Compound for capping layer and organic light emitting device including same

A compound for a capping layer, wherein the compound is represented by Formula 1 below:

• wherein, in Formula 1,
• A and B are each independently Formula 1-1 or Formula 1-2,
• L, L1 and L2 are each independently a direct bond, a substituted or unsubstituted C5-C50 arylene group, or a substituted or unsubstituted C2-C50 heteroarylene group, and
• Ar is a substituted or unsubstituted C2-C50 heteroaryl group, or a C5-C50 aryl group substituted with a cyano group,
• wherein, in Formula 1-1 and Formula 1-2,
• X is each independently O, S, CRR′ or NR,
• C-ring is each independently a substituted or unsubstituted C5-C30 arylene group, or a substituted or unsubstituted C2-C30 heteroarylene group, and
• R, R′, R1 and R2 are each independently hydrogen, deuterium, halogen, nitro group, nitrile group, hydroxy group, thiol group, a substituted or unsubstituted amino group, a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C2-C30 alkenyl group, a substituted or unsubstituted C1-C30 alkoxy group, a substituted or unsubstituted C1-C30 sulfide group, a substituted or unsubstituted C0-C30 silyl group, a substituted or unsubstituted C5-C50 aryl group, or a substituted or unsubstituted C2-C50 heteroaryl group, and a plurality of R adjacent to each other, a plurality of R2 adjacent to each other, or a plurality of R and R′ adjacent to each other, may be joined together to form or not to form a ring.