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Rear-projection television (RPTV) is a type of large-screen television display technology. Until approximately 2006, most of the relatively affordable consumer large screen TVs up to 100 in (250 cm) used rear-projection technology.
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.
Screen-door effects are more noticeable than LCD when up close, or on larger sizes. [53] New models are no longer produced. Colored sub-pixels may age at different rates, leading to a color shift, although some models will scan pixels to even out wear and prevent this shift. [54] Sensitive to UV light from direct sunlight.
As CRT technology improved during the 1950s, producing larger and larger screen sizes and later on, (more or less) rectangular tubes, the rear projection system was obsolete before the end of the decade. However, in the early to mid 2000s RPTV systems made a comeback as a cheaper alternative to contemporary LCD and Plasma TVs.
Another industry trend was the consolidation of plasma display manufacturers, with around 50 brands available but only five manufacturers. In the first quarter of 2008, a comparison of worldwide TV sales broke down to 22.1 million for direct-view CRT, 21.1 million for LCD, 2.8 million for plasma, and 0.1 million for rear projection. [33]
DLP technology is used in DLP front projectors (standalone projection units for classrooms and business primarily), DLP rear projection television sets, and digital signs. It was also used in about 85% of digital cinema projection as of around 2011, and in additive manufacturing as a light source in some printers to cure resins into solid 3D ...
In 2008, LCD TV shipments were up 33 percent year-on-year compared to 2007 to 105 million units. [10] In 2009, LCD TV shipments raised to 146 million units (69% from the total of 211 million TV shipments). [11] In 2010, LCD TV shipments reached 187.9 million units (from an estimated total of 247 million TV shipments). [12] [13]
Production in Singapore finally ended by the end of March 2008, only months after ending production of their rear-projection systems. [23] Two lines of the factory were later brought back online to supply the professional market. [citation needed] 280 million Trinitron tubes were built. At its peak, 20 million were made annually. [26]
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