Dlp Projection Tv. Digital light-processing projectors are based on Texas Instruments' Digital Micromirror Device, which is actually a chip manufactured using semiconductor-fabrication techniques.

Its method of operation sounds preposterous--thousands of microscopic mirrors flipping back and forth under microprocessor control--but is spectacularly effective.As with LCD sets, the light source is a user-replaceable, high-intensity lamp that will last for years in normal use.

In fact, DLP and LCD rear-projection TVs are very similar in nearly every aspect of their physical construction, sharing the light weight and shallow cabinet depth that are such a big part of their appeal. Screens range from 43 to 61 inches diagonal

Also like LCD sets, DLP projectors are not subject to burn-in, misconvergence, or declining brightness with age. Their handling of blacks and dark grays is superior, however--closer to the performance of CRTs.

A very small number of people occasionally notice a fleeting separation of colours ("rainbows") on moving objects when they move their heads or eyes quickly. But for the great majority this is not an issue.