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SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME

  • US 20110133230A1
  • Filed: 02/16/2011
  • Published: 06/09/2011
  • Est. Priority Date: 04/16/2007
  • Status: Active Grant
First Claim
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1. A semiconductor light emitting device, comprising:

  • a substrate including concave patterns in at least one of a first surface and a second surface of the substrate; and

    a light emitting structure on the first surface of the substrate and comprising a first conductive semiconductor layer, a second conductive semiconductor layer, an active layer between the first conductive semiconductor layer and second conductive semiconductor layer,wherein the concave patterns comprise a first concave pattern at a first area of the substrate and a second concave pattern at a second area of the substrate, andwherein the first concave pattern has a volume larger than a volume of the second concave pattern.

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