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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 4872. Отображено 100.
16-07-1996 дата публикации

АВТОНОМНЫЙ НАВЕСНОЙ СЕНСОРНЫЙ ЭКРАН

Номер: RU0000002456U1
Автор: Любезнов В.К., Палей В.А.
Принадлежит: Товарищество с ограниченной ответственностью "ЛПР системы"

1. Автономный навесной сенсорный экран для использования совместно с дисплеем, содержащий конструктивный элемент с чувствительной областью и узел крепления конструктивного элемента сенсорного экрана перед экраном дисплея, отличающийся тем, что сенсорный экран содержит также узел позиционирования конструктивного элемента с чувствительной областью относительно экрана дисплея. 2. Экран по п.1, отличающийся тем, что узел крепления и узел позиционирования представляют собой единое регулируемое крепление. 3. Экран по п.1 или 2, отличающийся тем, что единое регулируемое крепление содержит два Г-образных и два L-образных стержня с внешними винтовыми нарезками на обоих концах, соединенных в виде П-образного кронштейна тремя цилиндрическими резьбовыми стяжками, и два регулировочных колеса, смонтированных на конструктивном элементе сенсорного экрана, причем внутренние винтовые нарезки регулировочных колес соединены с внешними винтовыми нарезками соответствующих Г-образных стержней кронштейна. (19) RU (11) (13) 2 456 U1 (51) МПК G09G 1/00 (1995.01) G06K 11/06 (1995.01) РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К СВИДЕТЕЛЬСТВУ (21), (22) Заявка: 95101942/20, 08.02.1995 (46) Опубликовано: 16.07.1996 (71) Заявитель(и): Товарищество с ограниченной ответственностью "ЛПР системы" (73) Патентообладатель(и): Товарищество с ограниченной ответственностью "ЛПР системы" U 1 2 4 5 6 R U Ñòðàíèöà: 1 U 1 (57) Формула полезной модели 1. Автономный навесной сенсорный экран для использования совместно с дисплеем, содержащий конструктивный элемент с чувствительной областью и узел крепления конструктивного элемента сенсорного экрана перед экраном дисплея, отличающийся тем, что сенсорный экран содержит также узел позиционирования конструктивного элемента с чувствительной областью относительно экрана дисплея. 2. Экран по п.1, отличающийся тем, что узел крепления и узел позиционирования представляют собой единое регулируемое крепление. 3. Экран по п.1 или 2, ...

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Номер записи: 1
16-12-1999 дата публикации

ФОТОЭЛЕКТРИЧЕСКИЙ ПРЕОБРАЗОВАТЕЛЬ ДИСТАНЦИОННОГО ОПТИЧЕСКОГО УКАЗАТЕЛЯ ДЛЯ РАСТРОВЫХ ИНДИКАТОРОВ

Номер: RU0000012279U1
Автор: Лысенко Н.В., Мустафа Амджад
Принадлежит: Санкт-Петербургский государственный электротехнический университет

Фотоэлектрический преобразователь дистанционного оптического указателя для растровых индикаторов, содержащий фокусирующую линзу, оптически связанную с фотоприемником, выход которого соединен с входом усилителя, а также компаратор, выход которого является выходом фотоэлектрического преобразователя, отличающийся тем, что дополнительно содержит гребенчатый фильтр, адаптируемый к частоте строчной развертки растрового индикатора, соединенный своим входом с выходом усилителя, а своим выходом - со входом компаратора. (19) RU (11) 12 279 (13) U1 (51) МПК G09G 1/18 (1995.01) РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К СВИДЕТЕЛЬСТВУ (21), (22) Заявка: 99116844/20, 03.08.1999 (24) Дата начала отсчета срока действия патента: 03.08.1999 (46) Опубликовано: 16.12.1999 (72) Автор(ы): Лысенко Н.В., Мустафа Амджад (73) Патентообладатель(и): Санкт-Петербургский государственный электротехнический университет U 1 1 2 2 7 9 R U Ñòðàíèöà: 1 U 1 (57) Формула полезной модели Фотоэлектрический преобразователь дистанционного оптического указателя для растровых индикаторов, содержащий фокусирующую линзу, оптически связанную с фотоприемником, выход которого соединен с входом усилителя, а также компаратор, выход которого является выходом фотоэлектрического преобразователя, отличающийся тем, что дополнительно содержит гребенчатый фильтр, адаптируемый к частоте строчной развертки растрового индикатора, соединенный своим входом с выходом усилителя, а своим выходом - со входом компаратора. 1 2 2 7 9 (54) ФОТОЭЛЕКТРИЧЕСКИЙ ПРЕОБРАЗОВАТЕЛЬ ДИСТАНЦИОННОГО ОПТИЧЕСКОГО УКАЗАТЕЛЯ ДЛЯ РАСТРОВЫХ ИНДИКАТОРОВ R U Адрес для переписки: 197376, Санкт-Петербург, ул.проф. Попова, 5, СПГЭТУ, Патентно-лицензионный отдел (71) Заявитель(и): Санкт-Петербургский государственный электротехнический университет RU 12 279 U1 RU 12 279 U1 RU 12 279 U1 RU 12 279 U1 RU 12 279 U1 RU 12 279 U1 RU 12 279 U1 RU 12 279 U1 RU 12 279 U1 RU 12 279 U1 RU 12 279 U1

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Номер записи: 2
27-02-2006 дата публикации

УСТРОЙСТВО "КАРТИНКА И КАРТИНКА"

Номер: RU0000051779U1
Автор: МАГАС Ярослав Олегович
Принадлежит: МАГАС Ярослав Олегович

Устройство "картинка и картинка" для отображения двух изображений на одном экране, отличающееся тем, что имеет поворотный механизм, с помощью которого экран может быть занимать горизонтальное и вертикальное положение, электросхему с функцией расположения на экране двух изображений таким образом, что на экране находящемся в вертикальном положении одно изображение расположено в верхней части, другое в нижней, при этом большие стороны каждого изображения соответствуют и/или равны меньшей стороне экрана. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 51 779 (13) U1 (51) МПК G09G 1/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21), (22) Заявка: 2005116775/22 , 22.10.2003 (24) Дата начала отсчета срока действия патента: 22.10.2003 (73) Патентообладатель(и): МАГАС Ярослав Олегович (UA) R U (30) Конвенционный приоритет: 05.11.2002 UA 2002118777 (72) Автор(ы): МАГАС Ярослав Олегович (UA) (45) Опубликовано: 27.02.2006 (85) Дата перевода заявки PCT на национальную фазу: 06.06.2005 5 1 7 7 9 (86) Заявка PCT: UA 03/000041 (22.10.2003) (54) УСТРОЙСТВО "КАРТИНКА И КАРТИНКА" Формула полезной модели Устройство "картинка и картинка" для отображения двух изображений на одном экране, отличающееся тем, что имеет поворотный механизм, с помощью которого экран может быть занимать горизонтальное и вертикальное положение, электросхему с функцией расположения на экране двух изображений таким образом, что на экране находящемся в вертикальном положении одно изображение расположено в верхней части, другое в нижней, при этом большие стороны каждого изображения соответствуют и/или равны меньшей стороне экрана. R U 5 1 7 7 9 Адрес для переписки: 04080, г. Киев, ул. Фрунзе, 24б, оф.1, О.П. Мыгас Ñòðàíèöà: 1 U 1 U 1 (87) Публикация PCT: WO 2004/043060 (21.05.2004) U 1 U 1 5 1 7 7 9 5 1 7 7 9 R U R U Ñòðàíèöà: 2

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Номер записи: 3
05-07-2012 дата публикации

Field emission display and drive method for the same

Номер: US20120169781A1
Автор: Qi Cai, Shou-Shan Fan, Xue-Wei Guo, You-Hua Lei
Принадлежит: Hon Hai Precision Industry Co Ltd, TSINGHUA UNIVERSITY

A field emission display includes a panel and a control unit. The panel has a number of pixel units. Each of the pixel units has at least one fluorescent layer. The control unit which electrically connects to the pixel units receives an objective image. The control unit further selects a part of the pixel units corresponding to the objective image, divides the part of the pixel units into a number of pixel unit groups, and scans the pixel unit groups to make the plurality of pixel unit groups sequentially work such that the panel displays the objective image.

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Номер записи: 4
21-03-2013 дата публикации

SIGNAL OUTPUT CIRCUIT, SHIFT REGISTER, OUTPUT SIGNAL GENERATING METHOD, DISPLAY DEVICE DRIVING CIRCUIT, AND DISPLAY DEVICE

Номер: US20130069920A1
Автор: Matsuda Eiji, Murakami Yuhichiroh, Yamamoto Etsuo
Принадлежит:

A signal output circuit of the present invention is provided in a unit stage of a shift register. The signal output circuit includes a set-reset flip-flop, and a signal generation circuit for generating an output signal by loading or blocking a clock signal in accordance with a signal inputted thereto. The signal output circuit is arranged such that: the signal generation circuit receives a signal outputted from the flip-flop and the output signal fed back to the signal generating circuit; and the output signal is fed back to a reset input of the flip-flop. This makes it possible to achieve a reduction in the area of the circuit and a simplification of the circuit. 1. A signal output circuit that is provided in a unit stage of a shift register , comprising:a set-reset flip-flop including a reset input terminal and a set input terminal;a logic circuit; andan analog switch,the analog switch including an input terminal connected to a line via which a clock signal is supplied,the logic circuit including a first input terminal connected to an output terminal of the flip-flop and a second input terminal connected to an output terminal of the signal output circuit,the logic circuit including an output terminal connected to a control terminal of the analog switch, andthe reset input terminal being connected to the output terminal of the signal output circuit,wherein:an output of the flip-flop is (A) active when an input to the set input terminal is active, and (B) inactive when an input to the reset input terminal is active;an output of the logic circuit is (a) inactive when the output of the flip-flop and an output of the signal output circuit are inactive, and (b) active when at least one of the output of the flip-flop and the output of the signal output circuit is active; andthe analog switch (i) brings in the clock signal from its input terminal when the output of the logic circuit is active, and (ii) blocks off the clock signal when the output of the logic circuit is ...

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Номер записи: 5
21-03-2013 дата публикации

Frame Buffer Pixel Circuit of Liquid Crystal on Silicon Display Device

Номер: US20130069966A1
Автор: Du Huan, Huang Ran, Lin Bin, Luo Jiajun, Zhao Bohua
Принадлежит:

The present invention discloses a frame buffer pixel circuit for a LCoS display device, wherein said circuit consists of a first transistor (M), a second transistor (M), a third transistor (M), a fourth transistor (M), a fifth transistor (M), a sixth transistor (M), a storage capacitor (C) and a pixel capacitor (C), wherein, the first transistor (M) forms a pre-charge circuit, the second transistor (M) and the third transistor (M) form a threshold voltage generating circuit, the storage capacitor (C) forms a sample and hold circuit, the fourth transistor (M), the fifth transistor (M) and the pixel capacitor (C) form an input data voltage read-in circuit, and the sixth transistor (M) forms a discharge circuit. The present invention has a threshold voltage added when writing the input data voltage into the storage capacitor so as to cancel out the threshold voltage lost by reading the voltage on the storage capacitor onto the pixel capacitor, thereby ensuring consistency of the output pixel voltage and improving the display effect. 11234561212314526. A frame buffer pixel circuit of a LCoS display device , wherein said circuit comprises: a first transistor (M) , a second transistor (M) , a third transistor (M) , a fourth transistor (M) , a fifth transistor (M) , a sixth transistor (M) , a storage capacitor (C) and a pixel capacitor (C) , wherein , the first transistor (M) forms a pre-charge circuit , the second transistor (M) and the third transistor (M) form a threshold voltage generating circuit , the storage capacitor (C) forms a sample and hold circuit , the fourth transistor (M) , the fifth transistor (M) and the pixel capacitor (C) form an input data voltage read-in circuit , and the sixth transistor (M) forms a discharge circuit.2121411111. The frame buffer pixel circuit for a LCoS display device according to claim 1 , wherein a drain of the first transistor (M) is connected to a gate and a drain of the second transistor (M) claim 1 , and is connected claim 1 , ...

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Номер записи: 6
28-03-2013 дата публикации

CURRENT-DRIVEN DISPLAY DEVICE

Номер: US20130076719A1
Автор: SENDA Takahiro
Принадлежит:

In one embodiment of the present invention, to allow a circuit that compensates for variations in a threshold voltage of a drive element to operate properly and prevent luminances of other pixel circuits from fluctuating due to a compensation operation, a pixel circuit is disclosed. A driving TFT, a switching TFT, and an organic EL element are provided between a power supply wiring line and a common cathode, and a capacitor and a switching TFT are provided between a gate terminal of the driving TFT and a data line. A switching TFT is provided between a connection point B between the capacitor and the switching TFT and a reference supply wiring line, a switching TFT is provided between the gate terminal and a drain terminal of the driving TFT, and a switching TFT is provided between the gate terminal of the driving TFT and the connection point B. 1. A current-driven display device comprising:a plurality of pixel circuits arranged at respective intersections of a plurality of scanning lines and a plurality of data lines;a scanning signal output circuit that selects a write-target pixel circuit using a corresponding scanning line; anda display signal output circuit that provides a potential according to display data to a corresponding data line, wherein an electro-optical element provided between a first power supply wiring line and a second power supply wiring line;', 'a drive element provided in series with the electro-optical element and between the first power supply wiring line and the second power supply wiring line;', 'a capacitor connected, at a first electrode thereof, to a control terminal of the drive element;', 'a first switching element provided between a second electrode of the capacitor and a corresponding data line;', 'a second switching element provided between the second electrode of the capacitor and a third power supply wiring line;', 'a third switching element provided between the control terminal and one current input/output terminal of the drive ...

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Номер записи: 7
28-03-2013 дата публикации

GALLERY OPERATIONS FOR A DEVICE IN LANDSCAPE MODE

Номер: US20130076782A1
Автор: Gimpl Martin, Limongi Karina Amaral, Sirpal Sanjiv
Принадлежит: Z124

Methods and devices for selectively presenting a user interface in a dual screen device. More particularly, the method includes providing a gallery for the dual screen device. The gallery can present one or more images in a user interface. The gallery user interface can adapt to changes in the device configuration. Further, the gallery can display images or videos in the various configurations. 1. A method , comprising:providing a device having at least first and second screens, wherein the device is in a landscape dual screen orientation;receiving a first input to the device, wherein the first input executes a gallery function; andin response to the first input, displaying the gallery across at least a portion of the first screen and at least a portion of the second screen.2. The method of claim 1 , wherein one or more albums are displayed in a first section of the gallery.3. The method of claim 2 , wherein the first section is displayed on the first screen.4. The method of claim 3 , wherein the first section is navigable.5. The method of claim 4 , wherein a grid of one or more image thumbnails is displayed in a second section of the gallery.6. The method of claim 5 , wherein the second section is displayed in at least a portion of the first screen and at least a portion of the second screen.7. The method of claim 6 , wherein the gird is navigable.8. The method of claim 7 , wherein the gallery includes an action bar comprising one or more user selectable icons for executing one or more functions in the gallery.9. The method of claim 8 , further comprising receiving a selection of an album in the first section.10. The method of claim 9 , further comprising claim 9 , in response to the selection of the album claim 9 , changing the display of the grid to include one or more images associated with the album.11. A device claim 9 , comprising:a first screen, the first screen including a first gesture capture region;a second screen, wherein the second screen faces an ...

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Номер записи: 8
28-03-2013 дата публикации

CONSTRAINING DISPLAY MOTION IN DISPLAY NAVIGATION

Номер: US20130076786A1
Автор: LIRA LUIGI
Принадлежит: FACEBOOK, INC.

Navigating on a display includes tracking motion of an input tool on a display, comparing a motion of the input tool to a threshold, and changing a position of the visible portion of a page of information on the display if the input tool motion exceeds the threshold. The position of the visible portion of the page of information on the display is constrained if the motion does not exceed the threshold. 1. A method comprising: the page of information is larger than the viewing window; and', 'the viewing window reveals only a subset of the page of information;, 'superimposing a viewing window on a page of information, whereinmoving the viewing window relative to the page of information in response to a user's manipulation of an input tool;tracking a motion of the input tool when moving the viewing window relative to the page of information;comparing the motion of the input tool to a threshold;determining whether the motion of the input tool exceeds the threshold; andsnapping back the viewing window to an original position if it is determined that the motion of the input tool does not exceed the threshold.2. The method of wherein:tracking the motion of the input tool includes tracking a horizontal motion of the input tool;comparing the motion of the input tool to the threshold includes comparing the horizontal motion of the input tool to the threshold;determining whether the motion of the input tool exceeds the threshold includes determining whether the horizontal motion of the input tool exceeds the threshold; andsnapping back the viewing window to the original position includes snapping back the viewing window to an original horizontal position if it is determined that the horizontal motion of the input tool does not exceed the threshold.3. The method of further comprising leaving a vertical position of the viewing window unchanged.4. The method of wherein:tracking the motion of the input tool includes tracking a vertical motion of the input tool;comparing the motion ...

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Номер записи: 9
28-03-2013 дата публикации

DISPLAY SYSTEM

Номер: US20130076806A1
Автор: Homma Kazuki, Kudo Yasuyuki, Kurokawa Yoshiki, NITTA Hiroyuki, Takeda Junya
Принадлежит: RENESAS ELECTRONICS CORPORATION

A display drive circuit of the invention has: an initial-color-gamut-apex-coordinate-storing unit capable of storing initial color gamut apex coordinates; a user-target-color-gamut-apex-coordinate-storing unit capable of storing user target color gamut apex coordinates; a saturation-expansion-coefficient-deciding unit for deciding expansion coefficients of saturation data based on the initial and user target color gamut apex coordinates; and an expansion unit for expanding saturations of display data based on the saturation expansion coefficients. The expansion coefficients of saturation data are decided based on the initial and user target color gamut apex coordinates, and saturations of display data are expanded according to the expansion coefficients. Thus, the degree of expanding the saturations can be controlled for each color gamut or each of R, G and B color properties of an LC display panel. 1. A display drive circuit capable of driving a display panel according to display data entered thereinto , comprising:a first storing unit which is capable of storing initial color gamut apex coordinates;a second storing unit which is capable of storing user target color gamut apex coordinates;a deciding unit which is for deciding expansion coefficients of saturation data based on the initial and the user target color gamut apex coordinates; andan expansion unit which is for expanding saturations of the display data based on the saturation expansion coefficients.2. The display drive circuit according to claim 1 ,wherein the deciding unit computes the expansion coefficients based on an area ratio between a color gamut calculated from the initial color gamut apex coordinates and a color gamut calculated from the user target color gamut apex coordinates.3. The display drive circuit according to claim 1 ,wherein the deciding unit finds a square root of an area ratio between a color gamut calculated from the initial color gamut apex coordinates and a color gamut calculated ...

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Номер записи: 10
11-04-2013 дата публикации

LIQUID CRYSTAL DISPLAY DEVICE AND DRIVING METHOD THEREOF

Номер: US20130088477A1
Автор: HAN Sang Soo, SEONG Nak Jin
Принадлежит: LG DISPLAY CO., LTD.

An LCD device and a driving method thereof are provided. The LCD device includes a plurality of data driver ICs, a timing controller, a reference voltage generator, and a PCB. The data driver ICs include a gamma voltage generator which generates a gamma voltage. The timing controller generates an EPI packet for controlling the data driver ICs. The reference voltage generator reduces the driving voltage, and supplies the reduced driving voltage to the data driver IC. The reference voltage generator, the data driver ICs, and the timing controller are mounted on the PCB. A first transmission line which connects the reference voltage generator and the data driver ICs, and a second transmission line which connects the timing controller and the data driver ICs are formed on the PCB. 1. A liquid crystal display (LCD) device , comprising:a plurality of data driver ICs comprising a gamma voltage generator that generates a gamma voltage;a timing controller that generates an EPI packet for controlling the data driver ICs;an EEPROM storing packet data that controls the gamma voltage;a power supply that generates a driving voltage;a reference voltage generator that reduces the driving voltage, and supplies the reduced driving voltage to the data driver ICs; anda PCB, the reference voltage generator, the data driver ICs, and the timing controller being mounted on the PCB,wherein a first transmission line which connects the reference voltage generator and the data driver ICs, and a second transmission line which connects the timing controller and the data driver ICs are formed on the PCB.2. The LCD device of claim 1 , wherein the timing controller adds a plurality of control signals that control the data driver ICs claim 1 , RGB image data claim 1 , and a plurality of gamma control signals that controls the gamma voltage into the EPI packet claim 1 , and supplies the EPI packet to the data driver ICs.3. The LCD device of claim 2 , wherein the timing controller generates the gamma ...

