Method and apparatus for lighting
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United States of America Patent
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Dec 9, 2014
Issued Date -
N/A
app pub date -
Oct 17, 2011
filing date -
Oct 15, 2010
priority date (Note) -
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Abstract
A lighting fixture includes a directional light source that produces a plurality of light rays. An optical module is coupled to the directional light source to focus the plurality of light rays into a beam of light rays to be output by the lighting fixture. The angular distribution of a majority of the beam relative to a vector normal to a ceiling on or near which the fixture is to be installed is in a range of 70 to 95 degrees. A blocking structure is used to block a direct view of the beam of light when the fixture is installed such that only indirect light is primarily visible from a viewer at least in or around a working plane substantially parallel to the ceiling.
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