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HDTV.ru > Новости индустрии > Обновленная RGB LED технология в телевизорах Sony 2013 года
Обновленная RGB LED технология в телевизорах Sony 2013 года16.01.2013 |
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По свидетельству очевидцев, цвета на экранах новых телевизоров Sony выглядят ошеломляюще, в сравнении с обычными ЖК дисплеями. В новых телевизорах Sony используется технология квантовых точек – QD Vision, в которой реализованы разработки Массачусетского технологического института десятилетней давности. ЖК панели с системой подсветки на основе трехцветных светодиодов будут называться «Triluminos», они позволят устранить такой врожденный недостаток ЖК панелей, в сравнении с теми же дисплеями на электронно-лучевых трубках (ЭЛТ), как недостаточная чистота источников первичного (RGB) цвета. В ЖК телевизоре, каждый пиксель подсвечивается сзади белой подсветкой, а различные цвета создаются путем изменения количества света пропускаемого через красный, зеленый и синий фильтры. Они не очень избирательны, так например, красный фильтр может пропускать и кое-что из оранжевой части спектра. А смесь таких RGB цветов дает блеклые или неточные экранные цвета. Sony использует в системе подсветки наноразмерные частицы, называемые квантовыми точками, что значительно улучшает цветопередачу в новых высококлассных телевизорах Sony Bravia, расширяя цветовую палитру примерно на 50 процентов. Квантовые точки испускают только определенные, настраиваемые длины волн света. В результате через красный фильтр пройдет только красный цвет, через синий - синий, а через зеленый - зеленый. Первый вариант технологии квантовых точек Sony использовала значительно раньше в Bravia XBR8. Но вынуждена была отказаться от нее после 2009 года из-за дороговизны реализации. Вернуться назад |