units has a driving chip to enhance the resolution of the LED display.

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Номер записи: 6
26-01-2012 дата публикации

Method and apparatus for power control of an organic light-emitting diode panel and an organic light-emitting diode display using the same

Номер: US20120019506A1
Автор: Gerben Hekstra, Ron LINSSEN, Serve LAMBIE
Принадлежит: Chimei Innolux Corp

A power control method, a power control apparatus, and an OLED display are provided. The method includes the steps of: estimating a voltage value according to image content of an image, the voltage value indicative of a minimal required voltage allowing the OLED panel to display the image; and controlling a voltage generator to adjust a booster voltage provided to the OLED panel according to the estimated voltage value.

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Номер записи: 7
09-02-2012 дата публикации

Light-Emitting Device

Номер: US20120032606A1
Автор: Hiroyuki Miyake, Kei Takahashi, Ryota Fukumoto, Yoshifumi Tanada
Принадлежит: Semiconductor Energy Laboratory Co Ltd

The amplitude of a potential of a signal line is decreased and a scan line driver circuit is prevented from being excessively loaded. A light-emitting device includes a light-emitting element; a first power supply line having a first potential; a second power supply line having a second potential; a first transistor for controlling a connection between the first power supply line and the light-emitting element; a second transistor, which is controlled in accordance with a video signal, whether outputting the second potential applied from the second power supply line or not; a switching element for selecting either the first potential applied from the first power supply line or the output of the second transistor; and a third transistor for selecting whether the first potential or the output of the second transistor which is selected by the switch is applied to a gate of the first transistor.

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Номер записи: 8
09-02-2012 дата публикации

Display device

Номер: US20120032940A1
Автор: Makoto Kohno, Nobuyuki Mori, Seiichi Mizukoshi
Принадлежит: GLOBAL OLED TECHNOLOGY LLC

Noise on a current to be measured is removed. Horizontal power supply lines (PVDD) are arranged in a horizontal direction and supply a current to pixels in respective corresponding horizontal lines. A switch ( 8 ) connects a group of the horizontal power supply lines (PVDD) to a first power supply line (PVDDa) or a second power supply line (PVDDb) disposed outside a pixel region in a switchable manner. Only the horizontal power supply lines (PVDD) in a group to which a pixel to be measured belongs are supplied with power from the second power supply line (PVDDb) so as to measure a current of each pixel in the group, and a current flowing into a power source (PVDDa) connected to a group to which other pixels than the pixel to be measured belong is measured, to thereby calculate a pixel current based on a difference between the two measured currents.

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Номер записи: 9
23-02-2012 дата публикации

Active matrix organic light emitting diode display

Номер: US20120044235A1
Автор: Gyu Hyeong Cho, Hyun Sik Kim, Jae Shin Lee, Jin Yong Jeon, Jun Hyeok Yang, Sang Hyun Cha, Youn Joong Lee
Принадлежит: Korea Advanced Institute of Science and Technology KAIST, Samsung Electro Mechanics Co Ltd

There is provided an active matrix organic light emitting diode display, including a data driver converting pre-prepared correction data into an analog correction signal and generating a driving signal according to the analog correction signal, a selector selecting a charging path for programming, according to the driving signal in a preset programming period and selecting a deterioration detection path in a preset emission period, a pixel unit including an organic light-emitting diode connected between a power supply receiving power and a ground, charging a value corresponding to the correction data according to the driving signal in the programming period, and allowing current to flow to the organic light-emitting diode according to the charged value in the emission period, and an ADC detecting deterioration voltage having deterioration information of the organic light-emitting diode of the pixel unit in the emission period.

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Номер записи: 10
23-02-2012 дата публикации

Display device and driving method thereof

Номер: US20120044270A1
Автор: Alexander Arkhipov, Baek-woon Lee
Принадлежит: Samsung Mobile Display Co Ltd

A display device includes a display panel, a gray scale converter, and a scale factor generator. The display panel includes a plurality of pixels. The gray scale converter is for converting gray levels of pixel data signals of a current frame by multiplying the pixel data signals of the current frame by a scale factor of the current frame. The scale factor generator is for comparing a conversion current value with an overcurrent prevention current value to generate the scale factor of the current frame.

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Номер записи: 11
15-03-2012 дата публикации

Photosensitive circuit and system for photosensitive display

Номер: US20120061556A1
Автор: Chen-Pang Kung, Issac Wing-Tak Chan
Принадлежит: Industrial Technology Research Institute ITRI

A photosensitive circuit is provided. The photosensitive circuit is adapted to a pixel in a pixel array. The photosensitive circuit includes a display element for generating light, transmitting light, or reflecting light, a control circuit coupled to the display element for controlling light intensity of the display element according to a data line and a gate line, and a photosensitive element coupled between the gate line and a read line for generating current at the read line to sense the position of an object according to a reflected light or a shadow from ambient light when light from the display element is reflected by an object or ambient light is shadowed by the object. The control terminal of the photosensitive element is connected to another gate line.

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Номер записи: 12
15-03-2012 дата публикации

Organic light emitting display and method of driving the same

Номер: US20120062623A1
Автор: Do-Ik Kim, Jae-Woo Ryu, Jung-Keun Ahn
Принадлежит: Samsung Mobile Display Co Ltd

A method of driving an organic light emitting display in which a frame is divided into a plurality of sub frames, includes: storing a plurality of bit change values corresponding to emission times in a plurality of lookup tables; selecting one of the lookup tables from among the plurality of lookup tables; measuring and storing emission times of pixels included in the organic light emitting display; extracting one of the bit change values from the selected lookup table corresponding to the emission time of one of the pixels when first data to be supplied to the one of the pixels is input; and changing a bit value of the first data to generate second data to be supplied to the one of the pixels utilizing the extracted bit change value.

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Номер записи: 13
22-03-2012 дата публикации

Light emitting device, drive control method thereof, and electronic device

Номер: US20120068986A1
Автор: Jun Ogura, Yasushi Mizutani
Принадлежит: Casio Computer Co Ltd

The light emitting device comprises at least one data line, at least one pixel, a common electrode, a data driver and an ammeter, The pixel comprises a pixel drive circuit and a light emitting element, in which the pixel drive circuit includes a first transistor electrically connected to the data line and one end of the light emitting element, and the other end of the light emitting element is connected to the common electrode. The ammeter measures the current value of a detection current flowing from the data driver to the ammeter via the data line, the first transistor, the light emitting element of the pixel, and the common electrode when the data driver applies to the data line a first set voltage having such a potential that applies a forward bias voltage between both ends of the light emitting element via the first transistor.

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Номер записи: 14
22-03-2012 дата публикации

Method of uniform distribution for increasing display rate

Номер: US20120069030A1
Автор: SONG Shang
Принадлежит: ZHONGQING DIGITAL EQUIPMENT CO Ltd

A method of uniform distribution for increasing a display rate. For data to be displayed, dividing a complete effective output enable (OE) time that is greater than one serial shift cycle into several unit serial shift cycles and uniformly distributing the effective OE time for display. The method implements the uniform distribution of the display time to the maximum extent by using an OE signal under the condition that the whole display time remains unchanged, thereby increasing effective output number of the uniform distribution, uniformly maintaining a display effect and steadily improving a refresh rate effect, so as to effectively increase a display quality and avoid a significant loss of brightness.

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Номер записи: 15
05-04-2012 дата публикации

Oled display with a current stabilizing device and its driving method

Номер: US20120081034A1
Автор: Chin-Wei Chiang, ying-ju Liu, Yu-Pin Liao
Принадлежит: Winstar Display Co Ltd

An OLED display with a current stabilizing device employs a voltage boosting and current stabilizing device which is coupled between the driving-voltage line of the data driver and the data-power-supply wires to produce an output voltage higher than the driving voltage by boosting the driving voltage of the data driver, and then to maintain the current of the OLEDs at a constant level by performing current limiting, so that the problem of the current-ununiformity caused uneven luminance of the conventional OLED display can be solved, and the possibility that the luminance of the OLED panel will decay in a short period of time is reduce.

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Номер записи: 16
05-04-2012 дата публикации

Multi-line addressing methods and apparatus

Номер: US20120081416A1
Автор: Euan Christopher Smith, Jonathan James Michael Halls, Paul Richard Routley
Принадлежит: Cambridge Display Technology Ltd

This invention relates to methods and apparatus for driving emissive, in particular organic light emitting diodes (OLED) displays using multi-line addressing (MLA) techniques. Embodiments of the invention are particularly suitable for use with so-called passive matrix OLED displays. A method of driving an emissive display, the display comprising a plurality of pixels each addressable by a row electrode and a column electrode, the method comprising: driving a plurality of said column electrodes with a first set of column drive signals; and driving two or more of said row electrodes with a first set of forward bias row drive signals at the same time as said column electrode driving with said column drive signals; then driving said plurality of column electrodes with a second and subsequent sets of column drive signals; and driving said two or more row electrodes with a second and subsequent sets of forward bias row drive signals at the same time as said column electrode driving with said second column drive signals.

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Номер записи: 17
12-04-2012 дата публикации

Pixel circuit and display panel with ir-drop compensation function

Номер: US20120086694A1
Автор: Szu-Heng Tseng, Tze-Chien Tsai
Принадлежит: AU OPTRONICS CORP

A pixel circuit and a display panel with an IR-drop compensation function are disclosed. The display panel includes multiple pixel circuits and multiple compensation circuits. Each of the pixel circuits includes a detecting switch. After a real work voltage of a pixel circuit is transmitted to a corresponding compensation circuit through a corresponding detecting switch, a data transmitted to the pixel circuit is adjusted by the compensation circuit according to a relationship between the real work voltage and an original work voltage.

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Номер записи: 18
26-04-2012 дата публикации

Pixel circuit, driving method thereof, electro-optical apparatus and electronic device

Номер: US20120098874A1
Автор: Takehiko Kubota
Принадлежит: Seiko Epson Corp

A pixel circuit includes a first light emitting element having a first opposite electrode connected to a first power line, a common electrode and a parasitic capacitance C 1 ; and a second light emitting element having a second opposite electrode connected to a second power line, a common electrode and a parasitic capacitance C 2 . A first power potential is supplied to the first power line, and a second power potential is supplied to the second power line. The first and second power potentials change by increasing with a constant gradient from a low first potential to a high second potential in turns, and the first and second light emitting elements emit light in turns by flowing current from the parasitic capacitance C 1 or C 2 to the other light emitting element.

