СПОСОБ ПРОЕЦИРОВАНИЯ ЦВЕТНЫХ ИЗОБРАЖЕНИЙ С ИСПОЛЬЗОВАНИЕМ ПРОСТРАНСТВЕННОЙ МОДУЛЯЦИИ СВЕТА И МОДУЛЯЦИИ ИСТОЧНИКОВ СВЕТА

Изобретение относится к системам проецирования цветных изображений. Техническим результатом является возможность проецирования изображений с улучшенным разрешением шкалы яркостей. Результат достигается посредством управления проекционной системой, содержащей несколько твердотельных источников (2, 3, 4) света разного цвета (12, 13, 14) и по меньшей мере один пространственный модулятор (1) света, содержащий матрицу переключаемых элементов. Упомянутая матрица освещается по меньшей мере одним из упомянутых источников (2, 3, 4) света в течение нескольких периодов освещения и адресуется, из условия чтобы свет модулировался временным и пространственным образом для проецирования изображений на экран. В представленном способе упомянутые источники (2, 3, 4) света управляются, чтобы испускать свет, модулированный по амплитуде (15) и/или времени (18), в течение упомянутых периодов освещения упомянутой матрицы. С помощью представленного способа может достигаться увеличенное разрешение шкалы яркостей ...

ДИСПЛЕЙНОЕ УСТРОЙСТВО, КОМПЬЮТЕРНАЯ ПРОГРАММА, НОСИТЕЛЬ ЗАПИСИ И СПОСОБ ОЦЕНИВАНИЯ ТЕМПЕРАТУРЫ

Изобретение относится к области измерительной техники и может быть использовано для оценивания температуры окружающей среды вокруг дисплейного устройства. Предложены дисплейное устройство, которое обеспечивает возможность точного оценивания температуры окружающей среды вокруг дисплейного устройства, носитель записи и способ оценивания температуры окружающей среды. Датчик 10 температуры панели и датчик 20 температуры платы переключений расположены в отличающихся местах дисплейного устройства 100. Управляющий блок 30 задает информацию о соотношении, указывающую на соотношение между первой разностью ΔТр температур между температурой Тр, измеренной датчиком 10 температуры панели, и температурой Те окружающей среды, и второй разностью ΔTs температур между температурой Ts, измеренной датчиком 20 температуры платы переключений, и температурой Те окружающей среды. Управляющий блок 30 оценивает температуру Те окружающей среды на основе заданной информации о соотношении и температур Тр и Ts, измеренных ...

СПОСОБ УСТАНОВКИ ПАРАМЕТРА ОТОБРАЖЕНИЯ И СИСТЕМА ЖИДКОКРИСТАЛЛИЧЕСКОГО ДИСПЛЕЯ

Изобретение относится к области технологии жидкокристаллического дисплея. Технический результат – обеспечение автоматической установки параметра отображения для жидкокристаллической панели отображения. Способ установки параметра отображения включает: получение первого значения яркости, когда жидкокристаллическая панель отображения отображает изображение минимального оттенка серого, и второго значения яркости, когда жидкокристаллическая панель отображения отображает изображение максимального оттенка серого; на основе полученных значений получение целевого значения яркости каждого оттенка серого, соответствующего стандартной кривой гамма-распределения; на основе целевого значения яркости каждого оттенка серого и отношения между напряжением оттенков серого и значением яркости жидкокристаллической панели отображения, получение целевого напряжения оттенков серого каждого оттенка серого; и установку напряжения оттенков серого каждого оттенка серого на целевое напряжение оттенков серого шкалы ...

УСТРОЙСТВО ОТОБРАЖЕНИЯ

Изобретение относится к устройствам отображения. Техническим результатом является уменьшение неоднородности в цвете, являющейся результатом проявления свойства угла наблюдения изогнутой части цельной линзы. Результат достигается тем, что устройство отображения снабженное цельной линзой на передней стороне поверхности отображения включает в себя: часть ввода видеосигнала для ввода видеосигнала; и часть преобразования изображения для подвергания, для каждой горизонтальной линии, отображаемых изображений, полученных из видеосигналов, введенных посредством части ввода видеосигнала, тех, которые соответствуют изогнутой части цельной линзы, преобразованию изображения. 2 н. и 4 з.п. ф-лы, 14 ил.

ПОДЛОЖКА МАТРИЦЫ, СРЕДСТВО ОТОБРАЖЕНИЯ И СПОСОБ УПРАВЛЕНИЯ ИМИ

Изобретение относится к подложке матрицы, средству отображения и способу управления средством отображения. Технический результат заключается в снижении нагрузки на подложку матрицы. В способе выполняют получение ШИМ-сигнала от цепи создания импульсов, получение опорного гамма-напряжения в соответствии с ШИМ-сигналом, выдачу опорного гамма-напряжения в драйвер истока для управления отображением изображения, причем этап получения опорного гамма-напряжения включает разделение последовательного ШИМ-сигнала на несколько параллельных ШИМ-сигналов; интегрирование параллельных ШИМ-сигналов как ШИМ-сигналов, имеющих разную ширину; использование ШИМ-сигналов, имеющих разную ширину, в качестве сигналов управления для заряда и разряда множества конденсаторов для предоставления опорного гамма-напряжения, обеспечивая возможность множеству конденсаторов зарядиться до различных значений заряда; стабилизацию опорного гамма-напряжения, подаваемого в драйвер истока, причем этап получения опорного гамма-напряжения ...

СПОСОБЫ ДЛЯ ДИСПЛЕЯ С ДВОЙНОЙ МОДУЛЯЦИЕЙ С ПРЕОБРАЗОВАНИЕМ СВЕТА

Изобретение относится к средствам отображения с двойной модуляцией с преобразованием света. Техническим результатом является обеспечение средства отображения с широкой цветовой гаммой и высокой яркостью, обладающего повышенной производительностью дисплея и уменьшенным тепловыделением. Результат достигается тем, что источники света излучают первый свет на светопреобразующий слой. Светопреобразующий слой преобразует первый свет во второй свет. Светопреобразующий слой содержит квантовые точки. Логический блок выполняет одно или несколько имитационных моделирований светового поля для цветового сдвига в зависимости от функции рассеяния точки подсветки. Контроллер может регулировать значения возбуждения для одного или нескольких модуляторов света в зависимости от имитационного моделирования светового поля. 2 н. и 1 з.п. ф-лы, 5 ил.

ПОДЛОЖКА МАТРИЦЫ И ПАНЕЛЬ ЖИДКОКРИСТАЛЛИЧЕСКОГО ДИСПЛЕЯ

Изобретение относится к подложке матрицы и панели жидкокристаллического дисплея. В подложке матрицы каждый пиксель имеет первую область пикселя, вторую область пикселя и третью область пикселя. Напряжение, подаваемое на первую область пикселя, составляет Va. Напряжение, подаваемое на вторую область пикселя, составляет Vb, и напряжение, подаваемое на третью область пикселя, составляет Vc, и отношение напряжений составляет Va>Vb>Vc. Интервалы отношений площади первой области пикселя, второй области пикселя и третьей области пикселя к пикселю составляют соответственно 5%-25%, 20%-45% и 35%-75%. Технический результат - уменьшение разницы в цвете при широком угле обзора, что позволяет получить улучшенный эффект малого изменения цвета и повысить качество отображения. 3 н. и 15 з.п. ф-лы, 2 ил.

ПОДЛОЖКА МАТРИЦЫ И ПАНЕЛЬ ЖИДКОКРИСТАЛЛИЧЕСКОГО ДИСПЛЕЯ

Изобретение относится к способам изготовления жидкокристаллических дисплеев и, в частности, к подложке матрицы и панели жидкокристаллического дисплея. Подложка матрицы включает первые линии сканирования (ЛС1), вторые линии сканирования (ЛС2), третьи линии сканирования (ЛС3), линии данных (ЛД), пиксели и общий электрод (ОЭ). ЛС2 электрически соединены в периферической области подложки матрицы. Каждый пиксель включает первый электрод пикселя (Э1), второй электрод (Э2) пикселя, третий электрод (Э3) пикселя и первый переключатель (П1), второй переключатель (П2) и третий переключатель (П3), которые соответственно влияют на Э1 пикселя, Э2 пикселя и Э3 пикселя. Каждый пиксель, кроме того, включает первую управляющую схему (УС1) и вторую управляющую схему (УС2). ЛД соответственно подсоединены к Э1 пикселя, Э2 пикселя и Э3 пикселя через П1, П2 и П3, чтобы подавать сигнал данных. П1, П2 и П3 включаются, когда ЛС1 подводит первый сигнал сканирования. УС1 соединена с ОЭ. УС1 регулирует разницу напряжений ...

Устройство отображения графической и текстовой информации

Полезная модель относится к электронике, а именно к системам отображения визуальной текстографической информации с использованием экранов, изготовленных по технологии "электронная бумага" (также известна, как "электронные чернила", т.е. e-Ink).Устройство отображения графической и текстовой информации, включающее контроллер управления и передачи информации 1 с электронной схемой управления 2, вычислительное устройство 3 с микропроцессором 4, экран на базе технологии «электронная бумага» 5 и источник электропитания 6, отличающееся тем, что контроллер 1 управляет и передает информацию с помощью радиоканала передачи данных 7, микропроцессор 4 обеспечивает возможность реализации протокола приема-передачи цифровой информации, хранения и обработки данных, а также логики управления питанием устройства, имеется антенна радиосвязи ближнего радиуса действия 8, при этом схема управления 2 обеспечивает передачу воздействий, необходимых для подачи сигналов вывода изображения на разъемное соединение экрана ...

УСТРОЙСТВО ОТОБРАЖЕНИЯ

Изобретение относится к устройствам отображения с активной матрицей. Устройство отображения содержит магистральные соединительные линии (71) управляющих сигналов, которые передают управляющие сигналы, такие как тактовые сигналы, сформированные из металлической пленки (701) истока в области на противоположной стороне области отображения относительно области сдвигового регистра. Магистральная соединительная линия (73) VSS для передачи низкоуровневого потенциала электропитания постоянного тока сформирована из металлической пленки (701) истока в области между областью сдвигового регистра и областью отображения. Каждая из бистабильных схем, формирующих сдвиговый регистр (410), и магистральная соединительная линия (71) управляющего сигнала соединены ответвленной соединительной линией (72) управляющего сигнала, сформированным из металлической пленки (702) затвора. Каждая бистабильная схема и магистральная соединительная линия (73) VSS соединены ответвленной соединительной линией (74) VSS, сформированным ...

МАТРИЧНАЯ ПОДЛОЖКА И СПОСОБ ЕЕ ВОЗБУЖДЕНИЯ, ПАНЕЛЬ ОТОБРАЖЕНИЯ И УСТРОЙСТВО ОТОБРАЖЕНИЯ

Изобретение относится к области отображения данных. Технический результат – обеспечение возбуждения матричной подложки высокого разрешения посредством одной пиксельной схемы. Матричная подложка содержит множество циркуляционных блоков и множество пиксельных блоков, причем: каждый циркуляционный блок состоит из четырех субпиксельных блоков, расположенных в четырех столбцах и двух строках, субпиксельные блоки в любых двух смежных столбцах расположены в различных строках и имеют различные цвета, и субпиксельные блоки по меньшей мере в одной строке имеют различные цвета; каждый субпиксельный блок соединен с одной пиксельной схемой, и каждый субпиксельный блок содержит первый субпиксель и второй субпиксель, расположенный в том же столбце и имеющий такой же цвет; при этом пиксельная схема выполнена с возможностью возбуждения первого субпикселя, когда отображается картинка первого кадра, и возбуждения второго субпикселя, когда отображается картинка второго кадра. 4 н. и 5 з.п. ф-лы, 4 ил.

ПАНЕЛЬ ДИСПЛЕЯ, ТЕРМИНАЛ И СПОСОБ УПРАВЛЕНИЯ ДИСПЛЕЕМ

Изобретение относится к области техники дисплеев. Техническим результатом является повышение качества изображений за счет повышения коэффициента контраста и насыщенности изображений, полученных оптическими датчиками. Панель дисплея включает панель дисплея изображений, матрицу оптических датчиков на панели дисплея изображений, а также решетчатую панель поверх матрицы оптических датчиков. Матрица оптических датчиков включает множество оптических датчиков, размещенных в матрице. Решетчатая панель имеет область оптического затенения, которая не перекрывается с областью оптического считывания оптических датчиков. 3 н. и 8 з.п. ф-лы, 28 ил.

