Patent ID: 6652105
Filing Date: 2003-11-25
Classification: G03B,H04N

Abstract:
An apparatus for projecting an image on a surface, comprising:a light source providing an illumination light bundle; a mirror including a first portion having a first optical property and at least a second portion having a second optical property different from the first optical property, the first and second portions being separated by a piecewise linear boundary, the mirror receiving the illumination light bundle at the first portion and propagating the illumination light bundle accordingly to the first optical property; a reflective display device receiving the illumination light bundle from the first portion of the mirror and reflecting an image-forming light bundle toward the second portion of the mirror, which propagates the image-forming light bundle according to the second optical property; and a projection lens receiving the image-forming light bundle from the second portion of the mirror and projecting the image forming light bundle toward the surface.