Heterocyclic compound and organic light-emitting device including the same

A heterocyclic compound represented by Formula 1:

• wherein, in Formulae 1 and 2,
• X1 is a single bond, O, S, Se, N(Ar2), N(R1), C(R1)(R2), Si(R1)(R2), Ge(R1)(R2), B(R1), P(R1), P(═O)(R1), S(═O)2, or C(═O),
• CY1 to CY3 are each independently a C5-C30 carbocyclic group or a substituted or unsubstituted C1-C30 heterocyclic group,
• Ar1 and Ar2 are each independently a group represented by Formula 2,
• L1 is a single bond, a substituted or unsubstituted C5-C30 carbocyclic group, or a substituted or unsubstituted C1-C30 heterocyclic group,
• a1 is 1, 2, or 3,
• CY21 to CY24 are each independently a C5-C30 carbocyclic group or a substituted or unsubstituted C1-C30 heterocyclic group,
• R1, R2, R10, R20, R30, R40, R50, R60, and R70 are each independently a group represented by Formula 2, hydrogen, deuterium, —F, —Cl, —Br, —I, —SF5, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a substituted or unsubstituted C1-C60 alkyl group, a substituted or unsubstituted C2-C60 alkenyl group, a substituted or unsubstituted C2-C60 alkynyl group, a substituted or unsubstituted C1-C60 alkoxy group, a substituted or unsubstituted C3-C10 cycloalkyl group, a substituted or unsubstituted C1-C10 heterocycloalkyl group, a substituted or unsubstituted C3-C10 cycloalkenyl group, a substituted or unsubstituted C2-C10 heterocycloalkenyl group, a substituted or unsubstituted C6-C60 aryl group, a substituted or unsubstituted C7-C60 alkylaryl group, a substituted or unsubstituted C6-C60 aryloxy group, a substituted or unsubstituted C6-C60 arylthio group, a substituted or unsubstituted C1-C60 heteroaryl group, a substituted or unsubstituted C2-C60 alkylheteroaryl group, a substituted or unsubstituted C1-C60 heteroaryloxy group, a substituted or unsubstituted C1-C60 heteroarylthio group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, —N(Q1)(Q2), —Si(Q1)(Q2)(Q3), —Ge(Q1)(Q2)(Q3), —C(═O)(Q1), —S(═O)(Q1), —S(═O)2(Q1), —B(Q1)(Q2), —P(Q1)(Q2), —P(═O)(Q1)(Q2), —P(═S)(Q1)(Q2), or a group represented by Formula 3,
• wherein, in Formula 3,
• X31 is a single bond, O, S, N(R301), or C(R301)(R302),
• k31 is 0 or 1,
• CY31 and CY32 are each independently a C5-C30 carbocyclic group or a C1-C30 heterocyclic group,
• L30 is a single bond, a substituted or unsubstituted C5-C30 carbocyclic group, or a substituted or unsubstituted C1-C30 heterocyclic group,
• a30 is 0, 1, 2, or 3,
• R301, R302, R310, and R320 are each independently hydrogen, deuterium, —F, —Cl, —Br, —I, —SF5, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, a substituted or unsubstituted C1-C60 alkyl group, a substituted or unsubstituted C2-C60 alkenyl group, a substituted or unsubstituted C2-C60 alkynyl group, a substituted or unsubstituted C1-C60 alkoxy group, a substituted or unsubstituted C3-C10 cycloalkyl group, a substituted or unsubstituted C1-C10 heterocycloalkyl group, a substituted or unsubstituted C3-C10 cycloalkenyl group, a substituted or unsubstituted C2-C10 heterocycloalkenyl group, a substituted or unsubstituted C6-C60 aryl group, a substituted or unsubstituted C7-C60 alkylaryl group, a substituted or unsubstituted C6-C60 aryloxy group, a substituted or unsubstituted C6-C60 arylthio group, a substituted or unsubstituted C1-C60 heteroaryl group, a substituted or unsubstituted C2-C60 alkylheteroaryl group, a substituted or unsubstituted C1-C60 heteroaryloxy group, a substituted or unsubstituted C1-C60 heteroarylthio group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, —N(Q1)(Q2), —Si(Q1)(Q2)(Q3), —Ge(Q1)(Q2)(Q3), —C(═O)(Q1), —S(═O)(Q1), —S(═O)2(Q1), —B(Q1)(Q2), —P(Q1)(Q2), —P(═O)(Q1)(Q2), or —P(═S)(Q1)(Q2),
• b310 and b320 are each independently 1, 2, 3, 4, 5, 6, 7, or 8,
• b10, b20, b30, b40, b50, b60, and b70 are each independently 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, or 14,
• neighboring two or more of R1, R2, R10, R20, R30, R40, R50, R60, R70, R301, R302, R310, and R320 are optionally bonded to each other to form a substituted or unsubstituted C5-C30 carbocyclic group or a C1-C30 heterocyclic group,
