White electroluminescent polymeric material and preparation thereof
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United States of America Patent
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Aug 25, 2009
Grant Date -
Sep 29, 2005
app pub date -
Jan 26, 2005
filing date -
Mar 29, 2004
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Abstract
This invention relates to a white electroluminescent polymeric material and preparation thereof. Based on the physical idea that white light emission can be achieved by regulating the relative luminous intensities of blue- and orange-light emitting units located in a single polymer molecule, the present invention provides three types (main chain type, pendant chain type, and terminal group type) of high efficiency and stable white electroluminescent polymeric material systems.
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