Patent ID: 6129437
Filing Date: 2000-10-10
Classification: G02B,H04N

Abstract:
An image display apparatus comprising:a light source;a collector mirror for collecting light from the light source to form a virtual secondary light source;a color filter for sequentially producing three primary colors of light;a condenser lens for transmitting a light beam transmitted through the color filter;a reflecting mirror for reflecting the light beam transmitted through the condenser lens;a reflection display which receives the light beam reflected from the reflecting mirror and produces on and off display states by varying tilt of a micromirror of a number of two-dimensionally arrayed pixels and thereby varying an angle of reflection of the light beam reflected therefrom; anda projection lens which receives the light beam reflected from a pixel of the reflection display in the on state and enlarges and projects the received light beam,wherein the reflecting mirror is constituted by a single concave mirror, and wherein the single concave mirror is arranged to be inclined with respect to an optical axis of an optical illumination module including the light source, the collector mirror and the condenser lens.