Patent ID: 6858326

Claim:
A blue electroluminescent polymer, represented by the following formula (1): wherein Ar is a C 6-26 aromatic group, or a C 4-14 heteroaromatic group which contains at least one heteroatom in the aromatic ring, where the aromatic group and the heteroaromatic group may be unsubstituted or substituted with at least one a C 1-12 linear, branched or cyclic alkyl group, alkoxy group or amine group; R is a hydrogen atom, a C 1-12 linear, branchec or cyclic alkyl group or alkoxy group, or a C 6-14 aromatic group which may be unsubstituted or subtituted with at least one C 1-12 linear, branched or cyclic alkyl group, alkoxy group or amine group; and n is a real number from 0.01 to 0.99.