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Method of combining dispersed light sources for projection display

  • US 7,537,347 B2
  • Filed: 11/29/2005
  • Issued: 05/26/2009
  • Est. Priority Date: 11/29/2005
  • Status: Active Grant
First Claim
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1. A method for combining light from a plurality of dispersed sources, said method comprising the steps of:

  • integrating the light emitted by each light source in the plurality of light sources in an elongated light source integrator having an input end and an output end;

    providing a convex lens at the output end of each light source integrator for collimating an emergent light beam;

    receiving the light collimated by the convex lenses at a first array integrator, wherein the light collimated by the convex lenses is always directed towards the first array integrator; and

    receiving the light passing through the first array integrator at a second array integrator.

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