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Vertical LED with current guiding structure

  • US 7,759,670 B2
  • Filed: 06/10/2008
  • Issued: 07/20/2010
  • Est. Priority Date: 06/12/2007
  • Status: Expired due to Fees
First Claim
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1. A light-emitting diode (LED), comprising:

  • a metal substrate;

    an LED stack for emitting light disposed above the metal substrate, wherein the LED stack comprises a p-type semiconductor layer and an n-type semiconductor layer;

    an n-electrode disposed above the n-type semiconductor layer; and

    an electrically conductive material coupled between the metal substrate and the n-type semiconductor layer and forming a non-ohmic contact with the n-type semiconductor layer.

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