Article: Digital Light Processing
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Digital Light Processing
In essence, DLP is a nanotechnology implementation of the old survival technique of using a mirror to signal for help -- its purpose is to shine a controlled series of light flashes on a target to send a message. The mirror in this case is part of an optical semiconductor called a digital micro mirror device, or DMD. The DMD chip contains not one but an entire array of up to 2.1 million microscopic mirrors, each just 16 micrometers square (less than one-fifth the size of a human hair) and 1 micrometer apart!
The DMD (Digital Micromirror Device) chip was invented in 1987 by TI scientist Larry Hornbeck, who had been exploring the manipulation of reflected light since 1977. In 1992, TI started a project to explore the DMD's commercial viability. A year later, it named the new t...
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