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. ##STR1##

 
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> Light emitting device, electronic equipment, and organic polarizing film

> Color-converting/filter substrate, multi-color organic EL display panel using the color-converting/filter substrate, and manufacturing methods thereof

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