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Номер записи: 11
11-04-2013 дата публикации

DISPLAY DEVICE

Номер: US20130088483A1
Автор: Abe Hiroyuki, Maki Masahiro, Suzuki Takayuki
Принадлежит: JAPAN DISPLAY EAST INC.

A display device includes a first-stage output circuit adapted to perform output to a first-stage output signal line as an endmost output signal line out of a plurality of output signal lines disposed in parallel to each other, and the first-stage output circuit includes a start signal line to which a start signal for applying a conducting potential sequentially to the plurality of output signal lines is applied, a first clock signal line to which a first clock signal is applied, a second clock signal line to which a second clock signal is applied, a first transistor having a source to which the first-stage output signal line is connected, and a drain to which the first clock signal line is connected, and a second transistor having a gate to which the start signal line is connected. 1. A display device comprising:a drive circuit adapted to apply sequentially, a conducting potential which is an electrical potential to set a transistor to a conductive state, to a plurality of output signal lines disposed in parallel to each other,wherein the drive circuit has a first-stage output circuit which is a circuit adapted to perform output to a first-stage output signal line which is an endmost output signal line out of the plurality of output signal lines, and a start signal line to which a start signal for applying the conducting potential sequentially to the plurality of output signal lines is applied,', 'a first clock signal line to which a first clock signal which is a clock signal is applied,', "a second clock signal line to which a second clock signal, which is a clock signal, is applied, a period when the second clock signal has the conducting potential doesn't overlap a period when the first clock signal has the conducting potential,", 'a first transistor having a source and a drain, one of which the first-stage output signal line is connected directly or indirectly to, and the other of which the first clock signal line is connected directly or indirectly to,', 'a ...

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Номер записи: 12
18-04-2013 дата публикации

SCANNING SIGNAL LINE DRIVE CIRCUIT AND DISPLAY DEVICE PROVIDED WITH SAME

Номер: US20130093743A1
Автор: Iwase Yasuaki, Takahashi Yoshihisa
Принадлежит: SHARP KABUSHIKI KAISHA

In a monolithic gate driver, a power consumption is reduced as compared with a conventional one without lowering a voltage of a scanning signal to be applied to a gate bus line as compared with a conventional one. 1. A scanning signal line drive circuit of a display device , for driving a plurality of scanning signal lines disposed in a display part , the scanning signal line drive circuit comprising:a shift register including a plurality of stages and sequentially outputting ON-level scanning signals in order to sequentially drive the plurality of scanning signal lines, on the basis of a plurality of externally input clock signals, wherein a first-output-node for outputting the scanning signal that drives the scanning signal line, the first-output-node being connected to the scanning signal line,', 'a second-output-node for outputting a different stage control signal that controls an operation of the stage constituent circuit in the different stage,', 'a first output control switching element having a second electrode to which an ON-level DC power supply potential is fed, and a third electrode connected to the first-output-node,', 'a second output control switching element having a second electrode to which the clock signal is fed, and a third electrode connected to the second-output-node,', 'a first-node connected to a first electrode of the first output control switching element,', 'a node region formed by one or more nodes including a second-node connected to a first electrode of the second output control switching element,', 'a third-node configured to change from an OFF level to an ON level in a period from a point in time at which the second-node is brought into the ON level to a point in time of termination of a full charge period that is a period in which the scanning signal to be output from the first-output-node should be brought into the ON level,', 'a first potential difference holding part for holding a difference in potential between the first-node ...

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Номер записи: 13
25-04-2013 дата публикации

Apparatus, Display Module and Method for Adaptive Blank Frame Insertion

Номер: US20130100150A1
Автор: Kurikko Jarmo Juhani
Принадлежит: Nokia Corporation

An apparatus including a controller; a display; a frame memory configured to load a frame of data to the display and configured to be filled by a frame of data from the controller, wherein the controller is configured to control the insertion of blank fields between frames of data displayed on the display in dependence upon a detected context. 1. An apparatus comprising:a controller;a display;a frame memory configured to load a frame of data to the display and configured to be filled by a frame of data from the controller,wherein the controller is configured to control the insertion of blank fields with respect to frames of data displayed on the display in dependence upon a detected context.2. An apparatus as claimed in claim 1 , wherein the controller is configured to start inserting blank fields with respect to frames of data displayed on the display in dependence upon detecting a predetermined change in context.3. An apparatus as claimed in claim 2 , wherein the predetermined change in context is a decrease in a detected illuminance below a threshold.4. An apparatus as claimed in claim 1 , wherein the controller is configured to change the duration of the inserted blank fields in dependence upon detecting a predetermined change in context.5. An apparatus as claimed in claim 4 , wherein the predetermined change in context is a change in detected illuminance.6. An apparatus as claimed in claim 1 , wherein the controller is configured to dynamically change the duration of the inserted blank fields in real-time dependence upon detecting a dynamic change in context.7. An apparatus as claimed in claim 6 , wherein the dynamic change in context is a change in detected illuminance.8. An apparatus as claimed in claim 1 , wherein the context is ambient light conditions.9. An apparatus as claimed in claim 1 , further comprising lighting for the display controlled by the controller; wherein the controller is configured to control insertion of blank fields with respect to ...

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Номер записи: 14
25-04-2013 дата публикации

DISPLAY DRIVER PROCESSING METHOD, DEVICE AND SYSTEM

Номер: US20130100151A1
Автор: ZHANG Hao
Принадлежит: Huawei Technologies Co., Ltd.

A computing machine includes a virtual machine monitor and a display adapter. The virtual machine monitor receives a graphics device interface (GDI) instruction including display content information and virtual machine identification information from a virtual machine, obtains video memory identification information by querying a correspondence between the virtual machine identification information and the video memory identification information, and sends a display driver message including the display content information and the video memory identification information to the display adapter. The display adapter receives the display driver message, stores the display content information in a video memory in the display adapter according to the video memory identification information, and sends the display driver message to a client terminal via a network interface card in the display adapter. 1. A display driver processing method in a virtual desktop infrastructure , comprising:receiving, by a display adapter, a display driver message including display content information and video memory identification information, from a virtual machine monitor, wherein the display content information is obtained from a graphics device interface (GDI) instruction received by the virtual machine monitor from a virtual machine, and the video memory identification information corresponds to virtual machine identification information of the virtual machine included in the GDI instruction and identifies a video memory in the display adapter; andstoring, by the display adapter, the display content information in the video memory in the display adapter according to the video memory identification information; andsending, by the display adapter, the display driver message to a client terminal via a network interface card in the display adapter.2. The method according to claim 1 , wherein the display driver message is sent to the network interface card in the display adapter through a ...

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Номер записи: 15
25-04-2013 дата публикации

METHOD AND APPARATUS FOR PROCESSING IMAGE DISPLAY

Номер: US20130100152A1
Автор: CHEN Heyi, FENG Jinghua, MA Jinyong
Принадлежит: HUAWEI DEVICE CO., LTD.

Embodiments of the present invention disclose a method and an apparatus for processing an image display, which relate to the field of image processing technologies and are invented for improving user experience in using a videoconferencing system The method includes: acquiring each frame image of the video source image; identifying whether a current frame image is the same as a previous relevant frame image of the current frame image among each frame image of the video source image; buffering the current frame image and the previous relevant frame image when the current frame image is different from the previous relevant frame image; and sending the buffered images to at least two display devices for displaying, respectively. The embodiments of the present invention mainly apply to a videoconferencing system. 1. A method for processing an image display , comprising:acquiring each frame image of a video source image;identifying whether a current frame image is the same as a previous relevant frame image of the current frame image among each frame image of the video source image;buffering the current frame image and the previous relevant frame image when the current frame image is different from the previous relevant frame image; andsending the buffered images to at least two display devices for displaying, respectively.2. The method according to claim 1 , wherein the identifying whether the current frame image is the same as the previous relevant frame image of the current frame image among each frame image of the video source image comprises one of the group consisting of:(a) detecting similarity of content between the current frame image and the previous relevant frame image, wherein when the similarity is lower than a preset threshold, the current frame image is identified as being different from the previous relevant frame image; when the similarity is not lower than a preset threshold, the current frame image is identified as being the same as the previous ...

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Номер записи: 16
25-04-2013 дата публикации

GRAPHIC METER DEVICE

Номер: US20130100164A1
Автор: Oishi Yukio
Принадлежит: Yazaki Corporation

There is provided a graphic meter device which improves the visibility of a needle and which allows for easy determination of the kind of indicator. The graphic meter device includes a dot matrix display () for displaying a needle indicator image () provided with a dial () and a needle () pointing to the dial () in accordance with a measured quantity and a CPU () for controlling a display state of the dot matrix display (), the CPU being arranged to display a colored region () of the needle () of the dial () with a color different from the rest of the region in the dial (). 1. A graphic meter device comprising:a display unit for displaying a needle indicator image provided with a dial and a needle pointing to the dial in accordance with a measured quantity; anda display control unit for controlling a display state of the display unit,wherein the display control unit is arranged to display a fixed region located around a tip end of the needle in the dial such that the fixed region is colored different from the rest of the region in the dial.2. The graphic meter device according to claim 1 , wherein the display control unit is arranged to display the fixed region such that the color gradually becomes lighter with increasing distance from the needle.3. The graphic meter device according to claim 1 , wherein the display control unit is capable of switching between a plurality of kinds of needle indicator images displayed on the display unit claim 1 , and wherein the display control unit is arranged to display the fixed regions of the plurality of kinds of needle indicator images using different colors with respect to each other.4. The graphic meter device according to claim 2 , wherein the display control unit is capable of switching between a plurality of kinds of needle indicator images displayed on the display unit claim 2 , and wherein the display control unit is arranged to display the fixed regions of the plurality of kinds of needle indicator images using ...

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Номер записи: 17
16-05-2013 дата публикации

IMAGE FORMING APPARATUS

Номер: US20130120225A1
Автор: Hanada Yoshihiro
Принадлежит: PIONEER CORPORATION

An image forming apparatus that displays an image, includes: a scanning section that scans light from a light source in a main scanning direction and a sub-scanning direction orthogonal to the main scanning direction, as drawing sine waves; a detecting part that detects a change in a position of the scanning part in the main scanning direction and a change in a position of the scanning part in the sub-scanning direction; a phase difference comparator that detects a phase difference and a frequency ratio between the main scanning direction and the sub-scanning direction, based on the change in the position of the main scanning direction and the change in the position of the sub-scanning direction; and an image data generation part that estimates a scanning trajectory of the scanning part based on the phase difference and the frequency ratio, and generates pixel data corresponding to the scanning trajectory. 1. An image forming apparatus configured to display an image , comprising:a scanning section configured to scan light from a light source in a main scanning direction and a sub-scanning direction orthogonal to the main scanning direction as drawing sine waves at predetermined resonance frequencies, respectively;a drive control part configured to track a change in the resonance frequencies to perform drive control of the scanning part according to changed resonance frequencies;a detecting part configured to detect a change in a position of the scanning part in the main scanning direction and a change in a position of the scanning part in the sub-scanning direction;a phase difference comparator configured to detect a phase difference and a frequency ratio between the main scanning direction and the sub-scanning direction, based on the change in the position of the main scanning direction and the change in the position of the sub-scanning direction, which are detected by the detecting part; andan image data generation part configured to estimate a scanning trajectory ...

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Номер записи: 18
16-05-2013 дата публикации

Flat Panel Display and Method for Driving the Same

Номер: US20130120343A1
Автор: Ahn Ji-Young, Lee Bu-Yeol, Shin Jeong-Keun
Принадлежит: LG DISPLAY CO., LTD.

Disclosed herein are a flat panel display which is capable of reducing consumption of standby power, and a method for driving the same. The flat panel display includes a display unit for displaying an image, a driving circuit for controlling driving of the display unit, a receiver for receiving a user command, and a power supply unit for setting a power mode to a driving mode or a standby mode according to a predefined power setting or the user command, and supplying driving power to the display unit, driving circuit and receiver in the driving mode and only to the receiver in the standby mode. When the power mode is set to the standby mode, the power supply unit generates the driving power using a battery contained therein and supplies the generated driving power to the receiver, and cuts off input of external power. 1. A flat panel display comprising:a display unit for displaying an image;a driving circuit for controlling driving of the display unit;a receiver for receiving a user command; anda power supply unit for setting a power mode to a driving mode or a standby mode according to a predefined power setting or the user command, and supplying driving power to the display unit, driving circuit and receiver in the driving mode and only to the receiver in the standby mode,wherein the power supply unit, when the power mode is set to the standby mode, generates the driving power using a battery contained therein and supplies the generated driving power to the receiver, and cuts off input of external power.2. The flat panel display according to claim 1 , wherein the power supply unit comprises:the battery;a switch for switching the input of the external power supplied through a power plug;a power generator for generating the driving power using battery power supplied from the battery or the external power supplied from the switch; anda power supply controller for setting the power mode to the driving mode or standby mode according to the power setting or user command ...

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Номер записи: 19
30-05-2013 дата публикации

DISPLAY DEVICE AND ELECTRONIC DEVICE

Номер: US20130135277A1
Автор: IKEDA Takayuki, Nakagawa Takashi
Принадлежит: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

To suppress enlargement of pixel area even in the case of reducing current supplied to an electroluminescent element. A switch transistor, a first driving transistor, an electroluminescent element, and a second driving transistor provided between the first driving transistor and the electroluminescent element are included. A power supply potential is supplied to a gate of the second driving transistor. Drain current of the second driving transistor is controlled by the first driving transistor and the second driving transistor, so that a value of current supplied to the electroluminescent element is controlled. 2. The display device according to claim 1 ,wherein a conductivity type of the first transistor is a same as a conductivity type of the second transistor.3. The display device according to claim 1 ,wherein the first transistor comprises a first semiconductor layer comprising a channel formation region,wherein the second transistor comprises a second semiconductor layer comprising a channel formation region, andwherein each of the first semiconductor layer and the second semiconductor layer is a single crystal silicon layer.4. The display device according to whose horizontal resolution is more than or equal to 800 ppi.5. An electronic device comprising the display device according to .6. A display device comprising:a first pixel;a second pixel;a first data signal line;a first gate signal line;a second gate signal line; anda power supply line;wherein each of the first pixel and the second pixel comprises a first transistor, a second transistor, a third transistor, an electroluminescent element,wherein a first terminal of the first transistor of each of the first pixel and the second pixel is electrically connected to a first terminal of the second transistor of each of the first pixel and the second pixel,wherein a second terminal of the second transistor of each of the first pixel and the second pixel is electrically connected to a first terminal of the ...

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Номер записи: 20
30-05-2013 дата публикации

TUNING DISPLAY DEVICES

Номер: US20130135279A1
Автор: Pui Boon Hean
Принадлежит: PLASTIC LOGIC LIMITED

A technique comprising: determining a correction to a drive voltage for the front plane common electrode of a first display device according to the result of one or more measurements of an optical property for the first display device and the result of one or more measurements of said optical property for one or more other devices including an optical medium having the same optical response as the first display device. 1. A method , comprising: determining a correction to a drive voltage for the front plane common electrode of a first display device according to the result of one or more measurements of an optical property for the first display device and the result of one or more measurements of said optical property for one or more other devices including an optical medium having the same optical response as the first display device.2. A method according to claim 1 , determining from said measurements of said optical property for one or more other devices including an optical medium having the same optical response as the first display device a relationship between a change in the drive voltage for said front plane common electrode and a corresponding change in said optical property; measuring said optical property for the first display device at a first drive voltage for said front plane common electrode; and determining a correction to the first drive voltage on the basis of said relationship.3. A method according to claim 2 , wherein said display device comprises a plurality of display pixels each controlled by a respective transistor including a gate electrode; and said optical property is a variation in the luminance of one or more of said display pixels after switching the gate electrode from an on state to an off state.4. A method according to claim 3 , wherein said variation in luminance is due to a mismatch between a voltage induced on said one or more display pixels and said drive voltage applied to the front plane common electrode.5. A method according ...

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Номер записи: 21
30-05-2013 дата публикации

ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS

Номер: US20130135365A1
Автор: Ito Akihiko
Принадлежит: SEIKO EPSON CORPORATION

A plurality of pixels are arranged at each intersection of a plurality of scanning lines and a plurality of signal lines, and respectively includes a liquid crystal element displaying grayscales according to a grayscale potential of each signal line during the selection of each scanning line. To two pixels which are adjacent to each other in an extending direction of a signal line and correspond to two scanning lines selected by a scanning line driving circuit in each selection period, a signal line driving circuit supplies a grayscale potential according to a grayscale computed as the weighted average of grayscales designated by display data supplied to a display control circuit for each of the two pixels. 1. An electro-optical device that alternately displays a right-eye image and a left-eye image in each display period comprising:a plurality of scanning lines that includes a plurality of first scanning lines and a plurality of second scanning lines that are alternately arranged;a plurality of signal lines that intersects with the plurality of scanning lines;a plurality of pixels each of which is disposed at each intersection of the plurality of scanning lines and the plurality of signal lines;a first driving circuit that, in respective display periods of a right-eye image and a left-eye image, sequentially selects scanning lines of a first pair including a first scanning line and a second scanning line out of the plurality of scanning lines which are adjacent to each other in each selection period of a first unit period of the display period, and sequentially selects scanning lines of a second pair including a first scanning line and a second scanning line which are adjacent to each other in a combination in which one of the scanning lines of the first pair selected in the first unit period straddles the second pair in each selection period of a second unit period after the elapse of the first unit period; anda second driving circuit to which display data ...

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Номер записи: 22
06-06-2013 дата публикации

DISPLAY DEVICE

Номер: US20130141410A1
Автор: Kotani Yoshihiro, OOKI Youichi
Принадлежит: JAPAN DISPLAY EAST INC.

A method of terminating a pair of transmission lines is changed over by terminal setting. Display data is supplied to a master drive circuit and (n−1)-pieces of drive circuits from a host computer via the pair of transmission lines in accordance with a differential serial transmission system. Each drive circuit includes an SELC terminal. When a voltage inputted to the SELC terminal is at a first voltage level, a resistor having a resistance value of Ra is connected between the pair of transmission lines in the master drive circuit thus terminating the pair of transmission lines, and the pair of transmission lines in the slave drive circuits is opened. When the voltage inputted to the SELC terminal is at a second voltage level which differs from the first voltage level, a resistor having a resistance value of (n×Ra) is connected between the pair of transmission lines. 1. A display device comprising:a plurality of pixels; andn (n≧2) pieces of drive circuits for driving the plurality of pixels, whereindisplay data is supplied to the respective drive circuits from a host computer via a pair of transmission lines in accordance with a differential serial transmission system,one drive circuit out of the n pieces of drive circuits is operated as a master drive circuit,each drive circuit other than the master drive circuit out of the n pieces of drive circuits is operated as a slave drive circuit,each of the drives circuit includes an SELC terminal,when a voltage inputted to the SELC terminal is at a first voltage level, a resistor having a resistance value of Ra is connected between the pair of transmission lines in the master drive circuit thus terminating the pair of transmission lines, and a resistor is not connected between the pair of transmission lines in the slave drive circuit thus opening the pair of transmission lines, andwhen the voltage inputted to the SELC terminal is at a second voltage level which differs from the first voltage level, a resistor having a ...

