Lighting fixtures having enhanced heat sink performance
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United States of America Patent
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Apr 16, 2013
Grant Date -
Sep 22, 2011
app pub date -
Mar 16, 2010
filing date -
Mar 16, 2010
priority date (Note) -
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Abstract
Lighting fixtures having an enhanced heat sink performance are provided. A heat sink member is a unitary ring member. An outside surface of the heat sink member is disposed exterior of the lighting fixture and includes a plurality of outwardly extending fins. An inside surface of the heat sink member is disposed inside of the lighting fixture and includes a plurality of surfaces configured for mating engagement with a respective light source board. The heat sink member joins upper and lower globe portions of the lighting fixture. A reflector or a light pipe optionally is provided interior of the light fixture, providing illumination directional control. A polygon shaped lighting fixture provides a LED light output to cross in a plane proximate to a light center of the fixture.
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