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ETCH REMOVAL OF CURRENT DISTRIBUTION LAYER FOR LED CURRENT CONFINEMENT

  • US 20150187740A1
  • Filed: 12/27/2013
  • Published: 07/02/2015
  • Est. Priority Date: 12/27/2013
  • Status: Active Grant
First Claim
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1. An LED device comprising:

  • an active layer between a first current spreading layer pillar and a second current spreading layer, wherein the first current spreading layer pillar is doped with a first dopant type and the second current spreading layer is doped with a second dopant type opposite the first dopant type;

    a first cladding layer between the first current spreading layer pillar and the active layer; and

    a second cladding layer between the second current spreading layer and the active layer;

    wherein the first current spreading layer pillar protrudes away from the first cladding layer and the first cladding layer is wider than the first current spreading layer pillar.

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