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Номер записи: 23
06-06-2013 дата публикации

PROJECTION SYSTEM AND INFORMATION PROCESSING APPARATUS

Номер: US20130141475A1
Автор: KOTANI Junji
Принадлежит: CANON KABUSHIKI KAISHA

An information processor receives, from each of a plurality of projectors, the number of pixels to be projected and the number of pixels of a region to be superposed of the projector, and the information processor calculates the number of pixels of an integrated image based on the number of pixels to be projected and the number of pixels of a region to be superposed of each projection screen of the projectors. 1. A projection system comprising:a plurality of projectors; andan information processor,wherein the projection system displays an integrated image on a projection screen by partially superposing images projected by the plurality of projectors,wherein the information processor receives the number of pixels to be projected and the number of pixels of a region to be superposed from each of the plurality of projectors, andwherein the information processor calculates the number of pixels of the integrated image based on the number of pixels to be projected and the number of pixels of the region to be superposed of each projection screen of the projectors.2. The system according to claim 1 ,wherein the information processor obtains image data from an external device,wherein the number of pixels of the integrated image, which is calculated by the information processor, is transmitted to the external device.3. The system according to claim 1 ,wherein the plurality of projectors are connected serially.4. The system according to claim 1 ,wherein the information processor is a projector.5. The system according to claim 1 ,wherein the information processor receives, from each projector, layout information of the projector in the integrated image,wherein the information processor calculates the number of pixels of the integrated image based on the number of pixels to be projected, the number of pixels of the region to be superposed, and the layout information of each projection screen of the projectors.6. An information processing apparatus comprising:a communication unit ...

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Номер записи: 24
13-06-2013 дата публикации

DISPLAY DEVICE

Номер: US20130147780A1
Автор: KAWACHI Genshiro, KITA Kazuo
Принадлежит: Panasonic Liquid Crystal Display Co., Ltd.

In a liquid crystal display device, a data signal generation unit generates a data signal for controlling the orientation of liquid crystal. A plurality of transistors supply the data signal output from a source IC unit to a plurality of data signal lines of a liquid crystal display panel in a time sharing manner. A gate signal line controls each of the plurality of transistors. A fluctuation suppression unit is connected to the gate signal line that controls any one of the plurality of transistors, and suppresses, in accordance with a gate signal of the connected gate signal line, a voltage fluctuation in the data signal which occurs when another transistor changes from the ON state to the OFF state. 1. A display device , comprising:a data signal generation unit for generating a data signal for controlling a pixel;a plurality of transistors for supplying the data signal output from the data signal generation unit to a plurality of data signal lines of a display panel in a time sharing manner;a gate signal line for controlling each of the plurality of transistors; anda fluctuation suppression unit connected to the gate signal line that controls any one of the plurality of transistors, for suppressing, in accordance with a gate signal of the connected gate signal line, a voltage fluctuation in the data signal which occurs when another one of the plurality of transistors changes from an ON state to an OFF state.2. The display device according to claim 1 , wherein the fluctuation suppression unit suppresses the voltage fluctuation in the data signal in accordance with a change in the gate signal of the connected gate signal line in a period from when the another one of the plurality of transistors has changed from the ON state to the OFF state until write timing of the data signal.3. The display device according to claim 1 , wherein:the one of the plurality of transistors, which is controlled by the gate signal line connected to the fluctuation suppression unit, ...

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Номер записи: 25
13-06-2013 дата публикации

Frame Buffer Management and Self-Refresh Control in a Self-Refresh Display System

Номер: US20130147822A1
Автор: Lu Ding, Xu Jieyang, Yu Qing
Принадлежит:

A system and method are disclosed is to prevent the screen tearing in a video display system with self-refresh features while limiting space used for memory size in the self-refreshing sink device. A flexible method is utilized to manage a frame buffer and control self-refresh display timing to prevent screen tearing. The sink device has capabilities including one or more of self-refreshing and applying single frame updates as well as burst single frame updates while self-refresh is active. The memory utilized by the frame buffer during self-refresh is limited to less than that needed to store two full frames of video. 1. A method for controlling a self-refresh display system , the method comprising:receiving a first video frame from a video source;storing the first video frame in a frame buffer;outputting the first video frame for display on a screen;receiving a second video frame from the video source;storing a first portion of the second video frame in an unused portion of the frame buffer;storing a second portion of the second video frame in the frame buffer by overwriting one or more lines of the first video frame; andoutputting the second video frame for display on the screen.2. The method of claim 1 , further comprising:receiving a command from the video source to enter self-refresh; andoutputting the first video frame for display until the second video frame is received.3. The method of claim 1 , wherein the size of the frame buffer is less than the size of the first video frame and second video frame combined.4. The method of claim 1 , wherein outputting the second video frame for display occurs if a write threshold is met claim 1 , the write threshold being a number of lines of the second video frame already stored in the frame buffer.5. The method of claim 4 , wherein the first video frame is again output for display if the write threshold is not met.6. The method of claim 4 , wherein the size of the frame buffer is the size of the first video frame plus ...

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Номер записи: 26
20-06-2013 дата публикации

LIGHT SOURCE DEVICE HAVING FIRST LIGHT SOURCE, SECOND LIGHT SOURCE, AND CONTROL SECTION TO CONTROL DRIVE TIMING OF FIRST LIGHT SOURCE AND SECOND LIGHT SOURCE SUCH THAT DRIVE PATTERN OF SECOND LIGHT SOURCE IS INVERSION OF DRIVE PATTERN OF FIRST LIGHT SOURCE, AND PROJECTION APPARATUS AND PROJECTION METHOD WHICH UTILIZE SAID LIGHT SOURCE DEVICE

Номер: US20130155128A1
Автор: Miyazaki Takeshi
Принадлежит: CASIO COMPUTER CO., LTD.

A light source device includes a first light source configured to emit light within a first wavelength band, a second light source configured to emit light within a second wavelength band, and a light source control section configured to control drive timing of the first light source with a first drive pattern, and to control drive timing of the second light source with a second drive pattern which is an inverted pattern of the first drive pattern of the first light source, such that a light emission period for light-source light using light emitted by the second light source is positioned between light emission periods for the light-source light emitted by the first light source, and such that a frequency of the light-source light using light emitted by the second light source is higher than a frequency of light emitted by the first light source. 1. A light source device comprising:a first light source configured to emit light within a first wavelength band;a second light source configured to emit light within a second wavelength band; anda light source control section configured to control drive timing of the first light source with a first drive pattern, and to control drive timing of the second light source with a second drive pattern which is an inverted pattern of the first drive pattern of the first light source, such that a light emission period for light-source light using light emitted by the second light source is positioned between light emission periods for the light-source light emitted by the first light source, and such that a frequency of the light-source light using light emitted by the second light source is higher than a frequency of light emitted by the first light source.2. The light source device according to claim 1 , wherein the light source control section intermittently drives the first light source at predetermined time intervals claim 1 , and intermittently drives the second light source such that the second light source is activated ...

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Номер записи: 27
27-06-2013 дата публикации

Signal Converter Circuit, Display Device, and Electronic Device

Номер: US20130162613A1
Автор: Miyake Hiroyuki, Watanabe Kazunori
Принадлежит: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

To suppress an adverse effect of change in held data in a sample-and-hold circuit as a result of increase in operation speed on a generated parallel data signal. A signal converter circuit includes a first sample-and-hold circuit and a second sample-and-hold circuit each of which has a function of extracting and holding part of a serial data signal as a data in accordance with a sampling control signal and has a function of generating a data signal which is one of data signals of a parallel data signal by using the held data and outputting the data signal. The second sample-and-hold circuit includes a switch which has a function of selecting whether the potential of the data of the second sample-and-hold circuit is set to a reference potential or not in accordance with the sampling control signal of the first sample-and-hold circuit. 1. A signal converter circuit comprising:a data signal line;a reference potential line; a first switch electrically connected to the data signal line; and', 'a first capacitor electrically connected to the first switch;, 'a first sample-and-hold circuit comprising a second switch electrically connected to the reference potential line;', 'a third switch electrically connected to the data signal line; and', 'a second capacitor electrically connected to the second switch and the third switch; and, 'a second sample-and-hold circuit comprisinga wiring electrically connected to the first switch and the second switch.2. The signal converter circuit according to claim 1 , further comprising:a first amplifier circuit electrically connected to the first switch and the first capacitor; anda second amplifier circuit electrically connected to the second capacitor, the second switch, and the third switch.3. The signal converter circuit according to claim 1 ,wherein the first switch is a first transistor,wherein the second switch is a second transistor,wherein the third switch is a third transistor, andwherein a source or a drain of the first ...

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Номер записи: 28
27-06-2013 дата публикации

DISPLAY DEVICE AND DRIVING METHOD OF THE DISPLAY DEVICE

Номер: US20130162621A1
Автор: AKIMOTO Hajime, Kajiyama Kenta, MUNEYOSHI Takahiko
Принадлежит: JAPAN DISPLAY EAST INC.

A display device includes a plurality of pixels each including a mechanical shutter. The display device electrically controls the position of the mechanical shutter to provide image display. Each of the pixels includes a pixel circuit for electrically controlling the position of the mechanical shutter. The pixel circuit includes a first control electrode and a second control electrode provided as a pair with respect to the mechanical shutter; a first mean for applying a prescribed control voltage to the first control electrode and the second control electrode to put the mechanical shutter and the first control electrode or the second control electrode into contact with each other; and a second mean for, in a state where the mechanical shutter is at a stop, decreasing a potential difference between the mechanical shutter and the first control electrode or the second control electrode which is in contact with the mechanical shutter. 1. A display device , comprising a plurality of pixels each including a mechanical shutter , the display device electrically controlling the position of the mechanical shutter to provide image display , wherein:each of the pixels includes a pixel circuit for electrically controlling the position of the mechanical shutter; and a first control electrode and a second control electrode provided as a pair with respect to the mechanical shutter;', 'a first mean for applying a prescribed control voltage to the first control electrode and the second control electrode to put the mechanical shutter and the first control electrode or the second control electrode into contact with each other; and', 'a second mean for, in a state where the mechanical shutter is at a stop, decreasing a potential difference between the mechanical shutter and the first control electrode or the second control electrode which is in contact with the mechanical shutter., 'the pixel circuit includes2. A display device , comprising a plurality of pixels each including a ...

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Номер записи: 29
27-06-2013 дата публикации

IMAGE PROCESSING APPARATUS CAPABLE OF LOOP PLAYBACK OF VIDEO, METHOD OF CONTROLLING THE SAME, AND STORAGE MEDIUM

Номер: US20130163955A1
Автор: Yamamoto Jun
Принадлежит: CANON KABUSHIKI KAISHA

An image processing apparatus capable of executing loop playback of a video from a start position desired by a system user without requiring setting thereof in advance. A button displayed on a console section shifts a playback position of the video to a desired position according to an operation by a user. A comparative determination section determines whether or not a shifted playback position shifted backward. When the shifted playback position shifted backward, a video controller stores the shifted playback position as a start position of a loop playback section and the playback position before being shifted as an end position of the same, and gives an instruction for controlling loop playback of the loop playback section defined by the start position and the end position. 1. An image processing apparatus capable of playing a video comprising:a shift unit configured to shift a playback position of the video to a desired position according to an operation by a user;a determination unit configured to determine whether or not a playback position after being shifted by said shift unit is a position shifted backward from the playback position before being shifted; andan operation unit configured to, when said determination unit determines that the playback position after being shifted is a position shifted backward from the playback position before being shifted, store the playback position after being shifted as a start position of a loop playback section, store the playback position before being shifted as an end position of the loop playback section, and give an instruction for controlling loop playback of the loop playback section defined by the start position and the end position.2. The image processing apparatus according to claim 1 , further comprising a comparison determination unit configured to claim 1 , when the number of loop playback sections determined between stored start positions and stored end positions claim 1 , respectively claim 1 , is equal to a ...

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Номер записи: 30
04-07-2013 дата публикации

METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS FOR PERFORMING THE SAME

Номер: US20130169619A1
Автор: HA YOUNG-SUK, Jeon Jee-Hoon, JEONG Jae-Won, JUNG Woo-Jin, Jung Youn-Jin, KIM Kang-Hyun, OH Kwan-Young, PARK Po-Yun
Принадлежит: Samsung Display Co., Ltd.

A display panel apparatus includes a display panel and a timing controller, and a data driver. The display panel includes a first subpixel and a second subpixel. The timing controller is configured to receive a first subpixel data for the first subpixel and a second subpixel data for the second subpixel. When the second subpixel is determined to be defective, the timing controller generates a compensated grayscale of the second subpixel data. The data driver is configured to apply a precharge voltage to the second subpixel and a charging voltage to second subpixel through a data line, wherein the precharge voltage is based on a grayscale of the first subpixel data and the charging voltage is based on the compensated grayscale of the second subpixel data. 1. A method of driving a display panel comprising:receiving a first subpixel data for a first subpixel;receiving a second subpixel data for a second subpixel;applying a precharge voltage to the second subpixel based on a grayscale of the first subpixel data through a data line;determining whether the second subpixel has a displaying defect based on the grayscale of the first subpixel data and a grayscale of the second subpixel data;generating a compensated grayscale of the second subpixel data when the second subpixel is determined to have the displaying defect; andapplying a charging voltage based on the compensated grayscale of the second subpixel data to the second subpixel through the data line.2. The method of further comprising applying a first gate signal and a second gate signal sequentially claim 1 , each having an ON level for two successive horizontal periods claim 1 , wherein a second horizontal period of the first gate signal is overlapped with a first horizontal of the second gate signal.3. The method of claim 2 , wherein the precharge voltage and the charging voltage are applied to the second subpixel for the first horizontal period and the second horizontal period of the second gate signal claim 2 , ...

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Номер записи: 31
11-07-2013 дата публикации

PLASMA DISPLAY PANEL DRIVE METHOD AND PLASMA DISPLAY DEVICE

Номер: US20130176294A1
Автор: Origuchi Takahiko, Saito Ayuhiko, Shiozaki Yuya, Shoji Hidehiko
Принадлежит: Panasonic Corporation

In the plasma display apparatus, accidental discharge is prevented from occurring in a second discharge cell. For this purpose, in driving a plasma display panel having first data electrodes and second data electrodes that are arranged in parallel with the first data electrodes in a region outside the region where the plurality of first data electrodes are arranged, first voltage is set to be higher than second voltage in at least one subfield. Here, it is assumed that the first voltage is the voltage derived by subtracting the voltage applied to the first data electrodes from the voltage applied to the second data electrodes when down-ramp waveform voltage is applied to scan electrodes in the initializing period, and the second voltage is the voltage derived by subtracting the low-voltage-side voltage of the address pulse applied to the first electrodes from the voltage applied to the second data electrodes in the address period. 1. A driving method of a plasma display panel that forms one field using a plurality of subfields having an initializing period , an address period and a sustain period , scan electrodes and sustain electrodes arranged in parallel with each other;', 'first data electrodes arranged three-dimensionally crossing the scan electrodes; and', 'second data electrodes arranged in parallel with the first data electrodes in a region outside a region where the plurality of first data electrodes are arranged,, 'the plasma display panel comprising setting a first voltage by subtracting a voltage applied to the first data electrodes from a voltage applied to the second data electrodes when a down-ramp waveform voltage is applied to the scan electrodes in the initializing period,', 'setting a second voltage by subtracting a low-voltage-side voltage of an address pulse applied to the first data electrodes from a voltage applied to the second data electrodes in the address period; and then', 'setting the first voltage higher than the second voltage in at ...

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Номер записи: 32
11-07-2013 дата публикации

DISPLAY APPARATUS AND DRIVING METHOD THEREOF

Номер: US20130176296A1
Автор: CHO Eun-il, YANG Joon-hyun, YI Kang-hyun
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

A display apparatus and driving method is provided. The display apparatus includes a power supply unit which supplies a DC voltage, a switch unit which is connected to the power supply unit in series and performs a switching operation according to different switching signals, a transformer unit which switches a voltage applied to primary winding to secondary winding according to the switching operation of the switch unit, a synchronous rectifying unit which performs synchronous rectification with respect to the voltage induced to the secondary winding, and an output unit which outputs the rectified DC voltage. 1. A display apparatus comprising:a display unit which comprises a plurality of pixels; anda voltage driving unit which provides a driving voltage to one of the plurality of pixels,wherein the voltage driving unit comprises:a power factor correction (PFC) unit which compensates for a power factor on an alternating current (AC) input voltage and converts the AC input voltage into a direct current (DC) voltage;a converter unit which converts the converted DC voltage into an output voltage level and comprises a synchronous rectifying unit to perform synchronous rectification; anda driving circuit unit which provides the driving voltage using the voltage output from the converter unit.2. The display apparatus as claimed in claim 1 , wherein the converter unit comprises:a power supply unit which supplies the converted DC voltage;a switch unit which is connected to the power supply unit in series and performs a switching operation according to different switching signals;a transformer unit which switches a voltage applied to primary winding to secondary winding according to the switching operation of the switch unit;a synchronous rectifying unit which performs synchronous rectification with respect to the voltage induced to the secondary winding; andan output unit which outputs the rectified DC voltage.3. The display apparatus as claimed in claim 2 , wherein the ...

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Номер записи: 33
18-07-2013 дата публикации

DISPLAY DRIVE CHIP INCLUDING EXTERNAL WIRING AND DISPLAY DEVICE

Номер: US20130181966A1
Автор: Jeong Eui-Hyuk, Park Hae-woon
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

A display drive chip and a display device including the same are disclosed. The display drive chip can include a first voltage generating unit outputting a power voltage and a second voltage generating unit outputting the power voltage. A circuit block can receive the power voltage; and a plurality of pads can be connected to internal pads of the power voltage, wherein the display drive has a layout structure in which at least two pads from among the plurality of pads are connected to the first voltage generating unit and the second voltage generating unit, respectively, and the plurality of pads can be connected to each other through external wiring. 1. A display drive chip comprising:a first voltage generating unit outputting a power voltage and a second voltage generating unit outputting the power voltage;a circuit block that receives the power voltage; anda plurality of pads connected to internal wiring of the power voltage,wherein the display drive chip has a layout structure in which at least two pads from among the plurality of pads are connected to the first voltage generating unit and the second voltage generating unit, respectively, and the plurality of pads are connected to each other through external wiring.2. The display drive chip of claim 1 , wherein the at least two pads are spaced apart from each other by a predetermined interval in a layout.3. The display drive chip of claim 1 , further comprising at least one bump claim 1 ,wherein the at least one bump is connected to the plurality of pads through external wiring and has a layout structure positioned in the circuit block.4. The display drive chip of claim 1 , wherein at least one pad from among the plurality of pads is positioned on an output stage.5. The display drive chip of claim 1 , wherein the at least two pads are connected to capacitors claim 1 , respectively.6. The display drive chip of claim 1 , wherein the first voltage generating unit and the second voltage generating unit receive a ...

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Номер записи: 34
08-08-2013 дата публикации

LIQUID CRYSTAL DISPLAY

Номер: US20130201174A1
Автор: HWANG Jun-Ho, Kang Sung-In, Pyun Kihyun, Shin Seung-Woon
Принадлежит: Samsung Display Co., Ltd.

A display apparatus including a plurality of pixels arranged in association with a plurality of gate lines and a plurality of data lines crossing the gate lines, a data driver configured to drive the data lines, a gate driving unit configured to drive the gate lines in synchronization with a gate control signal, and a timing controller configured to control the data driver and the gate driving unit in response to an image signal and a control signal from an exterior. The timing controller outputs the gate control signal including a plurality of pulses respectively corresponding to the gate lines and an enable time of each pulse of the gate control signal is set according to a position of a corresponding gate line of the gate lines. 1. A display apparatus , comprising:a plurality of pixels arranged in association with a plurality of gate lines and a plurality of data lines crossing the gate lines;a data driver configured to drive the data lines;a gate driving unit configured to drive the gate lines in synchronization with a gate control signal; anda timing controller configured to control the data driver and the gate driving unit in response to an image signal and an input control signal, wherein the timing controller is configured to output the gate control signal comprising a plurality of pulses respectively corresponding to the gate lines, and an enable time of each pulse of the plurality of pulses is set according to a position of a corresponding gate line of the gate lines.2. The display apparatus of claim 1 , wherein the gate control signal is a gate pulse signal comprising the pulses respectively corresponding to the gate lines claim 1 , and a charge sharing time of the gate pulse signal is set according to the position of the corresponding gate line of the gate lines.3. The display apparatus of claim 2 , wherein the timing controller is configured to further output a first control signal to control the data driver and a second control signal to control the ...

