Electroluminescent phosphor
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United States of America Patent
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Aug 28, 2007
Grant Date -
Jun 29, 2006
app pub date -
Dec 28, 2004
filing date -
Dec 28, 2004
priority date (Note) -
Expired
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Abstract
The electroluminescent phosphor of this invention is comprised of zinc sulfide activated with copper and iodine and may produce an emission with an x color coordinate from 0.145 to 0.155 and a y color coordinate from 0.085 to 0.095. The phosphor preferably contains from about 0.08 to about 0.90 weight percent (wt. %) copper.
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