Patent ID: 8623521

Claim:
A heterocyclic compound represented by Formula 1 below: wherein: A 1 is a substituted or unsubstituted fused pyridine cycle, R 1 to R 9 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a hydroxyl group, a cyano group, a nitro group, a carboxyl group, a substituted or unsubstituted C 1 -C 30 alkyl group, a substituted or unsubstituted C 2 -C 30 alkenyl group, a substituted or unsubstituted C 2 -C 30 alkynyl group, a substituted or unsubstituted C 1 -C 30 alkoxy group, a substituted or unsubstituted C 3 -C 30 cyclo alkyl group, a substituted or unsubstituted C 3 -C 30 cyclo alkenyl group, a substituted or unsubstituted C 6 -C 30 aryl group, a substituted or unsubstituted C 6 -C 30 aryloxy group, a substituted or unsubstituted C 6 -C 30 arylthio group, a substituted or unsubstituted C 3 -C 30 hetero aryl group, or a group represented by N(Q 1 )(Q 2 ), wherein Q 1 and Q 2 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a hydroxyl group, a cyano group, an amino group, a nitro group, a carboxyl group, a substituted or unsubstituted C 1 -C 30 alkyl group, a substituted or unsubstituted C 2 -C 30 alkenyl group, a substituted or unsubstituted C 2 -C 30 alkynyl group, a substituted or unsubstituted C 1 -C 30 alkoxy group, a substituted or unsubstituted C 3 -C 30 cycloalkyl group, a substituted or unsubstituted C 3 -C 30 cycloalkenyl group, a substituted or unsubstituted C 6 -C 30 aryl group, a substituted or unsubstituted C 6 -C 30 aryloxy group, a substituted or unsubstituted C 6 -C 30 arylthio group, or a substituted or unsubstituted C 3 -C 30 hetero aryl group, L 1 and L 2 are each independently a substituted or unsubstituted C 6 -C 30 arylene group or a substituted or unsubstituted C 3 -C 30 heteroarylene group, and a and b are each independently an integer of 0 to 3.