Patent ID: 6644813
Filing Date: 2003-11-11
Classification: G02B,H04N

Abstract:
A color management device for projection systems comprising first, second, third, and fourth prisms wherein:said first prism is disposed adjacent to said second prism; said second prism is disposed adjacent to said third prism; said third prism is disposed adjacent to said fourth prism; said first prism includes a first surface for inputting or outputting a beam of light; said second prism includes a first dichroic surface mounted at a first angle with respect to said first surface for reflecting light of a first color and for transmitting light of a second color and light of a third color, said first angle being approximately 11 degrees; and said third prism includes a second dichroic surface mounted at a second angle with respect to said first surface for reflecting light of said second color and for transmitting light of said third color.