Patent ID: 8597801

Claim:
A heterocyclic compound represented by Formula 1 or Formula 2 below: wherein, Y 1 and Y 4 are each independently N or C(R 10 ), Y 2 and Y 3 are independently N, CH, or C(CH 3 ), and one or more of Y 1 and Y 4 are N, R 1 to R 4 and R 7 to R 10 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a hydroxyl group, a cyano group, a nitro group, a carboxylic 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, a substituted or unsubstituted C 3 -C 30 heteroaryl group, or a group represented by N(Q 1 )(Q 2 ) where 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 carboxylic 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 heteroaryl group, R 5 to R 6 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, or a substituted or unsubstituted methyl group, L 1 is a substituted or unsubstituted C 6 -C 30 arylene group or a substituted or unsubstituted C 3 -C 30 heteroarylene group, and a is an integer from 1 to 3.