ЖИДКОКРИСТАЛЛИЧЕСКАЯ ПАНЕЛЬ И СПОСОБ УПРАВЛЕНИЯ ТАКОЙ ПАНЕЛЬЮ

Группа изобретений относится к технологиям управления жидкокристаллическими дисплеями. Техническим результатом является обеспечение уменьшения изменения цвета при боковом или наклонном обзоре. Предложен способ управления жидкокристаллической панелью. Причем жидкокристаллическая панель содержит множество пиксельных блоков, причем каждый пиксельный блок содержит по меньшей мере синий субпиксель. Согласно способу осуществляют разделение жидкокристаллической панели на несколько блоков отображения, причем каждый блок отображения содержит соседние первый пиксельный блок и второй пиксельный блок. При этом для значений оттенков серого В синего субпикселя, требуемых блоком отображения, способ включает предоставление синего субпикселя первого пиксельного блока со значением оттенков серого ВН и предоставление синего субпикселя второго пиксельного блока со значением оттенков серого BL. 2 н. и 18 з.п. ф-лы, 4 ил.

ЗАЩИТНАЯ СХЕМА, ПОДЛОЖКА МАТРИЦЫ И ПАНЕЛЬ ОТОБРАЖЕНИЯ

Изобретение относится к области технологии дисплеев. Технический результат заключается в предотвращении отказа функции отображения жидкокристаллической панели отображения. Предусмотрены защитная схема, подложка матрицы и панель отображения. Защитная схема включает в себя: подсхему управления, имеющую первый конец, электрически подключенный к контакту ввода напряжения, и второй конец, выполненный с возможностью вывода сигнала общего напряжения, подаваемого с контакта ввода напряжения; и разрядную подсхему, имеющую первый конец, электрически подключенный ко второму концу подсхемы управления, и второй конец, электрически подключенный к по меньшей мере одной линии данных. Разрядная подсхема высвобождает электрические заряды по меньшей мере одной линии данных под управлением сигнала общего напряжения, подаваемого от подсхемы управления. 3 н. и 8 з.п. ф-лы, 6 ил.

УСТРОЙСТВО ОТОБРАЖЕНИЯ

... 1. Устройство отображения, содержащее пиксель, определяемый множеством суб-пикселей, при этом:множество суб-пикселей включает в себя, по меньшей мере красный суб-пиксель для отображения красного, зеленый суб-пиксель для отображения зеленого, синий суб-пиксель для отображения синего, и желтый суб-пиксель для отображения желтого; ипри подаче извне входного сигнала, соответствующего зеленому в цветовом пространстве sRGB, отображение обеспечивается, используя желтый суб-пиксель в дополнение к зеленому суб-пикселю.2. Устройство отображения по п.1, в котором:множество суб-пикселей дополнительно включает в себя голубой суб-пиксель, для отображения голубого; ипри подаче входного сигнала, отображение обеспечивается, используя голубой суб-пиксель в дополнение к зеленому суб-пикселю и желтому суб-пикселю.3. Устройство отображения по п.2, в котором повышающие коэффициенты уровней градации зеленого суб-пикселя, желтого суб-пикселя и голубого суб-пикселя, с учетом увеличения уровня градации входного ...

МОДУЛЬ ГЕНЕРИРОВАНИЯ ГАММА-НАПРЯЖЕНИЯ И ЖИДКОКРИСТАЛЛИЧЕСКАЯ ПАНЕЛЬ

СПОСОБ И СИСТЕМА ОТОБРАЖЕНИЯ ИЗОБРАЖЕНИЯ

СПОСОБ ПРОГНОЗИРОВАНИЯ СРОКА СЛУЖБЫ, МАШИНОЧИТАЕМЫЙ НОСИТЕЛЬ ДАННЫХ, ВКЛЮЧАЮЩИЙ ПРОГРАММУ ПРОГНОЗИРОВАНИЯ СРОКА СЛУЖБЫ, И УСТРОЙСТВО ДЛЯ ПРОГНОЗИРОВАНИЯ СРОКА СЛУЖБЫ

СПОСОБ УСТАНОВКИ ЗНАЧЕНИЙ УРОВНЯ СЕРОГО ДЛЯ ЖИДКОКРИСТАЛЛИЧЕСКОЙ ПАНЕЛИ И ЖИДКОКРИСТАЛЛИЧЕСКОГО ДИСПЛЕЯ

ЖИДКОКРИСТАЛЛИЧЕСКИЙ СПОСОБ И УСТРОЙСТВО ОТОБРАЖЕНИЯ

СПОСОБ ОТОБРАЖЕНИЯ СТЕРЕОСКОПИЧЕСКОГО ВИДЕОИЗОБРАЖЕНИЯ И УСТРОЙСТВО ОТОБРАЖЕНИЯ СТЕРЕОСКОПИЧЕСКОГО ВИДЕОИЗОБРАЖЕНИЯ

... 1. Способ отображения стереоскопического видеоизображения, в котором отображают правое изображение и левое изображение, оба из которых обеспечивают параллакс, позволяющий наблюдателю визуально распознавать стереоскопическое видеоизображение, на поверхности отображения изображения таким образом, что переключение между правым изображением и левым изображением выполняют один раз в каждом наборе кадров, и что яркость, обеспеченная целевым пикселем, который принадлежит области параллакса, которая образует параллакс между правым изображением и левым изображением, совершает переход между первой яркостью отображения для отображения объекта, подлежащего стереоскопическому отображению, и второй яркостью отображения для отображения фонового изображения, причемпроцесс выделения перехода серой шкалы осуществляют в каждом из кадров, составляющих набор кадров, ипроцесс выделения перехода серой шкалы осуществляют таким образом, что средняя яркость целевого пикселя в течение периода визуального распознавания ...

СПОСОБ И АППАРАТ УПРАВЛЕНИЯ ОТОБРАЖЕНИЕМ, ЭЛЕКТРОННОЕ УСТРОЙСТВО

ЖИДКОКРИСТАЛЛИЧЕСКОЕ УСТРОЙСТВО ОТОБРАЖЕНИЯ

... 1. Жидкокристаллическое устройство, содержащее множество пикселов, включающих в себя первые и вторые пикселы, которые располагаются смежно друг с другом,в котором каждый упомянутый пиксел включает в себя множество подпикселов, включающих в себя первые, вторые и третьи подпикселы, ив котором, если входной сигнал указывает на то, что каждый из первых и вторых пикселов должен воспроизводить конкретный хроматический цвет, включается не только третий подпиксел из, по меньшей мере, одного из первых и вторых пикселов, но также и, по меньшей мере, один из соответствующих первых и вторых подпикселов первых и вторых пикселов, ив котором, если средний уровень яркости соответствующих третьих подпикселов первых и вторых пикселов в одной ситуации, когда входной сигнал указывает на то, что каждый из первых и вторых пикселов должен воспроизводить хроматический цвет, является, по существу, равным уровню яркости соответствующих третьих подпикселов первых и вторых пикселов в другой ситуации, когда входной ...

СИСТЕМА АВИОНИКИ С ТРЕМЯ ЭКРАНАМИ ОТОБРАЖЕНИЯ ДЛЯ ЛЕТАТЕЛЬНОГО АППАРАТА

... 1. Система защищенной авионики для летательного аппарата, отличающаяся тем, что содержит точно три устройства (DU1, DU2, DU3) отображения и, по меньшей мере, три компьютера (CGG1, CGG2, CGG3, CGG4) генерации графики, подключенных к устройствам отображения,при этом каждый компьютер генерации графики содержитсредство (GG) генерации изображения для генерирования, по меньшей мере, двух полуизображений,средство (I/O) соединения, соединяющее упомянутый компьютер с, по меньшей мере, первым устройством отображения и со вторым устройством отображения,при этом каждое устройство отображения содержитсредство (I/O) соединения, соединяющее упомянутое устройство отображения с, по меньшей мере, первым компьютером генерации графики и со вторым компьютером генерации графики,два одинаковых и независимых электронных узла адресации, причем каждый узел используется для отображения полуизображения на одной половине экрана отображения устройства отображения, причем два отображаемые полуизображения поступают от ...

СПОСОБ КОМПЕНСАЦИИ ИМПЕДАНСОВ ЛИНИЙ ДАННЫХ ЖИДКОКРИСТАЛЛИЧЕСКОГО ДИСПЛЕЯ

ТЕХНОЛОГИЧЕСКОЕ УСТРОЙСТВО С ЗАПУСКАЕМЫМ В СООТВЕТСТВИИ С УРОВНЕМ ОСВЕЩЕННОСТИ ДИСПЛЕЕМ

... 1. Полевое устройство, отличающееся тем, что содержит:преобразователь для управления или мониторинга переменной процесса;фотодетектор для определения уровня освещенности;дисплей для отображения информации, относящейся к переменной процесса; иконтроллер дисплея, допускающий включение и выключение дисплея в ответ на изменение уровня освещенности, определяемого фотодетектором.2. Полевое устройство по п. 1, отличающееся тем, что дополнительно содержит процессор и беспроводной приемопередатчик для передачи радиочастотных сигналов на преобразователь или от него.3. Полевое устройство по п. 1, отличающееся тем, что дополнительно содержит таймер, и при этом контроллер дисплея выключает дисплей через установленный промежуток времени после включения дисплея.4. Полевое устройство по п. 1, отличающееся тем, что изменение уровня освещенности является повышением, так что контроллер дисплея включает или выключает дисплей, когда фотодетектор освещен или раскрыт.5. Полевое устройство по п. 1, отличающееся ...

УСТРОЙСТВО ИНДИКАЦИИ, В ЧАСТНОСТИ, ДЛЯ ВАРОЧНЫХ ПОВЕРХНОСТЕЙ

... 1. Устройство индикации, в частности, для варочных поверхностей, включающее в себя стеклокерамическое тело, в частности стеклокерамическую панель, которое образует переднюю сторону и заднюю сторону стеклокерамики, и средство подсветки, расположенное в области задней стороны стеклокерамики,отличающееся тем,что между передней стороной стеклокерамики и средством подсветки расположен оптический компенсационный фильтр.2. Устройство индикации по п. 1, отличающееся тем,что среднее пропускание стеклокерамического тела составляет >0,2% соответственно для каждого из спектральных диапазонов 420-500 нм, 500-620 нм и 550-640 нм.3. Устройство индикации по п. 2, отличающееся тем,что среднее пропускание стеклокерамического тела составляет >0,4% соответственно для каждого из спектральных диапазонов 420-500 нм, 500-620 нм и 550-640 нм.4. Устройство индикации по любому из пп. 1-3, отличающееся тем, чтомаксимальное пропускание стеклокерамического тела составляет <40%, предпочтительно <25% в спектральном диапазоне ...

Flüssigkristallanzeigevorrichtung und Rahmenraten-Steuerverfahren derselben

Eine Flüssigkristallanzeigevorrichtung umfasst eine Rahmenraten-Steuer(frame rate control, FRC)-Vorrichtung, die einen FRC-Kompensationswert zu digitalen Videodaten unter Verwendung mehrerer FRC-Muster, die Unterpixel definieren, in die der FRC-Kompensationswert geschrieben wird, hinzufügt, und eine Datentreiberschaltung (110), die die digitalen Videodaten, die von der FRC-Vorrichtung empfangen werden, in eine Datenspannung wandelt und eine Polarität der Datenspannung basierend auf einem vorab bestimmten Inversionsverfahren invertiert. Die FRC-Vorrichtung zählt Rahmenperioden und erhöht einen Rahmenzählwert jedes Mal, wenn sich die Rahmenperiode ändert. Die FRC-Vorrichtung wechselt zu einem nächsten FRC-Muster in einer vorbestimmten Reihenfolge als Antwort auf den Rahmenzählwert, und hält oder überspringt den Rahmenzählwert, wenn die Rahmenperiode eine vorbestimmte Zeit erreicht.

Anzeigesteuergerät und ein ein Anzeigesteuergerät enthaltendes Anzeigegerät

Fahrzeug vom Typ, bei dem man rittlings sitzt

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

Anzeigegerät

Flüssigkristall-Anzeigevorrichtung vom Projektionstyp

Verfahren zum Steuern einer Flüssigkristallanzeige

Matrix-Bildanzeigevorrichtung

Zweischirmanzeige und Anzeigeverfahren

Eine Zweischirmanzeige und ein Anzeigeverfahren. Die Zweischirmanzeige umfasst: eine Anzeigeeinheit (11), eine Steuereinheit (12) und steuerbare transparente Körper (14). Jede Anzeigeeinheit (11) umfasst mindestens drei Subpixel-Einheiten (13). Die steuerbaren transparenten Körper (14) sind auf einer oberen Fläche und einer unteren Fläche der Subpixel-Einheiten (13) verteilt. Die Steuereinheit (12) wird entsprechend einer Anweisung eines Benutzers zum Steuern eines Steuersignals verwendet, das an die steuerbaren transparenten Körper (14) angelegt wird, so dass die Transparenz der steuerbaren transparenten Körper (14) gesteuert wird. Die steuerbaren transparenten Körper (14) sind auf den beiden Flächen der Subpixel-Einheit (13) verteilt und ein Steuersignal wird entsprechend einer Anweisung des Benutzers angelegt, so dass die steuerbaren transparenten Körper (14) eine entsprechende Transparenz aufweisen, wodurch Licht der Subpixel-Einheit (13), das zu den beiden Flächen abgestrahlt wird, ...

