CHARGE-TRANSPORTING POLYMER, COMPOSITION FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC EL DISPLAY AND ORGANIC EL LIGHTING

摘要

PROBLEM TO BE SOLVED: To provide: a charge-transporting polymer high in hole-transporting ability and excellent in solubility and film forming properties; a composition for an organic electroluminescent element, containing the charge-transporting polymer; and an organic electroluminescent element high in current efficiency and driving stability.

SOLUTION: The charge-transporting polymer includes a group represented by formula (1) as a side chain. (In the formula (1), a benzocyclobutene ring may have substituents, and the substituents may bind with each other to form a ring. The spacer represents a group connecting the benzocyclobutene ring to a main chain of the charge-transporting polymer via three or more single bonds.)

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