Lighting assembly with adjustable light output
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United States of America Patent
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Apr 12, 2016
Grant Date -
Sep 20, 2012
app pub date -
Mar 15, 2012
filing date -
Mar 17, 2011
priority date (Note) -
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Abstract
A lighting assembly includes a light guide and light source. The light guide includes light input regions, at least one of the light input regions associated with an optical modifying characteristic, and the light guide is configured to propagate light by total internal reflection. The light source is located adjacent the light input regions. The light source and light input regions are variably positionable relative to one another to vary a location at which light is incident on the light input regions such that light emitted from the light source is selectively apportioned between the light input regions. A characteristic of the light output from the lighting assembly is modified based on the optical modifying characteristic of the at least one of the light input regions and the relative positioning of the light source and the light input regions.
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