Phosphor based light sources having a non-planar long pass reflector and method of making
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United States of America Patent
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Dec 25, 2007
Grant Date -
Jul 29, 2004
app pub date -
Dec 2, 2003
filing date -
Jan 27, 2003
priority date (Note) -
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Abstract
A light source including an LED that emits excitation light, a layer a phosphor material positioned to receive the excitation light, the phosphor material emitting visible light when illuminated with the excitation light, and a first non-planar flexible multilayer reflector that reflects the excitation light and transmits visible light. The non-planar flexible multilayer reflector is positioned to reflect LED light onto the phosphor material.
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