High brightness LED package with multiple optical elements
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United States of America Patent
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Feb 12, 2008
Grant Date -
May 4, 2006
app pub date -
Oct 29, 2004
filing date -
Oct 29, 2004
priority date (Note) -
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Abstract
A light source includes an LED die with an emitting surface and a plurality of optical elements having input surfaces in optical contact with distinct portions of the emitting surface. The optical elements can comprise tapers or concentrators that have reflective side surface(s) and output surfaces larger than the respective input surfaces. The optical elements can couple both light and heat out of the emitting surface of the LED die.
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