LIGHT EMITTING DEVICE
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United States of America Patent
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Issued Date -
Apr 26, 2012
app pub date -
Jul 5, 2010
filing date -
Jul 7, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
To provide a light emitting device capable of favorably controlling a color temperature of white light and having excellent color rendering properties, the light emitting device includes: a plurality of kinds of LED elements emitting ultraviolet rays or short-wavelength visible rays of different wavelengths; a single wavelength converting member containing fluorescent substances and converting the ultraviolet rays or short-wavelength visible rays emitted from the plurality of kinds of LED elements to derive white light; and a current control part varying current values to be supplied to the plurality of kinds of LED elements.
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