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LED and LED lamp

  • US 7,497,596 B2
  • Filed: 12/30/2002
  • Issued: 03/03/2009
  • Est. Priority Date: 12/29/2001
  • Status: Expired due to Fees
First Claim
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1. An LED lamp including at least one LED, comprising:

  • a heat sink;

    at least one LED mechanically connected to the heat sink through screws or screw holes on or in a base bottom of the LED;

    a driving circuit including an electrical connector, to which outgoing leads of the LEDs are connected; and

    a transparent bulb housing mounted over the LED;

    wherein the LED includes at least one LED chip directly mounted on a base of high heat connectivity;

    wherein the LED chip is electrically connected to an applied power supply through a circuit board and the LED chip has a transparent medium layer disposed thereon;

    wherein a base top surface is a light reflective surface or a light reflective surface is disposed around the base;

    wherein the circuit board is disposed on the base; and

    wherein the base is a metal base and a screw mechanically connects the heat sink to a bottom surface of the metal base.

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