LED light emitting device
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United States of America Patent
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Apr 22, 2014
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N/A
app pub date -
Feb 5, 2010
filing date -
Feb 5, 2009
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Abstract
In order to provide an LED light emitting device that can easily control a color temperature of white light, the LED light emitting device is provided with a plurality of types of light emitting parts that: respectively have LED elements that emit ultraviolet radiation or violet color visible light, and phosphors that absorb the ultraviolet radiation or violet color visible light to emit colored light; and emit the colored light, wherein: the colored light emitted by the plurality of types of light emitting parts become white light when all mixed with each other; the LED elements of the plurality of types of light emitting parts are all the same ones, and mounted on a single base material; and two or more light emitting parts overlap with each other in their parts.
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