Patent ID: 8742410

Claim:
A fused polycyclic heteroaromatic compound represented by the following Chemical Formula 1: wherein, in Chemical Formula 1, 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 (—OR 11 , wherein R 11 is a substituted or unsubstituted C6 to C30 aryl group), a substituted or unsubstituted C4 to C30 cycloalkyl group, a substituted or unsubstituted C4 to C30 cycloalkyloxy group (—OR 12 , wherein R 12 is a substituted or unsubstituted C4 to C30 cycloalkyl group), a substituted or unsubstituted C2 to C30 heteroaryl group, an acyl group (—C(═O)R 13 , wherein R 13 is a substituted or unsubstituted C1 to C30 alkyl group), a sulfonyl group (—S(═O)R 14 , wherein R 14 is a substituted or unsubstituted C1 to C30 alkyl group), or a carbamate group (—NH 2 C(═O)OR 15 , wherein R 15 is a substituted or unsubstituted C1 to C30 alkyl group), X 3 and X 4 are each independently O, S, Se, Te, N—R b or CR c R d wherein R b to R d are each independently 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 (—OR 11 , wherein R 11 is a substituted or unsubstituted C6 to C30 aryl group), a substituted or unsubstituted C4 to C30 cycloalkyl group, a substituted or unsubstituted C4 to C30 cycloalkyloxy group (—OR 12 , wherein R 12 is a substituted or unsubstituted C4 to C30 cycloalkyl group), a substituted or unsubstituted C2 to C30 heteroaryl group, an acyl group (—C(═O)R 13 , wherein R 13 is a substituted or unsubstituted C1 to C30 alkyl group), a sulfonyl group (—S(═O)R 14 , wherein R 14 is a substituted or unsubstituted C1 to C30 alkyl group), or a carbamate group (—NH 2 C(═O)OR 15 , wherein R 15 is a substituted or unsubstituted C1 to C30 alkyl group), R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , and R 9 are each independently hydrogen, halogen(—F, —Cl, —Br or —I), 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 alkynyl 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 a substituted or unsubstituted C2 to C30 heteroaryl group, n is an integer ranging from 0 to 3, and a is an integer of 1 or 2.