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Номер записи: 35
22-08-2013 дата публикации

DISPLAY DEVICE, METHOD FOR DRIVING THE SAME, AND ELECTRONIC DEVICE

Номер: US20130215099A1
Автор: Toyomura Naobumi, Uchino Katsuhide
Принадлежит: SONY CORPORATION

A display device including a display unit including first and second lines, light emitting elements and pixel circuits; a first drive unit sequentially applying a selection pulse to the first lines; and a second drive unit applying a signal pulse including first to third voltages to each of the second lines. Each of the pixel circuits includes a first transistor sampling the signal pulse, and a second transistor driving one of the light emitting elements. The first drive unit applies the selection pulse when the first voltage is being applied by the second drive unit, before a correction of a threshold voltage of the second transistor is initiated and within a period that the one of the light emitting elements is being turned out, and the first drive unit applies the selection pulse when the second voltage is being applied by the second drive unit. 1. A display device comprising a display unit including:a plurality of light emitting elements; anda plurality of respective pixel circuits, each of the pixel circuits including a first transistor configured to sample a signal voltage and a second transistor configured to drive the light emitting element in response to the signal voltage, (a) a first voltage, a second voltage, and a third voltage are sequentially supplied to a control electrode of the second transistor;', '(b) the first voltage is higher than the second voltage and the third voltage is a voltage corresponding to the video signal, and', '(c) the first voltage is supplied before a correction of a threshold voltage of the second transistor is initiated and within a period in which the light emitting element is turned off., 'wherein each of the pixel circuits is driven such that2. The display device of claim 1 , wherein a difference between the first voltage and the second voltage is large enough to reduce a probability of occurrence of black dots on the display unit.3. The display device of claim 1 , wherein a selection pulse is applied to the first ...

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Номер записи: 36
22-08-2013 дата публикации

ELECTRONIC APPARATUS

Номер: US20130215337A1
Автор: NAKANISHI Daisuke
Принадлежит: ESPON IMAGING DEVICES CORPORATION

An electronic apparatus includes a back light unit that has a light source, an optical member that is arranged so as to face the irradiation direction of the light of the light source, and a spacer that supports the optical member from the light source side and is arranged in a state in which the optical member is arranged parallel to the direction of gravity or inclined with respect to the direction of gravity, and a display panel that is arranged so as to be superimposed on the optical member of the back light unit. In the back light unit, the number of spacers arranged in an upper half area of the optical member with respect to the direction of gravity is configured to be smaller than that of the spacers arranged in a lower half area of the optical member with respect to the direction of gravity. 1. A Television , comprising:a display panel;a light source;an optical member;a plurality of spacers that support the optical member; andan voice outputting unit,the plurality of spacers including a first number of spacers and a second number of spacers,the first number being an integer number including zero,the first number being smaller than the second numberthe optical member is consisting of a first part and asecond part having an area equal to the first part,the first number of spacers supporting the first part, andthe second number of spacers supporting the second part.2. The television according to claim 1 ,the light source and the optical member being configured such that a first light emitted by the light source enters the optical member.3. The television according to claim 1 ,the display panel being irradiated by a second light emerging out from the optical member.4. The television according to claim 1 ,the second part being positioned at a lower position than the first part.5. A back light unit comprising:a light source;an optical member; anda plurality of spacers that support the optical member,the plurality of spacers including a first number of spacers and ...

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Номер записи: 37
29-08-2013 дата публикации

DISPLAY APPARATUS

Номер: US20130222350A1
Автор: Iida Haruhisa, Isami Hironobu, Kikuchi Hidenori, Ode Yukihide, Tanaka Yasuhiro
Принадлежит:

There is a need for decreasing a variation in times for writing to TFT elements for pixels in a direction along the extension of a gate line in a liquid crystal display apparatus. A display apparatus includes a display panel having multiple gate lines and drain lines arranged in a matrix and a data driver for outputting a display data signal to each drain line. The data driver includes: an internal control signal generation circuit generating an internal control signal for setting a timing to output a data signal to a drain line of each block on a block basis by dividing the plurality of drain lines into multiple blocks; and a register circuit for recording a setting for division of the block, a setting for delay direction and width of a timing to output the data signal, and a setting for rising and falling of an internal control signal. 1. A display apparatus comprising:a display panel having a plurality of gate lines and a plurality of drain lines arranged in matrix;a scanning driver for outputting a scanning signal to each gate line;a data driver for outputting a display data signal to each drain line; andwherein the data driver includes;a data latch circuit for temporarily holding display data;a first latch circuit for holding display data supplied from the data latch circuit in a time-sharing manner until display data is accumulated to become large enough for one horizontal synchronization period;a second latch circuit for holding display data large enough for the one horizontal synchronization period;a level shifter circuit for receiving display data held in the second latch circuit and covers a signal level of the display data;a decoder circuit for generating an analog signal corresponding to the display data signal level converted in the level shifter circuit;an output circuit for amplifying an analog signal generated in the decoder circuit;a switch circuit for outputting an analog signal amplified in the output circuit to a drain line; anda horizontal ...

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Номер записи: 38
05-09-2013 дата публикации

IMAGE PROCESSING DEVICE AND METHOD, AND PROGRAM

Номер: US20130229443A1
Автор: Kuroki Yoshihiko
Принадлежит: SONY CORPORATION

There is provided an image processing device including a gamma value calculation unit that calculates a gamma value for a pixel of an input image based on a grayscale value of the pixel, the gamma value being varied depending on the grayscale value, and an image generation unit that performs grayscale correction on the input image by raising the grayscale value of the pixel of the input image to a power of the gamma value, the grayscale value being normalized. 1. An image processing device comprising:a gamma value calculation unit that calculates a gamma value for a pixel of an input image based on a grayscale value of the pixel, the gamma value being varied depending on the grayscale value; andan image generation unit that performs grayscale correction on the input image by raising the grayscale value of the pixel of the input image to a power of the gamma value, the grayscale value being normalized.2. The image processing device according to claim 1 , wherein the gamma value is varied from a first value to a second value in proportion to the grayscale value claim 1 , the second value being greater than to the first value.3. The image processing device according to claim 2 , wherein the gamma value calculation unit calculates the gamma value by calculating γ+(CV/(2−1))×(γ−γ) claim 2 , where n represents a grayscale bit depth of the pixel of the input image after the grayscale correction is performed claim 2 , CV represents the grayscale value of the pixel claim 2 , γrepresents the first value claim 2 , and γrepresents the second value.4. The image processing device according to claim 3 , wherein claim 3 , when the bit depth n is 12 claim 3 , the first value γis any value between 2.8 and 4.3 claim 3 , and the second value γis any value between 4.7 and 7.0.5. The image processing device according to claim 4 , wherein the image generation unit calculates a pixel value of the pixel of the input image after the grayscale correction is performed by calculating Max_L×(CV ...

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Номер записи: 39
19-09-2013 дата публикации

DATA FORWARDING CIRCUIT, DATA FORWARDING METHOD, DISPLAY DEVICE, HOST-SIDE DEVICE, AND ELECTRONIC APPARATUS

Номер: US20130241859A1
Автор: Saitoh Kohji, Uehata Masaki, Yamato Asahi
Принадлежит: SHARP KABUSHIKI KAISHA

The timing controller determines the number of data lanes (), which are used to transfer data, based on information in relation to an amount of data to be transferred during a predetermined time period. Out of the plurality of data lanes (), the determined number of data lane(s) () are used to transfer data. Further, a data lane(s) () which is not used in the data transfer is deactivated. 1. A data transfer circuit for transferring data with use of at least one of a plurality of data lanes , said data transfer circuit comprising:determining means for determining, based on information in relation to an amount of data to be transferred during a predetermined time period, the number of data lanes via which the data is transferred;transferring means for transferring the data with use of a determined number of data lane(s), which number has been determined by the determining means, out of the plurality of data lanes; anddeactivating means for deactivating a data lane(s), which is not used to transfer the data, out of the plurality of data lanes,the data being indicative of an image to be displayed on a display panel,one (1) vertical period for displaying the image being (i) a transfer period during which the data is transferred to a receiver circuit or (ii) a halt period during which the data is not transferred,the information defining the transfer period and the halt period, andthe determining means setting the number of data lanes to zero during the halt period.2. (canceled)3. The data transfer circuit as set forth in claim 1 , wherein:the information is indicative of the number of tones of the image; andin a case where the determining means determines, based on the information, that the number of tones of the image has been decreased, the determining means sets the number of data lanes to a smaller number.4. The data transfer circuit as set forth in claim 1 , wherein:the information is indicative of the number of tones of the image; andin a case where the determining ...

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Номер записи: 40
26-09-2013 дата публикации

Display Method and Electronic Device

Номер: US20130249873A1
Автор: Liu Junfeng, Wu Fei, ZHANG BO, Zhao Chunlei
Принадлежит:

The disclosure provides a display method and an electronic device. The display method is applicable to an electronic device, the electronic device including at least one display unit, the at least one display unit including a first display region and a second display region, and the first display region and the second display region being in different planes. The display method includes: acquiring display region selection information, and determining a target display region from the first display region and the second display region according to the display region selection information; and acquiring content to be displayed in a target display region, and displaying, according to the determined target display region and a preset display strategy, the content to be displayed on the target display region. The display method and the electronic device provided by the disclosure can determine a target display region from multiple display regions, thereby improving user experience. 1. A display method , applicable to an electronic device , the electronic device comprising at least one display unit , the at least one display unit comprising a first display region and a second display region , and the first display region and the second display region being in different planes , the method comprising:acquiring display region selection information, and determining a target display region from the first display region and the second display region according to the display region selection information; andacquiring content to be displayed in a target display region, and displaying, according to the determined target display region and a preset display strategy, the content to be displayed on the target display region.2. The method according to claim 1 , wherein the acquiring the display region selection information and determining a target display region from the first display region and the second display region according to the display region selection information comprises: ...

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Номер записи: 41
26-09-2013 дата публикации

Light Emitting Device and Method for Driving Thereof

Номер: US20130249887A1
Автор: Umezaki Atsushi
Принадлежит: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

An object of the present invention is to provide a display device consuming lower amounts of power. The display device determines whether or not video signals corresponding to all of pixels in one row of a plurality of pixels are equal to one another. In a case where the video signals corresponding to at least two pixels among the video signals corresponding to all of the pixels in one row of the plurality of pixels, are different from each other, video signals input to an image signal input line are sequentially output to a plurality of source signal lines in synchronization with a sampling pulse output from a shift register. On the other hand, when the video signals corresponding to all of the pixels in one row of the plurality of pixels are equal to one another, input of a start pulse to the source driver is stopped, and the video signals input to the image signal input line are simultaneously output to the plurality of source signal line. 124-. (canceled)25. A display device comprising:a plurality of pixels;a plurality of source signal lines electrically connected to the plurality of pixels;a source driver electrically connected to the plurality of source signal lines, wherein the source driver includes a shift register, an image signal input line configured to input a video signal, a wiring configured to input a control signal, a plurality of first switches, a plurality of second switches, and a plurality of third switches,wherein each of the plurality of third switches includes a control terminal and is configured to turn on or off in accordance with a signal input to the control terminal,wherein the control terminal of each of the plurality of third switches is connectable to an output terminal of the shift register through a corresponding one of the plurality of first switches and is also connectable to a power source through a corresponding one of the plurality of second switches,wherein the image signal input line is connectable to the plurality of source ...

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Номер записи: 42
26-09-2013 дата публикации

METHOD FOR DRIVING DISPLAY ELEMENT AND METHOD FOR DRIVING DISPLAY DEVICE

Номер: US20130249888A1
Автор: SUGIMOTO Hideki, Uchino Katsuhide
Принадлежит: SONY CORPORATION

Disclosed herein is a method for driving a display element including a current-driven light emitting part and a drive circuit, the drive circuit including a write transistor, a drive transistor, and a capacitive part, the method including the steps of: executing threshold voltage cancel processing of changing potential of the second node toward potential obtained by subtracting threshold voltage of the drive transistor from potential of the first node in a state in which the potential of the first node is kept; and executing write processing of applying a video signal from the data line to the first node via the write transistor turned to an on-state by a scan signal from the scan line. 1. A method for driving a display element including a current-driven light emitting part and a drive circuit ,the drive circuit including a write transistor, a drive transistor, and a capacitive part,in the display element,(A-1) one source/drain region of the drive transistor being connected to a first power feed line,(A-2) the other source/drain region of the drive transistor being connected to an anode electrode included in the light emitting part and one electrode of the capacitive part, and forming a second node,(A-3) a gate electrode of the drive transistor being connected to the other source/drain region of the write transistor and the other electrode of the capacitive part, and forming a first node,(B-1) one source/drain region of the write transistor being connected to a data line,(B-2) a gate electrode of the write transistor being connected to a scan line, and(C-1) a cathode electrode included in the light emitting part being connected to a second power feed line,the method comprising the steps of:executing threshold voltage cancel processing of changing potential of the second node toward potential obtained by subtracting threshold voltage of the drive transistor from potential of the first node in a state in which the potential of the first node is kept; andexecuting ...

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Номер записи: 43
26-09-2013 дата публикации

DISPLAY DEVICE, INTEGRATED CIRCUIT, AND CONTROL METHOD

Номер: US20130249970A1
Автор: Asano Mitsuyasu, INOUE Yasuo
Принадлежит: SONY CORPORATION

There is provided a display device including a temporal direction control unit that causes a gain used to control a video signal to respond to an input video signal at high speed when the input video signal sharply increases, and causes the gain to respond to the input video signal at low speed when the input video signal gently increases. 1. A display device comprising:a temporal direction control unit that causes a gain used to control a video signal to respond to an input video signal at high speed when the input video signal sharply increases, and causes the gain to respond to the input video signal at low speed when the input video signal gently increases.2. The display device according to claim 1 , further comprising:a control value selection unit that selects a response control value used to adjust the speed at which the gain is caused to respond to the input video signal based on a difference in a current value between frames,wherein, based on the response control value, the temporal direction control unit adjusts the speed at which the gain is caused to respond to the input video signal.3. The display device according to claim 1 , further comprising:a control value selection unit that selects a high-speed response control value used to cause the gain to respond to the input video signal at the high speed when a telop appears or disappears, and selects a low-speed response control value used to cause the gain to respond to the input video signal at the low-speed when the telop does not appear or disappear,wherein, based on the response control value, the temporal direction control unit adjusts the speed at which the gain is caused to respond to the input video signal.4. The display device according to claim 1 , further comprising:a control value selection unit that selects a response control value used to adjust the speed at which the gain is caused to respond to the input video signal based on codec information,wherein, based on the response control value, ...

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Номер записи: 44
03-10-2013 дата публикации

DISPLAY DEVICE WITH SCAN DRIVER

Номер: US20130257836A1
Автор: Chen Hung-Cheng, Chen Liang-Jung, Wang Chien-Kuo
Принадлежит: ILI TECHNOLOGY CORPORATION

A display device includes a plurality of pixel circuits arranged in a plurality of rows and columns, a plurality of scan lines, a plurality of data lines, a scan driver operable to drive the rows of the pixel circuits in sequence via the scan lines, and a data driver coupled to the columns of the pixel circuits via the data lines. The scan lines include first and second sets of scan lines alternately disposed with each other. For each of the first and second sets of the scan lines, adjacent scan lines have different circuit properties. The scan driver activates each of the scan lines for a respective activation time period according to the circuit property thereof. 1. A display device comprising:a plurality of pixel circuits arranged in a plurality of rows and columns;a plurality of scan lines, each coupled to a respective one of said rows of said pixel circuits;a plurality of data lines, each coupled to a respective one of said columns of said pixel circuits;a scan driver operable to activate said scan lines in sequence to drive said rows of said pixel circuits; anda data driver coupled to said columns of said pixel circuits via said data lines;wherein said scan lines include a first set of scan lines and a second set of scan lines alternately disposed with said first set of scan lines;wherein, for each of said first and second sets of said scan lines, adjacent ones of said scan lines have different circuit properties;wherein said scan driver activates each of said scan lines for a respective activation time period according to the circuit property thereof.2. The display device as claimed in claim 1 , wherein claim 1 , for each of said first and second sets of said scan lines claim 1 ,one of said scan lines has an electrical resistance greater than that of another one of said scan lines adjacent thereto,the activation time period of said one of said scan lines is shorter than that of said another one of said scan lines adjacent thereto by a resistance compensation ...

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Номер записи: 45
03-10-2013 дата публикации

DISPLAY APPARATUS

Номер: US20130257842A1
Автор: IGAWA Masami
Принадлежит: Samsung Display Co., Ltd.

A display apparatus includes a display panel including pixels, a gate driver to sequentially apply a gate signal to gate lines in response to a gate control signal, a first source driver to apply a first data voltage to data lines in response to a data control signal, and a second source driver disposed at an opposite side of the display panel from the first source driver with respect to the display panel. The second source driver is configured to apply a second data voltage to the data lines at every time period, at which the gate signal is applied to the gate lines, in response to the clock signal. The pixels display a gray scale in response to the first and second data voltages, and a time period of a rising edge of the clock signal is the same as a time period of a rising edge of the gate signal. In addition, the high level period of the clock signal is shorter than the high level period of the gate signal. 1. A display apparatus comprising:a display panel comprising a plurality of gate lines, a plurality of data lines, and a plurality of pixels connected to the gate lines and the data lines;a timing controller to generate a gate control signal, a data control signal, and a clock signal;a gate driver to sequentially apply a gate signal to the gate lines in response to the gate control signal;a first source driver to apply a first data voltage to the data lines in response to the data control signal; anda second source driver disposed at an opposite side of the display panel from the first source driver with respect to the display panel, the second source driver being configured to apply a second data voltage to the data lines at every time period, at which the gate signal is applied to the gate lines, in response to the clock signal, wherein the pixels display a gray scale in response to the first data voltage and the second data voltage, a time period of a rising edge of the clock signal is the same as a time period of a rising edge of the gate signal, and the ...

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Номер записи: 46
03-10-2013 дата публикации

DISPLAY APPARATUS AND METHOD OF CONTROLLING THE SAME

Номер: US20130257920A1
Автор: YAMADA Motokazu
Принадлежит: NICHIA CORPORATION

A display apparatus includes a first light source, a second light source, a third light source, a first color filter, a second color filter, a third color filter, and an opto-functional device. The first light source and the second light source are allowed to emit light in a first emission time period to form a first display pattern. The third light source is allowed to emit light and the opto-functional device controls the third color filter to transmit light in a second emission time period to form a second display pattern. The first emission time period and the second emission time period are alternately repeated to combine the first display pattern and the second display pattern to obtain an intended display pattern when the display apparatus displays the intended display pattern. 1. A display apparatus comprising:a first light source to emit light having a first spectrum having a first peak wavelength;a second light source to emit light having a second spectrum having a second peak wavelength longer than the first peak wavelength;a third light source to emit light having a third spectrum having a third peak wavelength between the first peak wavelength and the second peak wavelength;a first color filter to transmit light having a wavelength corresponding to the first spectrum;a second color filter to transmit light having a wavelength corresponding to the second spectrum;a third color filter to transmit light having a wavelength corresponding to the third spectrum; andan opto-functional device configured to control transmissive and intransmissive states of each of the first color filter, the second color filter, and the third color filter at each sub-pixel, the first light source and the second light source being allowed to emit light in a first emission time period to form a first display pattern, the third light source being allowed to emit light and the opto-functional device controlling the third color filter to transmit light in a second emission time ...

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Номер записи: 47
10-10-2013 дата публикации

VIDEO PLAYBACK SYSTEM AND RELATED COMPUTER PROGRAM PRODUCT FOR JOINTLY DISPLAYING VIDEO WITH MULTIPLE SCREENS

Номер: US20130265487A1
Автор: MA Chen, WEI Shih-Chun, Yu Siu-Leong
Принадлежит: Realtek Semiconductor Corp.

A video playback system for jointly displaying video with multiple screens, includes multiple portable communication devices each comprises at least one screen; a location detection circuit for dynamically detecting respective portable communication device's spatial location and orientation; and a multi-screen display controlling server for dynamically generate multiple partitioned videos respectively corresponding to multiple non-overlap image areas of a target video according to detection results of the location detection circuit. The multi-screen display controlling server respectively transmits the multiple partitioned videos to the multiple portable communication devices. The multi-screen display controlling server controls the multiple portable communication devices to respectively display the multiple partitioned videos on the multiple screens to jointly display at least a portion of a visible area of the target video. 1. A video playback system for jointly displaying video with multiple screens , comprising:multiple portable communication devices each comprising at least one of the multiple screens, wherein the multiple portable communication devices comprise a first portable communication device having a first screen, and the first screen is one of the multiple screens;a location detection circuit, configured to dynamically detect a spatial location and an orientation for each of the multiple portable communication devices; anda multi-screen display controlling server, configured to operably establish a device group relationship among the multiple portable communication devices, to dynamically generate multiple partitioned videos respectively corresponding to multiple non-overlap image areas of a target video according to detection results of the location detection circuit, and to respectively transmit the multiple partitioned videos to the multiple portable communication devices;wherein a relative position among the multiple image areas matches with a ...

