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LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD THEREOF

  • US 20170352782A1
  • Filed: 08/25/2017
  • Published: 12/07/2017
  • Est. Priority Date: 10/22/2013
  • Status: Active Grant
First Claim
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1. A light-emitting device comprising:

  • a light-emitting stack having a light extraction surface, wherein the light extraction surface comprises a first region and a second region;

    a semiconductor layer under the light-emitting stack opposite to the light extraction surface,an electrode on the first region and contacting the light-emitting stack; and

    a void formed in the semiconductor layer;

    wherein, in a cross-sectional view, the second region covers the void.

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