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Display illumination system

  • US 6,433,935 B2
  • Filed: 09/10/1999
  • Issued: 08/13/2002
  • Est. Priority Date: 07/02/1996
  • Status: Expired due to Term
First Claim
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1. A virtual image display system comprising:

  • a non-emissive, reflective microdisplay which forms a source object;

    an optical system which forms a magnified, virtual image of the source object from light reflected off the microdisplay;

    a light source system which produces light to illuminate the microdisplay; and

    an illumination system which forms at least two virtual light sources to illuminate the microdisplay.

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