• at least one substituent of the substituted C5-C30 carbocyclic group, the substituted C1-C30 heterocyclic group, the substituted C1-C60 alkyl group, the substituted C2-C60 alkenyl group, the substituted C2-C60 alkynyl group, the substituted C1-C60 alkoxy group, the substituted C3-C10 cycloalkyl group, the substituted C1-C10 heterocycloalkyl group, the substituted C3-C10 cycloalkenyl group, the substituted C2-C10 heterocycloalkenyl group, the substituted C6-C60 aryl group, the substituted C7-C60 alkylaryl group, the substituted C6-C60 aryloxy group, the substituted C6-C60 arylthio group, the substituted C1-C60 heteroaryl group, the substituted C2-C60 alkylheteroaryl group, the substituted C1-C60 heteroaryloxy group, the substituted C1-C60 heteroarylthio group, the substituted monovalent non-aromatic condensed polycyclic group, and the substituted monovalent non-aromatic condensed heteropolycyclic group is:
• deuterium, —F, —Cl, —Br, —I, —CD3, —CD2H, —CDH2, —CF3, —CF2H, —CFH2, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid or a salt thereof, a sulfonic acid or a salt thereof, a phosphoric acid or a salt thereof, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, or a C1-C60 alkoxy group;
• a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, or a C1-C60 alkoxy group, each substituted with deuterium, —F, —Cl, —Br, —I, —CD3, —CD2H, —CDH2, —CF3, —CF2H, —CFH2, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid or a salt thereof, a sulfonic acid or a salt thereof, a phosphoric acid or a salt thereof, a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C2-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —N(Q11)(Q12), —Si(Q11)(Q12)(Q13), —Ge(Q11)(Q12)(Q13), —C(═O)(Q11), —S(═O)(Q11), —S(═O)2(Q11), —B(Q11)(Q12), —P(Q11)(Q12), —P(═O)(Q11)(Q12), —P(═S)(Q11)(Q12), or any combination thereof;
• a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C2-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, or a monovalent non-aromatic condensed heteropolycyclic group, each unsubstituted or substituted with deuterium, —F, —Cl, —Br, —I, —CD3, —CD2H, —CDH2, —CF3, —CF2H, —CFH2, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid or a salt thereof, a sulfonic acid or a salt thereof, a phosphoric acid or a salt thereof, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, a C3-C10 cycloalkyl group, a C1-C10 heterocycloalkyl group, a C3-C10 cycloalkenyl group, a C2-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —N(Q21)(Q22), —Si(Q21)(Q22)(Q23), —Ge(Q21)(Q22)(Q23), —C(═O)(Q21), —S(═O)(Q21), —S(═O)2(Q21), —B(Q21)(Q22), —P(Q21)(Q22), —P(═O)(Q21)(Q22), —P(═S)(Q21)(Q22), or any combination thereof;
• —N(Q31)(Q32), —Si(Q31)(Q32)(Q33), —Ge(Q31)(Q32)(Q33), —C(═O)(Q31), —S(═O)(Q31), —S(═O)2(Q31), —B(Q31)(Q32), —P(Q31)(Q32), —P(═O)(Q31)(Q32), or —P(Q31)(Q32);
• or
• any combination thereof,
• Q1 to Q3, Q11 to Q13, Q21 to Q23, and Q31 to Q33 are each independently:
• hydrogen;
• deuterium;
• —F;
• —Cl;
• —Br;
• —I;
• a hydroxyl group;
• a cyano group;
• a nitro group;
• an amidino group;
• a hydrazine group;
• a hydrazone group;
• a carboxylic acid group or a salt thereof;
• a sulfonic acid group or a salt thereof;
• a phosphoric acid group or a salt thereof;
• a C1-C60 alkyl group unsubstituted or substituted with deuterium, a C1-C60 alkyl group, a C6-C60 aryl group, or any combination thereof;
• a C2-C60 alkenyl group;
• a C2-C60 alkynyl group;
• a C1-C60 alkoxy group;
• a C3-C10 cycloalkyl group;
• a C1-C10 heterocycloalkyl group;
• a C3-C10 cycloalkenyl group;
• a C2-C10 heterocycloalkenyl group;
• a C6-C60 aryl group unsubstituted or substituted with deuterium, a C1-C60 alkyl group, a C6-C60 aryl group, or any combination thereof;
• a C6-C60 aryloxy group;
• a C6-C60 arylthio group;
• a C1-C60 heteroaryl group;
• a monovalent non-aromatic condensed polycyclic group;
• or a monovalent non-aromatic condensed heteropolycyclic group, and
• * indicates a binding site to an adjacent atom.