Light emitting device having plural light emitting diodes and plural phosphors for emitting different wavelengths of light
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United States of America Patent
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Mar 18, 2014
Grant Date -
Aug 23, 2012
app pub date -
May 1, 2012
filing date -
Aug 29, 2006
priority date (Note) -
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Abstract
The present invention provides a light emitting device, comprising a first light emitting diode for emitting light in an ultraviolet wavelength region; at least one phosphor arranged around the first light emitting diode and excited by the light emitted from the first light emitting diode to emit light having a peak wavelength longer than the wavelength of the light emitted from the first light emitting diode; and at least one second light emitting diode for emitting light having a wavelength different from the peak wavelength of the light emitted from the phosphor.
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