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Номер записи: 48
10-10-2013 дата публикации

MULTI-SCREEN VIDEO PLAYBACK SYSTEM AND RELATED COMPUTER PROGRAM PRODUCT

Номер: US20130265488A1
Автор: MA Chen, WEI Shih-Chun, Yu Siu-Leong
Принадлежит: Realtek Semiconductor Corp.

A multi-screen video playback system includes: a video playback device having a main display to playback a target video; a portable communication device having a screen; and a multi-screen display controlling server configured to operably establish a device group relationship between the video playback device and the portable communication device, to transmit the target video to the video playback device via a network, and to transmit an auxiliary video to the portable communication device via the network. The multi-screen display controlling server receives a notice information generated by the video playback device while the video playback device playbacks the target video, and instructs the portable communication device to begin displaying the auxiliary video on the screen according to the notice information. 1. A multi-screen video playback system , comprising:a video playback device, comprising a main display configured to operably display a target video;a portable communication device, comprising a screen; anda multi-screen display controlling server, configured to operably establish a device group relationship between the video playback device and the portable communication device, to operably transmit the target video to the video playback device via a network, and to operably transmit an auxiliary video to the portable communication device via a network;wherein the multi-screen display controlling server receives a notice information generated by the video playback device while the video playback device playbacks the target video, and instructs the portable communication device to begin displaying the auxiliary video on the screen according to the notice information.2. The multi-screen video playback system of claim 1 , wherein the video playback device generates the notice information when a predetermined scene of the target video displayed on the main display appears claim 1 , and when the notice information is received by the multi-screen display ...

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Номер записи: 49
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: 50
24-10-2013 дата публикации

INFORMATION PROCESSING APPARATUS AND DISPLAY CONTROL METHOD

Номер: US20130278643A1
Автор: NAKAJIMA Tomohiro, OTSUKA Katsumi, Sawasaki Naoyuki, Takahashi Yoku
Принадлежит: FUJITSU LIMITED

An information processing apparatus is disclosed, including a detection part, a change part, and a determination part. The detection part detects a change of a first color temperature of an external environment. The change part changes a second color temperature of a display part at a predetermined speed to a targeted value corresponding to the first color temperature after the change in response to a detected change of the first color temperature. The determination part determines whether brightness of an image is changed, in response to a switch of the image on the display part. when it is determined that the brightness of the image on the display part is changed during the change of the second color temperature of the display part, the change part changes the second color temperature of the display part at a different speed from the predetermined speed. 1. An information processing apparatus comprising:a detection part configured to detect a change of a first color temperature of an external environment;a change part configured to change a second color temperature of a display part at a predetermined speed to a targeted value corresponding to the first color temperature after the change in response to a detected change of the first color temperature; anda determination part configured to determine whether brightness of an image is changed, in response to a switch of the image on the display part,wherein when it is determined that the brightness of the image on the display part is changed during the change of the second color temperature of the display part, the change part changes the second color temperature of the display part at a different speed from the predetermined speed.2. The information processing apparatus as claimed in claim 1 , wherein when it is determined that the image after the change is darker than the image before the change during the change of the second color temperature of the display part claim 1 , the change part changes the second color ...

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Номер записи: 51
07-11-2013 дата публикации

METHOD AND APPARATUS FOR EXTRACTING A DESIRED TELEVISION SIGNAL FROM A WIDEBAND IF INPUT USING RE-SAMPLING

Номер: US20130293781A1
Автор: Greggain Lance, Ouslis Chris, Selby Steve, Shyshkin Vyachelav, Silver Larry, Synnott Warren
Принадлежит: SPECTRA7 MICROSYSTEMS CORP.

Various embodiments are described herein for a universal television receiver that is capable of processing television channel signals, that are transmitted according to a variety of broadcast standards, to provide video and audio information for a desired television channel signal. The processing includes producing a coarse channel signal that includes a desired television channel signal and then applying resampling techniques to adjust a normalized bandwidth of the desired television channel signal to generally correspond to the normalized passband of a main filter that is used for each of the broadcast standards. 1. A television receiver for processing television signals to provide video and audio information for a desired television channel signal , the television signals being transmitted according to any one of a variety of television broadcast standards , wherein the television receiver comprises:an analog processing block for filtering and amplifying a multi-channel television signal to produce a coarse channel signal;an analog to digital converter (ADC) coupled to the analog processing block for digitizing the coarse channel signal to produce a digitized coarse channel signal; anda digital processing block coupled to the ADC for processing the digitized coarse channel signal to obtain the video and audio information for the desired television channel signal, wherein for analog and digital television broadcast standards, the processing comprises re-sampling a processed version of the digitized coarse channel signal at a first new sampling rate, with respect to a sampling rate employed by the ADC, to adjust a normalized bandwidth of the desired television channel signal to generally correspond to a normalized passband of a video filter;wherein for analog television broadcast standards the digital processing block is further configured to re-sample the processed version of the digitized coarse channel signal at a second new sampling rate to adjust a normalized ...

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Номер записи: 52
14-11-2013 дата публикации

Semiconductor Device and Driving Method Thereof, and Electronic Device

Номер: US20130300777A1
Автор: Kimura Hajime
Принадлежит:

A driving method of a semiconductor device for compensating variation in threshold voltage and mobility of a transistor is provided. A driving method of a semiconductor device including a transistor and a capacitor electrically connected to a gate of the transistor includes a first period where voltage corresponding to threshold voltage of the transistor is held in the capacitor, a second period where a total voltage of video signal voltage and threshold voltage is held in the capacitor holding the threshold voltage, and a third period where charge held in the capacitor in accordance with the total voltage of the video signal voltage and the threshold voltage in the second period is discharged through the transistor. 1. (canceled)2. A semiconductor device comprising: a light-emitting element;', 'a transistor;', 'a first capacitor; and', 'a second capacitor,, 'a pixel comprisingwherein one of a source and a drain of the transistor is electrically connected to a first electrode of the light-emitting element,wherein the other of the source and the drain of the transistor is electrically connected to a first wiring,wherein a first terminal of the first capacitor is electrically connected to a gate of the transistor,wherein a first terminal of the second capacitor is electrically connected to the one of the source and the drain of the transistor, andwherein the transistor comprises a source region and a drain region in a semiconductor substrate.3. The semiconductor device according to claim 2 , wherein a second terminal of the second capacitor is electrically connected to a second wiring.4. The semiconductor device according to claim 2 , further comprising a first switch claim 2 ,wherein a first terminal of the first switch is electrically connected to the gate of the transistor.5. The semiconductor device according to claim 2 , further comprising circuits configured to input an image signal to the pixel so that variation in mobility of a transistor of each pixel is ...

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Номер записи: 53
14-11-2013 дата публикации

Method and Apparatus to Guarantee Minimum Contrast for Machine Vision System

Номер: US20130300835A1
Автор: Drinkard John, Kinoshita Koichi, Tani Yoshiharu, Tyagi Ambrish
Принадлежит:

In one aspect, this disclosure presents a method and apparatus for verifying that minimum object contrast requirements are met within a region representing a volume to be monitored by a machine vision system. In complementary fashion, the disclosure also presents a methodology for constraining the positions of the lighting sources to be used for illuminating the monitored volume at a minimum height above the floor, and for the use of a key light that provides asymmetrical lighting within the monitored volume relative to the camera(s) used for imaging the monitored volume. Correspondingly, the disclosure also presents a method and apparatus for monitoring for proper operation of the key light and responding to improper operation. The minimum contrast verification and key light monitoring operations can be implemented using standalone apparatuses, or can be incorporated into the machine vision system. 1. A method of verifying minimum object contrast within a field of view as seen by one or more imaging sensors of a machine vision system , said method comprising:processing image data as acquired by the one or more imaging sensors while a test object was at a minimum-contrast position within the field of view, said image data being intensity image data or 3D range data;calculating, based on said processing, a contrast value for the test object; anddetermining whether the contrast value meets a minimum contrast requirement, as represented by a predefined threshold.3. The method of claim 1 , wherein claim 1 , in the case that 3D range data is used claim 1 , the contrast value for the test object is determined based on at least one of: the presence or absence of 3D range data corresponding to the test object at the minimum contrast position claim 1 , the density and/or a statistical property of the 3D range data at pixel positions corresponding to the surface extents of the test object.4. An apparatus configured to verify minimum object contrast within a field of view as ...

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Номер записи: 54
21-11-2013 дата публикации

DISPLAY DEVICE

Номер: US20130307758A1
Автор: CHOI SEON YOUNG, KANG Jangmi, KIM Ilgon, KIM Kyung-Hoon
Принадлежит: Samsung Display Co., Ltd.

A display device includes a plurality of gate lines extending in a first direction, a plurality of data lines extending in a second direction, a plurality of sub-gate lines corresponding to the plurality of gate lines and extending in a first direction to be adjacent to a corresponding gate line of the plurality of gate lines, a gate driver configured to drive the plurality of gate lines, a data driver configured to drive the plurality of data lines, and a plurality of pixels arranged in a display area, where an end of each of the plurality of gate lines extends in the first direction from the gate driver is electrically connected to a center portion of a corresponding sub-gate line in the first direction. 1. A display device comprising:a plurality of gate lines extending substantially in a first direction;a plurality of data lines extending substantially in a second direction;a plurality of sub-gate lines corresponding to the plurality of gate lines and extending in the first direction, wherein each of the plurality of sub-gate lines is disposed adjacent to a corresponding gate line of the plurality of gate lines;a gate driver configured to drive the plurality of gate lines;a data driver configured to drive the plurality of data lines; anda plurality of pixels arranged in a display area,wherein an end of each of the plurality of gate lines, which extends from the gate driver in the first direction, is electrically connected to a center portion of a corresponding sub-gate line in the first direction.2. The display device of claim 1 , wherein the plurality of gate lines is in a one-to-one correspondence with the plurality of sub-gate lines.3. The display device of claim 2 , wherein the gate driver comprises:a first gate driver disposed in a first side of the display area, wherein the first gate driver drives a first group of the plurality of gate lines; anda second gate driver disposed in a second side of the display area, which is opposite to the first side of the ...

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Номер записи: 55
21-11-2013 дата публикации

SOURCE DRIVER AND A METHOD OF OPERATING THE SAME

Номер: US20130307838A1
Автор: KIM Seung-hyun, Lee Jae-Youn, Lim Sang-hoon
Принадлежит: SAMSUNG ELECTRONICS CO., LTD.

A source driver including a first source driving unit including a first source amplifier controlling a first slew rate in response to a first bias control signal and generating a first driving voltage of first display data; a second source driving unit including a second source amplifier controlling a second slew rate in response to a second bias control signal and generating a second driving voltage of second display data; and a bias control signal generating unit sequentially generating the first and second bias control signals, and applying the first and second bias control signals respectively to the first and second source driving units, wherein the first bias control signal is based on a difference between the first display data sequentially applied to the first source amplifier and the second bias control signal is based on a difference between the second display data applied to the second source amplifier. 1. A source driver for a display device , the source driver comprising:a first source driving unit comprising a first source amplifier that controls a first slew rate in response to a first bias control signal and generates a first source driving voltage corresponding to first display data;a second source driving unit comprising a second source amplifier that controls a second slew rate in response to a second bias control signal and generates a second source driving voltage corresponding to second display data; anda bias control signal generating unit that sequentially generates the first and second bias control signals, and applies the first and second bias control signals respectively to the first and second source driving units,wherein the first bias control signal is based on a difference between the first display data sequentially applied to the first source amplifier and the second bias control signal is based on a difference between the second display data applied to the second source amplifier.2. The source driver of claim 1 , wherein the first ...

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Номер записи: 56
21-11-2013 дата публикации

DISPLAY DEVICE

Номер: US20130307841A1
Автор: Kuwabara Nobuhiro
Принадлежит: SHARP KABUSHIKI KAISHA

The present invention provides a display device in which a lateral crosstalk is suppressed with a simple configuration. A display panel includes a change-over switch, an input-end-side TFT, and an output-end-side TFT which are provided in correspondence with an auxiliary capacitance line CSL, and a data signal line drive circuit includes an operational amplifier. The operational amplifier receives a fluctuation auxiliary capacitance signal which is output from an output end of an auxiliary capacitance line via the output-end-side TFT, receives a reference auxiliary capacitance signal to be applied to the auxiliary capacitance line from an auxiliary capacitance line drive circuit via the input-end-side TFT and the change-over switch, generates an output signal to be output to make the voltage of the fluctuation auxiliary capacitance signal equal to the voltage of the reference auxiliary capacitance signal, and applies again the output signal to the auxiliary capacitance line. 1. A display device comprising:a plurality of data signal lines to which a plurality of data signals representing an image to be displayed are applied, respectively;scanning signal lines crossing the plurality of data signal lines and selectively driven by applying a plurality of scanning signals, respectively;a plurality of pixel circuits disposed in a matrix in correspondence with respective intersections of the plurality of data signal lines and the plurality of scanning signal lines;a plurality of auxiliary capacitance lines disposed along the plurality of scanning signal lines, respectively;an auxiliary capacitance line drive circuit for applying a plurality of auxiliary capacitance signals to the plurality of auxiliary capacitance lines, respectively;a differential amplifier including a first input terminal, a second input terminal, and an output terminal; anda plurality of change-over switches provided in correspondence with the plurality of auxiliary capacitance lines, respectively, ...

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Номер записи: 57
05-12-2013 дата публикации

CHARGE PUMP FOR PRODUCING DISPLAY DRIVER OUTPUT

Номер: US20130321370A1
Автор: Farenc Didier H., Vukovic-Radic Nada
Принадлежит: QUALCOMM MEMS Technologies, Inc.

This disclosure provides systems, methods and apparatus for driving a display array with a waveform having a plurality of voltage levels, wherein a first subset of the plurality of voltages is different from a second subset of the plurality of voltages by a defined amount. In one aspect, a display driver circuit comprises a power supply configured to generate the first subset of said plurality of voltages, and a charge pump having the first subset of the plurality of voltages as inputs and the second subset of the plurality of voltages as outputs. The charge pump may not include a switch between each output voltage and a corresponding capacitor. 1. A display driver circuit configured to drive a display array with a waveform having a plurality of voltages , wherein a first subset of the plurality of voltages is different from a second subset of the plurality of voltages by a defined amount , the display driver circuit comprising:power supply circuitry configured to generate the first subset of the plurality of voltages; anda charge pump having the first subset of the plurality of voltages as inputs and the second subset of the plurality of voltages as outputs and including a separate boost capacitor for each of the second subset of the plurality of voltages;wherein each of the second subset of the plurality of voltages is directly connected to its corresponding boost capacitor.2. The display driver circuit of claim 1 , wherein each of the second subset of the plurality of voltages has a positive or negative magnitude of at least 20 volts.3. The display driver circuit of claim 1 , wherein the display array comprises a plurality of common lines and a plurality of segment lines.4. The display driver circuit of claim 3 , wherein each of the plurality of common lines includes display elements of only a single color claim 3 , wherein the plurality of output voltages includes a different output voltage for different color display elements and for different polarities claim ...

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Номер записи: 58
05-12-2013 дата публикации

Method of driving display device, program, and display device

Номер: US20130321384A1
Автор: Fumikazu Shimoshikiryoh, Masae Kitayama, Toshikazu Tsuchiya
Принадлежит: Sharp Corp

A display device includes first and second display pixels connected to a first source line, third and fourth display pixels connected to the second source line. The device further includes a receiver receiving display voltage for each display pixel, a calculator calculating first difference voltage between the display voltages of the first and second display pixels, and calculating a second difference voltage between the display voltages of the third and fourth display pixels. A parasitic capacitance is generated between the first display pixel and each source line and between the third display pixel and each source line. The display device further includes a generator correcting the first display voltage based on the first and second difference voltages and generating first write voltage for the first display pixel, and correcting the third display voltage based on the second difference voltage and generating third write voltage for the third display pixel.

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Номер записи: 59
05-12-2013 дата публикации

DISPLAY DEVICE, IMAGING DEVICE AND GRAY LEVEL VOLTAGE GENERATION CIRCUIT

Номер: US20130321489A1
Автор: Kishikawa Teisuke
Принадлежит: SONY CORPORATION

Disclosed herein is a display device capable of displaying an image with two or more gray levels. The display device includes: a voltage division circuit adapted to generate a plurality of voltages using a resistance division circuit; a gamma correction section adapted to gamma-correct the image using the voltages generated at division points of the resistance division circuit; an amplification circuit adapted to amplify a given voltage and supply the amplified voltage to at least one of the division points of the resistance division circuit; and an adjustment section adapted to adjust an amplification factor of the amplification circuit. 1. A display device capable of displaying an image with two or more gray levels , the display device comprising:a voltage division circuit adapted to generate a plurality of voltages using a resistance division circuit;a gamma correction section adapted to gamma-correct the image using the voltages generated at division points of the resistance division circuit;an amplification circuit adapted to amplify a given voltage and supply the amplified voltage to at least one of the division points of the resistance division circuit; andan adjustment section adapted to adjust an amplification factor of the amplification circuit.2. The display device of comprising:two or more amplification circuits, whereinthe resistance division circuit includes at least three resistors connected in series, andthe two or more amplification circuits supply a voltage obtained by amplifying the given voltage to different division points of the resistance division circuit.3. The display device of claim 1 , whereinthe amplification circuit produces a low impedance output.4. The display device of claim 1 , whereinthe amplification circuit has an operational amplifier adapted to amplify the given voltage and output the amplified voltage, and an output terminal of the operational amplifier is connected to one of the division points of the resistance division ...

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Номер записи: 60
12-12-2013 дата публикации

Combined Emissive and Reflective Dual Modulation Display System

Номер: US20130328948A1
Автор: Daly Scott, Kunkel Timo
Принадлежит:

Pixels of a display system may comprise light emitting elements whose light output levels are set based on image data as well as background areas whose light reflectance levels are set based on the same image data. These light output levels and/or light reflectance levels may also be adjusted based on an ambient light level. The background areas may comprise light reflective elements which may be controlled individually or as a whole. The light output levels of the light emitting elements and the light reflectance levels of the light reflective elements are configured to generate collectively a pixel value for the pixel dependent on the image data. One or more modulation algorithms may be used to control the energy consumption, dynamic range, color gamut, point-spread function, etc., of the pixels in the display system. 1. A method comprising:receiving image data comprising one or more images;determining, based on the image data, light output levels of one or more light emitting elements in a pixel of a display panel; anddetermining, based on the image data, light reflectance levels of one or more light reflective elements in the pixel of the display panel, the light output levels of the light emitting elements and the light reflectance levels of the light reflective elements being configured to generate collectively a pixel value for the pixel.2. The method of claim 1 , wherein the one or more light emitting elements in the pixel comprises at least one of: light-emitting diodes (LEDs) claim 1 , cold cathode fluorescent lights (CCFLs) claim 1 , quantum-dot based light sources claim 1 , organic light-emitting diodes (OLEDs) claim 1 , fluorescent or phosphorescent light sources claim 1 , incandescent light sources claim 1 , gas discharge lights claim 1 , or chemi- or bioluminescent lights.3. The method of claim 1 , wherein the one or more light reflective elements in the pixel comprises at least one based on: quantum dots claim 1 , photochromic materials claim 1 , e- ...

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Номер записи: 61
19-12-2013 дата публикации

GATE DRIVE CIRCUIT AND DISPLAY DEVICE HAVING THE GATE DRIVE CIRCUIT

Номер: US20130335392A1
Автор: Chang Jong-Woong, CHO Duc-Han, HEO Yun, HYUN You-Mee, Kim Kang-Nam, Lee Jae-Hoon
Принадлежит: Samsung Display Co., Ltd.