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Номер записи: 19
03-05-2012 дата публикации

Organic light emitting display device

Номер: US20120104939A1
Автор: Ki-Nyeng Kang, Ki-Wook Kim, Wang-Jo Lee, Yong-sung Park
Принадлежит: Samsung Mobile Display Co Ltd

An organic light emitting display device is disclosed. In certain embodiments, the display has improved quality and lower cost because the subpixels of the display are oriented to have their longer sides parallel to the longer sides of the display. With the orientation, during crystallization of the subpixels, laser radiation is projected across the display device in a direction parallel to the short sides of the display device. Accordingly, less expensive laser equipment producing a shorter beam width may be used.

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Номер записи: 20
03-05-2012 дата публикации

Display with emissive and reflective layers

Номер: US20120105384A1
Автор: Richard M. Clayton
Принадлежит: Symbol Technologies LLC

A display comprising includes a reflective panel 104 and a substantially transparent emissive panel 102 . The emissive panel is aligned and positioned over the reflective panel 104 . The emissive panel is operable to have an active pixel region 200 smaller than an active pixel region of the reflective panel 104 . A controller 108 operable to provide first information for display on the reflective panel 104 and second information for display on the emissive panel 102 , wherein the first and second information are coordinated to provide a single composite image to a user.

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Номер записи: 21
03-05-2012 дата публикации

Organic Light Emitting Display

Номер: US20120105420A1
Автор: Sang-Moo Choi
Принадлежит: Samsung Mobile Display Co Ltd

An organic light emitting display includes common coupling units at crossing regions of scan lines and data lines; first pixels at the crossing regions and positioned on an ith horizontal line to be coupled to the common coupling units positioned at the same crossing regions, wherein i is a positive integer; second pixels at the crossing regions and positioned on an (i+1)th horizontal line to be coupled to the common coupling units positioned at the same crossing regions; first control lines coupled to the first pixels; and second control lines coupled to the second pixels.

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Номер записи: 22
03-05-2012 дата публикации

Pixel driving circuit of an organic light emitting diode

Номер: US20120105421A1
Автор: Chien-Ming Nieh, Tsung-Ting Tsai
Принадлежит: AU OPTRONICS CORP

A pixel driving circuit of an organic light emitting diode (OLED) includes a first switch, a first capacitor, a transistor, a second switch, a second capacitor, and an OLED. The operation of the pixel driving circuit includes four stages of reset, threshold voltage compensation, data writing, and emitting. The pixel driving circuit compensates the threshold voltage of the transistor, so the driving current of the OLED is only related to the data voltage and the reference voltage.

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Номер записи: 23
17-05-2012 дата публикации

Display device

Номер: US20120120041A1
Автор: Makoto Kohno, Nobuyuki Mori, Seiichi Mizukoshi
Принадлежит: GLOBAL OLED TECHNOLOGY LLC

Display unevenness is suppressed. A display device includes pixels ( 22 ) arranged in matrix, each including a current-driven type light emitting element (EL) and a drive transistor (Tr 3 ) for supplying a current to the current-driven type light emitting element (EL). The current-driven type light emitting element (EL) is driven by dividing each frame period into a plurality of sub-frame periods for lighting time. The drive transistor is controlled under current write driving using two write currents having a ratio of 1:1/2 N and a sum of the two write currents.

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Номер записи: 24
24-05-2012 дата публикации

Organic electroluminescent display apparatus

Номер: US20120127064A1
Автор: Fujio Kawano, Kiyofumi Sakaguchi, Kouji Ikeda, Noriyuki Shikina, Takanori Yamashita, Tatsuhito Goden
Принадлежит: Canon Inc

Provided is a display apparatus that can select either an “outdoor visibility mode” or a “wide viewing angle mode” or either a “power saving mode” or a “wide viewing angle mode” depending on a user scene; that can also select intermediate states between the two modes; and provide high displayed image quality. An organic electroluminescent display apparatus of the present invention includes a plurality of pixels, an organic electroluminescent element, a data line driver, a pixel circuit, and a gate line driver, in which each pixel includes two organic electroluminescent elements that emit light of the same color, an element with high light-collecting property is disposed over a light emission side of only one of the two organic electroluminescent elements, and units that make a difference in lighting times or drive currents between the two organic electroluminescent elements are included.

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Номер записи: 25
07-06-2012 дата публикации

Organic light emitting diode pixel array

Номер: US20120139819A1
Автор: Tsung-Ting Tsai
Принадлежит: AU OPTRONICS CORP

An organic light emitting diode (OLED) pixel array includes a plurality of first signal lines, a plurality of second signal lines, and a plurality of pixel array units. The pixel array units are arranged in array on a substrate. Each of the pixel array units includes a plurality of OLED pixels. The OLED pixels are connected to the same first signal line and respectively connected to a first portion and a second portion of the second signal lines. At least two of the OLED pixels are located between the first portion and the second portion. A transmittance region is surrounded by the first portion, the second portion, and the OLED pixels, and the first portion and the second portion are respectively located at two opposite sides of the transmittance region.

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Номер записи: 26
07-06-2012 дата публикации

Organic light emitting diode display and method for driving display panel thereof

Номер: US20120139965A1
Автор: Hsueh-Yen Yang, Tze-Chien Tsai
Принадлежит: AU OPTRONICS CORP

An OLED display and a method for driving a display panel thereof are provided. The layout area of each pixel of the OLED display panel is specially designed to be a rectangle in shape, and the pixels are driven in such a manner that each two sub-pixels are taken as a unit to be driven. As such, according to the interaction manner among sub-pixels of the pixels, two sub-pixels can be viewed as one pixel to achieve more pixels within 1 inch in comparison with the conventional panels, which enables the current AMOLED driving circuit designs to be used in specific high resolution applications.

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Номер записи: 27
07-06-2012 дата публикации

Organic Light Emitting Diode Display and Method for Driving the Same

Номер: US20120139977A1
Автор: Hwanjoo Lee
Принадлежит: LG Display Co Ltd

Embodiments of the invention relate to an organic light emitting diode (OLED) display and a method for driving the same. The OLED display includes a data driving circuit configured to output a data voltage to the display panel; a scan driving circuit configured to sequentially output a scan pulse synchronized with the data voltage to a display panel; and a timing controller configured to decide whether or not the multicolor data are inputted, to control the scan driving circuit and the data driving circuit in a normal mode when the multicolor data are inputted, and to control the scan driving circuit and the data driving circuit in a current saving mode when the multicolor data are not inputted.

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Номер записи: 28
14-06-2012 дата публикации

Device and method for tuning color temperature in digital display device

Номер: US20120147061A1
Автор: Kyong-Ho LIM
Принадлежит: LG Display Co Ltd

The present invention relates to method and device for tuning a color temperature in a digital display device, in which variation of color temperatures and color feelings between gradients is reduced for improving a picture quality.

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Номер записи: 29
21-06-2012 дата публикации

Display Device

Номер: US20120153293A1
Автор: Hajime Kimura, Jun Koyama
Принадлежит: Semiconductor Energy Laboratory Co Ltd

There is provided an active matrix EL display device that can display a clear multi gray-scale color display to reduce the shift in the potential caused by the potential drop due to the wiring resistance of a power source supply line, in order to decrease the unevenness in a display region. A plurality of drawing out ports of the power source supply line are arranged. Further, in the wiring resistance between the external input terminal and the pixel portion power source supply line, potential compensation is performed by supplying potential to the power source supply line by a feedback amplifier. Further, in addition to above structure, the power source supply line may be arranged in a matrix.

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Номер записи: 30
28-06-2012 дата публикации

Image display

Номер: US20120162180A1
Автор: Hajime Akimoto, Hiroshi Kageyama, Shigeyuki Nishitani, Shinichi Komura, Toshihiro Sato, Yoshiteru Shimizu
Принадлежит: Japan Display East Inc

An image display is provided with a display area including pixels, each including illuminating means. A control circuit turns the illuminating means of the pixels on and off. A first terminal of a capacitor is connected to an input terminal of the control circuit. An image signal voltage generation circuit generates image signal voltages and a pixel drive voltage generation circuit generates pixel drive voltages for the pixels. A connector is provided for connecting either one of the image signal voltages or the pixel drive voltages to a second terminal of the capacitor. As such, an amount of drive current for the pixels is controlled in accordance with both the pixel drive voltage and the image signal voltage.

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Номер записи: 31
28-06-2012 дата публикации

Signal processing device and display apparatus

Номер: US20120162188A1
Автор: Junichi Yamashita, Katsuhide Uchino
Принадлежит: Sony Corp

A signal processing device includes: a switching element for driving supplying a driving current supplied from a power supply section to a light emitting portion; and a cutoff element cutting off the switching element for driving according to a cutoff signal supplied before a threshold voltage adjusting signal for adjusting a threshold voltage of the switching element for driving is supplied to the switching element for driving from a signal line for supplying the threshold voltage adjusting signal.

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Номер записи: 32
28-06-2012 дата публикации

Organic light emitting display device, driving method thereof, and manufacturing method thereof

Номер: US20120162275A1
Автор: Dong-Wook Park
Принадлежит: Samsung Mobile Display Co Ltd

An organic light emitting diode (OLED) display with improved long range uniformity is disclosed. The OLED display includes an OLED, a first transistor for transmitting a data signal of a voltage level in response to a current scan signal, a second transistor for generating a driving current of the OLED according to the data signal of the voltage level transmitted by the first transistor, a first capacitor for storing the data signal of the voltage level transmitted to the second transistor, and a second capacitor for shielding parasitic capacitor between a gate electrode of the second transistor and a cathode of the OLED.

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Номер записи: 33
12-07-2012 дата публикации

Display device and electronic apparatus

Номер: US20120175647A1
Автор: Junichi Yamashita, Katsuhide Uchino
Принадлежит: Sony Corp

A display device including: a plurality of sub-pixels arranged in a matrix, each including an electro-optical element having a structure in which a display functional layer is sandwiched between an upper electrode and a lower electrode; and an auxiliary interconnect contact in a pixel area in which the plurality of sub-pixels are arranged in a matrix and electrically connecting the upper electrode to an auxiliary interconnect, wherein m (m is an integer equal to or larger than two) sub-pixels adjacent to each other along an arrangement direction of the sub-pixels are regarded as one group, and n (n is a natural number smaller than m) auxiliary interconnect contacts are formed for each group.

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Номер записи: 34
12-07-2012 дата публикации

Display device and method of driving the same

Номер: US20120176422A1
Автор: Shinya Ono
Принадлежит: Panasonic Corp

The display device including pixels has formed therein at least two drive blocks each made up of pixel rows. Each of the pixels includes: a drive transistor; a capacitor element, a luminescence element; and a first switching transistor which causes conduction between the source of the drive transistor and a fixed potential line. Each of the pixels further includes a second switching transistor which connects a pixel in a k-th drive block and a first signal line or a third switching transistor which connects a pixel in a (k+1)-th drive block and a second signal line. A first control line for controlling conduction of the first switching element is connected to each of the pixels in a same one of the drive blocks.

