DLP, short for Digital Light Processing, is powered by a single semiconductor called a digital micro-mirror device (DMD). This semiconductor, invented by Texas Instruments, contains almost 2 million tiny, hinged mirrors. Red, green and blue light is filtered and directed onto the DMD, which switches on and off up to 5,000 times per second. The various streams of light are reflected by the 2 million mirrors and onto a screen, which creates the image. Some high-end DLP devices use three DMDs, one for each stream of light. DLP offers a high-contrast, high-quality image that clearly beats traditional CRT and rivals LCD.

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