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3LCD is the name and brand of a major LCD projection color image generation technology used in modern digital projectors. 3LCD technology was developed and refined by Japanese imaging company Epson in the 1980s and was first licensed for use in projectors in 1988. In January 1989, Epson launched its first 3LCD projector, the VPJ-700.
Optoma's primary products are projectors and digital image processing equipment. [5] For a 2002 SIGUCCS conference, the scholar Mike Honeycutt wrote, "Optoma is not generally considered a first-tier vendor of data projectors but the features of their data projectors are comparable to better-known brands at a cheaper price."
The roots of Seiko Epson Corporation go back to a company called Daiwa Kogyo, Ltd. which was founded in May 1942 [5] by Hisao Yamazaki, a local clock shop owner and former employee of K. Hattori, in Suwa, Nagano.
Most projectors create an image by shining a light through a small transparent lens, but some newer types of projectors can project the image directly, by using lasers. A virtual retinal display, or retinal projector, is a projector that projects an image directly on the retina instead of using an external projection screen.
Model Release Availability Projector technology Logic Bolt V1.0 Prototype [1]: May 2008 USA 640x480 LCOS 10 Lumens Logic Bolt V1.0 [2] [3] [4] [5]: January 2009 USA ...
Early RPTVs were essentially CRT projectors with a mirror to project onto a built-in screen. They were heavy, weighing up to 500 pounds. [25] The first RPTVs to not use CRTs were launched in 2002, using DLP, LCD and LcOS technologies, requiring a UHP lamp. UHP lamps used in projectors and RPTVs require periodic replacement, as they dim with use.