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Light emitting diode with embedded saw-tooth multilayer having a photonic crystal structure and process for fabricating the same

  • US 7,663,153 B2
  • Filed: 01/25/2008
  • Issued: 02/16/2010
  • Est. Priority Date: 11/07/2007
  • Status: Active Grant
First Claim
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1. A light emitting diode (LED), at least comprising:

  • a substrate;

    a first type semiconductor layer disposed on the substrate;

    an active emitting layer, disposed on the first type semiconductor layer;

    a second type semiconductor layer, disposed on the active emitting layer; and

    a saw-toothed multilayer, disposed below the first type semiconductor layer opposite the active emitting layer, wherein the saw-toothed multilayer is a photonic crystal.

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