Modular LED flood light

Details Modular LED flood light Modular LED flood light

2009-04-08

2011-11-22

Bruce, David V (Department: 2875)

Illumination

Plural light sources

With support

C362S218000

Reexamination Certificate

active

08061869

ABSTRACT:
A modular luminaire which uses LED light sources. The basic frame comprises two end pieces compressed together by through bolts. At least one elongated heat sink is compressed between the end pieces. Each heat sink may bear a plurality of LEDs mounted on a printed circuit board which may have an integral metallic backplate, and is installed on one of the heat sinks with a layer of heat conductive grease therebetween. The heat sinks have fins projecting in three directions, the fourth direction being accounted for by the LEDs, and are rotatable about their longitudinal axes to adjust direction of light propagation. The heat sinks are arrayed in an arc, so that the outside heat sinks shield observers from direct glare from opposed heat sinks. Heat sinks may be extruded to form cooling fins and slots which may receive fasteners such as screws.

REFERENCES:
patent: 2008/0080189 (2008-04-01), Wang
patent: 2009/0323325 (2009-12-01), Long et al.
patent: 2010/0097804 (2010-04-01), Wung et al.
patent: 2011/0075415 (2011-03-01), Chou et al.

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