Patent ID: 8217387

Claim:
A polymer compound comprising a repeating unit of the following formula (1) and having a polystyrene-reduced number average molecular weight of 1×10 3 to 1×10 8 : wherein, Ar 1 and Ar 2 represent each independently an optionally substituted arylene group, optionally divalent heterocyclic group or optionally substituted divalent aromatic amine group; when a plurality of Ar 1 s and Ar 2 s are present, these may be the same or different; Z 1 represents —CR 1 ═CR 2 — or —C═C—; here, R 1 and R 2 represent each independently a hydrogen atom, alkyl group, aryl group, monovalent heterocyclic group or cyano group; m and n represent each independently 1 or 2; and R s and R t represent each independently a hydrogen atom, alkyl group or alkoxy group.