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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.
The tube was mounted vertically in the bottom of the cabinet with the screen pointing downward towards a concave mirror which reflected the image upward toward an angled mirror at the top of the cabinet onto the 25 inch screen, The top of the tube mirror box had a Schmidt lens [e] to correct aberrations. Because the picture had to be magnified ...
The 2.1-inch (5.3 cm) Epson ET-10 [39] (Epson Elf) was the first color LCD pocket TV, released in 1984. [40] In 1988, a Sharp research team led by engineer T. Nagayasu demonstrated a 14-inch (36 cm) full-color LCD display, [ 34 ] [ 41 ] which convinced the electronics industry that LCD would eventually replace the CRT as the standard television ...
Their reflected-light television system included both small and large viewing screens. The small receiver had a 2-inch-wide by 2.5-inch-high screen (5 by 6 cm). The large receiver had a screen 24 inches wide by 30 inches high (60 by 75 cm). Both sets could reproduce reasonably accurate, monochromatic, moving images.
Screen sizes have increased since the introduction of plasma displays. The largest plasma video display in the world at the 2008 Consumer Electronics Show in Las Vegas, Nevada, was a 150-inch (380 cm) unit manufactured by Matsushita Electric Industrial (Panasonic) standing 6 ft (180 cm) tall by 11 ft (340 cm) wide. [36] [37]
[61] [62] The first wall-mountable LCD TV was introduced by Sharp Corporation in 1992. [63] Hitachi also improved the viewing angle dependence further by optimizing the shape of the electrodes (Super IPS). NEC and Hitachi became early manufacturers of active-matrix addressed LCDs based on the IPS technology. This is a milestone for implementing ...