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Compact, high efficiency, high power solid state light source using a single solid state light-emitting device

  • US 9,022,628 B2
  • Filed: 10/16/2008
  • Issued: 05/05/2015
  • Est. Priority Date: 03/26/2003
  • Status: Active Grant
First Claim
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1. An illumination device comprising:

  • a high-power solid state light-emitting device having a flat package, the flat package comprising a structural window material encasing a light-emitting element of the light-emitting device on exposed top and side surfaces of the light emitting element such that the structural window material is disposed adjacent to and in contact with a light-emitting surface of the light-emitting element and has a flat face opposite the light-emitting surface, wherein the flat face directly light couples to a light guide; and

    the light guide comprising a light-receiving end and a light-transmitting end, wherein the light-receiving end is in contact with proximate to the face of the structural window material;

    wherein the structural window material comprises a ground dome lens having a flat top surface.

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