FILM CONTAINING FLUORENE COPOLYMER
PROBLEM TO BE SOLVED: To provide a substance exhibiting hole transporting and electron transporting properties.SOLUTION: A film containing at least 0.1 wt.% of a copolymer containing at least 1% of a monomeric unit contains: (a) monomeric units at least 10% of which are fluorene moieties selected fr...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a substance exhibiting hole transporting and electron transporting properties.SOLUTION: A film containing at least 0.1 wt.% of a copolymer containing at least 1% of a monomeric unit contains: (a) monomeric units at least 10% of which are fluorene moieties selected from 9-substituted moieties and 9,9-disubstituted fluorene moieties, or combinations thereof; (b) and two other moieties each different but containing delocalized π-electrons. |
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