Novel Iridium Complex and Organic Electroluminescence Device Using the Same
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United States of America Patent
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Issued Date -
Aug 14, 2008
app pub date -
Nov 18, 2005
filing date -
Mar 5, 2005
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Abstract
Disclosed are a deuterated novel iridium complex phosphorescent material used as a light-emitting layer material of an organic electroluminescence device, a preparation method thereof and an organic electroluminescence device using the same. Compared with an organic electroluminescence device using the prior art light-emitting layer with no deuterium substitution, the organic electroluminescence device using the deuterated material of the present invention has improved luminescence efficiency, luminance, power efficiency, thermal stability and the like.
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