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Package for multiple light emitting diodes

  • US 9,554,457 B2
  • Filed: 03/31/2014
  • Issued: 01/24/2017
  • Est. Priority Date: 04/08/2009
  • Status: Active Grant
First Claim
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1. A lighting apparatus comprising:

  • a substrate having;

    a plurality of electrically insulating base layers;

    a plurality of top-side electrical contacts disposed on a top one of the electrically insulating base layers;

    a plurality of external electrical contacts disposed on an exterior surface of the substrate; and

    a plurality of electrical paths connecting the top-side electrical contacts to the external electrical contacts, wherein at least a portion of the plurality of electrical paths is disposed between the electrically insulating base layers; and

    a plurality of light-emitting diodes (LEDs) arranged on the top one of the electrically insulating base layers and electrically connected to the plurality of top-side electrical contacts, wherein the electrical paths in the substrate are arranged such that different subsets of the LEDs are connected in a plurality of independently addressable groups and wherein at least one of the independently addressable groups includes at least two of the LEDs.

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