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Omnidirectional reflector

  • US 8,415,691 B2
  • Filed: 08/29/2008
  • Issued: 04/09/2013
  • Est. Priority Date: 08/18/2008
  • Status: Active Grant
First Claim
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1. A light-generating device comprising:

  • a substrate;

    a reflective layer over the substrate;

    a photonic crystal collimator layer different from the reflective layer disposed over the reflective layer, the photonic crystal collimator layer comprising a first homogenous material that extends through the photonic crystal collimator layer in a direction perpendicular to the substrate; and

    a light-emitting diode over the photonic crystal collimator layer, wherein the light-emitting diode is in direct physical contact with the photonic crystal collimator layer.

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