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Light emitting device incorporating a luminescent material

  • US 7,042,020 B2
  • Filed: 02/14/2003
  • Issued: 05/09/2006
  • Est. Priority Date: 02/14/2003
  • Status: Expired due to Term
First Claim
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1. A semiconductor based light emitting device comprising:

  • a light emitting diode that emits an exciting radiation;

    a porous matrix covering at least a portion of said light emitting diode, and a substance loaded into said porous matrix which emits a responsive radiation upon interaction with the exciting radiation emitted by said diode.

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