Patent ID: 8263735

Claim:
A polymer compound having a polystyrene reduced number average-molecular weight of 10 3 -10 8 , and comprising at least one repeating unit represented by formula (2), wherein Ar 5 , Ar 6 , Ar 7 , Ar 8 , Ar 9 , Ar 10 and Ar 11 each independently represent an arylene group or a divalent heterocyclic group; E 4 , E 5 , E 6 , E 7 , E 8 and E 9 each independently represent an aryl group (A′) represented by the below formula (3), wherein Re and Rf each independently represent alkyl, alkoxy or alkylthio groups having three or less carbon atoms, and Rg represents alkyl, alkoxy or alkylthio groups having 3-20 carbon atoms; l and n each independently represent an integer of 1 or 2; m represents an integer of 0 to 2; o and p each independently represent an integer of 0 or 1, and l+m+n+o+p is 2 or more, and a repeating unit represented by below formula 36, 37, 38, 88, 89 or 90 wherein Rs each independently represent a hydrogen atom, an alkyl group, an alkoxy group, an alkylthio group or an aryl group.