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LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD THEREOF

  • US 20190326469A1
  • Filed: 07/02/2019
  • Published: 10/24/2019
  • Est. Priority Date: 08/17/2018
  • Status: Active Grant
First Claim
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1. A manufacturing method of a light-emitting device comprising:

  • providing a substrate having a surface, the surface including a plurality of protruding parts and a plurality of recess parts relative to the protruding parts;

    forming an epitaxial blocking layer on the substrate, wherein the epitaxial blocking layer covers the recess parts and exposes the protruding parts; and

    forming a light-emitting epitaxial structure on the substrate with the protruding parts serving as a growth surface thereof.

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