Diffusion globe LED lighting device
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United States of America Patent
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Mar 24, 2015
Grant Date -
Aug 14, 2014
app pub date -
Apr 23, 2014
filing date -
Jan 22, 2012
priority date (Note) -
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Abstract
Disclosed is a lighting fixture that provides approximately even illumination across a planar surface. Also enclosed is an LED light for producing the same. In one embodiment, the light fixture includes a plurality of hollow gradient diffusion globes; each diffusion globe is affixed to a planar reflector that forms an outer illumination surface of the light fixture. Each diffusion globe surrounds a light-emitting portion of an LED or LED cluster. The hollow gradient diffusion globe can include a wall defining by the interior and exterior boundary of the diffusion globe. The wall includes diffusing-particulate homogenously distributed within the wall that in combination with varying thickness of the wall creates continuously varying diffusion. The relative spacing of the diffusion globes on the planar reflective surface in combination with the continuous variable diffusion property of each globe produce approximately even illumination across the outer illumination surface of the LED light fixture.
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