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Light-emitting diode for large current driving

  • US 7,075,114 B2
  • Filed: 09/10/2003
  • Issued: 07/11/2006
  • Est. Priority Date: 05/16/2003
  • Status: Active Grant
First Claim
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1. A light-emitting diode for large current driving, comprising:

  • a metal substrate provided with a distribution circuit formed on the surface thereof and electrically insulated therefrom;

    a through opening in the metal substrate;

    a metal base having a portion position in the through opening and being directly attached to and thereby in thermally contact with said metal substrate, and provided with an LED chip mounted thereon;

    a gold wire connecting said distribution circuit with said LED chip; and

    a plastic lens attached over a surface of said metal substrate on which a surface said LED chip is mounted, said lens covering part of said metal base including at least said gold wire.

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