DLP projectors make use of DLP chip technology. DLP is an abbreviation for digital light processing.
The DLP® chip was invented by Dr. Larry Hornbeck of Texas Instruments in 1987.
It contains a rectangular array of up to 2 million hinge-mounted microscopic mirrors. Each micro mirror measures less than one-fifth the width of a human hair.
When a DLP® chip is coordinated with a digital video or graphic signal, a light source and a projection lens, its mirrors can reflect a digital image onto a screen or other surface.
DLP projectors come in one chip and three chip varieties. The one chip model uses a color wheel to produce each of the three colors in quick succession and thereby relies on the slowness of the eye and brain to process visual information to produce a full color image. A three chip DLP model has a dedicated chip for each color (red, green blue).
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