Light emitting element package with variable color temperature
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United States of America Patent
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Apr 23, 2013
Grant Date -
Apr 26, 2012
app pub date -
Apr 22, 2011
filing date -
Oct 20, 2010
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A light emitting element package includes first and second light emitting elements, a phosphor film consisting of first and second phosphor elements and a sensing module. The sensing module is configured for modulating light intensity of the at least one second light emitting element. Light of a first color temperature is generated when light from the at least one first light emitting element passes through the first phosphor elements. Light of a second color temperature is generated when light of the at least one second light emitting element passes through the second phosphor elements. Light of a predetermined color temperature is generated by mixing the light of the first color temperature and the light of the second color temperature.
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