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Semiconductor light emitting device and manufacturing method thereof

  • US 7,411,220 B2
  • Filed: 06/17/2005
  • Issued: 08/12/2008
  • Est. Priority Date: 06/18/2004
  • Status: Active Grant
First Claim
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1. A semiconductor light emitting device comprising:

  • a substrate having a surface; and

    a semiconductor layer disposed on at least a part of the surface of the substrate,wherein the semiconductor layer includes,a first conductive type semiconductor layer,a luminescent layer,a second conductive type semiconductor layer, anda first electrode and a second electrode each disposed so as to make contact with the first conductive type semiconductor layer and the second conductive type semiconductor layer, respectively, wherein the first conductive type semiconductor layer, the luminescent layer, and the second conductive type semiconductor layer are laminated in this order from the substrate,wherein the substrate is transparent so as to pass emission light from the luminescent layer,an end face of the semiconductor layer includes a first terrace provided in an end face of the first conductive type semiconductor layer and positioned in parallel with the surface of the substrate, and an inclined end face region provided nearer to the substrate than the first terrace, and the inclined end face region being inclined with respect to the surface of the substrate,the first electrode is disposed in the inclined end face region and is reflective, and the first electrode reflects light emitted from the luminescent layer to the substrate.

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