Heterocyclic compound, organic light-emitting device including the same, and electronic apparatus including the organic light-emitting device

A heterocyclic compound represented by Formula 1:

• wherein, in Formula 1,
• A11 to A15 are each independently a substituted or unsubstituted C5-C30 carbocyclic group or a substituted or unsubstituted C1-C30 heterocyclic group,
• X11 is N or B,
• Y11 is a group represented by Formula 2-1 or a group represented by Formula 2-2, and m11 is 1, 2, 3, and 4,
• wherein, in Formulae 2-1 and 2-2,
• X21 is a single bond, O, S, N(R25), or C(R25)(R26),
• L21 and L22 are each independently a substituted or unsubstituted C5-C30 carbocyclic group or a substituted or unsubstituted C1-C30 heterocyclic group,
• a21 and a22 are each independently 0, 1, or 2,
• R21 and R22 are each independently a substituted or unsubstituted C1-C60 alkyl 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 C1-C10 heterocycloalkenyl group, a substituted or unsubstituted C6-C60 aryl group, a substituted or unsubstituted C7-C60 alkyl aryl group, a substituted or unsubstituted C1-C60 heteroaryl group, a substituted or unsubstituted C2-C60 alkyl heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, or a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group,
• Z11 to Z14 are each independently a group represented by Formula 2-3, and n11 to n14 are each independently 0, 1, 2, 3, or 4, wherein the sum of n11 to n14 is 2 or more,
• wherein, in Formula 2-3, L23 is a substituted or unsubstituted C5-C30 carbocyclic group or a substituted or unsubstituted C1-C30 heterocyclic group,
• a23 is 0, 1, or 2,
• R11 to R15 and R23 to R29 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 C1-C10 heterocycloalkenyl group, a substituted or unsubstituted C6-C60 aryl group, a substituted or unsubstituted C7-C60 alkyl aryl 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 alkyl heteroaryl 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, —Si(Q1)(Q2)(Q3), —C(Q1)(Q2)(Q3), —B(Q1)(Q2), —N(Q1)(Q2), —P(Q1)(Q2), —C(═O)(Q1), —S(═O)(Q1), —S(═O)2(Q1), —P(═O)(Q1)(Q2), or —P(═S)(Q1)(Q2),
• b11 to b16 are each independently 0, 1, 2, or 3,
• b23 and b24 are each independently 0, 1, 2, 3, or 4,
• b27 to b29 are each independently 0, 1, 2, 3, 4, or 5,
• Q1 to Q3 are each independently hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amidino group, a hydrazino group, a hydrazono group, 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 C1-C10 heterocycloalkenyl group, a C6-C60 aryl group, a C7-C60 alkyl aryl group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C1-C60 heteroaryl group, a C2-C60 alkyl heteroaryl group, a C1-C60 heteroaryloxy group, a C1-C60 heteroarylthio group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, a C1-C60 alkyl group that is substituted with at least one deuterium, —F, a cyano group, a C1-C60 alkyl group, a C6-C60 aryl group, or a combination thereof, or a C6-C60 aryl group substituted with at least one deuterium, —F, a cyano group, a C1-C60 alkyl group, a C6-C60 aryl group, or a combination thereof, and
• * indicates a binding site to a neighboring atom.