Steuermethode für Anzeigen mit Mehrfach-Farbabstufung und Anzeige mit Mehrfach-Farbabstufung.

Treiberschaltung für matrixartige Displayeinrichtungen.

Rastersequentielles Anzeigesystem mit einer von der Rückseite beleuchtbaren Anordnung von Flüssigkristallbildelementen und Verfahren zur Bilderzeugung

Anzeigevorrichtung

Eine Anzeigevorrichtung zeigt unterschiedliche Inhalte auf jeweiligen Anzeigeabschnitten an. Die Anzeigeabschnitte enthalten beispielsweise Bilder, die auf einer Flüssigkristallanzeigeeinheit (30) angezeigt werden, und eine Anzeigeplatte (61). Die Anzeigevorrichtung enthält ein Dekorationselement (60), einen Aktuator (M2) und einen Steuerabschnitt (41). Das Dekorationselement (60) dekoriert einen der Anzeigeabschnitte. Der Aktuator (M2) bewegt das Dekorationselement (60). Der Steuerabschnitt (41) steuert den Aktuator (M2), um das Dekorationselement (60) an eine Position zu bewegen, bei der das Dekorationselement einen Anzeigeabschnitt, der aus mehreren Anzeigeabschnitten ausgewählt wird, dekoriert.

Bildanzeigevorrichtung, Steuerverfahren dafür und elektronisches Gerät

Beleuchtung mit hohem Wirkungsgrad

Eine elektronische Vorrichtung umfasst einen Prozessor, eine Lichtquelle und ein Steuergerät, das mit der Lichtquelle gekoppelt ist. Das Steuergerät umfasst eine Logik, um die Lichtquelle zwischen einem aktiven Zustand und einem inaktiven Zustand zu schalten mit einer Pulsdauer, die zwischen 30 Millisekunden und 100 Millisekunden misst und um einen zeitlichen Beginn des aktiven Zustands durch eine quasi-zufällige Zeit zu verjittern, die zwischen 0 und 30 Millisekunden bei einem Zyklus oder mehreren Zyklen misst. Andere Ausführungsformen können beschrieben werden.

Flüssigkristallanzeigevorrichtung, elektronische Vorrichtung, Anzeigesteuerverfahren, Anzeigesteuerprogramm und nichttransitorisches Aufzeichnungsmedium

Eine Aufgabe der vorliegenden Erfindung ist die Schaffung einer Flüssigkristallanzeigevorrichtung, in der eine Farbtonänderung in Abhängigkeit von einer Betrachtungsrichtung nicht auffällt, unter Verwendung eines Flüssigkristalls vom TN-Typ und einer Lichtquelle für die Hintergrundbeleuchtung, eines elektronischen Geräts, das die Flüssigkristallanzeigevorrichtung verwendet, eines Anzeigesteuerverfahrens, das in der Flüssigkristallanzeigevorrichtung verwendet wird, eines Anzeigesteuerprogramms und eines nichttransitorischen Aufzeichnungsmediums. In der Flüssigkristallanzeigevorrichtung gemäß einem Aspekt der vorliegenden Erfindung scheint der Farbton in einer Leuchtbetriebsart in Abhängigkeit von einer Betrachtungsrichtung in einem Abschirmgebiet geändert zu werden. Allerdings ist das Gebiet (Abschirmgebiet), in dem die Farbtonänderung verursacht wird, verkleinert, da ein Gebiet mit einer größeren Fläche eines Informationsanzeigegebiets und eines Hintergrundgebiets als ein Durchlassgebiet ...

Ansteuerschaltung für ein Matrixanzeigegerät mit Flüssigkristallen.

Anzeigevorrichtung

POTENTIALERZEUGUNGSVORRICHTUNG

FLACHSCHIRMADRESSIERUNGSVERFAHREN MIT BILDELEMENTVORLADUNG, STEUEREINRICHTUNG ZUR DURCHFÜHRUNG DES VERFAHRENS UND ANWENDUNG IN GROSSBILDSCHIRMEN

VERFAHREN ZUR ANZEIGE EINES BILDES AUF EINEM FARBDISPLAY

Aktivmatrix-Flüssigkristallanzeige

The invention relates to an active matrix liquid crystal display with liquid crystal cells arranged in lines and columns, which are located on a common reference potential on one side and gray-scale value signals can be switched on their other side. In order to enhance the voltage range within which the liquid crystal cells can be operated without altering image reproduction, a correction device (28) is provided which distorts the gray-scale value signals (20) reaching the liquid crystal cells (9) on the basis of information regarding the typical dependency between the optical transparency of the liquid crystal cells (9) and the voltage applied thereon and regarding the dependency of the difference in potential between the gray-scale value signals (2) and the reference potential (V0) in such a way that an at least an almost linear relationship between the optical transparency of the liquid crystal cells (9) and the undistorted gray-scale value signals (20') is obtained.

Anzeigevorrichtung

Eine Anzeigevorrichtung umfasst eine Anzeigeeinheit und eine Steuerung. Die Anzeigeeinheit zeigt darauf ein Bild an. Die Steuerung ist dazu in der Lage, wenn das Bild als bewegt angezeigt wird, die Anzeigeeinheit zur Ausführung einer bewegungsweisen Korrekturbearbeitung zu steuern, in der Pixel, die das zu bewegende Bild bilden, in Anzeigefarben angezeigt werden, die durch korrigierte R-, G- und B-Werte bestimmt sind, die durch Addieren von RGB-Korrekturwerten zu Farbkomponentenwerten erhalten werden, die als R-, G- und B-Werte bereitgestellt sind, die rote, grüne und blaue Farbkomponenten entsprechender Anzeigefarben entsprechender Pixel bezeichnen, die das Bild bilden, während das Bild angehalten wurde. Jeder der RGB-Korrekturwerte wurde vorab gemeinsam für die Farbkomponentenwerte einer entsprechenden Anzeigefarbe bestimmt.

Flüssigkristallanzeigevorrichtung

Head-Up-Anzeigevorrichtung und Anzeigeeinheit

Ein Paar von ersten Führungslichtern (111a, 111b) wird nebeneinander in Nachbarschaft zu einem HUD-Anzeigebereich (107) mit von ersten Lichtquellen (28a, 28b) emittiertem Licht angezeigt, und ein Paar von zweiten Führungslichtern (111c, 111d) wird außerhalb der entsprechenden ersten Führungslichter (111a, 111b) mit von zweiten Lichtquellen (28c, 28d) emittiertem Licht angezeigt. Die Anzahl, der Leuchtzyklus und die Leuchtreihenfolge der ersten Lichtquellen (28a, 28b) und der zweiten Lichtquellen (28c, 28d) werden in Übereinstimmung mit einem Differenzwert zwischen der aktuellen Geschwindigkeit (Vc) und einer für die Straße, auf der das Fahrzeug fährt, gesetzten Geschwindigkeitsbegrenzung (Vref) geändert.

Flüssigkristallanzeigegerät mit verbesserten Ansprechzeitcharakteristiken

TREIBERSCHALTUNG FÜR EINEN VERSCHLUSS MIT EINEM FERROELEKTRISCHEN FLÜSSIGKRISTALL

VERFAHREN UND VORRICHTUNG ZUR KONTRASTREGELUNG VON FLÜSSIGKRISTALLANZEIGEN BEI EMPFANG VON VIDEO MIT BREITEM DYNAMIK-BEREICH

Flüssigkristallanzeigevorrichtung und Verfahren zum Ansteuern derselben

Flüssigkristallanzeigevorrichtung, die aufweist: ein Flüssigkristallpaneel (102); eine Schaltplatine (112), die mit dem Flüssigkristallpaneel (102) durch eine Mehrzahl von Tape-Carrier-Packages (107A–107C) verbunden ist; einen Gatetreiber (104), so dass Gatesignale (Vg1–Vg5) an Gateleitungen (GL1–GL5) auf dem Flüssigkristallpaneel (102) angelegt werden; einen Datentreiber (106A–106C) auf der Mehrzahl von Tape-Carrier-Packages, so dass Datenspannungen an Datenleitungen auf dem Flüssigkristallpaneel (102) angelegt werden; und ein Teil-Steuerungsgerät (110), so dass der Gatetreiber (104) gesteuert wird, dass ein Teil der an die Gateleitungen (GL1–GL5) anzulegenden Gatesignale (Vg1–Vg5) abgefangen wird, wobei das Teil-Steuergerät (110) auf der Schaltplatine (112) montiert ist, wobei das Teil-Steuerungsgerät (110) einen vertikalen Fensterpuls (VWS), der einen Teil einer Zeitspanne eines vertikalen Synchronisationssignals umfasst, an den Gatetreiber (104) durch einen der Mehrzahl von Tape-Carrier-Packages ...

Verfahren zur Ansteuerung einer Einfachmatrix-Flüssigkristallanzeige

VERFAHREN UND EINRICHTUNG ZUM VISUELLEN MASKIEREN VON DEFEKTEN IN MATRIX-DISPLAYS ZUR VERWENDUNG VON EIGENSCHAFTEN DES MENSCHLICHEN SEHENS

Apparatus and method for driving liquid crystal display device

Image sensor and display

Apparatus for an aircraft cockpit display

Method for setting grayscale values of pixels when liquid crystal panel is imaging

Overvoltage protection circuit, LED backlight drive circuit and liquid crystal display

Organic light-emitting diode (oled) display panel and controlling method

MULTIPLEX ADDRESSING OF FERRO-ELECTRIC LIQUID CRYSTAL DISPLAYS

Display driver

METHOD OF DRIVING A LIQUID CRYSTAL OPTICAL APPARATUS.

Liquid crystal display device.

In a liquid crystal display device having a layer of liquid crystal and a plurality of electrodes to which a voltage has to be applied for the display, the amplitude of the voltage to be applied to the said plurality of electrodes is a function of the temperature of the said liquid crystal. The voltage to be applied to the electrodes is modified continuously by the use of a positive thermistor (32). As a variant, the voltage is modified in steps by the use of an electrical circuit.

Method for driving anti-ferroelectric liquid crystal display panel

A method for driving an anti-ferroelectric liquid crystal display (LCD) panel in which a plurality of parallel signal electrode lines are arranged over anti-ferroelectric liquid crystal cells (LCs) and a plurality of parallel scan electrode lines are arranged below the anti-ferroelectric LCs, perpendicular to the signal electrode lines is provided. The method includes the steps of selectively shifting LCs into a ferroelectric state, keeping the selected LCs in the ferroelectric state, activating the selected LCs, and restoring the activated LCs to an anti-ferroelectric state. In particular, a scan selection voltage is applied to a scan electrode lines to be scanned, and a display data signal is applied to all of the signal electrode lines, to selectively shift LCs into a ferroelectric state. Next, a holding voltage, which is lower than the scan selection voltage and has the same polarity, is applied to the scan electrode line for a predetermined period of time, to keep the selected LCs ...

Improving contrast of liquid crystal display

A method of driving a liquid crystal display in which the contrast can be selectively emphasized dependent upon the input data. The input data is converted into brightness components and chrominance components. The most-frequent brightness component is extracted from a histogram of the brightness components, and the histogram is divided into regions, which are rearranged in correspondence with the extracted most-frequent value. The brightness components of each region are then modified using a curve having a slope that is dependent upon the total number of brightness components in the particular region. Data in which the contrast ratio has been selectively emphasized is generated using the modulated brightness components and the chrominance components.

Gate in panel (GIP) liquid crystal display device.

A liquid crystal display device includes first and second substrates, 102, 104, having a display area, AA, and a non-display area, NA, and a liquid crystal layer, 160, a seal pattern, 220, in the NA , a driver in the NA on the first substrate, column spacers, 204, in the AA and a first auxiliary spacer, 202, between the driver and the second substrate. The driver may have a signal line, 125, and the first auxiliary spacer may extend between the signal line and the second substrate (Figure 6). The driver signal line and auxiliary spacer may alternatively located within the seal pattern (Figure 8), with the seal pattern including conductive ball spacers. A second auxiliary spacer may be included along a periphery of the AA (620, Figure 9) where the first and second auxiliary spacers are a honeycomb-like material.

Ambient light detection device

An ambient light detection device for use with a liquid crystal display having an array of liquid crystal cells, each liquid cell having at least one transistor for selectively connecting that liquid crystal cell to a signal line and each transistor having a gate connected to a gate line and having a gate supply line selectively connectable to the gate line for turning off the gates. The device includes a current measuring circuit configured to measure the current flowing in the gate supply line as a result of gate leakage current in the gates to which the gate supply line is connected and a controller connected to the measuring circuit and configured to calculate, from the measured current, the level of ambient light reaching the gates.