A gate drive circuit in which multiple stages are connected together one after each other. An n-th stage includes a pull-up part, a carry part, a pull-down part, a switching part, a first maintaining part and a second maintaining part. The pull-up part outputs a high voltage of a first clock signal. The carry part outputs a high voltage of the first clock signal. The pull-down part pulls-down the n-th gate signal into a first low voltage. The switching part outputs a first signal synchronized with the first clock signal during an interval other than a high voltage output interval of the n-th carry signal. The first maintaining part maintains the n-th gate signal at the first low voltage in response to the first signal. The second maintaining part maintains the n-th gate signal at the first low voltage in response to a second signal. 1. A gate drive circuit in which multiple stages are connected together one after each other , the stages configured to output a plurality of gate signals , an n-th stage , ‘n’ being a natural number , comprising:a pull-up part configured to output a high voltage of a first clock signal applied through a first clock terminal as a high voltage of an n-th gate signal;a carry part configured to output a high voltage of the first clock signal as a high voltage of an n-th carry signal;a pull-down part configured to pull-down the n-th gate signal into a first low voltage in response to a high voltage of a carry signal of an (n+1)-th stage;a switching part configured to output a first signal synchronized with the first clock signal during an interval other than a high voltage output interval of the n-th carry signal;a first maintaining part configured to maintain the n-th gate signal into the first low voltage in response to the first signal; anda second maintaining part configured to maintain the n-th gate signal into the first low voltage in response to a second signal having a phase different from that of the first signal.2. The gate drive ...

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Номер записи: 62
19-12-2013 дата публикации

ELECTRONIC DEVICE AND RECEIVING SYSTEM

Номер: US20130335398A1
Автор: Iwata Takahiro
Принадлежит: FUNAI ELECTRIC CO., LTD.

An electronic device includes a device main unit and a control unit that controls visual demonstration of a display on a displaying portion so as to visually display, upon receiving from a user an operation pertaining to an energy conservation setup of the device main unit, a state in which the energy conservation setup of the device main unit has been implemented. 1. An electronic device comprising:a device main unit; anda control unit that controls visual demonstration of a display on a displaying portion so as to visually display, upon receiving from a user an operation pertaining to an energy conservation setup of the device main unit, a state in which the energy conservation setup of the device main unit has been implemented.2. The electronic device as set forth in claim 1 , whereinthe control unit is configured to query the user on whether to implement the energy conservation setup after the state of the energy conservation setup has been displayed on the displaying portion through the demonstration.3. The electronic device as set forth in claim 1 , whereinthe energy conservation setup includes energy conservation settings for a plurality of items; andthe control unit is configured to control the visual demonstration, of the state in which the energy conservation setting has been implemented for each individual item of the plurality of items.4. The electronic device as set forth in claim 3 , whereinthe displaying portion includes an external displaying portion connected to the device main unit or a displaying portion provided in the device main unit;an energy setup menu screen that includes the plurality of items as a group is displayed on the displaying portion; andthe control unit is configured to control the displaying portion to display, through a demonstration, the state in which an energy conservation setting of an item selected from the plurality of items displayed in the energy conservation setup menu screen has been implemented.5. The electronic ...

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Номер записи: 63
26-12-2013 дата публикации

CIRCUITS FOR CONTROLLING DISPLAY APPARATUS

Номер: US20130342522A1
Автор: Barton Roger W., Hagood Nesbitt W., Lewis Stephen R., McAllister Abraham
Принадлежит: Pixtronix, Inc.

The invention relates to methods and apparatus for forming images on a display utilizing a control matrix to control the movement of MEMs-based light modulators. 146-. (canceled)47. A display apparatus comprising:a substrate;an array of pixels formed on the substrate including, for each pixel, a light modulator including a first movable electrostatic actuator; anda voltage regulator that limits variation in a voltage across the first movable electrostatic actuator, wherein the variation in the voltage is caused by a movement of at least a portion of the first movable electrostatic actuator.48. The display apparatus of claim 47 , wherein the voltage regulator includes a display driver including a DC voltage source.49. The display apparatus of claim 47 , wherein the light modulators are controlled by active circuitry.50. The display apparatus of claim 49 , wherein the active circuitry includes at least one TFT.51. The display of claim 50 , wherein the active circuitry includes claim 50 , for each pixel claim 50 , a write-enabling interconnect for enabling the pixel to respond to a data voltage and a data voltage interconnect for applying the data voltage to a data switch claim 50 , thereby controlling the state of the light modulator of the pixel.52. The display apparatus of claim 51 , comprising for a pixel claim 51 , an actuation voltage interconnect claim 51 , distinct from the data voltage interconnect claim 51 , for connecting the first movable electrostatic actuator to the display driver.53. The display apparatus of claim 52 , comprising claim 52 , for a pixel claim 52 , a switch claim 52 , other than the data switch claim 52 , for controlling the application of the voltage output by the display driver to the first movable electrostatic actuator.54. The display apparatus of claim 47 , wherein each pixel includes a voltage regulator.55. The display apparatus of claim 54 , wherein the voltage regulator includes a capacitor in electrical communication with the ...

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Номер записи: 64
02-01-2014 дата публикации

System and method for managing digital/analog convertor of a video card

Номер: US20140002671A1
Автор: Chih-Huang WU
Принадлежит: Hon Hai Precision Industry Co Ltd

In a method of processing an abnormal digital/analog convertor (DAC) of a video card, the video card comprising a first DAC and a second DAC, the video card connecting to an output interface. The method controls the video card to use the first DAC for converting data to the output interface through a first switch and at least one second switches in the video card. The method further detects whether the first DAC works normally. When the first DAC is determined to work abnormally, the method switches the first DAC to the second DAC for converting the data to the output interface through the first switch and the at least one second switches.

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Номер записи: 65
09-01-2014 дата публикации

Flat Panel Display with Multi-Drop Interface

Номер: US20140009450A1
Автор: Fang Po-Hsiang, Lee Hsin-Hung, Lin Li-Tang, Su Chia-Wei, Tseng Po-Yu, Yang Shun-Hsun
Принадлежит:

A flat panel display with multi-drop interfaces is disclosed. The flat panel display with multi-drop interfaces includes a plurality of driver chips having a plurality of respective hardware setting values via a hardware setting, and a timing controller for transmitting at least one signal to the plurality of driver chips via at least one multi-drop interface, wherein the timing controller and a specific driver chip among the plurality of driver chips negotiate with each other according to a corresponding specific respective hardware setting value among the plurality of respective hardware setting values. 1. A flat panel display with multi-drop interfaces , comprising:a plurality of driver chips, having a plurality of respective hardware setting values via a hardware setting; anda timing controller, for transmitting at least one signal to the plurality of driver chips via at least one multi-drop interface;wherein the timing controller and a specific driver chip among the plurality of driver chips negotiate with each other according to a corresponding specific respective hardware setting value among the plurality of respective hardware setting values.2. The flat panel display with multi-drop interfaces of claim 1 , wherein the timing controller adds the specific respective hardware setting value in the at least one signal claim 1 , to indicate the at least one signal is provided for the specific driver chip.3. The flat panel display with multi-drop interfaces of claim 1 , wherein the specific driver chip replies a receiving status of receiving the at least one signal and the specific respective hardware setting value to the timing controller claim 1 , and the timing controller adjusts the at least one signal accordingly.4. The flat panel display with multi-drop interfaces of claim 3 , wherein when the receiving status indicates the at least one signal is too weak to be received accurately claim 3 , the timing controller strengthens the at least one signal according ...

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Номер записи: 66
16-01-2014 дата публикации

DISPLAY DRIVING CIRCUIT AND ELECTRONIC DEVICE COMPRISING THE SAME

Номер: US20140015823A1
Автор: Lee Ji Haeng, Suh Dongwook, WOO SOOYOUNG
Принадлежит:

A display driver integrated circuit includes a regulator configured to convert an externally supplied driving voltage to a working voltage corresponding to one of a plurality of power domains of the display driver integrated circuit, a graphic data processing unit configured to process image data input to the graphic data processing unit, and output the image data to a display panel, a control switch configured to control a supply of the working voltage to the graphic data processing unit, and a core logic unit configured to receive the working voltage from the regulator and control the control switch in response to a mode of operation of the display driver integrated circuit. 1. A display driver integrated circuit , comprising:a regulator configured to convert an externally supplied driving voltage to a working voltage corresponding to one of a plurality of power domains of the display driver integrated circuit;a graphic data processing unit configured to process image data input to the graphic data processing unit, and output the image data to a display panel;a first control switch configured to control a supply of the working voltage to the graphic data processing unit; anda core logic unit configured to receive the working voltage from the regulator and control the first control switch in response to a mode of operation of the display driver integrated circuit.2. The display driver integrated circuit of claim 1 , wherein the first control switch is closed and the working voltage is supplied to the graphic data processing unit while the mode of operation is a display mode.3. The display driver integrated circuit of claim 1 , wherein the first control switch is opened and the working voltage is not supplied to the graphic data processing unit while the mode of operation is a standby mode.4. The display driver integrated circuit of claim 1 , wherein the graphic data processing unit comprises:a shift register configured to sequentially shift and store the image data ...

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Номер записи: 67
23-01-2014 дата публикации

GATE DRIVER AND DISPLAY DEVICE INCLUDING THE SAME

Номер: US20140022228A1
Автор: Bae Min-Seok, Kim Chul Min
Принадлежит: Samsung Display Co., Ltd.

A gate driver is provided. The gate driver includes a plurality of cascade-connected stages. The k-th stage of the stages includes a switching unit for connecting a first node to a second node, a driving unit for generating an output signal in accordance with a voltage of the first node, and an input unit for inputting an output signal of a (k−1)-th stage of the stages and an output signal of a (k+1)-th stage of the stages to the second node. 1. A gate driver comprising a plurality of cascade-connected stages , a k-th stage of the stages comprising:a switching unit for connecting a first node to a second node;a driving unit for generating an output signal in accordance with a voltage of the first node; andan input unit for inputting an output signal of a (k−1)-th stage of the stages and an output signal of a (k+1)-th stage of the stages to the second node.2. The gate driver of claim 1 , whereinthe k-th stage further comprises an output terminal for outputting the output signal,the driving unit comprises a boosting capacitor between the output terminal and the first node, andthe boosting capacitor is configured to boost a voltage of the first node by a voltage of the output terminal when the first node is in a high impedance state.3. The gate driver of claim 1 , wherein the k-th stage further comprises a leakage current interception unit for intercepting leakage current from the first node to the second node by maintaining high impedance between the second node and the first node when the first node is in a high impedance state.4. The gate driver of claim 1 , wherein the input unit comprises:a first diode-connected transistor for inputting the output signal of the (k−1)-th stage to the second node; anda second diode-connected transistor for inputting the output signal of the (k+1)-th stage to the second node.5. The gate driver of claim 1 , wherein the input unit is configured to input the output signal to the second node.6. The gate driver of claim 5 , wherein the ...

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Номер записи: 68
23-01-2014 дата публикации

METHOD AND DEVICE FOR OBTAINING SCREENSHOTS FROM MOBILE TERMINALS

Номер: US20140022269A1
Автор: ZHENG Xiao Sheng
Принадлежит: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED

A method of obtaining a screenshot from a mobile terminal comprises: obtaining a command to obtain the screenshot; copying content from a graphics card's cache to generate a graphics card cache file; reading pixel data in the graphics card cache file to generate a bitmap. The screenshot obtaining method is not restricted or limited by the version of the operating system. In addition, the present disclosure provides a screenshot obtaining device. 1. A method of obtaining a screenshot from a mobile terminal , comprising:obtaining a command to obtain the screenshot,copying content from a graphics card's cache to generate a graphics card cache file, andreading pixel data in the graphics card cache file to generate a bitmap.2. The method of claim 1 , wherein obtaining a command to obtain the screenshot comprises at least one step selected from the group consisting of: activating a physical button claim 1 , activating a virtual button claim 1 , and shaking the mobile terminal.3. The method of claim 1 , wherein copying content from a graphics card's cache comprises:obtaining a root authorization of the mobile terminal, andcopying content from the graphics card's cache to a corresponding path in a memory card of the mobile terminal.4. The method of claim 3 , wherein obtaining a root authorization of the mobile terminal comprises:showing an authorization confirmation interface, andobtaining an operation confirmation command through the authorization confirmation interface.5. The method of claim 1 , wherein reading pixel data in the graphics card cache file comprises:reading the graphics card cache file, andsaving the pixel data in the graphics card cache file to a bitmap file.6. The method of claim 1 , comprising:obtaining an image format, andprocessing the bitmap in accordance with the obtained image format to obtain a processed image.7. The method of claim 6 , comprising:saving the processed image, andinvoking an image display control to display the processed image.8. The ...

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Номер записи: 69
23-01-2014 дата публикации

CONTROL METHODS AND ELECTRONIC DEVICES

Номер: US20140022278A1
Автор: GUO CHENG
Принадлежит:

The present disclosure discloses a control method and an electronic device. The method is applied in an electronic device including a display screen. The display screen has a first display effect and a second display effect different from the first display effect. The method includes: detecting whether there is a first trigger signal when the display screen is providing the first display effect; and controlling the display screen to provide the second display effect upon detecting the first trigger signal. The second display effect includes at least a first display sub-effect that presents on the display screen a virtual image symmetrical to an object in front of the display screen. According to the embodiments of the present disclosure, a display screen of an electronic device has a first display effect and a second display effect and can be switched from the first display effect to the second display effect in response to a trigger signal. When the display screen is providing the second display effect, it can be used as a mirror. 1. A control method applied in an electronic device comprising a display screen , the display screen having a first display effect and a second display effect different from the first display effect , the method comprising:detecting whether there is a first trigger signal when the display screen is providing the first display effect; andcontrolling the display screen to provide the second display effect upon detecting the first trigger signal,wherein the second display effect comprises at least a first display sub-effect that presents on the display screen a virtual image symmetrical to an object in front of the display screen.2. The method of claim 1 , wherein the second display effect further comprises a second display sub-effect that is identical to the first display effect claim 1 , andthe first display sub-effect corresponds to a first display area on the display screen and the second display sub-effect corresponds to a second ...

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Номер записи: 70
30-01-2014 дата публикации

DISPLAY APPARATUS

Номер: US20140028639A1
Автор: Kim BumJin, KIM Jeong-Young, NAM Young-Joo, Shim Hyungbo
Принадлежит: Samsung Display Co., Ltd.

A display apparatus includes a plurality pixels each of which is connected to a corresponding gate line of a plurality of gate lines and a corresponding data line of a plurality of data lines, the plurality of gate lines crossing the plurality of gate lines. The display apparatus also includes a control signal generator configured to generate a plurality of control signals in response to a data enable signal, a gate driver configured to drive the gate lines in response to at least one control signal among the plurality of control signals, a data driver configured to drive the plurality of data lines, and a timing controller configured to: control the data driver in response to at least one received image signal and at least one received image control signal, and apply the data enable signal to the control signal generator. 1. A display apparatus comprising:a plurality of gate lines;a plurality of data lines that cross the plurality of gate lines;a plurality of pixels each of which is connected to a corresponding gate line of the plurality of gate lines and a corresponding data line of the plurality of data lines;a control signal generator configured to generate a plurality of control signals in response to a data enable signal;a gate driver configured to drive the plurality of gate lines in response to at least one control signal among the plurality of control signals;a data driver configured to drive the plurality of data lines; and 'control the data driver in response to at least one received image signal and at least one received image control signal, and', 'a timing controller configured toapply the data enable signal to the control signal generator.2. The display apparatus of claim 1 , wherein the control signals comprise a vertical synchronization start signal claim 1 , a first gate clock signal claim 1 , and a second gate clock signal.3. The display apparatus of claim 2 , wherein the control signal generator comprises:a memory configured to store time ...

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Номер записи: 71
30-01-2014 дата публикации

APPARATUS AND METHOD FOR COMPENSATING IMAGE OF DISPLAY DEVICE

Номер: US20140028859A1
Автор: Jun Byung-Geun, Kim In-Hwan, Kim Min-Cheol
Принадлежит: Samsung Display Co., Ltd.

An apparatus and method for compensating an image of a display device are disclosed. The image compensation apparatus of a display device comprises a scatterometer configured to analyze luminance of a display image according to a test initialization voltage and a test data voltage applied to a plurality of pixels and to measure a deviation of a threshold voltage of a driving transistor of the plurality of pixels; a voltage controller configured to divide the display panel into a predetermined area according to a deviation of a threshold voltage of the driving transistor and to calculate different initialization voltages that initialize driving of pixels included in the area on a predetermined area basis; and an initialization voltage supplier configured to apply a corresponding initialization voltage calculated in the voltage controller to the plurality of pixels included in the predetermined area. 1. An image compensation apparatus of a display device comprising a display panel that displays an image according to a data signal , the image compensation apparatus comprising:a scatterometer configured to analyze luminance of a display image according to a test initialization voltage and a test data voltage applied to a plurality of pixels included in the display panel and to measure a deviation of a threshold voltage of a driving transistor of the plurality of pixels;a voltage controller configured to divide the display panel into a predetermined area according to a deviation of a threshold voltage of the driving transistor and to calculate different initialization voltages that initialize driving of a plurality of pixels included in the area on a predetermined area basis; andan initialization voltage supplier configured to apply a corresponding initialization voltage calculated in the voltage controller to a plurality of pixels included in the predetermined area.2. The image compensation apparatus of claim 1 , further comprising a data store configured to store ...

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Номер записи: 72
30-01-2014 дата публикации

Network Displays and Method of Their Operation

Номер: US20140028907A1
Автор: DEWAELE Ronny, Nuyttens Geert
Принадлежит: Barco N.V.

A digital networked studio and the needed software services to allow the use of the system for monitoring the creation and distribution processes of real-time created content is described. 1. A display system for displaying streaming image data from a source of video signals on a plurality of display units linked by a network , comprising:a network processing block that uses a progression mechanism to separate a video signal containing a video frame into multiple streams, said multiple streams each including data that, when combined by a decoder, form an image having a resolution that depends on a number of streams that are being combined and that is less than full-resolution when the number of streams that are being combined is less that the number of streams into which the video frame is divided; anda plurality of display units linked by the network, each including at least one said decoder,wherein the networked display units are adapted to selectively subscribe to a number of streams less than said number of streams forming said full resolution image.2. A display system according to claim 1 , wherein the progression mechanism of the network processing block provides rough scaling of the image data to reduce bandwidth for streaming claim 1 , and final scaling to an exact image size is carried out locally by a display generator unit in each of the networked display units.3. A display system according to claim 1 , wherein each of the display generator units independently carries out final scaling by a configuration document stored in each respective networked display units.4. A display system according to claim 1 , further comprising a control unit for controlling distribution of the configuration document to the display generator units.5. A display system according to claim 1 , wherein a processing means of the display generator units comprises a gaming video processor for rendering the images to be displayed.6. A display system according to claim 1 , wherein a ...

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Номер записи: 73
06-02-2014 дата публикации

IMAGE DISPLAY APPARATUS

Номер: US20140035928A1
Автор: OHGAKE Mitsuru
Принадлежит:

An image display apparatus includes an image display device, a language recognition device, and a text information display device. The image display device displays an image on a display screen. The language recognition device recognizes, on the basis of an image signal of an input image displayed on the display screen, the language of a text portion included in the input image. The text information display device displays text information on the display screen using the language recognized by the language recognition device. 1. An image display apparatus comprising:an image display device configured to display an image on a display screen;a language recognition device configured to recognize, on the basis of an image signal of an input image displayed on the display screen, the language of a text portion included in the input image; anda text information display device configured to display text information on the display screen using the language recognized by the language recognition device.2. The image display apparatus according to claim 1 , wherein the language recognition device performs the language recognition based on the image signal unless the language of the text information displayed by the text information display device is already set.3. The image display apparatus according to claim 1 , further comprising:an operation device configured to receive an instruction,wherein, if the operation device receives an instruction to recognize the language, the language recognition device performs the language recognition based on the image signal.4. The image display apparatus according to claim 1 , wherein claim 1 , if there is no language recognized by the language recognition device claim 1 , the text information display device displays the text information using a preset predetermined language.5. The image display apparatus according to claim 2 , wherein claim 2 , if there is no language recognized by the language recognition device claim 2 , the text ...

