POLYMER COMPOUND, CHARGE TRANSPORTING POLYMER, COMPOSITION FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC EL DISPLAY DEVICE, AND ORGANIC EL LIGHTING

摘要

The present invention provides a polymer compound and charge transporting polymer having a high hole injecting and transporting performance, a composition for organic electroluminescent element containing the charge transporting polymer, and an organic electroluminescent element. The polymer compound of the present invention comprises a group represented by the following formula (1) as a side chain connecting to a carbon atom:
wherein the benzocyclobutene ring is optionally substituted, and the substituents connect to each other to form a ring; Ar 1 represents an aromatic hydrocarbon group or aromatic heterocyclic group, n represents an integer of 1 to 6, and the n Ar 1 s may be the same or different.