An organic light-emitting device includes a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode, the organic layer including one or more anthracene derivative compounds represented by Formula 1 below and optionally an ionic metal complex: wherein R1 and R2 are each independently a hydrogen atom, a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C1-C30 alkoxy group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C6-C30 aryloxy group, a substituted or unsubstituted C4-C30 heteroaryl group, a substituted or unsubstituted C6-C30 condensed polycyclic group, a hydroxyl group, halogen, a cyano group, or a substituted or unsubstituted amino group.