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Sign illumination system

  • US 20040212998A1
  • Filed: 04/25/2003
  • Published: 10/28/2004
  • Est. Priority Date: 04/25/2003
  • Status: Active Grant
First Claim
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1. A radiation-emitting device comprising:

  • a side-emitting optoelectronic device having an upper surface;

    a heat sink in thermal conductivity with the side-emitting optoelectronic device;

    a reflector at least partially surrounding the side-emitting optoelectronic device, the reflector positioned and shaped to reflect the emitted light substantially in an output direction; and

    a non-transparent layer disposed adjacent the upper surface of the side-emitting optoelectronic device.

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