Light-emitting device and manufacturing method thereof

  • US 8,492,780 B2
  • Filed: 02/11/2010
  • Issued: 07/23/2013
  • Est. Priority Date: 02/11/2009
  • Status: Active Grant
First Claim
Patent Images

1. A light emitting device comprising:

  • a substrate, wherein the substrate comprises a first major surface, a second major surface, and a sidewall; and

    a light emitting stack layer formed on the first major surface of the substrate, comprising a first conductive-type semiconductor layer, an active layer and a second conductive-type semiconductor layer;

    wherein the sidewall of the substrate comprises a first area and a second area;

    wherein the morphology of the first area is substantially flat and the morphology of the second area is substantially textured.

View all claims

    Thank you for your feedback