Heterocyclic compound and organic light-emitting device including the same

A heterocyclic compound represented by Formula 1, below:

• wherein, R1 to R17 are each independently a hydrogen atom, a deuterium atom, a substituted or unsubstituted C1 to C60 alkyl group, a substituted or unsubstituted C2 to C60 alkenyl group, a substituted or unsubstituted C2 to C60 alkynyl group, a substituted or unsubstituted C3 to C60 cycloalkyl group, a substituted or unsubstituted C1 to C60 alkoxy group, a substituted or unsubstituted C6 to C60 aryloxy group, a substituted or unsubstituted C6 to C60 arylthio group, a substituted or unsubstituted C6 to C60 aryl group, a substituted or unsubstituted C2 to C60 heteroaryl group, a substituted or unsubstituted C6 to C60 condensed polycyclic group, a halogen atom, a cyano group, a nitro group, a hydroxyl group, or a carboxyl group, and
• wherein a, b, c, d, m, and n are each independently 0 or 1, one of a, b, c, or d being 0, and one of m or n being 0.