Patent ID: 7427445

Claim:
A compound represented by formula 1: wherein R 0 represents a lower alkyl group having 1-6 carbon atoms; and R1 and R2 are identical or different, and each is selected from the group consisting of H; an aromatic compound and derivatives thereof; a 5-membered or 6-membered heteroaromatic compound and derivatives thereof; an aliphatic hydrocarbon having 1-20 carbon atoms and derivatives thereof an alkylamine including an alkyl group having 1-20 carbon atoms, which is non-substituted or substituted with at least one substituent selected from the group consisting of an aliphatic hydrocarbon having 1-20 carbon atoms and derivatives thereof; an aralkylamine including an alkyl group having 1-20 carbon atoms, which is non-substituted or substituted with at least one substituent selected from the group consisting of an aliphatic hydrocarbon having 1-20 carbon atoms, an aromatic compound, a heteroaromatic compound and derivatives thereof; an arylamine non-substituted or substituted with at least one substituent selected from the group consisting of an aromatic compound, a heteroaromatic compound and derivatives thereof; and a silicon or boron compound non-substituted or substituted with at least one substituent selected from the group consisting of an aromatic compound, a heteroaromatic compound and derivatives thereof; R1 and R2 may form a fused ring together; or R1 and R2 are linked linearly to permit the compound represented by formula 1 to form a polymer.