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Diode having vertical structure and method of manufacturing the same

  • US 8,008,681 B2
  • Filed: 11/08/2010
  • Issued: 08/30/2011
  • Est. Priority Date: 10/26/2001
  • Status: Active Grant
First Claim
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1. A light emitting device comprising:

  • a first metal layer comprising Au;

    a first electrode on the first metal layer, the first electrode serving as a reflective layer;

    a GaN-based semiconductor structure having a first surface on the first electrode, the semiconductor structure comprising a first-type layer, an active layer on the first-type layer, and a second-type layer on the active layer;

    a second electrode on a second surface of the semiconductor structure, wherein the second surface is opposite the first surface; and

    a second metal layer comprising Au on the second electrode,wherein the first electrode and the second surface are configured such that the first electrode reflects light from the active layer back through the second surface, and wherein the first electrode and the second electrode are arranged on the opposite surfaces of the semiconductor structure, respectively, whereby enhancing brightness of the device.

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