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Номер записи: 74
06-02-2014 дата публикации

LIGHTING SYSTEM, LIGHTING METHOD, AND LIGHTING PROGRAM

Номер: US20140035964A1
Автор: KASUGA Hirofumi
Принадлежит: SEIKO EPSON CORPORATION

A lighting system includes a master set and a plurality of lighting devices controlled by the master set. At least one of the plurality of lighting devices is a bulb-type lighting device having a lighting function and an image displaying function and including a light source for lighting and a light source for image display provided in common or separately, an image forming unit configured to modulate light from the light source for image display on the basis of image information for image display and form image light, a lens configured to project the image light formed by the image forming unit on a projection surface, and a connecting unit electrically connectable to a lighting device fitting. 1. A lighting system comprising:a master set; anda plurality of lighting devices controlled by the master set, wherein a light source for lighting and a light source for image display provided in common or separately;', 'an image forming unit configured to modulate light from the light source for image display on the basis of image information for image display and form image light;', 'a lens configured to project the image light formed by the image forming unit on a projection surface; and', 'a connecting unit electrically connectable to a lighting device fitting., 'at least one of the plurality of lighting devices is a bulb-type lighting device having a lighting function and an image displaying function and including2. The lighting system according to claim 1 , wherein the master set includes:a scene-data storing unit configured to store, for each of a plurality of scenes, scene data that is data for defining a condition concerning lighting irradiation and a condition concerning image display in each of the plurality of lighting devices;a scene operation unit operated by a user to receive designation of any one scene among the plurality of scenes; anda control unit configured to control each of the plurality of lighting devices on the basis of the condition concerning the ...

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Номер записи: 75
20-02-2014 дата публикации

Organic Light Emitting Diode Display and Method of Driving the Same

Номер: US20140049531A1
Автор: Sang Hyeon Kwak
Принадлежит: LG Display Co Ltd

An OLED display device is provided. The OLED display device may include a first capacitor connected between a data line and a first node, a first transistor connected to the first node and a second node, an OLED connected between a low-level source voltage terminal and a third node, a second transistor connected to the second and third nodes, a driving transistor, and a second capacitor. The driving transistor may have a gate connected to the first node, a drain connected to the second node, and a source connected to a high-level source voltage terminal. One end of the second capacitor may receive a control signal, and the other end of the second capacitor may be connected to the first node.

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Номер записи: 76
27-02-2014 дата публикации

DIGITAL-TO-ANALOG CONVERTER, DISPLAY DRIVING CIRCUIT HAVING THE SAME, AND DISPLAY APPARATUS HAVING THE SAME

Номер: US20140055437A1
Автор: BAN Young-IL, Kim Kyungha, SON SUNKYU
Принадлежит: Samsung Display Co., Ltd.

A display apparatus includes pixels, gate lines and data lines, a gate driver driving the gate lines, a data driver which drives the data lines, and a timing controller which controls the gate and data drivers and provides digital image signals to the data driver. The data driver includes a digital-to-analog converter which receives first and second gamma voltages and converting the digital image signals to analog image signals and an output buffer which outputs the analog image signals to the data lines. The digital-to-analog converter includes a resistor string which receives the first and second gamma voltages and generates gamma voltages, a look-up table which stores selection signals, a first decoder which selects the gamma voltages and outputs the selected gamma voltages as gamma reference voltages, and a second decoder which converts the digital image signals to the analog image signals based on the gamma reference voltages. 1. A digital-to-analog converter comprising:a resistor string which generates a plurality of gamma voltages;a look-up table which stores a plurality of selection signals;a first decoder which selects the gamma voltages in response to the selection signals and outputs the selected gamma voltages as a plurality of gamma reference voltages; anda second decoder which converts a plurality of digital image signals to a plurality of analog image signals based on the gamma reference voltages from the first decoder.2. The digital-to-analog converter of claim 1 , whereinthe first decoder comprises a plurality of selectors, andeach of the selectors receives the gamma voltages and outputs one of the gamma voltages as a corresponding gamma reference voltage of the gamma reference voltages in response to a corresponding selection signal of the selection signals.3. The digital-to-analog converter of claim 2 , whereinthe selection signals stored in the look-up table comprise gamma voltage information to be selected by each of the selectors.4. The digital ...

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Номер записи: 77
27-02-2014 дата публикации

IMAGE DISPLAY APPARATUS AND CONTROL METHOD THEREOF

Номер: US20140055505A1
Автор: Ikeda Takeshi, Inamura Kohei, Tada Mitsuru, Uchiike Hiroshi
Принадлежит: CANON KABUSHIKI KAISHA

An image display apparatus according to the present invention, includes: a light-emitting unit capable of separately controlling emission brightness in each of a plurality of divided regions in a screen; a determining unit configured to determine target brightness of a predetermined divided region, based on image data corresponding to the predetermined divided region; an estimating unit configured to estimate brightness of the predetermined divided region when light is emitted by the light-emitting unit at emission brightness which is based on image data in each of the plurality of divided regions; and a control unit configured to control emission brightness of two or more divided regions including the predetermined divided region based on a difference between the target brightness determined by the determining unit and the brightness estimated by the estimating unit. 1. An image display apparatus comprising:a light-emitting unit capable of separately controlling emission brightness in each of a plurality of divided regions in a screen;a determining unit configured to determine target brightness of a predetermined divided region, based on image data corresponding to the predetermined divided region;an estimating unit configured to estimate brightness of the predetermined divided region when light is emitted by the light-emitting unit at emission brightness which is based on image data in each of the plurality of divided regions; anda control unit configured to control emission brightness of two or more divided regions including the predetermined divided region based on a difference between the target brightness determined by the determining unit and the brightness estimated by the estimating unit.2. The image display apparatus according to claim 1 , whereinthe predetermined divided region is a divided region where the estimated brightness is lower than the target brightness.3. The image display apparatus according to claim 1 , whereinthe predetermined divided region ...

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Номер записи: 78
06-03-2014 дата публикации

DISPLAY DEVICE

Номер: US20140063023A1
Автор: Baek Kwang Hyun, CHOI Jae Jin, Lee Bum, LEE Sang-Kil, Lim Kyu-Hun, YI So-Yeon
Принадлежит: Samsung Display Co., Ltd.

A display device having a display panel including a plurality of data lines; a data driver including at least one data driving circuit chip which transmits data signals to the plurality of data lines; and a signal controller transmitting a dummy control signal and an output image signal to a first data driving circuit chip of at least one data driving circuit chip. The first data driving circuit chip may include zero or more dummy channels which are not connected with the data lines, and the dummy control signal includes information on positions of the dummy channels included in the first data driving circuit chip and information regarding the number of dummy channels. 1. A display device , comprising:a display panel comprising a plurality of data lines;a data driver comprising at least one data driving circuit chip configured to transmit data signals to the plurality of data lines; anda signal controller configured to transmit a dummy control signal and an output image signal to the at least one data driving circuit chip,wherein the dummy control signal comprises information regarding a number of dummy channels that are not connected with the data lines and are included in the data driving circuit chip, and information on a position of the dummy channels when the data driving circuit chip comprises one or more dummy channels.2. The display device of claim 1 , further comprising:a memory configured to store dummy data for generating the dummy control signal in the signal controller.3. The display device of claim 2 ,wherein the information regarding the position of the dummy channels designates the position of the dummy channels as any one of a center of the data driving circuit chip, a first side of the data driving circuit chip, a second side opposite the first side of the data driving circuit chip, and both sides of the data driving circuit chip.4. The display device of claim 3 ,wherein when one of the dummy channels is disposed at the center of the data driving ...

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Номер записи: 79
06-03-2014 дата публикации

METHOD OF CONTROLLING A DIMMING OPERATION, DIMMING OPERATION CONTROL DEVICE, AND FLAT PANEL DISPLAY DEVICE HAVING THE SAME

Номер: US20140063078A1
Автор: Choi Yong-Seok, CHUN Byung-Ki, LEE Joo-Hyung, PARK Jong-Woong
Принадлежит:

A method of controlling a dimming operation is disclosed. In one aspect, the method includes determining the brightness of an input image frame based on input image data, determining an input dimming value based on the brightness of the input image frame, selectively performing the dimming operation is based on a comparison of an absolute value of a difference between the input dimming value and a current output dimming value against a predetermined threshold value, where a value generated by adjusting the current output dimming value by a predetermined adjustment value is output as a next output dimming value when performing the dimming operation, and the input dimming value is output as the next output dimming value when not performing the dimming operation. 1. A method of controlling a dimming operation , comprising:determining the brightness of an input image frame based on input image data;determining an input dimming value based on the brightness of the input image frame;deciding whether or not to perform the dimming operation by comparing an absolute value of a difference between the input dimming value and a current output dimming value against a predetermined threshold value; andoutputting as a next output dimming value one of a value generated by adjusting the current output dimming value by a predetermined adjustment value when deciding to perform the dimming operation andthe input dimming value when deciding not to perform the dimming operation.2. The method of claim 1 , wherein determining the brightness of the input image frame includes:converting the input image data corresponding to RGB data into a luminance signal including brightness information; andsetting the brightness of the input image frame as an average brightness after calculating the average brightness based on the luminance signal.3. The method of claim 1 , wherein determining the input dimming value includes:selecting a dimming value matched to the brightness of the input image frame ...

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Номер записи: 80
13-03-2014 дата публикации

SOURCE DRIVER AND METHOD FOR UPDATING A GAMMA CURVE

Номер: US20140071106A1
Автор: Fang Po-Hsiang, Lee Hsin-Hung, Lin Jr-Ching, Su Chia-Wei, Tseng Po-Yu, Yang Shun-Hsun
Принадлежит: NOVATEK MICROELECTRONICS CORP.

A source driver includes a first drive channel circuit, a voltage controller and a first programmable voltage buffer unit. The first drive channel circuit receives a first pixel data from the timing controller via a data bus, converts the first pixel data to a first drive voltage according to a first reference voltage group, and drives a display panel by the first drive voltage. The voltage controller receives a voltage command from the timing controller, generates and changes a first reference voltage configuration data according to the voltage command. The first programmable voltage buffer unit is coupled to the voltage controller and the first drive channel circuit, and receives the first reference voltage configuration data to generate and adjust the first reference voltage group for applying to the first drive channel circuit. Furthermore, a method for updating a new gamma curve by the source driver is also provided. 1. A source driver , comprising:at least a first drive channel circuit, configured for receiving a first pixel data from a timing controller via a data bus, converting the first pixel data to a first drive voltage according to a first reference voltage group, and driving a first data line of a display panel using the first drive voltage;a voltage controller, configured for receiving a voltage command from the timing controller, generating and changing a first reference voltage configuration data according to the voltage command; anda first programmable voltage buffer unit, coupled to the voltage controller and the first drive channel circuit, configured for receiving the first reference voltage configuration data, generating and adjusting the first reference voltage group for applying to the first drive channel circuit according to the first reference voltage configuration data.2. The source driver of claim 1 , wherein the timing controller transmits the voltage command to the source driver via the data bus during a line data transmitting period ...

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Номер записи: 81
20-03-2014 дата публикации

DISPLAY-CONTROLLING METHOD AND DISPLAY DEVICE

Номер: US20140078160A1
Автор: CHENG Ying-Kuang, LIU Bao-Kim, YANG Chung-Yi
Принадлежит: DELTA ELECTRONICS, INC.

A display-controlling method for controlling a display device to dynamically adjust a display configuration tag is disclosed in this invention. The display-controlling method includes steps of: determining whether a predetermined display function is enabled on the display device; selectively writing the display configuration tag complying with different display signal transmission protocols into a storage unit of the display device according to whether the predetermined display function is enabled on the display device; and, reading the display configuration tag and selectively providing a display signal complying with one of the different display signal transmission protocols. In addition, a display device is also disclosed herein. 1. A display-controlling method for controlling a display device to dynamically adjust a display configuration tag , a display signal source connected with the display device being used for selectively providing a display signal complying with a first display signal transmission protocol or a second display signal transmission protocol according to the display configuration tag , the display-controlling method comprising:determining whether a predetermined display function is enabled on the display device; andselectively writing the display configuration tag complying with the first display signal transmission protocol or the display configuration tag complying with the second display signal transmission protocol into a storage unit of the display device according to whether the predetermined display function of the display device is enabled.2. The display-controlling method of claim 1 , wherein claim 1 , when the predetermined display function is not enabled claim 1 , the display configuration tag complying with the first display signal transmission protocol is written into the storage unit according to the display-controlling method claim 1 , and a vendor specific data block (VSDB) is comprised by the display configuration tag ...

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Номер записи: 82
20-03-2014 дата публикации

Methods and devices for controlling operations of an organic light-emitting diode display

Номер: US20140078198A1
Автор: Eun Ji KANG, Jong Ho Roh, Jong Hyup Lee, Kee Moon CHUN, Kyoung Man Kim
Принадлежит: SAMSUNG ELECTRONICS CO LTD

In one example embodiment, a method of operating an image data processing circuit which controls an operation of an organic light-emitting diode (OLED) display includes transforming at least one first RGB value into at least one luminance value and at least one chroma value. The method further includes adjusting the at least one luminance value and the at least one chroma value based on at least one first control value. The method further includes generating at least one second RGB value based on the at least one adjusted luminance value and the at least one adjusted chroma value. The method further includes outputting the second RGB values to the OLED display.

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Номер записи: 83
27-03-2014 дата публикации

DRIVING CIRCUIT FOR FLAT PANEL DISPLAY DEVICE

Номер: US20140085171A1
Автор: JO Hyeon-Ja
Принадлежит: Samsung Display Co., Ltd.

A driving circuit for a flat panel display device is disclosed. In one aspect, the driving circuit includes a first region having a first width and a first length, a second region on one side of the first region and having the first width and the first length, and a third region on one side of the second region and having a second width and a second length, wherein the second width and the second length are different from the first width and the first length. The driving circuit also includes a fourth region on one side of the third region and having the second width and the second length, wherein each region has one or more transistors of only one type. 1. A driving circuit for a flat panel display device , the driving circuit comprising:a first region having a first width and a first length;a second region on one side of the first region and having the first width and the first length;a third region on one side of the second region and having a second width and a second length, wherein the second width and the second length are different from the first width and the first length; anda fourth region on one side of the third region and having the second width and the second length,wherein each region has one or more transistors of only one type.2. The driving circuit according to claim 1 , wherein the first width and the first length are greater than the second width and the second length claim 1 , respectively.3. The driving circuit according to claim 1 , wherein the first width is equal to or greater than the sum of the first length and the second length.4. The driving circuit according to claim 1 , wherein N-type transistors are in the first and third regions and P-type transistors are in the second and fourth regions.5. The driving circuit according to claim 1 , wherein N-type transistors are in the first and fourth regions and P-type transistors are in the second and third regions.6. The driving circuit according to claim 1 , wherein P-type transistors are in ...

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Номер записи: 84
03-04-2014 дата публикации

Display Panel

Номер: US20140092078A1
Автор: Kim Ji-Sun, Kim Jong Hee, KWON Yeong-Keun, LIM Jae Keun, SEO Young Wan, YOON Soo-Wan
Принадлежит:

A display device includes a display area including a gate line and a data line and a gate driver connected to an end of the gate line, the gate driver including at least one stages integrated on a substrate configured to output a gate voltage, in which the stage includes an inverter unit and an output unit, in which the output unit includes a first transistor and a first capacitor. The first transistor includes an input terminal applied with a clock signal, a control terminal connected to the node Q, and an output terminal connected to a gate voltage output terminal through which the gate voltage is output. An inverter voltage output from the inverter is lower than the low voltage of the gate voltage output by the output unit. 1. A display device comprising:a display area comprising a gate line and a data line; anda gate driver connected to an end of the gate line, the gate driver comprising at least one stage integrated on a substrate and configured to output a gate voltage, wherein the stage comprises an inverter unit and an output unit,wherein the output unit comprises a first transistor and a first capacitor,wherein the first transistor includes an input terminal applied with a clock signal, a control terminal connected to a node of the inverter unit, and an output terminal connected to a gate voltage output terminal through which the gate voltage is output, and whereinan inverter voltage output from the inverter is lower than the gate voltage output by the output unit.2. The display device of claim 1 , wherein the inverter unit comprises at least two transistors connected to the inverter voltage.3. The display device of claim 2 , wherein the stage further comprises a noise removal unit having at least a first transistor pair claim 2 , wherein the first transistor pair comprises a control terminal configured to receive an output voltage of the inverter claim 2 , an input terminal connected to the node claim 2 , and an output terminal connected to the inverter ...

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Номер записи: 85
03-04-2014 дата публикации

RECORDING MEDIUM, INFORMATION PROCESSING APPARATUS, AND PRESENTATION METHOD

Номер: US20140092098A1
Автор: AKAMA Katsuaki, ARIYAMA Kota, HORIGUCHI Nao, Tanimura Masashi, UENO Takeshi, Watanabe Ena
Принадлежит: FUJITSU LIMITED

When a French character is selected while an English character string candidate is presented, a mobile terminal presents English and French character string candidates by using an English/French mixed candidate dictionary. Furthermore, when a French character is selected while English and French character string candidates are presented by using the English/French mixed candidate dictionary, the mobile terminal presents a French character string candidate by using a French candidate dictionary. Moreover, when a character other than French is selected while a French character string candidate is presented by using the French candidate dictionary, the mobile terminal presents an English character string candidate by using an English candidate dictionary. 1. An information processing apparatus comprising a processor , wherein the processor executes a process including:while a character string candidate in a first character format is presented and when a character in a second character format is selected, presenting character string candidates in the first character format and the second character format, the second character format being different from the first character format;while character string candidates in the first character format and the second character format are presented and when a character in the second character format is selected, presenting a character string candidate in the second character format; andwhile a character string candidate in the second character format is presented and when a character in a character format other than the second character format is selected, presenting a character string candidate in the first character format.2. A computer-readable recording medium having stored therein a presentation program causing an information processing apparatus to execute a process comprising:while a character string candidate in a first character format is presented and when a character in a second character format is selected, presenting ...

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Номер записи: 86
03-04-2014 дата публикации

SYSTEM, METHOD, AND COMPUTER PROGRAM PRODUCT FOR MODIFYING A PIXEL VALUE AS A FUNCTION OF A DISPLAY DURATION ESTIMATE

Номер: US20140092150A1
Автор: Schutten Robert Jan, Slavenburg Gerrit A., Verbeure Tom
Принадлежит: NVIDIA CORPORATION

A system, method, and computer program product are provided for modifying a pixel value as a function of a display duration estimate. In use, a value of a pixel of an image frame to be displayed on a display screen of a display device is identified, wherein the display device is capable of handling updates at unpredictable times. Additionally, the value of the pixel is modified as a function of an estimated duration of time until a next update including the pixel is to be displayed on the display screen. Further, the modified value of the pixel is transmitted to the display screen for display thereof. 1. A method , comprising:identifying a value of a pixel of an image frame to be displayed on a display screen of a display device capable of handling updates to image frames at unpredictable times as a result of dynamic refreshing of the display device;estimating a duration of time in which a portion of the image frame including the pixel will be displayed, the estimated duration of time including an estimated time period between a display of the portion of the image frame and a next update made to the displayed portion of the image frame;modifying the value of the pixel of the image frame as a function of the estimated duration of time; andtransmitting the portion of the image frame having the modified value of the pixel to the display screen for display thereof.2. The method of claim 1 , wherein the value of the pixel is identified from a graphics processing unit.3. The method of claim 1 , wherein the estimated duration of time is determined based on a duration of time in which a previous image frame was displayed.4. The method of claim 3 , wherein the estimated duration of time is determined as the duration of time in which the previous image frame was displayed.5. The method of claim 3 , wherein the previous image frame immediately precedes the image frame to be displayed.6. The method of claim 1 , wherein the value of the pixel is modified utilizing an algorithm ...

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Номер записи: 87
10-04-2014 дата публикации

DISPLAY DEVICE, DISPLAY SYSTEM, MOBILE INFORMATION TERMINAL, AND DISPLAY DEVICE CONTROL METHOD

Номер: US20140098291A1
Автор: HIGASHI Norihiro
Принадлежит: FUNAI ELECTRIC CO., LTD.