A display

DISPLAY SYSTEM

LIQUID CRYSTAL DISPLAY DEVICE

Control of liquid crystal display visual properties

Driving system for a liquid crystal display

Apparatus and method for driving liquid crystal display device

An apparatus and method for driving a liquid crystal display device are disclosed in which the response speed of the liquid crystal can be increased without using a digital memory. The driving apparatus includes a liquid crystal panel (102) with gate lines (GL) and data lines (DL) arranged perpendicularly to each other, a gate driver (106) that supplies a gate pulse to the gate lines (GL), and a data driver (104). The data driver (104) samples an input N-bit digital data signal to generate an analogue data voltage, generates a modulated data voltage for acceleration of a response speed of the liquid crystal according to an M-bit data value of the sampled digital data signal, mixes the modulated data voltage with the analogue data voltage, and supplies the mixed data voltage to the data lines (DL). The mixed data voltage is supplied during a first period of the gate pulse and the analogue data voltage is supplied during a second period of the gate pulse.

Controls for digital lighting

A digitally controlled lighting system where aspects have a central media server connected to remote media servers. The connection has separate networks for control versus media. Automatic synchronization of the contents of the media servers may be carried out.

Method for transition of a liquid crystal layer

A method for the transition of a liquid crystal display is provided. The liquid crystal display includes a liquid crystal panel including a first electrode, a second electrode and a vertical alignment liquid crystal layer between the first and second electrodes. The method includes performing a pre-driving step including applying a reference voltage on the first electrode and applying a driving voltage on the second electrode so as to form an electric field between the first and second electrodes, wherein the frequency of the driving voltage is a voltage level variation frequency. The liquid crystal layer is an optically compensated bire fringence (OCB) liquid crystal layer.

Liquid crystal display

A liquid crystal display (1, 28, 31) installed in a work vehicle comprises a luminance adjusting section (10) for manually adjusting the luminance of a backlight (6) of a liquid crystal panel (5), setting means (20, 30, 33) for setting the range of the luminance adjustable by the luminance adjusting section(10), and measuring means (21) for measuring the total operating time of the work vehicle. The setting means (20,30, 33) has a first storage section (22) for storing the luminance adjustable range for each predetermined operating time of the backlight (6), reads the luminance adjustable range corresponding to the substantial operating time which is the total operating time measured by the measuring means (21), and sets the read adjustable range as the luminance adjustable range adjustable by the luminance adjusting section (10). With this, the operator can arbitrarily adjust the luminance of the backlight, setting an excessively high luminance by the operator is prevented, and degradation ...

Driving circuit for a liquid crystal display

Display privacy image processing method with main image compression depending on off-axis luminance

Private display image processing method comprising receiving a main image and a side image and mapping the image pixel data to produce an average on-axis luminance dependent on the main image and an average off-axis luminance dependent on the side image, and compressing the main image depending on the main image pixel data and how the off-axis luminance varies with pixel data input to the mapping. The main image pixel data may be compressed in a non-linear fashion into a range of on-axis luminances to optimise a sum of weighted values. The compression may be an iterative process, with increasing main image degradation until the side image quality reaches a threshold. This method creates a high quality restricted-view display without image degradation and without the cost of hardware modifications.

LED boost converter and backlight LED driver device using the same

Display system and circuit therefor

Apparatus for maintaining average screen light level for ferroelectric liquid crystal display

Brightness control for backlighting device

An electronic apparatus with a backlit display (103) and an input device (102) allows reduced power consumption while maintaining sufficient brightness. A mode detecting section (20) detects the currently set operation mode. The brightness of the backlighting is controlled (30) depending on the currently set operation mode. When the operation mode is a data input mode, the brightness of the backlighting is reduced. The device may be for example, a mobile telephone, a digital clock including an LCD, a liquid crystal television set or a car navigation system. The mobile phone may have data input, display, communication status display, graphic and text modes. The device may be used for communication, mails, short messages, as a phone directory, scheduling or for games. The brightness may also be adjusted based upon the determined brightness level.

A shift register for an LCD driver, comprising reset-dominant RS flip-flops

A shift register is provided, for example, for use in scan and data line drivers (2, 3) for an active matrix liquid crystal display. The shift register comprises X stages (31-35), where X is an integer greater than 3. A clock signal generator (51) supplies Y-phase clock signals (CK1-CK3), where Y is greater than 2. Each of the stages (31-35) comprises a reset-over-set flip-flop circuit (such as 36, 41, 46). Each intermediate stage (32-34) receives a set signal from the immediately preceding stage output and a reset signal from one of the clock phases (CK1-CK3). In order to provide bi-directional operation, each intermediate stage (32-34) also receives set signals from the immediately succeeding stage output. The clock signal generator (51) supplies clock pulses in a first order for shift register operation in the forward direction and in the reverse order for shift register operation in the reverse direction.

Digital-to-analog converter and active matrix liquid crystal display

Drive device of liquid crystal display, drive method, and corresponding liquid crystal display

A drive device of a liquid crystal display comprises a signal generation module (15), for providing the voltage and a control signal, the control signal comprising 3D enable signal; a time sequence control module (24), coupled to the signal generation module and for receiving the 3D enable signal; a DC/DC conversion module (26), electrically coupled to the signal generation module, and for receiving the 3D enable signal and then generating a vertical synchronization signal, the vertical synchronization signal being used by a gate driver (12) to drive a pixel array (10). Also disclosed are a drive method of a liquid crystal display and a corresponding liquid crystal display. The circuit structure is simple in design, thereby saving the device cost.

Gamma voltage generating module and liquid crystal panel

Liquid crystal display device and driving method therefor

A liquid crystal display device, comprising: a four-colour converter (4), configured to convert original RGB data into grey values of the various colours, perform white balance processing on the grey values of the various colours, determine a maximum value and a minimum value within the grey values of the various colours having undergone white balance processing, generate two standard white chrominance values when the maximum value is not greater than a preset grey value, calculate secondary grey values of the various colours according to the two chrominance values, convert the minimum value into a white output grey value within RGBW data, and calculate a red output grey value, a green output grey value and a blue output grey value within the RGBW data according to the secondary grey values of the various colours and the white output grey value; a data driver (3), configured to process the RGBW data, so as to produce an analogue-type data signal; a scanning driver (2), configured to sequentially ...

Nand gate latch drive circuit and nand gate latch shift register

A NAND gate latch drive circuit and a NAND gate latch shift register. The NAND gate latch drive circuit comprises a plurality of cascaded shift register circuits (10), each shift register circuit comprising a clock control transmission circuit (11) and a NAND gate latch circuit (12). The clock control transmission circuit (11) is triggered by a first clock pulse of a clock signal to transmit a drive pulse of a previous level to the NAND gate latch circuit (12), latching is performed by the NAND gate latch circuit (12), and the NAND gate latch circuit (12) is further triggered by a subsequent second clock pulse of the first clock signal to output the drive pulse. The NAND gate latch drive circuit is suitable for a CMOS process, power consumption is low, and a noise margin is wide.

Method and apparatus for controlling the brightness of an LCD backlight

Liquid crystal anti-freeze method and liquid crystal module using the same

Active matrix displays and drive control methods

GOA drive circuit and drive method

The present invention provides a GOA drive circuit and a drive method, which are used for generating a grid pulse of a drive scanning line. The GOA drive circuit comprises: a GOA control unit, for generating a first control signal and a second control signal; a selector switch circuit, coupled between the GOA control unit and the scanning line and for outputting the grid pulse according to the first control signal and the second control signal, the grid pulse having a high level and a low level; and a filed effect tube, coupled to the selector switch circuit and for conducting the electricity in the high level phase, so that the grid pulse obliquely decreases from the high level to a predetermined level, and finally to the low level.

Methods of driving colour sequential displays

A method of driving a display uses first ( 4 ) and second ( 5 ) illumination cycles of the display. In each cycle, a first set of pixels ( 1′ ) is illuminated with a first color (R, G) and a second set of pixels ( 2′ ) is illuminated with a second color (G, B). The first and second colors of the two cycles together include at least three colors (R, G, B) for forming an image. This method provides a sequential drive scheme, in that at least two cycles are used with different color properties. However, each cycle uses at least two different colors, so that each cycle is not a single color across the whole display area. In this way, the color sequence is alternated spatially as well as temporally.

Display device and electronic device including the same

One embodiment of the present invention provides a highly reliably display device in which a high mobility is achieved in an oxide semiconductor. A first oxide component is formed over a base component. Crystal growth proceeds from a surface toward an inside of the first oxide component by a first heat treatment, so that a first oxide crystal component is formed in contact with at least part of the base component. A second oxide component is formed over the first oxide crystal component. Crystal growth is performed by a second heat treatment using the first oxide crystal component as a seed, so that a second oxide crystal component is formed. Thus, a stacked oxide material is formed. A transistor with a high mobility is formed using the stacked oxide material and a driver circuit is formed using the transistor.

Display device and method of operation thereof

A display device includes, in a display region, a first circuit including a photodiode ( 62 b ), a first capacitor ( 62 c ), a second capacitor ( 62 d ), and an output amplifier ( 62 a ). A cathode of the photodiode ( 62 b ), one end of the first capacitor ( 62 c ), one end of the second capacitor ( 62 d ), and an input of the output amplifier ( 62 a ) are connected with one another via a first node (netA). An electrode at the other end of the second capacitor ( 62 d ) is provided on a substrate having a display surface of a display panel, and an electrode at the one end of the second capacitor ( 62 d ) is positioned to be away from the display surface in a thickness direction of the display panel in such a manner as to face the electrode at the other end of the second capacitor ( 62 d ).

Stereoscopic image display apparatus and method

A stereoscopic image display apparatus and method which reduce crosstalk and select either high resolution images or bright images. The stereoscopic image display apparatus includes first and second image forming areas, each area including multiple contiguous horizontal rows. The areas are alternately disposed in a liquid crystal display, and display right and left eye images on the first and second image forming areas, respectively. The display displays the images in a fixed manner or replaces or overwrites the image areas every time a frame is switched, and displays a frame image in which the right and left eye images are simultaneously displayed. When the first and second image forming areas are alternately replaced, according to the frame switching timing, the backlight is controlled to turn on and phase difference states of right and left eye glasses of polarized eyeglasses are alternately replaced.

Display device

A display device with a simple structure is provided where the number of electrical lines connected to the active matrix substrate can be reduced even when the number of pixels in the display module is increased. A liquid crystal display device includes a superimposing circuit (superimposing module) that superimposes a lighting signal for a light-emitting diode (light source) on a drive signal for a data line drive circuit (drive circuit) and a scan line drive circuit (drive circuit) to generate a superimposed signal. On the active matrix substrate are provided a photosensor unit (light-electricity transducer) that receives light from the light-emitting diode and outputs an electrical signal corresponding to the received light, and a decoding circuit (decoding module) that decodes the electrical signal from the photosensor unit to the drive signal for the data line drive circuit and the scan line drive circuit.

Liquid crystal display device

A liquid crystal display device includes a substrate, a gate line, first and second data lines, a first power line, first, second, third and fourth switching elements, and first, second, third and fourth pixel electrodes. The first switching element is connected to the gate line and the first data line. The second switching element is connected to the gate line and the first power line. The third switching element is connected to the gate line and the second data line. The fourth switching element is connected to the gate line and the first power line. The first to fourth pixel electrodes are connected to the first to fourth switching elements, respectively. Thus, a light leakage may be prevented and an aperture ratio of a display substrate may be enhanced.

Display driver circuit and board module including same

In the case where input terminals of a display driver circuit are compatible with two or more types of interface specifications, an LSI chip, which is the display driver circuit, has some input terminals connected to parallel data lines and its output terminals connected to display lines, and these input terminals and output terminals are arranged along a long side located on the display portion side. In at least one example embodiment, the rest of the input terminals, which are intended for parallel interface, are arranged along a long side located on the FPC board side. With this configuration, the long sides of the LSI chip can be rendered shorter (than in the case where all input terminals are arranged in a row) without causing malfunction.

Display device with image capturing function

A display device with an image capturing function includes a power supply and a thin film transistor liquid crystal display (TFT-LCD) and a processing unit. The processing unit includes a capturing module and a control module. The capturing module is placed on a back side of the TFT-LCD, and captures images of an object on a front side of the TFT-LCD. The control module is used for controlling the power supply to switch the TFT-LCD between a light permeating state and a light semi-permeating state. The control module is further used for controlling a capturing rate of the capturing module to be at least an integer multiple of a switch rate of the TFT-LCD between the light permeating state and the light semi-permeating state.

Active matrix type display device and electronic device using the same

An active matrix display comprises pixels arranged in a matrix, signal lines, and scan lines orthogonal to the signal lines. Each pixel has a pixel electrode, a switch element connecting a corresponding signal line to the pixel electrode during a scan period, and a storage capacitor holding a signal voltage applied to the pixel electrode during the scan period. The storage capacitor connected between the pixel electrode and a capacity holding line corresponding to the pixel row. Every even number, above two, of the capacity storage lines are defined as a group. After all pixel rows corresponding to a group are scanned, the voltages of a half of the capacity storage lines in the group are switched from a first value to a second value, and the voltages of the other half of the capacity storage lines in the group are switched from the second value to the first value.

