Patent ID: 7497596
Filing Date: 2009-03-03
Classification: F21K,F21V,F21W,F21Y,G02B,H01L,Y10S

Abstract:
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.