Patent ID: 6863401
Filing Date: 2005-03-08
Classification: G02B,G03B,H04N

Abstract:
1. An illumination system comprising: a white light source generating a light beam path along a light path; an illumination modulator on said light path, elements of said illumination modulator switched between a first and a second state; said illumination modulator elements in said first state directing light to the surface of a yellow dichroic mirror; said yellow dichroic mirror directing red and green light to a color splitter; said color splitter directing said red light from said yellow dichroic mirror to a dedicated red spatial light modulator; said color splitter directing said green light from said yellow dichroic mirror to a dedicated blue-green spatial light modulator; said illumination modulator elements in said second state directing light to the surface of a magenta dichroic mirror; said magenta dichroic mirror directing red plus blue light to said color splitter; said color splitter directing said red light from said magenta dichroic mirror to said dedicated red spatial modulator; and said color splitter directing said blue light from said magenta dichroic mirror to said dedicated blue-green spatial light modulator.