×

Light emitting diode and fabrication method thereof

DC
  • US 7,339,197 B2
  • Filed: 01/26/2005
  • Issued: 03/04/2008
  • Est. Priority Date: 09/14/2004
  • Status: Active Grant
First Claim
Patent Images

1. A light emitting diode, comprising:

  • a lead frame;

    a plurality of light emitting chips in the lead frame; and

    a molding unit in an optical path of the light emitting chips, wherein the molding unit comprises a periodic microstructure, and the periodic microstructure comprises conical protrusions, asymmetric pyramidal protrusions or round top pyramidal protrusions.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×