Light-emitting phosphor particles and electroluminescent devices employing same
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United States of America Patent
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Apr 18, 2006
Grant Date -
Jan 29, 2004
app pub date -
Jul 29, 2002
filing date -
Jul 29, 2002
priority date (Note) -
Expired
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Abstract
Light-emitting substance-coated phosphor particles and light-emitting devices employing phosphor particles and light-emitting substances are provided. Also provided are light-emitting devices employing a layer of phosphor material that is covered by at least one layer of light-emitting polymers and/or light-emitting small molecules, and methods of making same.
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