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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 ...
An LCD projector is a type of video projector for displaying video, images or computer data on a screen or other flat surface. It is a modern equivalent of the slide projector or overhead projector .
The projector uses a bright beam of light and a lens system to project the image to a much larger size. A front-projection television uses a projector that is separate from the screen and the projector is placed in front of the screen. The setup of a rear-projection television is in some ways similar to that of a traditional television.
In 2007 the image quality of LCD televisions surpassed the image quality of cathode-ray-tube-based (CRT) TVs. [66] In the fourth quarter of 2007, LCD televisions surpassed CRT TVs in worldwide sales for the first time. [67] LCD TVs were projected to account 50% of the 200 million TVs to be shipped globally in 2006, according to Displaybank. [68 ...
In October 2010, Toshiba unveiled the Toshiba Regza GL1 21" LED-backlit LCD TV glasses-free 3D prototype at CEATEC 2010. This system supports 3D capability without glasses (utilizing an integral imaging system of 9 parallax images with a vertical lenticular sheet). The retail product was released in December 2010. [137]
TCL's primary products are TVs, DVD players, air conditioners, mobile phones, home appliances, electric lighting, and digital media. They also sell robot vacuum cleaners. [37] It primarily sells its products under the following brand names: TCL for TVs and air conditioners in Africa, Asia, Australasia, Europe, North America, South America, and ...
Panasonic plasma TV of the last generation. 55 inch (140 cm). Middle class ST60 series (2013). A plasma display panel is a type of flat-panel display that uses small cells containing plasma: ionized gas that responds to electric fields.
Laser color television (laser TV), or laser color video display, is a type of television that utilizes two or more individually modulated optical (laser) rays of different colors to produce a combined spot that is scanned and projected across the image plane by a polygon-mirror system or less effectively by optoelectronic means to produce a color-television display.