Phosphor based illumination system having an interference reflector and a display
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United States of America Patent
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Apr 15, 2008
Grant Date -
Dec 13, 2007
app pub date -
May 7, 2007
filing date -
Jun 30, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
An illumination system including a light source, a light guide including an output surface, emissive material positioned to receive light from the output surface of the light guide, and a first interference reflector positioned between the output surface of the light guide and the emissive material is disclosed. The light source emits light having a first optical characteristic. The emissive material emits light having a second optical characteristic when illuminated with light having the first optical characteristic. The first interference reflector substantially transmits light having the first optical characteristic and substantially reflects light having the second optical characteristic.
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