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Номер записи: 35
19-07-2012 дата публикации

Display device and electronic apparatus

Номер: US20120182281A1
Автор: Hideki Sugimoto, Junichi Yamashita, Katsuhide Uchino, Seiichiro Jinta, Tetsuro Yamamoto
Принадлежит: Sony Corp

A sampling transistor in embodiments of the present invention is kept at the on-state with a time width shorter than one horizontal cycle, during the period from the rising of a control pulse supplied from a scanner to the falling of the control pulse, and samples a video signal Vsig from a signal line SL to write the video signal Vsig to a hold capacitor. A sampling transistor T 1 has a double gate structure in which a pair of transistor elements are connected in common. This suppresses change in the threshold voltage of the sampling transistor.

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Номер записи: 36
19-07-2012 дата публикации

Generating still images and video by capture of images projected by light passing through a display screen

Номер: US20120182437A1
Автор: Adrian X. Rodriguez, Clark A. Dudek, David B. Roberts, Phillip D. Jones, Rupal S. Soneji
Принадлежит: International Business Machines Corp

Methods and systems for generating still images and video by capture of images projected by light passing through a display screen are disclosed. According to an aspect, a method includes controlling light emitting components of a display screen to activate in a sequence for displaying a sequence of images. For example, in an organic light emitting diode (OLED) display screen, the method may include controlling a subset of the display screen OLEDs to activate in sequence to display a sequence of images. The displayed sequence of images may appear to a viewer of the display screen to be a still image or a video. The method may control light emitting components different subsets of the LEDs to be activated in the sequence, such that different areas of the display screen display images in each part of the sequence.

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Номер записи: 37
26-07-2012 дата публикации

Display device and electronic system utilizing the same

Номер: US20120188222A1
Автор: Du-Zen Peng, Ping-Lin Liu
Принадлежит: Chimei Innolux Corp

A display device including a pixel unit, a selection unit, and a control unit is disclosed. The pixel unit includes a driving transistor and a capacitor. The driving transistor includes a gate and a source. The capacitor is coupled between the gate and the source. The selection unit selectively transmits a first voltage or a second voltage to the driving transistor. The control unit controls the selection unit and receives the voltage of the source.

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Номер записи: 38
02-08-2012 дата публикации

Image display device

Номер: US20120194501A1
Автор: Shinya Ono
Принадлежит: Panasonic Corp

In an image display device, a transistor formed in each pixel circuit is an N-channel transistor. Each pixel circuit further comprises an enable switch disposed in a current path supplying electric current to a light-emitting element and a supplementary capacitor for controlling changes in voltage of a terminal of a holding capacitor at one end opposite another terminal connected with writing switch. The light-emitting element is connected between the source of a driver transistor for supplying a current to the light-emitting element and a low-voltage side power line, an enable switch is connected between the drain of the driver transistor and a high-voltage side power line, and supplementary capacitor is connected between the drain of driver transistor and a predetermined power line.

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Номер записи: 39
02-08-2012 дата публикации

Display device and method of controlling the same

Номер: US20120194576A1
Автор: Masafumi Matsui, Shinya Ono
Принадлежит: Panasonic Corp

A display device including pixels has formed therein at least two driving blocks each made up of pixel rows, and includes: a signal line driving circuit that outputs a signal voltage to an output line disposed in each of pixel columns; and a selector circuit that provides a signal voltage outputted from the output line to one of a first signal line and a second signal line which are provided in each of the columns, provides a standard voltage from a standard voltage source to one of the two signal lines, and provides the signal voltage and the standard voltage mutually exclusively to the two signal lines. Each of the pixels includes a current control unit and an organic EL element. Pixels in the k-th driving block are connected to the first signal line and pixels in the (k+1)-th driving block are connected to the second signal line.

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Номер записи: 40
23-08-2012 дата публикации

Inspection method

Номер: US20120212475A1
Автор: Hiroshi Shirouzu, Kenichi Tajika
Принадлежит: Panasonic Corp

An inspection method for an active-matrix substrate including the scanning lines, the data lines, the pixels disposed in matrix, and the power lines. The pixel includes: an organic EL device; a drive transistor; a capacitor; a selection transistor having a gate connected to the scanning line and connected between the data line and the gate of the drive transistor, and the guard potential transistor having a gate connected to a source of the selection transistor, a source connected to a drain of the selection transistor, and a drain connected to the power line. The inspection method includes: a writing process for writing a charge in the capacitor; a reading process for reading the written charged from the capacitor; and a holding process for holding the charge for a predetermined period from the end of the writing process to the start of the reading process.

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Номер записи: 41
30-08-2012 дата публикации

DRIVING METHOD FOR IMPROVING STABILITY IN MOTFTs

Номер: US20120218241A1
Автор: Chan-Long Shieh, Gang Yu
Принадлежит: Individual

A method of driving a display device includes providing an array of pixels including rows and columns of pixels, each pixel including a switching/driving transistor circuit and at least one light emitting device. Each row of pixels has a scan line and each column of pixels has a data line. The method further includes defining a frame period during which each pixel in the array of pixels is addressed and dividing the frame period into a write subframe, a display subframe, and a rest subframe. A scan pulse is supplied to each scan line, a data signal to each data line and the light emitting devices are disabled during the write subframe. The light emitting devices are enabled during the display subframe and the switching/driving transistor circuits are disabled. A rest pulse is supplied to all scan lines and the light emitting devices are disabled during the rest subframe.

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Номер записи: 42
06-09-2012 дата публикации

Compensation method and apparatus for light emitting diode circuit

Номер: US20120223655A1
Автор: Chin-Wen Lin, Chuan I Huang, Hsing Yi Wu, Ted-Hong Shinn
Принадлежит: E Ink Holdings Inc

A compensation method for a light emitting diode (LED) circuit including a first transistor, a second transistor, a capacitor, and a LED is illustrated. A first end as a control end of the first transistor is connected to one end of the second transistor and the capacitor, and a second end of the first transistor is connected to the LED. A width to length (W/L) ratio of the second transistor is less than one. An initial control voltage is applied to a control end of the second transistor, and the current output voltage of the LED is correspondingly measured. If a difference between the current output voltage and an initial output voltage exceeds a predetermined value, a compensation voltage, which is a summation of the initial control voltage and the difference, is applied to the control end of the second transistor.

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Номер записи: 43
20-09-2012 дата публикации

Automobile-messaging system having government override capability

Номер: US20120235889A1
Автор: Edward Rappaport, Nancy Rappaport
Принадлежит: Individual

The automobile-messaging system having government override is a messaging system that sits atop a vehicle and of which delivers highly visible messages in both a forward and rearward direction. A front display and rearward display are contained with a triangularly-shaped housing that includes translucent sides that enable sunlight to enter in order to produce electricity with solar cells located on an interior base of the housing. A remote can communicate with either the front or rear display to enable the respective motorist to input a desired message. A government override feature enables the government to commandeer use of the display by emitting a wireless signal that overrides any use of the system, and will display the desired government message. The messaging system is secured atop the vehicle by adhesives, magnets, clips, or clamps. The messaging system is powered via cigarette lighter electric cord, rechargeable batteries, and/or a plurality of solar cells.

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Номер записи: 44
18-10-2012 дата публикации

Light emitting device and method of driving the light emitting device

Номер: US20120261665A1
Автор: Aya Anzai, Keisuke Miyagawa, Mitsuaki Osame, Satoshi Seo, Shunpei Yamazaki, Yoshifumi Tanada
Принадлежит: Semiconductor Energy Laboratory Co Ltd

A light emitting device that achieves long life, and which is capable of performing high duty drive, by suppressing initial light emitting element deterioration is provided. Reverse bias application to an EL element ( 109 ) is performed one row at a time by forming a reverse bias electric power source line ( 112 ) and a reverse bias TFT ( 108 ). Reverse bias application can therefore be performed in synchronous with operations for write-in of an image signal, light emission, erasure, and the like. Reverse bias application therefore becomes possible while maintaining a duty equivalent to that of a conventional driving method.

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Номер записи: 45
08-11-2012 дата публикации

Pixel circuit and display device

Номер: US20120280962A1
Автор: Kazuyoshi Kawabe
Принадлежит: GLOBAL OLED TECHNOLOGY LLC

[Problem to be solved] Obtain a constitution for a data driver which does not easily affected by transistor characteristics. [Solution] A plurality of coupling capacitances 7 is connected to data enable lines which is equipped to at least two set potentials. A plurality of bit transistors 6 which is turned on and off in accordance with the display data of a plurality of bits controls the relation of connection between a plurality of coupling capacitances and data enable lines to control the total capacitance of the said plurality of coupling capacitances. Display element operates in accordance with the voltage accumulated to the total capacitance of the said coupling capacitance according to the difference between the two set potentials equipped to the data enable line. By the operations above, a display is controlled by multi-bit display data per each pixel.

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Номер записи: 46
15-11-2012 дата публикации

Display device and electronic apparatus

Номер: US20120286275A1
Автор: Katsuhide Uchino, Satoshi Tatara
Принадлежит: Sony Corp

A display device has pixels including electro-optical elements and transistors. Each pixel has a metal layer of a gate electrode of the transistor, a semiconductor layer in which a source region and a drain region of the transistor are formed, and a capacitance element formed between the same metal layer as the metal layer of the gate electrode and the semiconductor layer upon application of a voltage to the metal layer.

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Номер записи: 47
06-12-2012 дата публикации

Organic light emitting display and method of driving the same

Номер: US20120306858A1
Автор: June-Young Song
Принадлежит: Samsung Mobile Display Co Ltd

An organic light emitting display and method of driving the display are disclosed. The display is driven with an ith frame and an (i+1)th frame, wherein the (i+1)th frame has a shorter duration than the ith frame. The driving signals for the display are adjusted so that the apparent brightness of the frames is substantially equal.

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Номер записи: 48
27-12-2012 дата публикации

Display device and method of driving the same

Номер: US20120327066A1
Автор: Toshiyuki Kato
Принадлежит: Panasonic Corp

A display device includes an organic EL display unit including plural pixels, a variable-voltage source which supplies a positive electrode supply potential and a negative electrode supply potential to the display organic EL display unit, and an arithmetic circuit which measures an anode potential and a cathode potential of a representative pixel. The variable-voltage source regulates the positive electrode supply potential with respect to the negative electrode supply potential, according to at least the potential difference between the negative electrode supply potential of the variable-voltage source and the cathode potential of the representative pixel, and supply the regulated positive electrode supply potential to the organic EL display unit.

