Patent ID: 8104929
Filing Date: 2012-01-31
Classification: F21S,F21V,F21W,F21Y,Y02B

Abstract:
1. An outdoor lighting fixture using LEDs as a light source; the fixture comprising: (a) a decorative housing that includes a cast metal dome roof having an inner surface and an outer surface; and (b) a plurality of LED light engines, each light engine containing a plurality of LEDs on a circuit board mounted on a conductive metal substrate having a surface opposite the circuit board in conformal contact with a portion of the inner surface of the roof, wherein the roof provides increased heat sink mass and the outer surface of the roof provides a heat dissipative surface area outside of the housing, and (c) wherein two LED light engines are placed along the inside walls of the dome roof, with one engine located at an acute angle to a line through the housing