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For the most part, the majority of the fixed distance recommendations were issued before the end of 2007, when arguably HDTV displays were still in the early adoption phase. [12] [13] The concept of optimal viewing distance, [5] which is based on physics and physiology, has become essential with the advent of UHD (Ultra High Definition ...
At this distance, the individual pixels cannot be resolved while simultaneously maximizing the viewing area. For more TV resolutions, see "The optimal viewing distance". [3] [4] The TV image is composed of many lines of pixels. Ideally, the TV watcher sits far enough away from the screen that the individual lines merge into one solid image.
For example, the optimal viewing distance for a 42 inches (110 cm) Full HD TV (1080p) is 5.5 feet (170 cm). Lechner researched the typical distance between a viewer and their television screen by taking measurements in many American homes. The median distance compiled from all his data came out to 9 feet (2.7 m).
[1] [2] In the case of an RGB color display, the derived unit of pixel pitch is a measure of the size of a triad plus the distance between triads. Dot pitch may be measured in linear units (with smaller numbers meaning higher resolution), usually millimeters (mm), or as a rate, for example, dots per inch (with a larger number meaning higher ...
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.
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TV: Yes DLP front-projection Flat (limited only by brightness) TV or presentation Yes LCoS self-contained rear-projection Flat 110 [13] 279 TV: Yes LCoS front-projection Flat (limited only by brightness) TV or presentation Yes Laser self-contained rear projection Flat lenticular: 75 [14] 191 TV: Yes LED: Flat 279.92 [15] 711 Billboards, TV: Yes ...
A 140 cm (56 in) DLP rear-projection TV Large-screen television technology (colloquially big-screen TV) developed rapidly in the late 1990s and 2000s.Prior to the development of thin-screen technologies, rear-projection television was standard for larger displays, and jumbotron, a non-projection video display technology, was used at stadiums and concerts.