Patent ID: 7635205

Claim:
An LED (light emitting diode) lamp comprising: an LED module comprising a circuit board and a plurality of LEDs electrically mounted on a top surface of the circuit board; a plurality of heat spreaders positioned on a bottom surface of the circuit board opposite to the top surface thereof; a heat pipe comprising an evaporating portion received among the heat spreaders and two condensing portions extending from two opposite ends of the evaporating portion to lateral sides of the heat spreaders; a plurality of heat sinks positioned beside the heat spreaders and engaged with the heat pipe; and a support portion positioned under the heat spreaders, the LED module and the heat spreaders being secured to the support portion; wherein the evaporating portion of the heat pipe extends through and thermally connects with the heat spreaders and the two condensing portions of the heat pipe thermally connect with the heat sinks; wherein the support portion comprises a box-shaped body, the box-shaped body comprises a bottom board and four lateral walls and defines an opening facing towards the heat spreaders; and wherein the support portion further comprises four columns extending inwardly from four corners of the four lateral walls thereof, each of the four columns defining a fixing hole corresponding to a hole defined in the plurality of heat spreaders.