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Leyard Optoelectronic (Chinese: 利亚德光电集团) is a publicly traded Beijing based electronics manufacturer, producing LED products including displays and lighting. Its main business segment is in screen displays of very large dimensions.
/ Leyard-Epistar Joint venture Sony produces and sells commercial MicroLED displays called CLEDIS (Crystal-LED Integrated Displays, also called Canvas-LED) in small quantities. [ 31 ] Samsung sells a luxury and commercial product called "The Wall", which consists of several microLED display modules tiled together, like in most video walls .
Planar Systems, Inc. is an American digital display manufacturing corporation with a facility in Hillsboro, Oregon.Founded in 1983 as a spin-off from Tektronix, it was the first U.S. manufacturer of electroluminescent (EL) digital displays.
A TCL Roku TV. Roku announced its first branded smart TV and it was released in late 2014. These TVs are manufactured by companies like TCL, LG, Westinghouse and Hisense, and use the Roku user interface as the "brain" of the TV. Roku TVs are updated just like the streaming devices. [77]
The 2011 UEFA Champions League Final match between Manchester United and Barcelona was broadcast live in 3D format in Gothenburg (Sweden), on an EKTA screen. It had a refresh rate of 100 Hz, a diagonal of 7.11 m (23 ft 3.92 in) and a display area of 6.192×3.483 m, and was listed in the Guinness Book of Records as the largest LED 3D TV.
LED-backlit displays use the same TFT LCD (thin-film-transistor liquid-crystal display) technologies as CCFL-backlit LCDs, but offer a variety of advantages over them. Televisions that use a combination of an LED backlight with an LCD panel are sometimes advertised as LED TVs, although they are not truly LED displays. [1] [2]
A widespread practical application is using quantum dot enhancement film (QDEF) layer to improve the LED backlighting in LCD TVs.Light from a blue LED backlight is converted by QDs to relatively pure red and green, so that this combination of blue, green and red light incurs less blue-green crosstalk and light absorption in the color filters after the LCD screen, thereby increasing useful ...
Roku has added a live, on-screen program guide to its free, ad-supported Roku Channel, enabling it to more closely emulate the experience of watching linear TV. In addition to the guide, Roku is ...
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