Substituted poly(arylene vinylenes), process for their preparation and their use in electroluminescent devices
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United States of America Patent
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May 9, 2006
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N/A
app pub date -
Oct 28, 2000
filing date -
Nov 9, 1999
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Abstract
The present invention describes poly(arylenevinylenes) comprising poly(arylphenylenevinylene) units whose phenylene unit bears a further aryl substituent in the para or meta position relative to the first aryl radical (formula (I)), as a result of which the operating life in EL elements can be increased and high EL efficiencies can be maintained. ##STR00001##
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