A polymer compound comprising a repeating unit represented by formula (1)
and a repeating unit represented by formula (2),
##STR1##
wherein, Ar.sub.1, Ar.sub.2 and Ar.sub.6 each independently represent an
arylene group, a divalent heterocyclic compound group, etc.; Ar.sub.3 is
an arylene group, arylene vinylene group, or a divalent heterocyclic
compound group; Ar.sub.4 and Ar.sub.5 are each independently an aryl group
or a monovalent heterocyclic compound group. The polymer compound has
excellent characteristics of strong fluorescence and large charge
transporting property.