A display device includes: a second shared memory which is used for sharing data with a smartphone, and into which an identification information item of a process corresponding to a hardware key included in the smartphone is written from the smartphone; a second identification information receiving unit which receives the identification information item from the smartphone by reading the identification information item from the second shared memory; and a second identification information transmitting unit which transmits information indicating selection of the identification information item to the smartphone, by writing the information in the second shared memory. 1. A display device comprising:a shared memory which is used for sharing data with a mobile information terminal, and into which one or more identification information items of respective processes corresponding to one or more hardware keys included in the mobile information terminal are written from the mobile information terminal;an identification information receiving unit configured to receive the one or more identification information items from the mobile information terminal, by reading the one or more identification information items from the shared memory; andan identification information transmitting unit configured to transmit, to the mobile information terminal, information indicating selection of one of the one or more identification information items, by writing the information into the shared memory.2. The display device according to claim 1 , further comprising:a display control unit configured to display, on a screen of the display device, menu information having the one or more identification information items received by the identification information receiving unit as corresponding one or more menu entries; anda selection signal receiving unit configured to receive a selection signal indicating a menu entry selected by a user from among the one or more menu entries included in the ...

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Номер записи: 88
07-01-2021 дата публикации

TOUCH SENSOR AND DISPLAY DEVICE HAVING A TOUCH SENSOR

Номер: US20210004112A1
Автор: Miyamoto Mitsuhide
Принадлежит:

The touch sensor includes a touch detection area with at least a part of a curved area having a curved edge. In the touch detection area, a plurality of first electrodes and second electrodes disposed side by side in a first direction and in a second direction are disposed. A plurality of first electrodes disposed side by side in the first direction are connected to each other. A plurality of second electrodes disposed side by side in the second direction are connected to each other. In the curved area, distances between the plurality of first electrodes and the second electrodes in the first direction gradually change in the second direction. 1. A touch sensor comprising:a touch detection area with a least a part of a curved area having a curved edge, whereinin the touch detection area, a plurality of first electrodes and second electrodes disposed side by side in a first direction and in a second direction are disposed,a plurality of first electrodes disposed side by side in the first direction are connected to each other,a plurality of second electrodes disposed side by side in the second direction are connected to each other, andin the curved area, distances between the plurality of first electrodes and the second electrodes in the first direction gradually change in the second direction.2. The touch sensor according to claim 1 , wherein a first side that linearly extends in the first direction,', 'a second side that linearly extends in the second direction, and', 'a curved side., 'the curved area is an area surrounded by'}31. The touch sensor according to claim claim 1 , whereinin the curved area, the distances between the plurality of first electrodes and the second electrodes in the second direction are constant.4. The touch sensor according to claim 3 , whereinin a first area adjacent to the curved area in the first direction, the distances between the plurality of first electrodes and the second electrodes in the first direction gradually change in the ...

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Номер записи: 89
04-01-2018 дата публикации

BUFFERING GRAPHICS TILED RESOURCE TRANSLATIONS IN A DATA PORT CONTROLLER TLB

Номер: US20180005349A1
Автор: Appu Abhishek R., Ray Joydeep, Sodhi Sandeep S., Valerio James A.
Принадлежит: Intel Corporation

Methods and apparatus relating to buffering graphics tiled resource translations in a data port controller TLB (Translation Lookaside Buffer) are described. In an embodiment, controller logic causes storage of information corresponding to a tiled resource in a first entry of a Translation Lookaside Buffer (TLB) in response to a request corresponding to the tiled resource. A second entry of the TLB is capable of storing data corresponding to a coherent memory request. The tiled resource comprise data corresponding to a portion of an image. Other embodiments are also disclosed and claimed. 1. An apparatus comprising:controller logic, at least a portion of which is in hardware, to cause storage of information corresponding to a tiled resource in a first entry of a Translation Lookaside Buffer (TLB) in response to a request corresponding to the tiled resource,wherein a second entry of the TLB is capable to store data corresponding to a coherent memory request, wherein the tiled resource is to comprise data corresponding to a portion of an image.2. The apparatus of claim 1 , wherein the first entry is capable to store at least one bit to indicate whether the information corresponds to the tiled resource.3. The apparatus of claim 1 , wherein the portion of the image is to be determined based at least in part on one or more of: user input claim 1 , programmer input claim 1 , application input claim 1 , available hardware support.4. The apparatus of claim 1 , wherein the tiled resource is to correspond to an image tile for one or more of: an OpenGL® programming interface claim 1 , a DirectX® programming interface claim 1 , and an OpenCL™ framework.5. The apparatus of claim 1 , wherein the data stored in the second entry of the TLB is to correspond to a General Purpose Graphics Processor Unit (GPGPU) operation claim 1 , wherein the second entry of the TLB is to comprise information to translate a virtual address of a GPGPU memory request to a system physical address.6. The ...

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Номер записи: 90
08-01-2015 дата публикации

Generation and display of digital images

Номер: US20150009203A1
Автор: Robin George Fulton
Принадлежит: BAE SYSTEMS plc

The present invention relates to a digital display plotter for plotting images on a digital display device 18. A cursive imagery generator 12 generates imagery inputs at a plurality of respective update phases during a refresh period of the display device. A control 20 for the display device activates selected pixels of the digital display device in response to respective said imagery inputs, activation being controlled subsequent to each update phase during a refresh period. An input store 14, 16 associates each cursively generated imagery input with an update phase that the imagery input was generated during a refresh period. The control 20 is responsive to the input store and configured to deactivate the selected pixels activated in response to each imagery input dependent on the associated update phase of each imagery input.

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Номер записи: 91
08-01-2015 дата публикации

VIDEO DISPLAY DEVICE AND TELEVISION RECEIVING DEVICE

Номер: US20150009411A1
Автор: Fujine Toshiyuki, Shiraya Yoji
Принадлежит: SHARP KABUSHIKI KAISHA

A light emission portion of a video signal is detected, and the display intensity of the light emission portion is enhanced for emphasis display. At this moment, the intensity stretch amount is controlled in accordance with a status of video black display, thereby increasing the feeling of brightness and hence improving the video quality. A light emission detecting portion () generates a histogram obtained by integrating numbers of pixels for a predetermined feature value of an input video signal and detects, as a light emission part, a high-level area of a predetermined range of the histogram. An area-active-control/luminance-stretching portion () stretches and increases the intensity of a backlight portion () on the basis of an index related to a brightness calculated, on the basis of a predetermined condition, from the input video signal, and lowers the video signal intensity of the non-light emission part excluding the light emission part. At this moment, the area-active-control/luminance-stretching portion () changes, in accordance with a black display amount detected by a black detection portion (), a control curve that defines the relationship between the index related to the brightness and the stretch amount. 19-. (canceled)10. A video display device comprising: a display portion for displaying an input video signal; a light source for illuminating the display portion; and a control portion for controlling the display portion and the light source , whereinthe control portion stretches and increases luminance of the light source based on control curves that define a relation between an index associated with brightness calculated based on a predetermined condition from the input video signal and a luminance stretch quantity for stretching the luminance of the light source, anddetects a light emitting part that is regarded as a video emitting light based on a predetermined feature quantity of the input video signal and reducing luminance of a video signal of a ...

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Номер записи: 92
14-01-2021 дата публикации

MULTI-DISPLAY BASED DEVICE

Номер: US20210011678A1
Автор: HONG Duk Ki, Kang Hyuk, KIM Jeong Hun, KIM Min Gyew, LIM Jun Hak, LIM Kyung Soo, SEO Na Jung, YOO Jae Bong
Принадлежит:

An electronic device is provided that includes a first display and a second display. The electronic device also includes a processor configured to allocate a first set of resources to the first display and a second set of resources to the second display. The first set of resources is different from the second set of resources. Each of the first set of resources and the second set of resources includes one or more of at least one available hardware resource and at least one available software resource. 1. An electronic device , comprising:a first display;a second display; anda processor configured to allocate a first set of resources to the first display and a second set of resources to the second display, the first set of resources being different from the second set of resources, and each of the first set of resources and the second set of resources comprising one or more of at least one available hardware resource and at least one available software resource.2. The electronic device of claim 1 , wherein a first hardware component accessible with respect to the first display is different from a second hardware component accessible with respect to the second display.3. The electronic device of claim 2 , wherein the first hardware component and the second hardware component are selected from a plurality of hardware components comprising a camera claim 2 , a speaker claim 2 , a microphone claim 2 , a receiver claim 2 , a sensor claim 2 , and a communication module.4. The electronic device of claim 3 , wherein the processor comprises:a resource manager configured to receive an access request for at least one of the plurality of hardware components from an application executed on the first display or the second display; anda task manager configured to assign an access right for the at least one of the plurality of hardware components to the application.5. The electronic device of claim 4 , wherein:the resource manager transfers the access request to the task manager, ...

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Номер записи: 93
11-01-2018 дата публикации

METHOD FOR DETECTING TERMINAL STATIC LAYER INFORMATION, TERMINAL AND TELEVISION

Номер: US20180013931A1
Автор: Li Xin, Su Hui, YU QINGXIAO
Принадлежит:

Embodiments of present application relate to a method for detecting terminal static layer information, a terminal and a television. Based on the fact that a static layers in the terminal such as the OSD display layer and third-party application are managed as a whole by the terminal layer management module, this embodiment sets forth that: a current topmost layer is determined according to number information of each layer in a terminal layer management module; then a pixel value of a preset region in the topmost layer is obtained; analysis is performed on the pixel value in the preset region, and it is determined whether the pixel value of the preset region is different from a target pixel value. If the pixel value of the preset region is different from the target pixel value, then it is determined that there is image content in the topmost layer. 1. A method for detecting terminal static layer information , comprising:determining a current topmost layer according to number information of each layer in a terminal layer management module;obtaining a pixel value of a preset region in the topmost layer;determining whether the pixel value of the preset region is different from a target pixel value;determining that there is image content in the topmost layer, if the pixel value of the preset region is different from the target pixel value.2. The method for detecting terminal static layer information according to claim 1 , wherein the obtaining a pixel value of a preset region in the topmost layer comprises:obtaining RGB pixel values of all pixels in the preset region of the topmost layer;calculating a mean of the RGB pixel values in the preset region according to the RGB pixel values of all the pixels in the preset region;setting the mean of the RGB pixel values in the preset region as the pixel value of the preset region.3. The method for detecting terminal static layer information according to claim 1 , wherein the determining whether the pixel value of the preset ...

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Номер записи: 94
15-01-2015 дата публикации

MULTIVISION DEVICE AND LENS BAR ATTACHED TO THE SAME

Номер: US20150015974A1
Автор: HUR Hoon, JEONG Chansung, PARK Sangtae
Принадлежит:

A multivision device, which may minimize a screen split zone, and a lens bar attached to the same are disclosed. The multivision device comprises a plurality of display parts; a frame part disposed between two adjacent ones of the plurality of display parts; and a lens bar disposed above the frame part, wherein the lens bar includes a first surface, and a second surface which is located at an opposite side of the first surface and faces the frame part, the first surface includes a first area which is gradually close to the second surface towards a center of the lens bar from a side of the lens bar, and an air gap exists between the lens bar and the frame part. 1. A lens bar comprising:a body having a first surface and a second surface located at an opposite side of the first surface; anda fixing part located below the body,wherein the first surface includes a first area which is gradually close to the second surface towards a center of the body from a side of the body, the first area exists respectively at both sides of the body on the first surface, and the fixing part has a width narrower than that of the body.2. The lens bar according to claim 1 , wherein the first area includes a curved surface.3. The lens bar according to claim 2 , wherein the curved surface is convex towards a direction far away from the second surface.4. The lens bar according to claim 1 , wherein the first area exists respectively at both sides of the lens bar on the first surface.5. The lens bar according to claim 4 , wherein the lens bar has a portion having a constant thickness between the first areas.6. A multivision device comprising:a plurality of display parts;a frame part disposed between two adjacent ones of the plurality of display parts; anda lens bar disposed above the frame part,wherein the lens bar includes a first surface, and a second surface which is located at an opposite side of the first surface and faces the frame part, the first surface includes a first area which is ...

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Номер записи: 95
19-01-2017 дата публикации

IDLE FRAME COMPRESSION WITHOUT WRITEBACK

Номер: US20170018247A1
Автор: Frederiksen Jeffrey E., Holland Peter F.
Принадлежит:

A system and method for display frame compression and write to memory are disclosed. A display pipe is configured to generate frames for display. Additionally, the display pipe may be configured to initiate compression of a frame prior to detection of an idle condition. The display pipe may also be configured to determine to selectively allow write-back logic to operate responsive to detecting various conditions. The display pipe may compress a frame and compare the size of the frame as compressed to a threshold value. If the size of the compressed frame exceeds the threshold value, write back of the compressed frame to memory is prevented. Write back of the compressed frame may be further conditioned on the detection of other conditions. 1. A display control unit configured to:initiate compression of a frame from source image data responsive to detecting a first condition;if a second condition is met, permit a compressed frame to be written to memory; andif the second condition is not met, prevent the compressed frame from being written to the memory.2. The display control unit as recited in claim 1 , wherein determining the second condition is met comprises determining a size of the compressed frame does not exceed a threshold size.3. The display control unit as recited in claim 2 , wherein determining the second condition is met further comprises determining an idle condition is met.4. The display control unit as recited in claim 3 , wherein determining the idle frame condition is met comprises detecting M consecutive unchanged frames claim 3 , where M is an integer claim 3 , and wherein determining the first condition is met comprises detecting N consecutive unchanged frames claim 3 , where N is an integer that is greater than zero and less than M.5. The display control unit as recited in claim 1 , wherein responsive to determining the second condition is met claim 1 , the display control unit is further configured to:read the compressed frame from the memory; ...

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Номер записи: 96
17-04-2014 дата публикации

ELECTRONIC APPARATUS AND HANDWRITTEN DOCUMENT PROCESSING METHOD

Номер: US20140104201A1
Автор: Tsutsui Hideki
Принадлежит: KABUSHIKI KAISHA TOSHIBA

According to one embodiment, an electronic apparatus includes a generator, a selector, a converter, and a storing module. The generator generates first stroke data corresponding to one or more strokes written by handwriting. The selector selects a first figure object to be associated with the first stroke data. The converter converts the first stroke data into second stroke data corresponding to a second figure object obtained by transforming the first figure object. The storing module stores the first figure object and the first stroke data in a storage medium in association with each other, and stores the second figure object and the second stroke data in the storage medium in association with each other. 1. An electronic apparatus comprising:a generator configured to generate first stroke data corresponding to one or more strokes written by handwriting;a selector configured to select a first figure object to be associated with the first stroke data;a converter configured to convert the first stroke data into second stroke data corresponding to a second figure object obtained by transforming the first figure object; anda storing module configured to store the first figure object and the first stroke data in a storage medium in association with each other, and to store the second figure object and the second stroke data in the storage medium in association with each other.2. The apparatus of claim 1 , wherein the second figure object is a figure object obtained by rotating or flipping the first figure object.3. The apparatus of claim 1 , wherein the second figure object is a figure object obtained by changing an aspect ratio of the first figure object.4. The apparatus of claim 1 , wherein the converter is configured to read a conversion method for converting the first figure object into the second figure object from the storage medium and to convert the first stroke data into the second stroke data based on the read conversion method.5. The apparatus of claim 1 , ...

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Номер записи: 97
17-01-2019 дата публикации

BACKLIGHT ASSEMBLY AND DISPLAY DEVICE

Номер: US20190019445A1
Автор: Huang Jianming, Liu Rongcheng, Ma Rui, Shin Mookeun, Xu Haifeng
Принадлежит:

The present disclosure relates to a field of optical technology, and discloses a backlight assembly and a display device. The backlight assembly includes a frame, an optical film, a light guide plate and a fixing structure; the optical film is located on a light-emitting side of the light guide plate, and the frame is located on a side of the optical film; the fixing structure comprises a first fixing sub-structure on the optical film and a second fixing sub-structure on the frame, and the first fixing sub-structure is engaged with the second fixing sub-structure. 1. A backlight assembly , comprising:a frame, an optical film, a light guide plate and a fixing structure;wherein the optical film is located on a light-emitting side of the light guide plate, and the frame is located on a side surface of the optical film; andwherein the fixing structure comprises a first fixing sub-structure on the optical film and a second fixing sub-structure on the frame, and the first fixing sub-structure is engaged with the second fixing sub-structure.2. The backlight assembly according to claim 1 , whereinthe frame comprises a strip frame and a strip-shaped extension structure on a side surface of the strip frame, an edge of the optical film is located in a bent area formed by a side of the strip frame and a side of the strip-shaped extension structure; andthe first fixing sub-structure comprises lugs at at least one end of the optical film, and each of the lugs is provided with a groove at a side thereof facing away from the light guide plate; the second fixing sub-structure comprises protrusions on a side of the strip-shaped extension structure, and the protrusions are engaged in the grooves.3. The backlight assembly according to claim 2 , wherein the backlight assembly further comprises:a back plate comprising a bottom plate and a strip structure at at least one end of the bottom plate, andwherein the light guide plate is located between the optical film and the bottom plate, and ...

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Номер записи: 98
22-01-2015 дата публикации

LIGHT EMITTING DISPLAY APPARATUS, METHOD OF REPAIRING THE SAME AND METHOD OF DRIVING THE SAME

Номер: US20150022513A1
Автор: KIM Dong-Gyu
Принадлежит: Samsung Display Co., Ltd.

A light emitting display apparatus includes a plurality of emission pixels in an active area, a plurality of dummy pixels in a dummy area; and a plurality of repair lines, each connecting an emission pixel of the emission pixels to a dummy pixel of the dummy pixels, wherein a data signal is simultaneously provided to the emission pixel and the dummy pixel which are connected to the repair line so that the emission pixel emits light. 1. A light emitting display apparatus comprising:a plurality of emission pixels in an active area;a plurality of dummy pixels in a dummy area; anda plurality of repair lines, each connecting an emission pixel of the emission pixels to a dummy pixel of the dummy pixels, wherein a data signal is simultaneously provided to the emission pixel and the dummy pixel which are connected to the repair line so that the emission pixel emits light.2. The light emitting display apparatus as claimed in claim 1 , wherein each of the emission pixels includes:an emission pixel circuit connected to an emission device,wherein each dummy pixel includes a dummy pixel circuit, andthe repair line connects the emission device of the emission pixel to the dummy pixel circuit of the dummy pixel at a time when the emission pixel circuit and the emission device are not connected to one another.3. The light emitting display apparatus as claimed in claim 2 , wherein the emission pixel circuit includes:a first transistor to transfer a data signal in response to a scan signal;a capacitor to store a voltage corresponding to the data signal; anda second transistor to transfer a driving current corresponding to the voltage stored in the capacitor to the emission device.4. The light emitting display apparatus as claimed in claim 2 , wherein the dummy pixel circuit and the emission pixel circuit have substantially a same structure.5. The light emitting display apparatus as claimed in claim 1 , wherein: each of the emission pixels includes:a plurality of sub-emission pixels, ...

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Номер записи: 99
16-01-2020 дата публикации

Method and Apparatus for Controlling Display Screen Statuses

Номер: US20200020305A1
Автор: Zhou Yibao
Принадлежит:

Provided are a method and apparatus for controlling display screen statuses. The method includes the following. A detection signal is transmitted by a signal emitter. A proximity light reflection signal of the detection signal reflected by an external object is received by a first signal receiver and a distant light reflection signal of the detection signal reflected by the external object is received by a second signal receiver. Intensity of the reflection signal received by the first signal receiver is compared with a first threshold to obtain a first comparison result. Intensity of the reflection signal received by the second signal receiver is compared with a second threshold to obtain a second comparison result. Control statuses of the display screen according to the first comparison result and the second comparison result. 1. A method for controlling display screen statuses , being applicable to a terminal comprising a display screen , a signal emitter , a first signal receiver , and a second signal receiver; wherein a distance between the second signal receiver and the signal emitter is greater than that between the first signal receiver and the signal emitter , the method comprising:emitting, by the signal emitter, a detection signal;receiving, by the first signal receiver, a proximity light reflection signal of the detection signal reflected by an external object and receiving, by the second signal receiver, a distant light reflection signal of the detection signal reflected by the external object;comparing intensity of the reflection signal received by the first signal receiver with a first threshold to obtain a first comparison result;comparing intensity of the reflection signal received by the second signal receiver with a second threshold to obtain a second comparison result; andcontrolling statuses of the display screen according to the first comparison result and the second comparison result.2. The method of claim 1 , wherein 'determining whether the ...

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Номер записи: 100