Patent ID: 6540359
Filing Date: 2003-04-01
Classification: G02B,G02F,G03B,H04N

Abstract:
An image projection system comprising an illumination system with a light source for supplying an illumination beam, a modulation system with at least one reflecting image display panel for modulating this light beam in conformity with image information to be projected, the display panel having a layer of liquid crystalline material and having pixels with reflective portions, and a projection lens system for projecting said image information, a color-separating prism being arranged between the modulation system and the illumination system, and a polarizing beam splitter being arranged between the illumination system and the color-separating system, characterized in that the reflective display panel is a liquid crystalline display panel having pixels which can be switched between a transparent state and a diffusing state, and a &lgr;/4 plate is arranged between the reflective portions of the pixels of the display panel and the polarizing beam splitter.