Photoluminescent light source with lenses
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United States of America Patent
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May 22, 2012
Grant Date -
Dec 29, 2011
app pub date -
Sep 9, 2011
filing date -
Jul 5, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for providing a photoluminescent light source is disclosed. In one embodiment, the apparatus comprises a light source that emanates light of a particular spectrum, photoluminescent material which converts light from the light source to light of another spectrum, and a selective mirror which reflects light generated by the light source and transmits light generated by the photoluminescent material. The photoluminescent material may be arranged so as to provide a plurality of light sources that emanate light of various colors. In an embodiment, the photoluminescent material is situated in small regions within a transparent material and lenses are used to collimate light emitted from the small regions.
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