System and method for color mixing lens array
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United States of America Patent
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Nov 19, 2013
Grant Date -
Mar 22, 2012
app pub date -
Mar 31, 2011
filing date -
Aug 20, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
Embodiments described herein provide optical systems that can mix colors to produce illumination patterns having a large area with uniform color. One embodiment of an optical system can include a set of optical units that each produces an illumination pattern with uniform color and intensity. The optical units are spaced so that the individual illumination patterns overlap to create an overall illumination pattern with an overlap area. In the overlap area, the colors emitted by the individual optical units mix to create a desired color. Embodiments of optical systems can provide beam control so that the optical units emit a high percentage of light in beam.
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