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Color separation optical plate for use with LCD panels

  • US 6,104,446 A
  • Filed: 12/18/1996
  • Issued: 08/15/2000
  • Est. Priority Date: 12/18/1996
  • Status: Expired due to Fees
First Claim
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1. A color image projection system comprising, in named sequence, means to generate white light, a color separation plate, an LCD (Liquid Crystal Display) panel, a projection lens and a screen, characterized in that the color separation plate is an array of transmissive direct vision microprisms, each microprism comprising at least a first prism of one index of refraction and a second prism of a different index of refraction.

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