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Номер записи: 49
10-01-2013 дата публикации

Display device and driving method thereof

Номер: US20130009942A1
Автор: Baek-woon Lee, Kyong-Tae Park, Seong-Il Park
Принадлежит: Individual

In a display device, the anode voltage of an organic light emitting element is periodically reset. The control terminal of a driving transistor is periodically reset, and an input data voltage is connected to the control terminal through an input terminal and an output terminal of the driving transistor. As a result, good control over the displayed luminance is achieved. Other features are also provided.

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Номер записи: 50
17-01-2013 дата публикации

Display device and method of driving display device

Номер: US20130016091A1
Автор: Kouhei EBISUNO, Toshiyuki Kato
Принадлежит: Panasonic Corp

A display device includes: a reference voltage setting unit, an organic EL display unit; a monitor wire and sample-and-hold circuit which detect at least one of a high-side potential and a low-side potential applied to at least one pixel inside the organic EL display unit; and a variable-voltage source which regulates at least one of a high-side output potential and a low-side output potential outputted from the reference voltage setting unit. The monitor wire and the sample-and-hold circuit perform the detection of the at least one of the high-side potential and the low-side potential in at least part of an image display period, and the monitor wire and the sample-and-hold circuit do not perform the detection of the at least one of the high-side potential and the low-side potential in a black display period.

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Номер записи: 51
21-02-2013 дата публикации

Organic light emitting display device and method for manufacturing the same

Номер: US20130044095A1
Автор: Ki-Nyeng Kang, Seong-Kweon Heo
Принадлежит: Samsung Mobile Display Co Ltd

An organic light emitting diode (OLED) display includes: a substrate; a first and a second thin film transistor (TFT) both disposed on the substrate and both having an active layer, a gate, a source and a drain electrode. A gate line is connected to the gate electrode of the first TFT, and a data line is connected to the source electrode of the first TFT. A common power source line is connected to the source electrode of the second TFT, intersects the gate line, and is parallel to the data line. A pixel electrode is connected to the drain electrode of the second TFT. An organic emission layer is disposed on the first electrode. A common electrode line is disposed on the organic emission layer. A secondary common power source line is formed with the same material as and is parallel to the common electrode line.

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Номер записи: 52
14-03-2013 дата публикации

Light-emitting component driving circuit and related pixel circuit and applications

Номер: US20130063040A1
Автор: Chih-Hung Huang, Wen-Chun Wang, Wen-Tui Liao
Принадлежит: Wintek Corp

A pixel circuit related to an organic light-emitting diode (OLED) is provided. When signals having appropriate operating waveforms are supplied, the circuit configuration (6T1C) of the pixel circuit keeps a current flowing through an OLED unchanged when the Vth shift of the TFT for driving the OLED changes and eases the impact of a power supply voltage Vdd on the current. Thereby, the luminance uniformity of an OLED display adopting the OLED pixel circuit is greatly improved.

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Номер записи: 53
21-03-2013 дата публикации

Pixel circuit and driving method thereof

Номер: US20130069537A1
Автор: Bo-Jhang Sun, Chin-Hai Huang, Huan-Ting Zhou, Ming-Hung Hu, Ying-Hui Chen
Принадлежит: Chunghwa Picture Tubes Ltd

The disclosure relates to a pixel circuit which includes an LED, a storage capacitor, a driving transistor, and first to third switching transistors. The driving transistor is utilized to control connection/disconnection between a power supply voltage and the LED. The first switching transistor receives a first scanning signal for controlling connection/disconnection between a gate of the driving transistor and the power supply voltage. The second switching transistor receives a second scanning signal for controlling connection/disconnection between the storage capacity and a ground voltage. The third switching transistor receives the first scanning signal for controlling connection/disconnection between the storage capacity and a data voltage. The first scanning signal and the second scanning signal are in antiphase to each other. A driving method thereof is also disclosed.

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Номер записи: 54
28-03-2013 дата публикации

Dual mode organic light emitting device and pixel circuit including the same

Номер: US20130076251A1
Автор: Bo-Ra Lee, Chang-Ho Lee, Hee-Joo Ko, Hyung-Jun Song, Il-Soo Oh, Jin-Young Yun, Jong-hyuk Lee, Se-Jin Cho, Sung-Chul Kim, Young-woo Song
Принадлежит: Samsung Mobile Display Co Ltd

A dual mode organic light emitting device and a pixel circuit including the same are disclosed. The dual mode organic light emitting device includes a cathode formed over a substrate, an electron transport layer (ETL) formed over the cathode, an emission layer formed over the electron transport layer (ETL), and an anode formed over the emission layer, wherein the cathode includes a first metal selected from silver (Ag), aluminum (Al), copper (Cu), and gold (Au) and a second metal having a work function of about 4.0 eV or less, and the first metal and the second metal are present at a weight ratio of about 1:1 to about 1:100.

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Номер записи: 55
04-04-2013 дата публикации

Display Drives Circuits and Techniques

Номер: US20130082912A1
Автор: Euan C. Smith
Принадлежит: Cambridge Display Technology Ltd

A pixel driver architecture for an active matrix OLED display, the pixel driver architecture comprising a voltage-programmed master pixel programming circuit, and a first plurality of current-programmed slave pixel driver circuits, each coupled to said master pixel programming circuit.

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Номер записи: 56
04-04-2013 дата публикации

METHODS AND SYSTEMS FOR FULL-COLOR THREE-DIMENSIONAL IMAGE DISPLAY

Номер: US20130083084A1
Автор: SCOTT Miles L.
Принадлежит:

Methods and systems for displaying full-color three-dimensional imagery are provided. A first color set, having a first color spectrum, is defined to include a first set of LEDs. The first color set is assigned to a first color-coded image perspective. A second color set, having a second color spectrum, is defined to include a second set of LEDs. The second color set is assigned to a second color-coded image perspective. The full-color three-dimensional imagery is caused by activating, alternatively, at least two LEDs of the first color set or the second color set and one LED of a remaining color set and displaying the three-dimensional image based on the first image perspective and the second image perspective. 1. A method of displaying full-color three-dimensional imagery comprising:defining a first color set, having a first color spectrum, to include a first set of LEDs;assigning the first color set to a first color-coded image perspective;defining a second color set, having a second color spectrum, to include a second set of LEDs;assigning the second color set to a second color-coded image perspective;activating, alternatively, at least two LEDs of the first color set or the second color set and one LED of a remaining color set; anddisplaying a three-dimensional image based on the first image perspective and the second image perspective.2. The method of claim 1 , wherein the first color spectrum claim 1 , includes wavelengths corresponding to each of a first red LED claim 1 , a first green LED claim 1 , and a first blue LED.3. The method of claim 1 , wherein the second color spectrum claim 1 , includes wavelengths corresponding to each of a second red LED claim 1 , a second green LED claim 1 , and a second blue LED.4. The method of claim 1 , wherein the first color spectrum is different from the second color spectrum.5. The method of claim 1 , wherein the first color-coded image perspective and the second color-coded image perspective correspond to one of a ...

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Номер записи: 57
11-04-2013 дата публикации

Active-matrix display device, and active-matrix organic electroluminescent display device

Номер: US20130088524A1
Автор: Akira Yumoto
Принадлежит: Individual

An active-matrix display device employs current-programmed-type pixel circuits and performs the writing data to each of pixels on a line-by-line basis. The active-matrix display device having a matrix of current-programmed-type pixel circuits includes a data line driving circuit 15 formed of m current driving circuits (CD) 15 - 1 to 15 - m arranged corresponding to respective data lines 13 - 1 to 13 - m . The data line driving circuit (CD) 15 - 1 to 15 - m holds image data (luminance data herein) in the form of voltage, and then converts the voltage of the image data into a current signal. The current signal is then fed to the data lines 13 - 1 to 13 - m at a time. The image information is thus written on the pixel circuits 11.

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Номер записи: 58
18-04-2013 дата публикации

Organic light-emitting display device

Номер: US20130093652A1
Автор: Jin Hyoung Kim, Kyoung Sik Choi, Seung Tae Kim, Ui Jeong
Принадлежит: LG Display Co Ltd

An organic light-emitting display device includes: an organic light-emitting panel comprising a plurality of pixel regions, each pixel region comprising a scan line and a data line crossing each other, each pixel region further comprising an organic light-emission element and a drive transistor configured to drive the organic light emission element; and a circuit configured to sense a threshold voltage of the drive transistor in a sensing interval and control a light emission of the organic light emission element within the pixel region in a display interval.

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Номер записи: 59
18-04-2013 дата публикации

User interface, appliance of household or industrial type and arrangement of appliances

Номер: US20130093655A1
Автор: Eva Holzgreve, Jochen Holzinger, Marc Tajariol
Принадлежит: Electrolux Home Products Corp NV

The present application in particular is directed to a user interface 1 for an appliance of household or industrial type. The user interface 1 comprises a display unit having a display area 2 with at least one of an active and passive display element 3, 4. The display unit is arranged underneath an at least partially transparent cover 5, at least one preferably elongate and bar shaped, transparent optical element 8 being arranged on the transparent cover 5 on a side averted from the display unit, covering at least partially the display area 2.

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Номер записи: 60
02-05-2013 дата публикации

Display panel, display unit, and electronic unit

Номер: US20130106812A1
Автор: Kiwamu Miura
Принадлежит: Sony Corp

A display panel includes: a plurality of first wirings extending in a row direction; a plurality of second wirings extending in a column direction; and a plurality of pixels each arranged in proximity to an intersection of each of the first wirings and each of the second wirings. Two wirings of the plurality of first wirings or two wirings of the plurality of second wirings are disposed in a common region interposed between two pixels next to each other, and layouts of the respective two wirings in a thickness direction are different from each other at least in a part of each of the layouts.

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Номер записи: 61
02-05-2013 дата публикации

Organic Light Emitting Display

Номер: US20130106817A1
Автор: Byeong Uk Gang, Hong Suk Kim, Ji Eun Lee, Seung Tae Kim
Принадлежит: LG Display Co Ltd

An OLED device is disclosed that enhances display quality by minimizing capacitance deviation between data lines of the OLED device. The capacitance deviation may be minimized by utilizing an expansion portion of a power line of the OLED device. The capacitance deviation may also by minimized by utilizing an overlap pattern that overlaps a plurality of the data lines.

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Номер записи: 62
09-05-2013 дата публикации

Organic electro luminescence display

Номер: US20130113774A1
Автор: JinKoo Chung, Junho Choi, Sang Moo Choi, Seong-Min Kim
Принадлежит: Samsung Display Co Ltd

An organic electro luminescence display is disclosed. In one embodiment, the display includes a substrate, an organic light emitting diode disposed on the substrate and including a pixel electrode, an organic light emitting layer, and a common electrode, a scan interconnection disposed on the substrate and providing a scan signal to the organic light emitting diode. The display may further include a data interconnection disposed on the substrate and providing a data signal to the organic light emitting diode, and a power interconnection disposed on the substrate and providing a power to the organic light emitting diode. The common electrode has an opening which overlaps with at least a portion of the scan interconnection, the data interconnection, and the power interconnection.

