Electroluminescent polymer having 9-fluoren-2-yl-9-aryl-2,7-fluorenyl unit and electroluminescent device manufactured using the same
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United States of America Patent
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Issued Date -
Jun 8, 2006
app pub date -
Dec 6, 2005
filing date -
Dec 6, 2004
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Abandoned
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Abstract
Disclosed herein is an electroluminescent polymer having a 9-fluoren-2-yl-9-aryl-2,7-fluorenyl unit and an electroluminescent device using the same. Specifically, an electroluminescent polymer having a 9-fluoren-2-yl-9-aryl-2,7-fluorenyl unit, which can be used as a blue electroluminescent polymer and a host material by introducing the substituted fluorenyl group at the 9-position of fluorene, and an electroluminescent device using the electroluminescent polymer. The electroluminescent polymer is applicable as a host material for highly pure blue, green and red luminescence, and has high solubility, high heat stability and high quantum efficiency.
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