LIGHT SOURCE SYSTEM FOR LCD PROJECTOR

摘要

A light source system for LCD projector includes three separate LED lamp plates（244，254，264） for emitting red, green and blue light. 45-90 LED lamps for emitting red, green and blue light are amounted on each LED lamp plate respectively according to different size of the LCD display. The power of each LED lamp can be chosen in the range of 1-3W according to different lightness requirement. The image signals of the three colors are reflected by the red and blue reflectors in the combining lens, pass through a zoom lens, and a large size colorful picture is projected on the screen.