Rare earth phosphor
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United States of America Patent
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-
May 17, 1994
Grant Date -
N/A
app pub date -
Mar 18, 1993
filing date -
Mar 19, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Phosphors capable of emitting substantially white luminescent were represented by the following general formulae, (I), (II) and (III). (Y.sub.1-X-Y-Z Lu.sub.X Tb.sub.Y Sm.sub.Z).sub.2 O.sub.2 S (I) 0
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