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Номер записи: 63
09-05-2013 дата публикации

Display device and driving method thereof

Номер: US20130113843A1
Автор: Shunpei Yamazaki
Принадлежит: Semiconductor Energy Laboratory Co Ltd

Disclosed is a display device including a pixel portion having a plurality of pixels which have a display element and a transmissive portion. The display element includes a light-emitting element which does not transmit external light, while the transmissive portion is arranged to transmit external light. In the display element, a top-emission or bottom-emission type light-emitting element is provided. On the other hand, no light-emitting element or a dual-emission type light-emitting element which possesses an EL layer interposed between two light-transmissive electrodes is provided to the transmissive portion. The emission color of the display element is controlled by a color filter which overlaps with the light-emitting element in the display element, while no color filter is given to the transmissive portion.

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Номер записи: 64
16-05-2013 дата публикации

Display apparatus light emission control method and display unit

Номер: US20130120477A1
Автор: Makoto Matsumoto
Принадлежит: Nichia Corp

A light emission control method controls a display that includes a display portion, a scanning portion, and a driving portion. The display portion includes light emitting elements in a matrix form. The scanning portion is connected to common lines. Each common line is connected to the anode terminals of corresponding elements in corresponding row so that the common lines are scanned. The driving portion is connected to driving lines. Each driving line is connected to the cathodes terminals of corresponding elements in a corresponding column. The driving portion can drive selected elements when the common line corresponding to the selected elements is scanned. The method displays an image in each cycle including frames. All common lines are scanned in each frame. A part of the rows in one frame in one cycle is/are driven. Other part is driven in a frame after the one frame in the one cycle.

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Номер записи: 65
23-05-2013 дата публикации

Scan driver, display device comprising the same, and driving method of scan driver

Номер: US20130127809A1
Автор: Sang-myeon Han
Принадлежит: Samsung Display Co Ltd

A scan driver, a display device including the same, and a driving method of a scan driver are provided. The scan driver includes a signal generator configured to generate and output first signals to output lines sequentially and/or to generate and output second signals to the output lines simultaneously, and a switching unit configured to receive the first signals and/or the second signals from the signal generator and to select a plurality of first scan lines connected to a first group pixels among the plurality of pixels included in a display unit or a plurality of second scan lines connected to a second group pixel different from the first group pixels among the plurality of pixels to output the plurality of first signals or the plurality of second signals as corresponding scan signals.

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Номер записи: 66
13-06-2013 дата публикации

DRIVING CIRCUIT OF A SEMICONDUCTOR DISPLAY DEVICE AND THE SEMICONDUCTOR DISPLAY DEVICE

Номер: US20130147691A1
Автор: KOYAMA Jun, Yamazaki Shunpei
Принадлежит: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

There are provided a driving circuit of a semiconductor display device which can obtain an excellent picture without picture blur (display unevenness) and with high fineness/high resolution, and the semiconductor display device. A buffer circuit used in the driving circuit of the semiconductor display device is constituted by a plurality of TFTs each having a small channel width, and a plurality of such buffer circuits are connected in parallel with each other. 1. A semiconductor device including a display device , comprising:a pixel matrix circuit; anda first gate signal line side driving circuit and a second gate signal line side driver circuit, wherein the pixel matrix circuit is located between the first gate signal line side driving circuit and the second gate signal line side driver circuit, each of the first gate signal line side driving circuit and the second gate signal line side driver circuit including a shift register circuit and a buffer circuit electrically connected with the shift register circuit, the buffer circuit comprising an inverter,wherein the inverter comprises a plurality of n-channel thin film transistors and a plurality of p-channel thin film transistors, andwherein each of the plurality of n-channel thin film transistors is connected in parallel with each other and each of the plurality of p-channel thin film transistors is connected in parallel with each other, andwherein a channel region of the plurality of n-channel thin film transistors and the plurality of p-channel thin film transistors comprises crystalline silicon.2. The semiconductor device according to claim 1 , wherein the semiconductor device is selected from the group consisting of a video camera claim 1 , a still camera claim 1 , a projector claim 1 , a head mount display claim 1 , a car navigation system claim 1 , a personal computer claim 1 , a portable information terminal claim 1 , and a portable phone.3. The semiconductor device according to claim 1 , wherein the ...

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Номер записи: 67
13-06-2013 дата публикации

ORGANIC LIGHT-EMITTING DISPLAY DEVICE WITH DATA DRIVER OPERABLE WITH SIGNAL LINE CARRYING BOTH DATA SIGNAL AND SENSING SIGNAL

Номер: US20130147694A1
Автор: HA Won Kyu, KIM Jin Hyoung, KIM Seung Tae, SHIM Jong Sik
Принадлежит: LG DISPLAY CO., LTD.

An organic light emitting display device having a data line that is used for sending data voltage signals to pixels from a data driver as well as send sensor signals for detecting threshold voltage levels of driving transistors in the pixels at different times. By using the same data line to transmit the data voltage signals and the sensor signals, the number of signal lines in the organic light emitting display can be reduced. The data driver also includes switches for selectively coupling the data line to a driver unit or an analog to digital converter (ADC) unit. 1. An organic light-emitting display device , comprising:a plurality of data lines;a plurality of pixels connected to each of the plurality of data lines; and a driver unit configured to generate a first data voltage signal to operate a pixel and a second data voltage signal;', 'a sensing unit configured to detect a threshold voltage of a driving transistor for controlling current through an organic light emission element in the pixel;', connect the driver unit to the pixel via a data line of the plurality of data lines during first times to transmit the first data voltage signal from the driver unit to the pixel,', 'connect the driver unit to the pixel via the data line during second times to transmit second data voltage signal from the driver unit to the pixel, and', 'connect the sensing unit to the pixel via each of the data line to detect the threshold voltage of the driving transistor during third times., 'a switching unit configured to], 'a data driver comprising2. The organic light-emitting display device of claim 1 , wherein the pixel comprises a first node coupled to a gate of the driving transistor and a second node coupled to the data line.3. The organic light-emitting display device of claim 2 , wherein the second data voltage signal configured to set a voltage difference between the first node and the second node.4. The organic light-emitting display device of claim 1 , wherein the switching ...

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Номер записи: 68
13-06-2013 дата публикации

DISPLAY, METHOD FOR DRIVING DISPLAY, ELECTRONIC APPARATUS

Номер: US20130147695A1
Автор: Uchino Katsuhide, Yamashita Junichi
Принадлежит: SONY CORPORATION

Disclosed herein is a display including, a pixel array section configured to include power feed lines, scan lines disposed along rows, signal lines disposed along columns, and pixels that are disposed at intersections of the scan lines and the signal lines and are arranged in a matrix, each of the pixels including a drive transistor and a light-emitting device, one of a pair of current terminals as source and drain of the drive transistor being connected to the power feed line, and a power supply scanner configured to sequentially switch potential of each power feed line between higher potential and lower potential, wherein the power supply scanner switches the higher potential applied to the power feed line between first higher potential and second higher potential at different levels in a predetermined sequence. 1. A display comprising a pixel array section and a driving section ,the pixel array section configured to includepower feed lines,cathode potential lines,scan lines disposed in a row direction,signal lines disposed in a column direction, anda plurality of pixel circuits, respectively disposed in a matrix arrangement at intersections of the scan lines and the signal lines;respective ones of the pixel circuits including a drive transistor and a light-emitting device, the drive transistor and the light emitting device being disposed within a current path between one of the power feed lines and one of the cathode potential lines,wherein the driving section is configured to drive the pixel array section such that:a voltage between said one of the power feed lines and said one of the cathode potential lines is 15V or higher during at least a light-emission period of the respective pixel circuit, anda voltage between a pair of current terminals of the drive transistor does not exceed 12 V during the light-emission period and a non-light-emission period of the respective pixel circuit.2. An electronic apparatus including the display of .3. A pixel circuit claim 1 ...

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Номер записи: 69
13-06-2013 дата публикации

Multi-functional active matrix organic light-emitting diode display

Номер: US20130147764A1
Автор: Chaji Gholamreza, Tian Baolin
Принадлежит: Ignis Innovation Inc.

A multi-functional active matrix display comprises a transparent front sheet, a semi-transparent layer of light emissive devices adjacent the rear side of the front sheet and forming a matrix of display pixels, and a solar cell layer located behind the light emissive devices for converting both ambient light and internal light7 from the light emissive devices into electrical energy, the solar cell layer including an array of electrodes on the front surface of the solar cell layer for use in detecting the location of a change in the amount of light impinging on a portion of the front surface of the solar cell layer. 1. A multi-functional active matrix display comprisinga transparent front sheet,a semi-transparent layer of light emissive devices adjacent the rear side of said front sheet and forming a matrix of display pixels,a solar panel located behind said light emissive devices for converting both ambient light and light from said light emissive devices into electrical energy, said solar panel including an array of electrodes on at least one surface of said solar panel for use in detecting the location of a change in the amount of light impinging on a portion of the front surface of said solar panel.2. The multi-functional active matrix display of in which said semi-transparent layer of light emissive devices includes a substantially transparent anode adjacent said front sheet claim 1 , a semi-transparent semiconductor stack forming organic light emitting diodes adjacent the rear side of said anode claim 1 , a semi-transparent cathode adjacent the rear side of said semiconductor stack claim 1 , a cover glass spaced rearwardly of said cathode and covering said solar panel claim 1 , and a peripheral sealant bonding said cover glass to said transparent front sheet.3. The multi-functional active matrix display of in which said peripheral sealant holds said cover glass spaced away from the rear side of said cathode to form an air gap between said cathode and said cover ...

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Номер записи: 70
20-06-2013 дата публикации

Organic light emitting display device

Номер: US20130155033A1
Автор: Ga-Young Kim, Guang-Hai Jin, Jae-Beom Choi, June-Woo Lee, Kwan-Wook Jung, Moo-Jin Kim
Принадлежит: Samsung Mobile Display Co Ltd

An organic light emitting display device includes a pixel unit including a plurality of pixels formed in regions where a plurality of scan lines and a plurality of data lines cross each other, a first scan driving unit detecting a defect of the plurality of pixels by sequentially applying a first test signal to the plurality of scan lines, and a second scan driving unit detecting a defect of the plurality of pixels by simultaneously applying a second test signal to the plurality of scan lines.