Three-dimensional display and driving method thereof

A three-dimensional (3D) display is disclosed. One aspect includes: a display unit including a plurality of pixels and a slit barrier selectively shielding light irradiated from the display unit. The display unit additionally includes a controller controlling the turn-on and turn-off of the slit barrier and generating a first back light compensation signal compensating the reduction of the luminance of the display unit when the slit barrier is turned off and a second back light compensation signal compensating the reduction of the luminance of the display when the slit barrier is turned on to compensate the luminance reduction by the slit barrier. According to at least one aspect of the 3D display using a slit barrier scheme, it is possible to minimize the deterioration of luminance by a slit barrier.

Dual-view display device and display method thereof

A dual-view display device and a display method thereof are disclosed. The dual-view display device includes a backlight module, an optical film, a liquid crystal display panel, and a main control unit. The backlight module includes a light guide plate, a left light source, and a right light source. The optical film is disposed in front of the backlight module. The liquid crystal display panel is disposed in front of the optical film. The main control unit is electrically coupled to the left light source, the right light source, and the liquid crystal display panel. The main control unit transmits an image data to the liquid crystal display panel and controls the left and right light sources according to the image data, so as to control the liquid crystal display panel adaptively to display an identical image, one view image, or dual-view images.

Display substrate and display apparatus having the same

A display substrate includes a base substrate including a display area and a peripheral area, a pixel disposed on the display area, wherein the pixel includes; a pixel transistor connected to a gate line and a data line which cross each other, and a pixel electrode connected to the pixel transistor and the pixel electrode, and a gate driving circuit disposed on the peripheral area, wherein the gate driving circuit outputs a gate signal to the gate line and comprises a plurality of stages, an n-th stage of the gate driving circuit including a plurality of circuit transistors and a boosting capacitor including a first capacitor and a second capacitor, the plurality of circuit transistors and the first capacitor being disposed on a first area and the second capacitor being disposed on a second area of the peripheral area positioned between the first area and the display area.

Semiconductor Device, and Display Device and Electronic Device Utilizing the Same

A semiconductor device having a normal function means is provided, in which the amplitude of an output signal is prevented from being decreased even when a digital circuit using transistors having one conductivity is employed. By turning OFF a diode-connected transistor 101, the gate terminal of a first transistor 102 is brought into a floating state. At this time, the first transistor 102 is ON and its gate-source voltage is stored in a capacitor. Then, when a potential at the source terminal of the first transistor 102 is increased, a potential at the gate terminal of the first transistor 102 is increased as well by bootstrap effect. As a result, the amplitude of an output signal is prevented from being decreased.

Display apparatus and method for driving display applying the same

A display apparatus and a method for driving display thereof are provided. The display apparatus drives an upper backlight unit and a lower backlight unit so that a first time period during which both the upper backlight unit and the lower backlight unit are simultaneously turned on exceeds half of a second time period during which the upper backlight unit is turned on. Accordingly, the display apparatus may increase a time period during which both the upper backlight unit and the lower backlight unit are simultaneously turned on.

Electro-optic device and stereoscopic vision display apparatus

An electro-optic device includes: an electro-optic panel displaying a display image with illumination light emitted from an illumination device; a display control circuit controlling the electro-optic panel to display a right-eye image during a right display period and display a left-eye image during a left display period; a glasses control circuit controlling a right-eye shutter of stereoscopic vision glasses so as to maintain an open state during the right display period, controlling a left-eye shutter of stereoscopic vision glasses so as to maintain an open state during the left display period, and controlling both the right-eye shutter and the left-eye shutter so as to maintain a close state during a blocking period; and an illumination control circuit controlling the illumination device to vary an intensity of the illumination light in a pulsed shape during the blocking period.

Display Apparatus, Liquid Crystal Display Apparatus, Drive Method For Display Apparatus, And Television Receiver

In at least one embodiment a ripple, generated in an electric potential of data signal lines even in long-term reversal driving, is reduced and display quality is improved. In at least one example embodiment, the liquid crystal display apparatus of the present invention includes scanning signal lines and data signal lines, in which one scanning pulse is outputted to select one scanning signal line, each of the data signal lines receives data signals whose polarities are reversed per one vertical scanning period while in one horizontal scanning period, one of two data signal lines receives a data signal having a polarity and the other of the two data signal lines receives another data signal having another polarity, the two data signal lines being arranged adjacent to each other, scanning pulses are successively outputted in sets of two, and at a timing in which two scanning pulses fall, two scanning pulses rise.

Optical shuttering device based on liquid crystals with attenuation of switching noises of said liquid crystals, corresponding viewing goggles and display device

An optical shuttering device is provided, which includes an optical cell with a liquid crystal material between first and second transparent substrates and controlled by an electronic switching circuit. The switching circuit includes a power supply module, providing a control voltage, and a switching element mounted in series between the power supply module and the cell, making it possible to switch the cell between an on state and an off state. The electronic switching circuit furthermore includes a current source mounted in series between the power supply module and the switching element. The substrates preferably have different thickness and material.

Low-cost large-screen wide-angle fast-response liquid crystal display apparatus

A super large wide-angle high-speed response liquid crystal display apparatus manufactured by using a photolithographic procedure for three times. The invention adopts a halftone exposure technology to form a gate electrode, a common electrode, a pixel electrode and a contact pad, and then uses the halftone exposure technology to form a silicon (Si) island and a contact hole, and a general exposure technology to form a source electrode, a drain electrode and an orientation control electrode. A passivation layer uses a masking deposition method. A film is formed by using a P-CVD method, or a protective area is formed at a local area by using an ink coating method or spray method, and a TFT array substrate used for the super large wide-angle high-speed response liquid crystal display apparatus manufactured by using a photolithographic procedure for three times can be produced.

Display device with touch detection function, drive circuit, driving method of display device with touch detection function, and electronic unit

A display device with a touch detection function includes a plurality of common drive electrodes arranged side by side to extend in one direction, a display element performing display, based on a pixel signal and a display drive signal, a touch detection element of electrostatic capacitance type detecting an external proximity object based on a touch detection drive signal with an amplitude larger than that of the display drive signal, and a scan drive section performing first scan drive and second scan drive, the first scan drive allowing the plurality of common drive electrodes to be sequentially supplied with the display drive signal in a time-divisional manner, and the second scan drive allowing the plurality of common drive electrodes to be sequentially supplied with the touch detection drive signal in a time-divisional manner.

Liquid crystal display device

When each of R, G, and B pixels continuously display identical gray scales (1023 gray scale) in a liquid crystal display device in which the thicknesses of the liquid crystal layers are of R pixel>G pixel>B pixel, the R pixel is alternately supplied with a positive signal potential (SHR1023) and a negative signal potential (SLR1023), the G pixel is alternately supplied with a positive signal potential (SHG1023) and a negative signal potential (SLG1023), and the B pixel is alternately supplied with a positive signal potential (SHB1023) and a negative signal potential (SLB1023). A first middle value (SMR1023) that between SHR1023 and SLR1023 is set higher than a second middle value (SMG1023) that is between SHG1023 and SLG1023, and second middle value (SMG1023) is set higher than a third middle value (SMB1023) that is between SHB1023 and SLB1023.

Display device

To suppress fluctuation in the threshold voltage of a transistor, to reduce the number of connections of a display panel and a driver IC, to achieve reduction in power consumption of a display device, and to achieve increase in size and high definition of the display device. A gate electrode of a transistor which easily deteriorates is connected to a wiring to which a high potential is supplied through a first switching transistor and a wiring to which a low potential is supplied through a second switching transistor; a clock signal is input to a gate electrode of the first switching transistor; and an inverted clock signal is input to a gate electrode of the second switching transistor. Thus, the high potential and the low potential are alternately applied to the gate electrode of the transistor which easily deteriorates.

Source driver having amplifiers integrated therein

A source driver includes at least one source driving unit and a voltage source generation circuit. The voltage source generation circuit is used for generating a first voltage provided for the at least one source driving unit. The voltage source generation circuit includes a first amplifier integrated in a source driving unit of the at least one source driving unit. The first voltage is provided to the at least one source driving unit.

Head-mounted display with biological state detection

Control of a head-mounted display includes providing a head-mounted display, the head-mounted display includes a switchable viewing area that is switched between a transparent viewing state and an information viewing state. The transparent viewing state is transparent with respect to the viewing area and enables a user of the head-mounted display to view the scene outside the head-mounted display in the user's line of sight. The information viewing state is opaque with respect to the viewing area and displays information in the switchable viewing area visible to a user of the head-mounted display. A user-state detector provides an external stimulus notification in response to a detected change in the biological state of the user and causes the viewing state to automatically switch in response to the external stimulus notification.

Buffer and display system utilizing the same

A buffer generating an output signal and including a pull-high module and a pull-low module is disclosed. The pull-high module makes the output signal to have a rising edge. The pull-low module makes the output signal to have a falling edge. The falling edge includes a plurality of falling portions. A slope of a first falling portion of the falling portions is different from a slope of a second falling portion of the falling portions.

Liquid crystal display system and pixel-charge delay circuit thereof

A liquid crystal display system for improving display color mismatch utilizes a pixel-charge delay circuit to generate a new latch-data signal for a source driver of the liquid crystal display system according to an output-enable signal and a latch-data signal generated by a timing control circuit of the liquid crystal display system. Therefore, when the source driver charges a pixel on an mth gate line, a switch corresponding to a pixel on an (m-1)th gate line is already completely turned off.

Method of driving a light source, light source apparatus for performing the method and display apparatus having the light source apparatus

A light source apparatus includes a plurality of light source parts, a power supply part, a current selection part and a current control part. The plurality of the light source parts are connected in parallel and the power supply part provides power to a first terminal of each of the light source parts. The current selection part selects the current level of one of the light source parts as a reference current level. The current control part adjusts the levels of the currents flowing through the light source parts to be substantially equal to the reference current level. Selection of the light source part that provides the reference current level is dynamically changed.

Display device

Provided is to secure a data-writing period to a source line and reduce the number of the IC chips used. N image data (e.g., three image data, RGB) are sequentially input to one input terminal. Three switches, three first memory elements, three transfer switches, three second memory elements, and three buffers are connected in parallel to the input terminal. The three switches are turned on respectively. RGB image data are held in the three respective first memory elements. In a selection period of a gate line of an (m−1)-th row, image data of an m-th row are written to the first memory elements. When the three transfer switches are turned on in a selection period of a gate line of an m-th row, the image data are transferred to and held in the second memory elements. Then, the image data are output to each source line through each buffer.

Electro-optical device and electronic apparatus

The electro-optical device includes a first electrode for inverting a polarity, a second electrode opposite to the first electrode, and liquid crystals interposed between these electrodes. Before a polarity inversion timing, the scanning line driver circuit simultaneously selects two or more scanning lines of the plural scanning lines, and the data line driver circuit outputs an offset potential with the polarity opposite to that of the potential of the first electrode thereafter, to a data line. On the other hand, after the polarity inversion timing, the scanning line driver circuit individually selects each of the plural scanning lines, and the data line driver circuit outputs the data potential corresponding to the potential polarity of the first electrode thereafter, to the data line.

Gate driver for use in a display panel

A gate driver capable of adjusting power consumption and output capability is proposed. The driving circuit includes a first metallic layer and a second metallic layer on the first metallic layer. The first metallic layer includes a first metallic region with U-shaped indents, a second metallic region, and metallic strips. Each metallic strip is inserted into a U-shaped indent, where a distance between one side of the U-shaped indent and one side of the metallic strip is shorter than that between a side of the metallic strip and a bottom of the U-shaped indent. The second metallic region is under the first metallic region. Etching the first metallic layer to adjust a length of the metallic strip, or etching the second metallic layer to adjust a width of the second metallic layer is proposed to adjust a length of the overlap of the second metallic layer and each metallic strip.

Active matrix substrate, liquid crystal panel, liquid crystal display device, and television receiver

Provided is an active matrix substrate for use in a liquid crystal display device in which two scan signal lines ( 16 i and 16 j ) are scanned simultaneously; pixel regions including two pixel electrodes each are arranged in the row and column directions when the column direction is the scanning direction; one scan signal line is provided for one pixel region row; and a shielding conductive body ( 41 p ) is disposed to cover the gap between two adjacent pixel electrodes ( 17 ib and 17 ja ), one of which is a pixel electrode included in a given pixel region ( 101 ) and the other is a pixel electrode included in a pixel region ( 102 ) adjacent to said given pixel region ( 101 ) on the downstream side of the scanning direction. By using the present active matrix substrate, the display quality of a liquid crystal display device in which two scan signal lines are selected simultaneously can be improved.

