Light-Emitting Device
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United States of America Patent
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Issued Date -
Aug 23, 2007
app pub date -
Mar 22, 2005
filing date -
Mar 26, 2004
priority date (Note) -
Abandoned
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Abstract
Disclosed is a light-emitting device comprising a semiconductor excitation light source emitting blue-violet light and a solid material illuminant having an absorbent for the blue-violet light containing samarium (Sm). With such a constitution, the light-emitting device has high efficiency, long life and excellent color rendering properties.
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