Patent ID: 7959330
Filing Date: 2011-06-14
Classification: F21K,F21V,F21W,F21Y

Abstract:
1. A power LED lighting assembly comprising: an LED board carrying a plurality of power LEDs mounted thereon, the LED board having air openings in the form of cutout portions around an outer edge of the board for air intake and ventilation; a heat sink including a plurality of spaced apart fins that extend in a direction parallel to the LED board for release of heat and heated air to be generated from the LEDs; a heat sink enclosure accommodating the heat sink and the LED board, wherein the LED board is positioned on the fins and wherein the heat sink enclosure has air openings for air ventilation; a lens plate unit secured at a front side of the heat sink enclosure for focusing light emitted from the LEDs, the lens plate unit including a lens plate having a plurality of lenses each of which corresponding to each of the plurality of power LEDS respectively; and a micro fan for forced air circulation and ventilation within the heat sink enclosure having the heat sink and the LED board therein, wherein outside air is drawn into the interior of the heat sink enclosure for forced air ventilation and circulation, wherein air flows through the air openings in the enclosure as well as through the air openings in the LED board and the outtake of heated air flows between the fins prior to exiting through the fan.