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Light-emitting diode with current-spreading region

  • US 8,823,049 B2
  • Filed: 03/11/2013
  • Issued: 09/02/2014
  • Est. Priority Date: 08/18/2008
  • Status: Active Grant
First Claim
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1. A light-emitting diode (LED) device comprising:

  • a substrate;

    an LED structure formed on the substrate, the LED structure including an upper layer and a lower layer with a light-emitting layer positioned between the upper layer and the lower layer; and

    a current blocking layer formed in the upper layer, wherein the current blocking layer comprises a region of resistive material comprising implanted impurities;

    wherein;

    the upper layer includes a first layer and a second layer;

    the current blocking layer is formed in the first layer; and

    the second layer and the light-emitting layer are disposed on opposite sides of the first layer.

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