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Method and structure for improved LED light output

  • US 7,095,052 B2
  • Filed: 10/22/2004
  • Issued: 08/22/2006
  • Est. Priority Date: 10/22/2004
  • Status: Active Grant
First Claim
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1. A light emitting diode structure comprising:

  • a substrate; and

    a plurality of layer structures formed on said substrate, each one of said plurality of layer structures comprising a tunnel junction and a quantum well active region surrounded by a pair of cladding layers, said plurality of layer structures arranged in a vertical stack with respect to said substrate such that a first one of said plurality of layer structures is closest to said substrate and a second one of said plurality of layer structures is furthest from said substrate.

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