Touch detection function-attached display apparatus, driving method and driving circuit therefor, and electronic apparatus

Provided is a touch-detection-function-attached display apparatus including: common-driving electrodes disposed in parallel to extend in one direction; a display device performing display based on pixel and display-driving signals; a touch-detection device detecting an externally-approaching object based on a touch-detection-driving signal; and a scan-driving unit performing a first-scan driving for sequentially-applying the display-driving signal to the common-driving electrodes in a time-division manner and a second-scan driving for sequentially-applying the touch-detection-driving signal to the common-driving electrodes in a time-division manner at a scan speed different from the first-scan-driving and applying a DC potential to the common-driving electrode which is not selected as an object of the first and second scan driving, wherein the touch-detection-driving signal includes a DC portion sustained at the DC potential in a time interval where the pixel signal is applied to the display device and a pulse portion in a time interval other than the pixel-signal-application time interval.

Image display device and transmission signal control method to be used in same

An image display device and a transmission signal control method to be used in same and more particularly to the image display device and the transmission signal control method that can be suitably used when transmission wirings for data signal based on a video signal become complicated due to configurations of a large-sized and high-definition image display device.

Dynamic gamma control method for lcd

A dynamic gamma control method for an LCD is provided. The LCD displays a present frame by a plurality of gamma reference voltages and the present frame includes an R-pixel data sum, a G-pixel data sum and a B-pixel data sum which are obtained by respectively adding all R-pixel data, all G-pixel data and all B-pixel data of at least one pixel of the present frame. The method includes steps of: weighting the R-pixel data sum, the G-pixel data sum and the B-pixel data sum with a first, a second and a third parameters respectively and adding them up to obtain a gamma indication value, and choosing a suitable one from the plurality of gamma reference voltages to display the present frame thereby if the gamma indication value is equal to a gamma reference value formed by adding the first, the second and the third parameters up.

Offset cancel output circuit of source driver for driving liquid crystal display

An offset cancel output circuit of source drivers for driving liquid crystal displays which is capable of appropriately cancelling out an offset voltage from an output amplifier to thereby prevent degradation in display quality. The offset cancel output circuit includes an operational amplifier with a non-inverted input port to which a reference voltage is applied, and an input capacitor and an output capacitor with each one end thereof connected to an inverted input port of the operational amplifier. The offset cancel output circuit further includes a switching element circuit which has a first field effect transistor connected between the inverted input port and an output port of the operational amplifier and controlled to turn on during a reset operation. During the reset operation and the normal output operation, a first potential equal to the reference voltage is applied to the substrate of the first field effect transistor.

Display of brightened preview image

An image capture device includes an image sensor for capturing image data of a scene, and a display screen for displaying a preview of the captured image of the scene. Additionally, the image capture device includes a photovoltaic solar cell for outputting electrical energy responsive to environmental lighting conditions. A control section determines whether the image capture device is or is not currently being used in a bright environment. Responsive to a determination that the image capture device is currently being used in a bright environment, the control section increases brightness of the display screen, and switches electrical energy outputted from the photovoltaic cell for use by the display screen.

Driving circuit and operating method thereof

A driving circuit and an operating method thereof are disclosed. The driving circuit includes at least one first channel, at least one second channel, a selecting module, and at least one switching module. The selecting module is coupled to input ends of the first channel and the second channel. The at least one switching module is coupled to output ends of the at least one first channel and the at least one second channel. The selecting module and the switching module will perform corresponding switching actions to make the driving circuit selectively under a first operating mode or a second operating mode.

Source Driver, An Image Display Assembly And An Image Display Apparatus

An image display panel assembly includes a flexible printed circuit (FPC), an image display panel, a gate driver integrated circuit (IC) package, and a source driver IC package. The FPC is configured to receive gate and source driving signals. The image display panel is electrically connected to the FPC, and includes a gate driving signal transfer pattern along a first edge of the image display panel, a source driving signal transfer pattern along a second edge adjacent to the first end, and a plurality of pixels. The gate driver integrated circuit (IC) package is configured to receive the gate driving signal through the gate driving signal transfer pattern and provide the gate driving signal to the plurality of pixels. The source driver IC package is configured to receive the source driving signal through the source driving signal transfer pattern and provide the source driving signal to the plurality of pixels.

Level shifter circuit, scanning line driver and display device

An object of the present invention is to achieve a scanning line drive device which allows further reduction of circuit scale and production costs. A gate driver ( 100 ) of the present invention includes: a shift register circuit ( 1 ) including g latch circuits ( 21 ) to ( 2 g ); g selection circuits ( 8 ); and g level shifter circuits ( 3 ). A level shifter circuit ( 3 ) of an output drive circuit (st 1 ) receives a pulse ( 61 ) from a NAND circuit ( 6 ) of a selection circuit ( 8 ) at its input terminal (N 1 ); a pulse ( 71 ) from a NAND circuit ( 7 ) of the selection circuit ( 8 ) at its input terminal (N 2 ); and a pulse (Q 1 ) from a latch circuit ( 21 ) at its input terminal (N 3 ). The level shifter circuit ( 3 ) of the output drive circuit (st 1 ) outputs a voltage signal obtained by converting the voltage level of the pulse ( 61 ) from its output terminal (O 1 ); and a voltage signal obtained by converting the voltage level of the pulse ( 71 ) from its output terminal (O 2 ).

Display device and method for transferring image data

For providing a display device and a method for transferring an image data, shortening process time required to transfer image data without greater processing capacity, the CPU 4 outputs the bypass write signal to the GDC 6 , the CPU 4 then outputs the read signal to both the ROM 5 and the GDC 6 , and the ROM 5 outputs the image data to the data bus 8 according to input of the read signal, wherein the GDC 6 directly reads the image data outputted on the data bus 8 according to input of the read not through the CPU 4 and writes the read image data to the VRAM 7.

System, method, and computer program product for increasing an lcd display vertical blanking interval

A system, method, and computer program product are provided for enhancing a viewing experience when display content is viewed utilizing stereo glasses. In use, display content is received for being outputted utilizing a display. Further, a duration of a vertical blanking interval associated with the display content is increased for enhancing a viewing experience when the display content is viewed utilizing the stereo glasses.

High efficiency illumination

An electronic device comprises a processor, a light source, and a controller coupled to the light source. The controller comprises logic to cycle the light source between an active state and an inactivate state at with a pulse duration that measures between 30 milliseconds and 100 milliseconds and jitter a time onset of the active state by a quasi-random time that measures between 0 and 30 milliseconds for one or more cycles. Other embodiments may be described.

Display Array of Display Panel

A display array organization used in a display panel is provided. The display array includes a data line, a first scan line, a second scan line, a first pixel electrode, a second pixel electrode, a front-end switch and an intermediary switch. The first pixel electrode is connected to the data line with the front-end switch, and the second pixel electrode is connected to the first pixel electrode with the intermediary switch. The operation of the front-end switch and intermediary switch are controlled by the first and second scan line respectively. When only the front-end switch is activated, the first pixel electrode can receive the data signal from the data line. When both the front-end and intermediary switches are activated, the second pixel electrode can receive a data signal from the data line.

Scaling for a lcd based upon viewing angle

A method for image processing for a liquid crystal display comprising determining a dithered image and an interpolated based upon the image. The images are blended to form a blended image for displaying on the display.

Driving circuit and method for driving a display

In one aspect of the invention, a method for driving a display includes the steps of processing input image signals into pixel signals associated with the pixel matrix and grayscales of the display, generating a polarity control signal POL, and determining transmitting paths of the pixel signals according to the polarity control signal POL, and writing the pixel signals into the pixel matrix of the display along the determined transmitting paths.

Driving apparatus and display divice including the same

A liquid crystal display includes a plurality of driving apparatuses one-chipped by including a signal controller controlling a data driver in the data driver applying data voltage to the corresponding data line. Each of the plurality of driving apparatuses includes a first signal terminal and a second signal terminal. The first signal terminal outputs control data for controlling image display to an adjacent signal controller in a first direction for a first period and receives a mode detection signal for determining a final operation mode from the adjacent signal controller in the first direction for a second period after the first period. The second signal terminal outputs the mode detection signal to the adjacent signal controller in a second direction different from the first direction for the first period and receives the control data from the adjacent signal controller in the second direction for the second period.

3d image display device and driving method thereof

A method of driving a 3D image display device includes according to an embodiment receiving 3D data and separating a 3D input frame including the 3D data into a left-eye data frame and a right-eye data frame; doubling the left-eye data frame into the original left-eye data frame and a copied left-eye data frame and doubling the right-eye data frame into the original right-eye data frame and a copied right-eye data frame; and modulating the original left-eye data frame to a first modulated left-eye data frame based on the copied right-eye data frame arranged prior to the original left-eye data frame, modulating the copied left-eye data frame, and the copied right-eye data frame.

Liquid crystal display and local dimming control method thereof

A liquid crystal display and a local dimming control method thereof are discussed. The liquid crystal display includes a liquid crystal display panel selectively displaying a 2D image and a 3D image in response to a mode signal, a backlight unit including a plurality of light sources, a backlight driving circuit individually driving a plurality of previously determined blocks each including the light sources based on a dimming value of each block, and a local dimming control circuit, that calculates a pixel gain value based on a dimming value of each block in a first frame, applies the pixel gain value to a data compensation for a second frame, which is arranged later than the first frame, and varies a time point when the pixel gain value for the data compensation is applied in response to the mode signal.

Driving device for bistable electro-optic display and driving method therefor

A driving device and a driving method for a bistable electro-optic display are provided. The driving device includes an image processing unit, a display process module, and a scheduling module. The image processing unit receives a first update region of a display area to produce a first region update data. The display process module updates the display area according to the first region update data. During an update period for the first update region, the image processing unit can continue to receive at least one second update region, so as to produce a plurality of second region update data. After the first region is completely updated, the scheduling module controls the display process module to update the display area according to the second region update data, so as to shorten the time for updating the display area.

Backlight apparatus and liquid crystal display apparatus

A backlight apparatus is provided that enables a balance of brightness to be maintained over the entire area of a display screen and long life to be achieved. The surface of substrate 130 is opposite the rear surface of liquid crystal panel 110 . LEDs 140 are placed on the surface of substrate 130 . LED drive circuits 150 supply LEDs 140 with a current that causes LEDs 140 to emit light that illuminates liquid crystal panel 110 . LED drive circuits 150 supply a lower current to LEDs 140 placed in an area having a higher ambient temperature within the surface area of substrate 130.

Optical sensor and display apparatus

Provided are an optical sensor having a wider dynamic range with reduced temperature dependence, and a display apparatus in which these optical sensors are used. An optical sensor includes an accumulation node (INT); a reset signal line (RST); a readout signal line (RWS); a photodiode (D 1 ) (photodetecting element); a photodiode (D 2 ) (reference element) that has a light-shielding layer; a thin-film transistor (M 1 ) (first switching element) that outputs a potential of the accumulation node (INT) in response to the readout signal during a sensing period; and a thin-film transistor (M 2 ) (second switching element) that is provided between the accumulation node (INT) and the photodiode (D 2 ), and that electrically separates the accumulation node (INT) from the photodiode (D 2 ) when the potential of the accumulation node (INT) upon supply of the readout signal is higher than a potential on a side of the photodiode (D 2 ) opposite to the accumulation node (INT).

Shift Register, Display-Driving Circuit, Displaying Panel, And Displaying Device

Disclosed is a shift register for use in a display driving circuit that simultaneously selects signal lines, including, in a stage thereof: a flip-flop including an initialization terminal; and a signal generating circuit that receives a simultaneous selection signal and that generates an output signal of the stage by use of an output of the flip-flop, wherein: the output signal of the stage becomes active due to an activation of the simultaneous selection signal so as to be active during a period of the simultaneous selection; the output of the flip-flop is non-active while the initialization terminal, a set terminal, and a reset terminal of the flip-flop; and the initialization terminal of the flip-flop receives the simultaneous selection signal. This shift register makes it possible to downsize various drivers.

Display Driving Circuit, Display Device And Display Driving Method

A display driving circuit which carries out CC driving is configured such that a polarity of a data signal to be supplied to a source line is reversed every two horizontal scanning periods and a signal electric potential written from the source line to a pixel electrode changes in a different direction every two adjacent rows. In at least one example embodiment, this allows, in a display device which carries out CC driving, enhancement of a display quality by removing lateral stripes that are produced in a display video while n-line reversal driving is being carried out.

Low-cost large-screen wide-angle fast-response liquid crystal display apparatus

A method of fabricating MVA active matrix substrate, and said substrate constituting an active matrix display device, characterized in that: a photolithographic procedure is performed three times for the manufacture: forming a gate electrode, a pixel electrode, a common electrode and a contact pad in said pixel electrode, forming a separate thin film semiconductor layer component, and a contact hole,forming a source electrode, a drain electrode and an orientation control electrode such that after an ohmic contact layer of a channel portion of said thin film transistor is dry etched, a partial film of a passivation layer is formed by a silicon nitride film by using a mask deposition method is provided.

