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High-efficiency radiating device

  • US 20050110033A1
  • Filed: 10/15/2004
  • Published: 05/26/2005
  • Est. Priority Date: 07/28/1998
  • Status: Active Grant
First Claim
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1. A device for emitting radiation at a predetermined wavelength, the device comprising:

  • a light-emitting diode (LED) which generates the radiation; and

    at least one edge having a substantially random diffraction grating structure which is in radiative communication with the LED.

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