Light emitting device using filter element
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United States of America Patent
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Feb 18, 2014
Grant Date -
Oct 13, 2011
app pub date -
Apr 9, 2010
filing date -
Apr 9, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A light emitting device with at least one LED die, a filter element and a reflective element. The filter element may be configured to preferentially attenuate light passing through the filter element, such that light output has improved color uniformity when compared to similar light emitting devices without a filter element.
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