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Directional backlights with light emitting element packages

  • US 9,551,825 B2
  • Filed: 11/11/2014
  • Issued: 01/24/2017
  • Est. Priority Date: 11/15/2013
  • Status: Active Grant
First Claim
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1. A light emitting diode package for a directional display apparatus comprising:

  • a body of packaging material;

    at least one light generation element arranged to generate light in an emission band;

    a protection diode, wherein the at least one light generation element is arranged in a first well in said body, and the protection diode is not arranged in the first well;

    at least two conductive heat slugs, the at least one light generation element being located on a first one of the heat slugs, the protection diode being located on a second one of the heat slugs, and the first and second heat slugs extending underneath the first well; and

    wire bonds connecting the at least one light generation element and the protection diode to the first and second heat slugs, the wire bonds that connect the at least one light generation element to the first and second heat slugs being located in the first well.

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