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Increased efficiency LED

  • US 5,705,834 A
  • Filed: 04/23/1996
  • Issued: 01/06/1998
  • Est. Priority Date: 04/23/1996
  • Status: Expired due to Fees
First Claim
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1. A light emitting diode comprising:

  • two semiconductor regions forming a light producing diode junction;

    a light emitting end face;

    a first one of the two semiconductor regions forming an outer volume, surrounding a second of the two semiconductor regions;

    a base, opposed to the light emitting end face;

    a plurality of sides of the outer volume, the sides connecting the light emitting end face to the base;

    the sides further defining a reverse taper such that the cross sectional area of the light emitting diode is greater at the light emitting end face than at the base.

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  • 3 Assignments
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