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Номер записи: 71
20-06-2013 дата публикации

DISPLAYING APPARATUS

Номер: US20130155038A1
Автор: Goden Tatsuhito, Iseki Masami, Kawano Fujio, YAMASHITA Takanori
Принадлежит: CANON KABUSHIKI KAISHA

A displaying apparatus having a finer-pitch circuit constitution is provided without deteriorating a displaying quality and increasing each pixel size. In the displaying apparatus which can suppress a characteristic variation of a driving transistor included in each pixel circuit by using a control circuit, the control circuit is arranged on an outer side of a region in which the plurality of pixel circuits are arranged, and there are a second capacitor in which an input data signal is supplied to one end thereof, a first voltage follower circuit of which an input is connected to the other end of the second capacitor and of which an output is connectable to a data line, and a second voltage follower circuit of which an input is connected to the data line and of which an output is connectable to the other end of the second capacitor. 1. A displaying apparatus which comprises a plurality of pixel circuits , a data line configured to supply a voltage to the plurality of pixel circuits , and a control circuit connected to the data line , whereineach of the plurality of pixel circuits includes a light emitting device, a driving transistor configured to supply to the light emitting device a current according to the voltage applied to a gate electrode thereof, a first capacitor of which one end is connected to the gate electrode of the driving transistor, a first switch transistor configured to control conduction between the gate electrode of the driving transistor and the data line, and a second switch transistor configured to control conduction between a drain electrode of the driving transistor and the data line, andthe control circuit is arranged on an outer side of a region in which the plurality of pixel circuits are arranged, and the control circuit includes a second capacitor in which an input data signal is supplied to one end thereof, a first voltage follower circuit of which an input is connected to the other end of the second capacitor and of which an output is ...

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Номер записи: 72
27-06-2013 дата публикации

Drive voltage generation circuit for light emitting diode display device and method for driving the same

Номер: US20130162175A1
Автор: Byeong-Hee Kim
Принадлежит: LG Display Co Ltd

A drive voltage generation circuit for an LED display device capable of increasing the input voltage range thereof is disclosed. The drive voltage generation circuit includes a booster that boosts an input voltage from an external source, to generate a boosted voltage, a protection switching element that controls whether or not the boosted voltage generated from the booster is to be output, in accordance with a switch control signal, a protection circuit that compares a level of the boosted voltage output from the booster via the protection switching element with a predetermined threshold voltage, selects one of a high voltage and a low voltage, based on a result of the comparison, and outputs the selected voltage as the switch control signal, and a discharger that discharges a low voltage node, to which the low voltage is applied.

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Номер записи: 73
04-07-2013 дата публикации

Light emitting display device and driving method thereof

Номер: US20130169699A1
Автор: Ji-Eun Lee, Na-Ri Kim, Ui-Taek Jeong
Принадлежит: LG Display Co Ltd

Disclosed is a light emitting display device capable of minimizing deviation of current driving capability between driving switching devices of respective pixels, thereby achieving enhanced screen quality. A method of driving the light emitting display device includes sensing the threshold voltage and mobility of driving Thin Film Transistor (TFT) of each pixel through each data line or each power line using a first sensing voltage; correcting an error of the mobility between the driving TFTs by again sensing the mobility of the driving TFT of each pixel through each data line or each power line using a second voltage; and compensating for video data to be displayed on a display panel using the threshold voltage and the corrected mobility.

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Номер записи: 74
11-07-2013 дата публикации

Light Emitting Device

Номер: US20130176196A1
Автор: Anzai Aya, Iwabuchi Tomoyuki, YAMAZAKI Yu
Принадлежит: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

The invention provides a light emitting device which is capable of displaying on both sides, has a small volume, and is capable of being used as a module. A light emitting element represented by an EL element and the like is used in a pixel portion, and two pixel portions are provided in one light emitting device. A first pixel portion has a structure to emit light only from a counter electrode side of the light emitting element. A second pixel portion has a structure to emit light only from a pixel electrode side of the light emitting element. That is, in the first pixel portion and the second pixel portion, directions of light emission are reverse in front and back. 1. A semiconductor device comprising:a display portion, the display portion comprising:a first pixel portion in which a plurality of first pixels are arranged in matrix over a substrate, each of the plurality of first pixels comprises a first light emitting element, wherein the first light emitting element comprises a first pixel electrode, a first electroluminescent layer, and a first counter electrode;a second pixel portion in which a plurality of second pixels are arranged in matrix over the substrate, each of the plurality of second pixels comprises a second light emitting element, wherein the second light emitting element comprises a second pixel electrode, a second electroluminescent layer, and a second counter electrode; anda driver circuit positioned between the first pixel portion and the second pixel portion,wherein the first pixel electrode comprises a first reflecting film and the second pixel electrode comprises a transparent film,wherein the second light emitting element further comprises a second reflecting film over the second counter electrode, andwherein a direction of light emission of the first pixel portion is different from a direction of light emission of the second pixel portion.2. The semiconductor device according to claim 1 , wherein an area of the first pixel portion is ...

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Номер записи: 75
18-07-2013 дата публикации

SCANNING LINE DRIVING CIRCUIT, DISPLAY DEVICE, AND SCANNING LINE DRIVING METHOD

Номер: US20130181890A1
Автор: HAGA Hiroshi, KITAGISHI Yoichi
Принадлежит: NLT TECHNOLOGIES, LTD.

A scanning line driving circuit includes a first transistor having a source electrode connected to a power supply and a drain electrode to a scanning line and a second transistor having a source electrode connected to the scanning line and a drain electrode connected to a clock signal line. The conductivity type of the second transistor is identical to that of the first transistor. A bias can be supplied, so that the first and second transistors are caused to be in an off-state simultaneously. 1. A scanning line driving circuit , comprising:a first transistor having a source electrode connected to a power supply and a drain electrode connected to a scanning line; anda second transistor having a source electrode connected to the scanning line and a drain electrode connected to a clock signal line and having a conductivity type identical to that of the first transistor;wherein a bias can be supplied so that the first and second transistors are simultaneously caused to be in an off-state;the circuit further comprising:a diode having one end connected to a gate electrode of the first transistor and the other end supplied with a driving signal of the first transistor; anda voltage control switch circuit having one end connected to the gate electrode of the first transistor, a control terminal connected to the other end of the diode, and the other end connected to an external control signal line used for causing the scanning line in a floating state,wherein, when the first transistor is a P-type transistor, one end of the diode is a cathode and the other end is an anode, and when the first transistor is an N-type transistor, one end of the diode is an anode and the other end is a cathode,wherein the voltage control switch circuit comprises a transistor of a conductivity type identical to that of the first transistor, andwherein the gate electrode of the first transistor, a gate electrode of the second transistor, and the clock signal line are supplied with signals ...

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Номер записи: 76
01-08-2013 дата публикации

Organic light emitting display and method of driving the same

Номер: US20130194245A1
Автор: Jae-Woo Ryu
Принадлежит: Samsung Display Co Ltd

An organic light emitting display capable of improving data charging time, includes pixels at crossing regions between scan and data lines and configured to control an amount of current supplied from a first to a second power source, a charge unit adjacent to an adjacent pixel of the pixels and coupled to the same data line as the adjacent pixel, a scan driver for supplying scan signals to the scan lines, a data driver for supplying data signals to the data lines in synchronization with the scan signals, and a comparison unit in a channel of the data driver to compare a data signal supplied to a current line with a data signal supplied to a previous line and to control coupling between the charge unit and the data line according to a comparison result in a partial period of a period in which the scan signals are supplied.

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Номер записи: 77
08-08-2013 дата публикации

Organic electroluminescence display device and method for driving the same

Номер: US20130200346A1
Автор: Chishio Hosokawa, Masahide Matsuura
Принадлежит: Idemitsu Kosan Co Ltd

In an organic electroluminescence display device ( 30 ) comprising an organic EL element ( 26 ) having a structure wherein an organic luminescent medium ( 24 ) is sandwiched between a top electrode ( 20 ) and a bottom electrode ( 22 ), and a driving circuit ( 14 ) for driving the organic EL element ( 26 ), the organic luminescent medium ( 24 ) comprises a host compound and a triplet-related luminous compound and the driving circuit ( 14 ) applies a electric pulse voltage or pulse current having a frequency of 30 Hz or more and a duty ratio of 1/5 or less. In this way, it is possible to provide an organic EL display device which consumes a low electric power and has a long luminous life span, and a method for driving the same.

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Номер записи: 78
15-08-2013 дата публикации

Pixel driving circuits, pixel driving methods, display panels and electronic devices

Номер: US20130207957A1
Автор: Chia-Che HUNG, Chih-Lung Lin, Fu-Chieh CHANG, Pin-Yen KUO
Принадлежит: Chimei Innolux Corp, Innocom Technology Shenzhen Co Ltd

A pixel driving circuit is provided, including first, second, third, fourth, and fifth switching devices and first and second capacitors. The first switching device has a first terminal coupled to a power source voltage, and a control terminal coupled to a first scan signal line. The second switching device has a first terminal coupled to a second terminal of the first switching device, a second terminal coupled between a first node and an emitting device, and a control terminal coupled to a second node. The third switching device has a first terminal coupled to the second node, a second terminal coupled between the first terminal of the second switching device and the second terminal of the first switching device, and a control terminal coupled to a second scan signal line.

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Номер записи: 79
15-08-2013 дата публикации

Organic light emitting diode display and method of driving the same

Номер: US20130208015A1
Автор: Dae-Hyun Noh, Ki-Wook Kim, Wang-Jo Lee
Принадлежит: Samsung Mobile Display Co Ltd

An organic light emitting diode (OLED) display is disclosed. In one embodiment, the OLED display includes a panel including pixels which are configured to control an amount of current that flows from a first power source to a second power source to generate an image of predetermined brightness. The display may also include at least one first power source line formed on a top of the panel and at least one second power source line positioned on a bottom of the panel to face the first power source line. The display may further include a first switch configured to alternately supply the first power source to the first power source line and the second power source line.

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Номер записи: 80
15-08-2013 дата публикации

Display device and memory arranging method for image data thereof

Номер: US20130208019A1
Автор: An-Su Lee, Byung-Geun Jun, Do-youb Kim, Myung-Ho Lee, Seung-Woo Lee
Принадлежит: Samsung Mobile Display Co Ltd

A display device and an image data memory arrangement method thereof are disclosed. When driving one frame with first and second fields, an input data signal is divided into first and second field data and the first and second field data are respectively arranged according to a light emitting driving sequence to control the light emitting for each field to be displayed. The first and second field data signals respectively include a color data signal pattern in which the data signals transmitted to the pixels corresponding to the same pixel column among the pixels respectively included in the first pixel row and the fourth pixel row display the same color, and the data signals transmitted to the pixels corresponding to the same pixel column among the pixels respectively included in the second pixel row and the third pixel row display the same color.

