What makes a TV rear projection?
A rear projection TV refers to a television that projects the video image from inside the television via lenses and mirrors. In the past, these TVs used cathode-ray tubes, resulting in a very heavy unit, especially for larger screen sizes. Today’s alternatives include digital light processing, LCDs, and liquid crystal on silicon. Digital light processing uses thousands of tiny mirrors to reflect the light. LCDs use liquid crystal displays and high intensity lamps. Both of these systems greatly reduce the size and weight as opposed to cathode-ray tubes. Liquid crystal on silicon is similar to liquid crystal displays except that is uses silicon that reflects the light and produces a sharper picture at larger screen sizes. The Screen The screen is made up of an inner and outer surface. The inner surface magnifies the picture and spreads the light around the entire screen to minimize the center being overly bright. The outer surface is a rough, lenticular surface that is carved onto the sc