Display device and driving method thereof

It is an object of the present invention to provide a display device in which problems such as an increase of power consumption and increase of a load of when light is emitted are reduced by using a method for realizing pseudo impulsive driving by inserting an dark image, and a driving method thereof. A display device which displays a gray scale by dividing one frame period into a plurality of subframe periods, where one frame period is divided into at least a first subframe period and a second subframe period; and when luminance in the first subframe period to display the maximum gray scale is Lmax 1 and luminance in the second subframe period to display the maximum gray scale is Lmax 2 , (1/2) Lmax 2 <Lmax 1 <(9/10) Lmax 2 is satisfied in the one frame period, is provided.

Light source system for a color flat panel display

A system for operating a color flat panel display (FPD) is provided that includes a color FPD, a light source, and a display processing device. The color FPD has an adjustable color depth and is configured to reflect ambient light. The light source transmits light through the bottom surface of the color FPD. The display processing device is coupled to the color FPD and decreases the color depth of the color FPD when the light source is activated and increases the color depth of the color FPD when the light source is turned off.

Liquid crystal display device and potential setting method for the same

A liquid crystal display device includes source bus lines, gate bus lines intersecting with the source bus lines, pixels arranged in a matrix to correspond to intersections between the gate bus lines and the source bus lines, each of the pixels including a TFT, a pixel electrode, a common electrode, and a liquid crystal layer, and a potential control section for controlling the potential of the common electrode. The potential control section sets a voltage, obtained by reducing potential V cenf255 of the common electrode at which flicker is minimum in display of gray level as black display and gray level as white display alternately every pixel by a predetermined voltage, as center voltage V cen255 of the potential of the common electrode in display of gray level for all the pixels.

Liquid crystal display with integrated touch screen panel and driving method thereof

A liquid crystal display (LCD) with an integrated touch screen panel includes a plurality of pixels connected to a plurality of data lines and a plurality of gate lines, the gate lines being divided into a plurality of groups, a plurality of sensing electrodes, a plurality of common electrodes divided into a plurality of groups, a common electrode driver configured to simultaneously supply a driving signal to common electrodes within each group of the plurality of groups of the common electrodes, and to sequentially supply the driving signal to the plurality of groups of the common electrodes, and a gate driver configured to sequentially supply a gate signal to gate lines within each of the plurality of group of the gate lines.

Liquid crystal display

A liquid crystal display includes: a first substrate, a second substrate facing the first substrate, a liquid crystal layer interposed between the first substrate and the second substrate and including liquid crystal molecules, a gate line positioned on the first substrate, a data line positioned on the first substrate and crossing the gate line, a first thin film transistor and a second thin film transistor connected to the gate line and the data line, a third thin film transistor connected to the gate line and the second thin film transistor, a reference voltage line connected to the third thin film transistor, and a pixel electrode including a first subpixel electrode connected to the first thin film transistor and a second subpixel electrode connected to the second thin film transistor.

Liquid crystal display device and method for controlling display of liquid crystal display device

An embodiment of a liquid crystal display device includes: a liquid crystal panel including pixels arranged in a pixel; and a backlight that irradiates it with light. In at least one example embodiment, the pixels included in the liquid crystal panel each include picture elements different in color. The picture elements are each provided with a color filter corresponding to the color of the picture element. The liquid crystal display device includes: an aperture ratio converting section that, to reduce optical cross talk, decreases an aperture ratio for inputted image data and outputs data of the aperture ratio; and a backlight data converting section that, to supplement the aperture ratio for the image data which is decreased by the aperture ratio converting section, converts data to increase a backlight luminance. This backlight luminance control prevents or reduces optical or electrical cross talk.

Semiconductor circuit and display apparatus employing the same

Disclosed is a display apparatus including two scanning circuits of the same configuration and layout, arranged on either sides of the display part. As long as one of the scanning circuits is in operation, the other scanning circuit is in a state in which no output signal is output.

Liquid crystal display integrated touch screen panel

A display device includes a liquid crystal display with an integrated touch screen panel including a first substrate having a plurality of gate wires and a plurality of data wires and having a plurality of pixels. Each pixel includes a thin film transistor and a pixel electrode. The display device also includes a second substrate opposite to the first substrate, an insulating layer on the pixel electrode, a plurality of transparent electrodes arranged in a first direction on the insulating layer, a plurality of metal electrodes forming coupling parts attached to predetermined sides of the transparent electrodes and forming driving wires that receive driving signals, a plurality of sensing electrodes arranged on the second substrate in a second direction that intersects the first direction, and a liquid crystal layer between the first substrate and the second substrate.

Display apparatus and method

A display apparatus that may generate a high density light field image is provided. The display apparatus may identify an eye position of a user and set a virtual viewing window around the eye of the user. The display apparatus may generate a directional light corresponding to the viewing window and generate a high density light field image.

Method for Displaying Stereoscopic Image and Display Apparatus for Performing the Same

A method of displaying a stereoscopic image includes outputting a left-eye image to a first and a second display block of a display panel during an N-th frame. Light is provided to the first display block during a first period of the N-th frame and light is provided to the second display block during a second period of the N-th frame. A right-eye image is output to the first and second display blocks of the display panel during an M-th frame. Light is provided to the first display block during a first period of the M-th frame and light is provided light to the second display block during a second period of the M-th frame.

Display device and display method

A display device includes: a display unit including plural display sections divided in a first direction and performing line sequential scanning in the first direction; and an interpolation picture generation unit generating an interpolation picture in accordance with a timing at which each display section is scanned based on supplied frame pictures, wherein the display unit displays the interpolation picture corresponding to the display section in each display section.

Method for manufacturing liquid crystal display device

A liquid crystal display device ( 100 ) according to the present invention comprises the steps of: providing a liquid crystal display panel ( 200 ), which includes an active-matrix substrate, a counter substrate, and a vertical alignment liquid crystal layer interposed between the active-matrix substrate and the counter substrate; if an achromatic color should be represented, obtaining the chromaticity of the liquid crystal display panel ( 200 ) when viewed straight on with respect to each grayscale level and determining a range in which the chromaticity of the liquid crystal display panel ( 200 ) when viewed obliquely is adjustable by changing the luminances of respective blue subpixels belonging to the two pixels within their adjustable range; and setting the luminances of the blue subpixels so that the chromaticity of the liquid crystal display panel when viewed obliquely becomes as close to the chromaticity of the liquid crystal display panel when viewed straight on as possible within the adjustable range with respect to at least a part of the entire range of the grayscale levels.

Display apparatus and method of driving the same

A display apparatus includes a display panel including nxm array of pixels and which sequentially drives the pixels from pixels in a first row to pixels in an n-th row, a panel driving circuit which sequentially applies first, second, third or fourth image data to the display panel, a backlight unit including a first light source disposed adjacent to the pixels in the first row and a second light source disposed adjacent to the pixels in the n-th row, and a backlight control circuit which divides each of first and second time periods into first, second, third and fourth blinking time periods, and applies a control signal to the backlight unit, where the first time period corresponds to two frames during which the first and second image data are applied, and the second time period corresponds to two frames during which the third and fourth image data are applied.

Liquid Crystal Display and Driving Method Thereof

A liquid crystal display having: a liquid crystal display panel comprising a plurality of pixels; a data driver applying a data voltage to a plurality of data lines connected to the plurality of pixels; an initial voltage driver applying an initial voltage to the plurality of data lines before the data voltage is applied; and a boost driver applying a boost voltage to a plurality of boost lines connected to the plurality of pixels and boosting voltages of the plurality of pixels to which the data voltage is applied. Crosstalk caused by noise generated in a boost line can be reduced by coupling with a data line, and an ALS driving scheme can be applied to a liquid crystal display having high resolution.

Method for Compensating Data and Display Apparatus for Performing the Method

A method of compensating data uses a look-up table divided into a first area, a second area and a boundary area between the first and second areas defined by a first previous reference value, a second previous reference value greater than the first previous reference value, a first current reference value and a second current reference value less than the first current reference value. A compensation data of a current frame is generated based on to which one of the first, second and boundary areas grayscale data of previous and current frames belongs.

Backlight module driving system and driving method thereof

A backlight module driving system and a driving method thereof are applied to a Liquid Crystal Display (LCD). In the LCD, a timing controller obtains a three-dimensional (3D) image signal provided by a graphics processor, generates a Liquid Crystal (LC) driving control signal, and generates a corresponding light adjusting signal according to a data writing time and a Vertical Blanking Interval (VBI) time of the LC driving control signal. A backlight driver obtains and analyzes the light adjusting signal, so as to disable a backlight module during the data writing time, and enable the backlight module during the VBI time.

Display device and electronic device using the same

A display device where a memory circuit is installed into each pixel without generating flicker, including a plurality of pixels arranged in a matrix, wherein each pixel has a light-transmissive element controlling the amount of transmissive light in response to a voltage difference between a first electrode and a second electrode, a memory circuit storing the voltage level of the first electrode, and a controller. In the case where the first electrode has a positive voltage level with respect to the second electrode at a refreshing timing, the controller makes the memory circuit store the voltage level of the first electrode, applies a first predetermined voltage to the second electrode to increase the voltage level of the first electrode by the first predetermined voltage, and discharges the first electrode so that the first electrode has a negative voltage level with respect to the second electrode.

Liquid crystal display device circuit, liquid crystal display device board, and liquid crystal display device

A liquid crystal display device circuit disclosed includes: a first output transistor (Mo 1 n+1) having (i) a gate electrode connected to an (n+1)th gate bus line or a gate bus line subsequent to the (n+1)th gate bus line, (ii) a drain electrode connected to a first capacitor (Cb 1 n+1), and (iii) a source electrode connected to a first pixel electrode (PE 1 n); and a second output transistor (Mo 2 n−1) having (i) a gate electrode connected to an (n−1)th gate bus line or a gate bus line preceding the (n−1)th gate bus line, (ii) a drain electrode connected to a second end of the second capacitor (Cb 2 n−1), and (iii) a source electrode connected to a second pixel electrode (PE 2 n). This produces a liquid crystal display device circuit that can both reduce power consumption and have a good viewing angle characteristic regardless of whether the scan direction is a forward direction or a backward direction.

Drive device for liquid crystal display panel

A drive device for driving a liquid crystal display panel by column inversion driving, whereby power consumption is further reduced. In an output buffer 251 to apply a voltage to source wirings, in a prescribed period after initiation of driving at one frame, a bias circuit 262 gives a bias voltage to lower the driving ability of an amplifier 261 , whereby a first switch 263 becomes an open state and a second switch 264 becomes a closed state. Upon termination of the prescribed period, the first switch 263 becomes a closed state and the second switch 264 becomes an open state, whereby a source wiring is driven by a voltage signal from a D-A converter.

Method for driving cholesteric liquid crystal display device

A method for driving a cholesteric liquid crystal display device is disclosed. The cholesteric liquid crystal display device includes a plurality of pixels. The method includes steps below. In a first duration, a first square wave is provided for the pixels. The first square wave has an amplitude of a first value. In a second duration, a second square wave is provided for each one of the pixels according to a required gray level of each one of the pixels. The second square wave has an amplitude of a second value. The second value is different from the first value. The first square wave and the second square wave are continuously provided. The method for driving the cholesteric liquid crystal display device according to the present invention is capable of displaying a motion picture and decreasing driving voltages.

Liquid Crystal Display Device and Driving Method Thereof

An LCD device and a driving method thereof are disclosed. The LCD device includes a data driver, a detection unit, and a power mode control option generation unit. The data driver controls a consumption power of an output buffer which outputs an image data signal to a liquid crystal display panel. The detection unit detects a low power driving mode interval for driving the data driver at a first consumption power. The power mode control option generation unit transfers a second power mode control option to the data driver during an interval other than the low power driving mode interval, and transfers a first power mode control option to the data driver during the low power driving mode interval.

Display driving circuit and display device including the same

A display driving circuit includes a clock dividing unit and a data processing unit. The clock dividing unit receives a first clock signal, generates a second clock signal having a second clock frequency by dividing the first clock signal having a first clock frequency, and outputs the second clock signal. The data processing unit receive the first clock signal, the second clock signal, and input data with a first data frequency, separates input data into first data and second data, outputs the first data based on the second clock signal, and outputs the second data with a second data frequency based on the first clock signal.

Source line driving circuit, active matrix type display device and method for driving the same

If the frequency of a clock signal is increased, the pulse width of a sampling pulse is decreased, and the amount of time for a video signal to be written to a source line is inadequate. Sampling pulses (sam) rise sequentially in synchronization with the rise of a start pulse (SP). As the start pulse (SP) rises, synchronized with the rise of clock signals (CK, CKB), the sampling pulses (sam) fall off sequentially, delayed by half the period of the clock signals (CK, CKB) for every step. As a result, the sampling pulses (sam) with a pulse width longer than one period of the clock signals (CK, CKB) are generated. In a period T a , a desired video signal (VIDEO) is written to its corresponding source line. In this way, the time for half a period of the clock signal can be secured for writing to the source line.