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Номер записи: 81
15-08-2013 дата публикации

Display device and arranging method for image data thereof

Номер: US20130208021A1
Автор: An-Su Lee, Do-youb Kim, Seung-Woo Lee
Принадлежит: Samsung Mobile Display Co Ltd

A display device including a display panel having first pixels emitting light in a first field and second pixels emitting light in a second field is disclosed. According to one aspect, the display device includes a controller configured to extract first field data transmitted to the first pixels and second field data transmitted to the second pixels from input data, divide the first field data, insert black data between two neighboring first field data to generate first output data, divide the second field data, and insert black data between two neighboring second field data to generate second output data. The display device also includes a data driver configured to transmit a first data signal based on the first output data to the display panel in the first field and transmitting a second data signal based on the second output data to the display panel in the second field.

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Номер записи: 82
15-08-2013 дата публикации

Display of video with motion

Номер: US20130208189A1
Автор: Christopher J. White, John N. Border, Michael E. Miller
Принадлежит: Intellectual Ventures Fund 83 LLC

A method of displaying a video of a scene on a display with reduced motion blur includes: providing the video of a scene having first subframes that have a first input rate and second subframes that have a second input rate, wherein the first subframes correspond to a first region of the display and the second subframes correspond to a second region of the display; and selectively providing the first and second subframes to corresponding regions in the display, and providing the first region of the display with a first update rate and the second region of the display with a second update rate, wherein the first update rate is greater than the second update rate, so that the displayed image has reduced motion blur.

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Номер записи: 83
22-08-2013 дата публикации

OLED PANEL AND METHOD FOR DRIVING THE SAME

Номер: US20130215092A1
Автор: Wang Gang, Wu Zhongyuan, Xiao Tian
Принадлежит: BOE Technology Group Co., Ltd.

The present invention discloses an OLED panel for improving the hysteresis effect of TFT without increasing the area of the pixel circuit and at the same time ensuring the opening ratio. Said OLED panel includes a substrate and a pixel unit array formed thereon, the pixel unit array comprises a plurality of pixel units defined by the intersections of scanning lines and data lines, and each unit includes a driving TFT and an OLED, and the driving TFT has a source connected to a high voltage signal terminal in a backboard, a drain connected to an anode of the OLED; a plurality of resetting TFTs is arranged in the peripheral area of the pixel unit array on the substrate, and the resetting TFT has a gate connected a pre-controlling signal terminal, a source connected to a resetting signal terminal, and each resetting TFT corresponds to a data line one-to-one. 1. An Organic Light-Emitting Diode (OLED) panel , including a substrate and a pixel unit array formed thereon , wherein the pixel unit array comprises scanning lines , data lines and pixel units , and each of the pixel units includes a driving Thin Film Transistor (TFT) and an OLED , and the driving TFT has a source connected to a high voltage signal terminal in a backboard , and a drain connected to an anode of the OLED , wherein the pixel unit further includes resetting TFTs and multiplexing TFTs , the resetting TFT has a gate connected a pre-controlling signal terminal and a source connected to a resetting signal terminal , and each resetting TFT corresponds to the data line one-to-one , and the multiplexing TFT has a gate connected to a gate controlling signal terminal , a source connected to a data voltage signal terminal , and a drain connected to the data line.2. The OLED panel of claim 1 , wherein claim 1 , each of the pixel units further includes a switching TFT and a storage capacitor claim 1 , wherein the switching TFT has a gate connected to the scan line claim 1 , a source connected to the data line ...

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Номер записи: 84
12-09-2013 дата публикации

DISPLAY MODULE

Номер: US20130235024A1
Автор: Kaneko Yoshiyuki, Sato Toshihiro
Принадлежит:

A display module including a substrate having a plurality of pixels, a data line that supplies a data signal to a pixel, a current supply line that supplies electric current to the pixel, a data driving circuit that supplies a data signal to the data line, and a gate driving circuit thereon. The plurality of pixels are arranged in a display area of the substrate, and each of the plurality of pixels include a light emitting device, a first thin film transistor connected to the data line that supplies the data signal, a second thin film transistor connected to the current supply line, and a capacitor. The light emitting device includes a first electrode layer connected to the second thin film transistor, an organic layer formed on the first electrode layer, and a second electrode layer formed on the organic layer. 1. A display module comprising:A substrate including a plurality of pixels, data lines that supply data signals to the pixels, and current supply lines that supply electric current to the pixels;wherein the plurality of pixels are arranged in a display area of the substrate,the current supply lines are connected to a current supply bus line outside of the display area;wherein each of the plurality of pixels include a light emitting device, a first thin film transistor connected to one of the data signal lines that supplies the data signal, a second thin film transistor connected to one of the current supply lines, and a capacitor to store an image signal and to regulate a gate voltage of the second thin film transistor;wherein the light emitting device includes a first electrode layer connected to the second thin film transistor, an organic layer formed on the first electrode layer, and a second electrode layer formed on the organic layer;wherein a third electrode layer is disposed on a layer at a level which is lower than a level of the second electrode layer, and is connected to the second electrode layer; andwherein the third electrode layer is positioned ...

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Номер записи: 85
19-09-2013 дата публикации

Organic electroluminescent light emitting display device

Номер: US20130240863A1
Автор: Genshiro Kawachi, Masaya Adachi, Toshihiro Sato, Yoshiro Mikami
Принадлежит: Hitachi Displays Ltd, Panasonic Liquid Crystal Display Co Ltd

In an organic electroluminescent light emitting display device comprising a plurality of pixels each of which includes an organic electroluminescent element emitting light by a current supplied thereto, a plurality of active elements including a first active element which acquires a data signal and a second active element which regulates the current supplied to the organic electroluminescent element in accordance with the data signal, and a capacitive element storing the data signal, the present invention utilizes a part of the capacitive element arranged in one of the pixels for a light shielding member which shields the plurality of active elements arranged the one of the pixels from light emitted by the organic electroluminescent element arranged therein or another pixel adjacent thereto so as to suppress image quality deterioration and smear appearing in an image display area of the organic electroluminescent light emitting display device.

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Номер записи: 86
19-09-2013 дата публикации

IMAGE DISPLAY AND ORGANIC LIGHT-EMITTING DISPLAY INCLUDING IMAGE SHIFT UNIT

Номер: US20130241809A1
Автор: Han Dong-Won
Принадлежит: Samsung Display Co., Ltd.

An image display is disclosed. In one embodiment, the display includes a first display panel comprising i) a first image display portion configured to display a first image and ii) a light transmissive portion formed outside the first image display portion and configured to display a second image. The display further includes i) a second display panel spaced apart from the first display panel and configured to generate the second image and ii) an image shift unit configured to shift the generated second image toward the light transmissive portion of the first display panel so that the shifted second image is projected through the light transmissive portion. 1. An image display comprising:a first display panel comprising i) a first image display portion configured to display a first image and ii) a light transmissive portion formed outside the first image display portion and configured to display a second image;a second display panel spaced apart from the first display panel and configured to generate the second image; andan image shift unit configured to shift the generated second image toward the light transmissive portion of the first display panel so that the shifted second image is projected through the light transmissive portion, wherein the image shift unit comprises:a first reflective portion configured to first reflect the generated second image; anda second reflective portion formed substantially parallel to the first reflective portion, and configured to reflect the first reflected generated second image toward the light transmissive portion, where the first and second reflective portions are respectively formed on opposing surfaces of a prism.2. The image display of claim 1 , wherein the first image display portion comprises a first image light-emitting portion configured to emit the first image claim 1 , andwherein the second display panel comprises a second image emitting portion configured to emit the second image.3. The image display of claim 1 , ...

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Номер записи: 87
26-09-2013 дата публикации

Organic light emitting display device and driving method thereof

Номер: US20130249889A1
Автор: Baek-woon Lee, Sang-myeon Han
Принадлежит: Samsung Display Co Ltd

An organic light emitting display device includes: a display unit including pixels coupled to scan lines and data lines; one or more control lines coupled to the pixels; a control line driver for supplying control signals to the pixels through the control lines; a first power driver for applying a first power having a low voltage level or a high voltage level to the pixels; and a second power driver for applying a second power having a low voltage level or a high voltage level to the pixels, in which each of the pixels includes: an organic light emitting diode (OLED); a driving transistor for controlling an amount of current supplied to the OLED; and an initializing transistor coupled to a gate electrode of the driving transistor and for supplying a reset voltage to the gate electrode of the driving transistor.

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Номер записи: 88
26-09-2013 дата публикации

Brightness correcting system and method of correcting brightness

Номер: US20130249930A1
Автор: Min-Cheol Kim
Принадлежит: Samsung Display Co Ltd

A brightness correcting system and a method of correcting brightness are provided. The brightness correcting system includes a display unit divided into a plurality of sample regions, a brightness measuring unit for measuring brightness values in the sample regions, a controller for selecting a reference pixel from among representative pixels respectively included in the sample regions, an offset value calculating unit for calculating offset values corresponding to respective differences between the brightness value of the reference pixel and the brightness values of the representative pixels, and for linearly calculating offset values of remaining pixels using the offset values of the representative pixels, and a data correcting unit for correcting the image data using the offset values of the pixels and supplying the corrected image data to the data driver.

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Номер записи: 89
26-09-2013 дата публикации

Apparatus generating gray scale voltage for organic light emitting diode display device and generating method thereof

Номер: US20130249955A1
Автор: Jeong-Geun Yoo, Min-Weun Kim, Sang-Rak Kim
Принадлежит: Samsung Display Co Ltd

An apparatus for generating gray scale voltage includes a brightness/color coordinate correction unit having a gamma table including data corresponding to an image displayed on a pixel unit of an OLED device at a first brightness level, and a gamma reference voltage look-up table including voltage values of red, green, and blue data corresponding to each gray scale and brightness values at the first brightness level in accordance with the gamma table, a gamma control signal output unit configured to output a gamma reference voltage control signal corresponding to a second brightness level in accordance with the gamma table and the gamma reference voltage look-up table, and a gamma correction circuit configured to receive the gamma reference voltage control signal, to generate gray scale voltages corresponding to the second brightness level, and to output the generated gray scale voltages to a data driver.

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Номер записи: 90
26-09-2013 дата публикации

Semiconductor device, display device, and electronic apparatus

Номер: US20130250201A1
Автор: Yutaka Kobashi
Принадлежит: Seiko Epson Corp

To prevent an electrostatic damage on a display device formed with a driving circuit. Protective circuits are provided not only at input terminal parts, but also at intermediate parts of a circuit or at the ends of wiring lines. Otherwise, the protective circuits are provided at the ends of the wiring lines and at the places immediately before and after the input terminals, respectively, and then the circuit is interposed therebetween. Further, the protective circuits are provided around a circuit with a large current consumption.

