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Flat screens also increase total image viewing angle [1] and have less geometric distortion in comparison to curved screens. [2] The FD Trinitron line featured key standard improvements over prior Trinitron designs including a finer pitch aperture grille , an electron gun with a greater focal length for corner focus, and an improved deflection ...
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.
This new tube and optical system offered several advantages over the previous system. The set cabinet was able to be smaller. Previously the screen was on top of a substantial piece of furniture but this new system allowed the screen to occupy a similar position as a direct view television's screen in a regular console sized cabinet.
Console televisions were originally accommodated in approximately rectangular radiogram style cabinets and included radio and record player facilities. However, from approximately the mid-1970s onwards, as radiograms decreased and Hi-fi equipment increased in popularity, console televisions became more cuboid in shape and contained most commonly television, and radio receiving features, and ...
Twelve inches (30 cm) tubes and TV sets were available, but the tubes were so long (deep) that they were mounted vertically and viewed via a mirror in the top of the TV set cabinet which was usually mounted under a hinged lid, reducing considerably the depth of the set but making it taller. [65]
A field-emission display (FED) is a flat panel display technology that uses large-area field electron emission sources to provide electrons that strike colored phosphor to produce a color image. In a general sense, an FED consists of a matrix of cathode-ray tubes , each tube producing a single sub-pixel, grouped in threes to form red-green-blue ...