Patent ID: 7628512
Filing Date: 2009-12-08
Classification: F21S,F21V,F21W,F21Y,H05B,H05K

Abstract:
1. A lighting fixture comprising: a housing having an interior cavity and an opening; a transparent cover attached to the housing and covering the opening; a heat sink including a first mounting portion and a second mounting portion, the first mounting portion being attached to the housing within the interior cavity, the second mounting portion having a first side and a second side opposite the first side; a first circuit board mounted to the first side of the second mounting portion; a lighting assembly including an LED light source, the LED light source including a plurality of LEDs mounted to the first circuit board; and a second circuit board mounted to the second side of the second mounting portion, the second circuit board including at least of portion of a control circuit, the control circuit being operatively connected to the LED light source for selectively providing power to each of the plurality of LEDs, the lighting fixture operating while the housing is submerged in water such that heat generated by the LEDs and the control circuit is conducted to the heat sink, the heat sink conducts the heat to the housing, and the housing conducts the heat to the water.