Patent ID: 7891845
Filing Date: 2011-02-22
Classification: F21K,F21V,F21Y

Abstract:
1. An LED lamp comprising: a heat sink comprising a base and a plurality of fins extending from the base; and a plurality of LED module assemblies mounted on a top surface of the base of the heat sink and thermally connecting therewith, wherein each of the LED module assemblies comprises a fixing bracket fixed on the top surface of the base, an LED module mounted on a top surface of the fixing bracket and a heat pipe engaging with the fixing bracket, wherein the fixing bracket comprises a bottom plate attached on the top surface of the base, a top plate on which the LED module is attached and a connecting plate interconnecting the bottom plate with the top plate, and the heat pipe connecting the bottom plate with the top plate; wherein the heat pipe has a U-shaped configuration and comprises a pair of spaced heat-conducting portions and a connecting portion interconnecting the two heat-conducting portions; and wherein the bottom plate defines a first engaging groove for receiving one of the heat-conducting portions of the heat pipe and the top plate defines a second engaging groove for receiving another one of the heat-conducting portions of the heat pipe.