Patent ID: 8679648

Claim:
A heterocyclic compound represented by Formula 1 below: wherein R 1 through R 12 are each independently selected from the group consisting of 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 cycloalkyl gruop, a substituted or unsubstituted C 3 -C 30 cycloalkenyl group, a substituted or unsubstituted C 5 -C 30 aryl group, a substituted or unsubstituted C 2 -C 30 heteroaryl group, a substituted or unsubstituted C 5 -C 30 aryloxy group, a substituted or unsubstituted C 5 -C 30 arylthio group, and an amino group substituted with a substituted or unsubstituted C 5 -C 30 aryl group or a substituted or unsubstituted C 3 -C 30 heteroaryl group; Ar 1 and Ar 2 are each independently a substituted or unsubstituted C 5 -C 30 aryl group and a substituted or unsubstituted C 3 -C 30 heteroaryl group; A and B are divalent linking groups, and each independently a substituted or unsubstituted C 5 -C 30 arylene group or a substituted or unsubstituted C 3 -C 30 heteroarylene group; and a is an integer of 0 to 3, wherein when a is 2 or greater, at least two of A groups are the same as or different from each other; and b is an integer of 0 to 3, wherein when b is 2 or greater, at least two of B groups are the same as or different from each other.