Method of driving display panel and display apparatus for performing the same

A method of driving a display panel includes generating a gate on voltage, a first gate off voltage and a second gate off voltage. A clock signal is generated based upon the gate on voltage and the second gate off voltage. A first panel gate off voltage substantially the same as the first gate off voltage and a second panel gate off voltage substantially the same as the second gate off voltage are generated in a first operating mode. A first panel gate off voltage greater than the first gate off voltage and a second panel gate off voltage greater than the second gate off voltage are generated in a second operating mode. A gate signal is generated based upon the clock signal and the first and second panel gate off voltages to a gate line of the display panel.

Driver device, backlight unit and image display device

A backlight unit according to the present invention includes a plurality of LED drivers ( 5 a ) to ( 5 i ), an LED controller ( 61 ) that generates a control information group in which lighting control information for selected LED drivers is arranged and a cascade line that connects the LED drivers in cascade. The LED controller ( 61 ) enables the selected LED drivers ( 5 ), and feeds the control information group to the cascade line, and the enabled LED drivers ( 5 ) perform an operation (acquisition operation) of acquiring the lighting control information on itself among the control information group whereas the LED drivers ( 5 ) that are not enabled do not perform the acquisition operation. According to the present invention, it is possible to reduce the performance of unnecessary operations of the backlight unit. The present invention can be utilized in a liquid crystal display device that uses LEDs as a light source of backlight.

Gate drive circuit and display apparatus having the same

A gate drive circuit includes a shift register in which plural stages are cascade-connected to each other. In an n-th stage, a pull-up part outputs a high voltage of a clock signal to an output node as a high voltage of an n-th gate signal in response to a high voltage on a first node. A pull-down part pulls the high voltage of the n-th gate signal down to a first low voltage in response to an (n+1)th carry signal. A discharging part discharges the first node to a second low voltage level lower than the first low voltage level in response to the (n+1)th carry signal. A carry part outputs the high voltage of the clock signal as an n-th carry signal (mirroring the n-th gate signal) in response to a high voltage on the first node.

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

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

Stereoscopic image display

A stereoscopic image display is discussed. The stereoscopic image display includes a display panel including data lines, gate lines crossing the data lines, thin film transistors (TFTs) that are turned on in response to gate pulses from the gate lines, and a plurality of pixels, a data driving circuit that converts digital video data into a data voltage and supplies the data voltage to the data lines, a gate driving circuit sequentially supplying the gate pulses synchronized with the data voltage to the gate lines, and a timing controller that receives a timing signal, 2D image data, and 3D image data from an external host system, supplies the digital video data to the data driving circuit, and controls an operation timing of the data driving circuit and an operation timing of the gate driving circuit.

Semiconductor device and substrate

A semiconductor device of the invention include a rectangular semiconductor element mounted on a substrate formed with an external input terminal, an external output terminal, and a plurality of wiring patterns connected to each of the external input terminal and the external output terminal. The semiconductor element comprises, a plurality of first electrodes formed along a first edge of a surface thereof, a plurality of second electrodes formed along an edge opposite to the first edge of the surface, a plurality of third electrodes formed in the neighborhood of a functional block, and an internal wiring for connecting the first electrodes and the third electrodes. The substrate comprises, a first wiring pattern for connecting the external input terminal and the first electrodes, a second wiring pattern for connecting the external output terminal and the second electrodes, and a third wiring pattern for connecting the first electrodes and the third electrodes.

Device and method for tuning color temperature in digital display device

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

Display device

A display device includes an illuminance sensor for detecting an illuminance in a surrounding environment, an input average luminance detection circuit for detecting an average luminance of input images, a frame insertion control circuit for producing a gray image frame and inserting the produced gray image frame into between an input image frame and its subsequently input image frame input, and an insertion luminance level generation circuit for determining a luminance of the gray image frame according to the illuminance detected by the illuminance sensor and the average luminance of the input images detected by the input average luminance detection circuit.

Controlling a message display in an electronic device

A method of controlling a display of an electronic device for displaying a list of electronic messages. The method includes comparing a width of a designated space for a field of the electronic messages to a minimum width to determine if the width is sufficient, and if the width is determined to be sufficient, maintaining the width of the designated space, otherwise increasing the width of the designated space.

Pixel circuit and display device

A display device includes liquid crystal capacitor element interposed between a pixel electrode and a counter electrode. The pixel electrode, one terminals of a first switch circuit and a second switch circuit, and a first terminal of a second transistor form an internal node. The other terminals of the first switch circuit is connected to the source line. The other terminal of the second switch circuit is connected to the voltage supply line and is configured by a series circuit of transistors. A control terminal of the transistor, a second terminal of the transistor, and one terminal of a boost capacitor element form an output node. The other terminal of the boost capacitor element, the control terminal of the transistor, and the control terminal of the transistor are connected to a boost line, a reference line, and a selecting line, respectively.

Display device, control method of display device and electronic apparatus

A display device includes: a display unit in which pixels including memories are arranged; a memory unit holding data; and a control unit rewriting the contents held by memories concerning pixels belonging to a partial area of the display unit based on data held by the memory unit in accordance with instructions given from the outside.

Digital signage apparatus, recording medium, and method of adjusting display format

A digital signage apparatus capable of enhancing an advertising effectiveness by improving the attractiveness and the attention value is provided. A digital signage apparatus ( 1 ) includes an image display unit ( 11 ) capable of displaying an image; an image signal processor ( 16 ) that adjusts a display format of a display area in the image display unit ( 11 ); and a CPU ( 13 ) that controls the image signal processor ( 16 ). The CPU ( 13 ) selects a red or blue color depending on illumination of outside light in a vicinity of the image display unit ( 11 ) and illumination of the display area in the image display unit ( 11 ), and controls the image signal processor ( 16 ) such that the selected color is displayed on a color display area which is at least a part of the display area.

Display control apparatus and control method thereof

A display control apparatus includes a display control unit configured to display a predetermined object image on a display unit, and a light emission control unit configured to independently control light emission of a plurality of light emitting units corresponding to a plurality of division areas prepared by dividing the display unit, wherein, when a display area of the object image on the display unit is changed, the light emission control unit controls a plurality of division light emitting units other than the plurality of division light emitting units corresponding to the display area of the object image to emit light at a similar luminance to the luminance of the plurality of division light emitting units corresponding to the display area of the object image.

Displays with minimized crosstalk

Display ground plane structures may contain slits. Image pixel electrodes in the display may be arranged in rows and columns. Image pixels in the display may be controlled using gate lines that are associated with the rows and data lines that are associated with the columns. An electric field may be produced by each image pixel electrode that extends through a liquid crystal layer to an associated portion of the ground plane. The slits in the ground plane may have a slit width. Data lines may be located sufficiently below the ground plane and sufficiently out of alignment with the slits to minimize crosstalk from parasitic electric fields. A three-column inversion scheme may be used when driving data line signals into the display, so that pairs of pixels that straddle the slits are each driven with a common polarity. Gate line scanning patterns may be used that enhance display uniformity.

Display device and method of testing the same

A display device and a method of testing the display device. The display device includes a substrate including both a display region on which pixel cells are located and a peripheral region; test pads, main pins connected to the pixel cells, and dummy pins that are respectively connected to the test pads, the test pads, the main pins, and the dummy pins being on the peripheral region of the substrate, and visual test lines on the peripheral region of the substrate. The visual test lines include a first portion connected to the main pins and a second portion connected to the test pads, and the first and second portions are disconnected from each other.

Gate driver, driving circuit, and lcd

There is disclosed a gate driver, a driving circuit, and a liquid crystal display (LCD), wherein the gate driver comprises input terminals for inputting a CPV signal, an OE signal, and an STV signal, and output terminals for outputting a CKV signal and a CKVB signal, and a processing circuit is connected between the input terminals and the output terminals for processing the CPV signal, the OE signal, and the STV signal such that a preset time interval is present between the falling edge of the CKV signal and the rising edge of the CKVB signal during one period of the CKV signal, or a preset time interval is present between the rising edge of the CKV signal and the falling edge of the CKVB signal during one period of the CKVB signal.

Display panel, pixel circuit and driving method of differential voltage driven device therein

A display panel, a pixel circuit and a driving method of a differential voltage driving device are disclosed. The driving method includes: respectively supplying an alternating common voltage in a first polarity and a first display data in a second polarity to two terminals of the differential voltage driven device in a first frame; disconnecting the differential voltage driven device from the alternating common voltage, thereby keeping one terminal of the differential voltage driving device at the first polarity of the alternating common voltage; converting the alternating common voltage to the second polarity in a second frame which is consecutive to the first frame; and respectively supplying the alternating common voltage in the second polarity and a second display data in the first polarity to the two terminals of the differential voltage driving device in the second frame, here the first polarity is inverse to the second polarity.

Apparatus and method for driving multi-stable display panel

An apparatus and a method for driving multi-stable display panel are provided. The method includes selecting a plurality of target scan lines from a plurality of scan lines of the multi-stable display panel; driving the target scan lines during a line-scanning period; and providing a first voltage level to other scan lines besides the target scan lines during the line-scanning period. Wherein, the line-scanning period includes a plurality of time slots. The target scan lines are respectively provided with a third voltage level during at least a corresponding time slot of the time slots, and are provided with the first voltage level during other time slots besides the corresponding time slot. A data line of the multi-stable display panel is correspondingly provided with a second voltage level or a fourth voltage level in the time slots.

Stereoscopic image display and method for driving the same

Embodiments of the invention relate to a stereoscopic image display and a method for driving the same. Stereoscopic image display includes a data display unit including a first scan transistor, an active black stripe unit including a second transistor and a third transistor, and a shift register sequentially supplying the gate pulse to each of (2n−1)th gate lines and (2n)th gate lines, where n is a natural number. The first scan transistor supplies a data voltage to a pixel electrode in response to a gate pulse of a (2n−1)th gate line, the second transistor supplies the data voltage to the pixel electrode in response to the gate pulse of the (2n−1)th gate line, and the third transistor supplies a low logic level voltage or a common voltage to the pixel electrode in response to a gate pulse of a (2n)th gate line.

Method of controlling backlight device and display apparatus using the same

In a display apparatus, a display panel is divided into dimming areas and a backlight device includes light source blocks providing light to the dimming areas. Average gray-scale values and maximum gray-scale values respectively corresponding to the dimming areas are generated based on image signals provided to the dimming areas. Whether the average gray-scale values and the maximum gray-scale values are respectively within first and second reference ranges are checked. One of at least two parameters is selected according to a checked result, and representative brightness values respectively corresponding to the dimming areas are determined using the selected parameter. Duty ratios of the light source blocks are controlled based on the representative brightness values. As a result, power consumption is reduced when applying a dimming device to the display apparatus.

Display panel

An exemplary display panel includes a plurality of monochrome pixels, a plurality of data lines and a plurality of control lines. Each monochrome pixel provides a specific color on the display panel. The data lines are electrically coupled to the monochrome pixels for providing the display data. The data lines includes a first data line electrically coupled to a part of the monochrome pixels, and the specific colors provided by the part of the monochrome pixels are of the same color. Besides, each of the control lines is electrically coupled to a part of the monochrome pixels for controlling the part of the monochrome pixels electrically coupled thereto whether to receive the display data from the data lines.

Driving method of liquid crystal display device

Input of image signals to part of a plurality of pixels included in a particular region of a pixel portion and supply of light to part of another plurality of pixels which is different from the part are performed concurrently. Therefore, it is not necessary to provide a period in which light is supplied to all of the plurality of pixels included in the region after the image signals are input thereto. In other words, it is possible to start input of the next image signals to all of the plurality of pixels included in the region just after the image signals are input thereto. Accordingly, it is possible to increase the input frequency of the image signals. As a result, it is possible to suppress deteriorations of display caused in the field-sequential liquid crystal display device.

Driver circuit

A driver circuit including a DA converting circuit that converts video data input from the outside to a grayscale voltage; an amplifying circuit that amplifies the grayscale voltage; and a switch circuit that selects the grayscale voltage output from the amplifying circuit and a predetermined voltage as a voltage that is output to the image line. When video data indicating a minimum grayscale, the switch circuit outputs the predetermined voltage to the image line, and when video data indicating a grayscale other than the minimum grayscale is input, the switch circuit outputs the grayscale voltage output from the amplifying circuit to the image line. The predetermined voltage allows a voltage of the pixel electrode and a voltage of the counter electrode after passage of the writing of the image voltage to be coincident with each other.

Display panel and operation method thereof

A display panel comprises a plurality of scan lines, a plurality of data lines and a plurality of display pixels. The scan lines are enabled for a corresponding scan period in sequence. Each of the display pixels is electrically coupled to a corresponding scan line and a corresponding data line respectively, and each of the display pixels is controlled by the corresponding scan line to determine whether receiving data provided from the corresponding data line. At least one of the display pixels is also used as a touch pixel. The scan period is divided into a touch period and a display period. A data line corresponding to the touch pixel provides touch-charging data to the touch pixel in the touch period, and provides image-displaying data to the touch pixel in the display period.