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LED lamps

DC CAFC
  • US 8,587,020 B2
  • Filed: 12/20/2011
  • Issued: 11/19/2013
  • Est. Priority Date: 11/19/1997
  • Status: Expired due to Fees
First Claim
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1. An LED lamp comprising:

  • a semiconductor structure comprising a lower semiconductor layer having a lower face, an active region, an upper semiconductor layer having an upper face, a left edge, and a right edge;

    a first terminal between the left edge and the right edge;

    a second terminal distant from the first terminal;

    a left track formed on a lower bottom surface lower than the upper face; and

    a right track beginning at a position near the right edge and extending toward the left edge.

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