Condensed cyclic compound and organic light-emitting device including the same

A condensed cyclic compound represented by Formula 1:

• wherein Ar1 in Formula 1 is selected from groups represented by Formulae 2A, 2B, 2B-5, and 2B-6,
• wherein
• R13 and R15 in Formulae 2A, 2B, 2B-5, and 2B-6 are optionally connected to each other through *—O—*′, *—S—′, *—C(R31)(R32)—*′, or *—Si(R31)(R32)—*′ to form a 5-membered ring,
• R11 and R14 in Formulae 2A, 2B, 2B-5, and 2B-6 are optionally connected to each other through *—O—*′, *—S—′, *—C(R33)(R34)—*′, or *—Si(R33)(R34)—*′ to form a 5-membered ring,
• R15 and R22 in Formulae 2A and 2B are optionally connected to each other through *—O—*′, *—S—′, *—C(R35)(R36)—*′, or *—Si(R35)(R36)—*′ to form a 5-membered ring,
• R16 and R21 in Formulae 2A and 2B are optionally connected to each other through *—O—*′, *—S—*′, *—C(R37)(R38)—*′, or *—Si(R37)(R38)—*′ to form a 5-membered ring,
• R24 and R27 in Formula 2B are optionally connected to each other through *—O—*′, *—S—*′, *—C(R39)(R40)—*′, or *—Si(R39)(R40)—*′ to form a 5-membered ring,
• R21 and R26 in Formula 2B are optionally connected to each other through *—O—*′, *—S—*′, *—C(R41)(R42)—*′, or *—Si(R41)(R42)—*′ to form a 5-membered ring,
• R1 to R8, R11 to R17, R21 to R30, and R31 to R42 in Formulae 1 and 2A, 2B, 2B-5, and 2B-6 are each independently:
• hydrogen, deuterium, a cyano group, a C1-C20 alkyl group, a C1-C20 alkoxy group, a phenyl group, a biphenyl group, a terphenyl group, a naphthyl group, a fluorenyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a dibenzofuranyl group, a dibenzothiophenyl group, and a dibenzosilolyl group;
• a C1-C20 alkyl group and a C1-C20 alkoxy group, each substituted with at least one selected from deuterium and a cyano group;
• and
• a phenyl group, a biphenyl group, a terphenyl group, a naphthyl group, a fluorenyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a dibenzofuranyl group, a dibenzothiophenyl group and a dibenzosilolyl group, each substituted with at least one of deuterium, a cyano group, a C1-C20 alkyl group, a C1-C20 alkoxy group, a phenyl group, a biphenyl group, a terphenyl group, a naphthyl group, a fluorenyl group, a pyridinyl group, a pyrimidinyl group, a pyrazinyl group, a pyridazinyl group, a triazinyl group, a dibenzofuranyl group, a dibenzothiophenyl group, and a dibenzosilolyl group;
• wherein, in Formula 2B-5, X5 is O, S, C(R39)(R40), or Si(R39)(R40), wherein in Formula 2B-6, X6 is Si(R41)(R42), wherein R31 to R42 are the same as defined above, and
• indicates a binding site to an adjacent atom.