DLP
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Digital Light Processing (initialised DLP) is a technology used in projectors and high-definition televisions.
DLP was developed by Texas Instruments, which is also currently the only producer and licenser of this technology, using their Digital Micromirror Device.
DLP is based on microscopically small mirrors laid out in an array of pixels. The number of mirrors varies depending on desired resolution (for example 1024 x 768). These mirrors can be repositioned rapidly to reflect or not reflect light.
In a projector with a single DLP chip, colors are produced by routing the light from the lamp through the color wheel (which has the three primary colours: blue, red, and green) and then to the mirrors where it is reflected out through the optics. A 3-chip DLP projector uses a prism to split light from the lamp, and each primary colour of light is then routed to its own DLP chip, then recombined and routed out through the lens.
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