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Номер записи: 91
03-10-2013 дата публикации

Method of setting target locations for reducing image sticking, organic light emitting display device, and method of driving the same

Номер: US20130257884A1
Автор: Byung-Sik Koh
Принадлежит: Samsung Display Co Ltd

A method of setting target locations for reducing image sticking is provided. According to the method, a plurality of images, each of the images being displayed during each frame by an organic light emitting display device are acquired. The target locations at which image sticking frequently occurs are set by comparing the images. Image data corresponding to the target locations are stored in a memory unit. A plurality of pixel circuits may simultaneously emit light in the organic light emitting display device.

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Номер записи: 92
03-10-2013 дата публикации

DISPLAY DEVICE USING LED BLOCKS

Номер: US20130257923A1
Автор: Choi Woonyong
Принадлежит: CONSTANTEC CO., LTD.

The present invention relates to a display device using LED blocks, which includes at least one LED block having an LED installed. The LED block adjusts the color of light displayed according to the contact by the user. According to the present invention, the display device using LED blocks includes: at least one LED block including a plurality of installed color LEDs and a contact sensing unit for sensing contact by the user; and a controller for adjusting the color of light displayed by the LED block on the basis of the color data corresponding to the contact data which is generated by the contact sensing unit in accordance with contact by the user. 111-. (canceled)13. The LED block display device according to claim 12 , wherein the at least one LED block is included in an LED block module.14. The LED block display device according to claim 13 , wherein the LED block module is coupled to another LED block module in a two-dimensional form or a three-dimensional form.15. The LED block display device according to claim 12 , further comprising: a memory storing the color data.16. The LED block display device according to claim 15 , wherein the color data is capable of being transferred to or from an outside claim 15 , corrected claim 15 , or edited.17. The LED block display device according to claim 12 , further comprising: a sound transmitter claim 12 , wherein the controller controls the LED block to emit light claim 12 , color of which has been adjusted while controlling the sound transmitter to transmit a predetermined sound.18. The LED block display device according to claim 12 , wherein the contact data comprises the number of contacts and a contact time.20. The LED block display device according to claim 19 , wherein the at least one LED block is included in an LED block module.21. The LED block display device according to claim 20 , wherein the LED block module is coupled to another LED block module in a two-dimensional form.22. The LED block display device ...

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Номер записи: 93
17-10-2013 дата публикации

LED ELECTRONIC SIGN BOARD CAPABLE OF POWER-SAVING PER PIXEL LINE

Номер: US20130271514A1
Автор: Ha Young-Jae
Принадлежит:

The invention relates to an LED electronic sign board capable of power-saving per pixel line, comprising: an LED display panel; a panel driver; a switching mode power supply that receives AC power, generates driving power required to operate the LED display panel and the panel driver and supplies power to the LED display panel and the panel driver; a black line extractor that analyses an image signal which will be displayed on the LED display panel and extracts pixel lines which becomes black per LED module; and a main controller that controls the panel driver to display an image on the LED display panel according to the image signal, and that controls a switching signal for the operation of the switching mode power supply to shut off driving power that is supplied to the pixel lines extracted by the black line extractor from the switching mode power supply. 1. An LED electronic sign board capable of power-saving per pixel line , comprising:an LED display panel comprising a plurality of LED modules arranged in a matrix to form a screen, wherein each LED module includes a predetermined number of LEDs;a panel driver comprising a plurality of module drivers to drive the LED modules, respectively, wherein each module driver corresponds to each LED module to display an image on each LED module;a switching mode power supply that receives AC power, generates driving power required to operate the LED display panel and the panel driver and supplies power to the LED display panel and the panel driver;a black line extractor that analyses an image signal which will be displayed on the LED display panel and extracts pixel lines which becomes black per LED module; anda main controller that controls the panel driver to display an image on the LED display panel according to the image signal, and that controls a switching signal for the operation of the switching mode power supply to shut off driving power that is supplied to the pixel lines extracted by the black line extractor ...

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Номер записи: 94
24-10-2013 дата публикации

Display apparatus and driving method for display apparatus

Номер: US20130278586A1
Автор: Fujio Kawano
Принадлежит: Canon Inc

There are provided for each column of pixels, a detecting unit which detects a voltage between a gate and a source of a drive transistor when a predetermined current is fed to the drive transistor and a unit which adds a data voltage to the voltage supplied by the detecting unit and supplies a sum to a data line.

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Номер записи: 95
31-10-2013 дата публикации

Electro-optic device, method of driving electro-optic device, and electronic apparatus

Номер: US20130285561A1
Автор: Kazuma KITADANI, Shin Fujita
Принадлежит: Seiko Epson Corp

Provided is an electro-optic device including: a first pixel circuit that is provided corresponding to a position where one scanning line and a first data line are intersect with each other; a second pixel circuit that is provided corresponding to a position where the one scanning line and a second data line are intersect with each other; a first level shift unit circuit that shifts electric potential of a first data signal so as to compress electric potential amplitude of the first data signal with a first compression rate, and supplies the signal to the first data line; and a second level shift unit circuit that shifts electric potential of a second data signal so as to compress electric potential amplitude of the second data signal with a second compression rate different from the first compression rate, and supplies the signal to the second data line.

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Номер записи: 96
31-10-2013 дата публикации

Organic light emitting display apparatus and method of inspecting the same

Номер: US20130285996A1
Автор: Ga-Young Kim, Guang-Hai Jin, Jae-Beom Choi, Jee-Hoon Kim, June-Woo Lee, Kwan-Wook Jung, Seong-Jun Kim, Sung-Soo Choi
Принадлежит: Samsung Display Co Ltd

An organic light emitting display apparatus and a method of easily inspecting the apparatus to determine whether an electrical failure occurs are disclosed. The organic light emitting display apparatus includes a plurality of pixels each including a pixel electrode, an intermediate layer including an organic emission layer, and an opposite electrode, pluralities of scan lines and data lines corresponding to the plurality of pixels, first power supply lines connected to the plurality of pixels and extending in a first direction; second power supply lines connected to the first power supply lines, and a controller that simultaneously supplies control signals to the plurality of pixels, and includes a plurality of control lines and a common line. The common line is connected to a first end of each of the plurality of control lines and is separated from a second, opposing end of each of the plurality of control lines.

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Номер записи: 97
28-11-2013 дата публикации

PIXEL CIRCUIT, LIGHT EMITTING DIODE DISPLAY USING THE SAME AND DRIVING METHOD THEREOF

Номер: US20130314305A1
Автор: HUANG Guan-Ru, Liu Chun-Yen, YANG Chin-Sheng
Принадлежит: AU OPTRONICS CORP.

A pixel circuit of a light emitting diode display includes a light emitting diode, six transistors and two capacitors. The effect of the variation of the threshold voltage of the transistor in the pixel circuit on the display quality can be improved through supplying specific the first to fourth control signals and the first to third reference voltages to the pixel circuit. A light emitting diode display using the aforementioned pixel circuit and a driving method of the aforementioned pixel circuit are also provided. 1. A pixel circuit of a light emitting diode display , comprising:a first transistor having a first terminal, a control terminal and a second terminal, wherein the first terminal of the first transistor is configured to receive a data signal, the control terminal of the first transistor is a configured to receive a first control signal;a first capacitor having a first terminal and a second terminal, wherein the first terminal of the first capacitor is electrically connected to the second terminal of the first transistor, the second terminal of the first capacitor is electrically connected to a connecting node;a second transistor having a first terminal, a control terminal and a second terminal, wherein the first terminal of the second transistor is configured to receive a first reference voltage, the control terminal of the second transistor is electrically connected to the connecting node;a third transistor having a first terminal, a control terminal and a second terminal, wherein the first terminal of the third transistor is electrically connected to the connecting node, the control terminal of the third transistor is configured to receive a second control signal, the second terminal of the third transistor is electrically connected to the second terminal of the second transistor;a fourth transistor having a first terminal, a control terminal and a second terminal, wherein the first terminal of the fourth transistor is electrically connected to the ...

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Номер записи: 98
05-12-2013 дата публикации

Pixel and organic light emitting display device using the same

Номер: US20130321376A1
Автор: Yong-Jae Kim, Yong-sung Park
Принадлежит: Samsung Display Co Ltd

A pixel and an organic light emitting display device using the same, which can improve display quality, are provided. An organic light emitting display device includes pixels, an emission control line, an initial power supply unit, a scan driver and a data driver. The pixels are at intersection portions of scan lines and data lines. The emission control line is commonly coupled to the pixels. The initial power supply unit is commonly coupled to gate electrodes of one or more transistors included in each of the pixels, and supplies a first voltage during a first period, a second voltage lower than the first voltage during a second period, and a third voltage higher than the first voltage during a third period in one frame period. The scan driver drives the scan lines and the emission control line. The data driver drives the data lines.

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Номер записи: 99
12-12-2013 дата публикации

LED DISPLAY DEVICE WITH AUTOMATIC BRIGHTNESS ADJUSTMENT

Номер: US20130328754A1
Автор: LAI CHIH-CHEN
Принадлежит: HON HAI PRECISION INDUSTRY CO., LTD.

A display device includes a housing, a screen mounted on the housing, an imagine capture unit, a distance measuring unit, and a display module assembly received in housing. The display module assembly includes a light emitting unit, a micro reflection unit, and a micro control unit; the micro control unit includes an identify module and a reflection control module. The identify module is electrically connected to the imagine capture unit and the distance measuring unit for receiving images of a viewer to identify position of eyes of viewer and sending instruction to measure distances between eyes of viewer and the display device to the distance measuring unit; the reflection control module is electrically connected to one of the light emitting unit and the micro control unit to control the micro reflection unit to rotate relative to the light emitting unit, to reflect light into eyes of the viewer. 1. A display device , comprising:a housing;a screen mounted on the housing;an imagine capture unit positioned on the housing adjacent to the screen, and configured to capture images of a viewer;a distance measuring unit positioned on the housing adjacent to the screen and spaced from the imagine capture unit, the distance measuring unit configured to measure a distance between the eyes of the viewer and the display device, and a display module assembly comprising a light emitting unit, a micro reflection unit, and a micro control unit, the display module assembly received in the housing, the micro control unit comprising an identify module and a reflection control module,wherein the identify module is electrically connected to the imagine capture unit and the distance measuring unit, the identify module receives image data from the imagine capture unit to identify the position of the eyes of the viewer and sending an instruction to measure the distance between the eyes of the viewer and the display device to the distance measuring unit; the reflection control module is ...

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Номер записи: 100