Patent ID: 8658805

Claim:
A fused polycyclic heteroaromatic compound represented by the following Chemical Formula 2A or 2B, wherein, in Chemical Formulas 2A and 2B, X 1 and X 2 are each independently O, S, Se, Te, or N—R a , wherein R a is hydrogen, a substituted or unsubstituted linear or branched C1 to C30 alkyl group, a substituted or unsubstituted C7 to C30 arylalkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C1 to C30 alkoxy group, a substituted or unsubstituted C6 to C30 aryloxy group, a substituted or unsubstituted C4to C30 cycloalkyl group, a substituted or unsubstituted C4to C30 cycloalkyloxy group, a substituted or unsubstituted C2 to C30 heteroaryl group, an acyl group, a sulfonyl group, or a carbamate group, X 3 and X 4 are each independently O, S, Se, Te, N, N—R a , or CR b , (wherein R a and R b are each independently hydrogen, a substituted or unsubstituted linear or branched C1 to C30 alkyl group, a substituted or unsubstituted C7 to C30 arylalkvl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C1 to C30 alkoxy group, a substituted or unsubstituted C6 to C30 aryloxy group, a substituted or unsubstituted C4to C30 cycloalkyl group, a substituted or unsubstituted C4to C30 cycloalkyloxy group, a substituted or unsubstituted C2 to C30 heteroaryl group, an acyl group, a sulfonyl group, or a carbamate group, provided that X 3 and X 4 are not simultaneously CR b , R 1 , R 2 , R 4 , R 5 , R 7 , R 8 , R 9 , and R 10 are each independently hydrogen, a halogen, a substituted or unsubstituted linear or branched C1 to C30 alkyl group, a substituted or unsubstituted linear or branched C2 to C30 alkenyl group, a substituted or unsubstituted linear or branched C2 to C30 alkenyl group, a substituted or unsubstituted C7 to C30 arylalkyl group, a substituted or unsubstituted C2 to C30 heteroarylalkyl group, a substituted or unsubstituted C2 to C30 alkylheteroaryl group, a substituted or unsubstituted C5 to C30 cycloalkyl group, a substituted or unsubstituted C2 to C30 heterocycloalkyl group, a substituted or unsubstituted C6 to C30 aryl group or substituted or unsubstituted C2 to C30 heteroaryl group, a heteroaromatic ring, or an alicyclic ring fused with a X 3 -containing ring, and R 1 and R 2 are linked to provide the aromatic ring, the heteroaromatic ring, or the alicyclic ring fused with the X 3 -containing ring, or R 4 and R 5 are linked to provide the aromatic ring, the heteroaromatic ring, or the alicyclic ring fused with the X 4 -containing ring.