Light-emitting device including heterocyclic compound, electronic apparatus including the same, and the heterocyclic compound

A heterocyclic compound represented by Formula 1:

• wherein in Formula 1,
• X1 is a single bond, O, S, N(Q1), P(Q1), C(Q1)(Q2), or Si(Q1)(Q2),
• Y1 is C or Si,
• rings CY1 to CY4 are each independently a C6-C60 carbocyclic group or a C3-C60 heterocyclic group,
• L11, L12, L21, L22, L23, L24, Ar11, Ar12, Ar21, Ar22, and Ar23 are each independently a C6-C60 carbocyclic group unsubstituted or substituted with at least one R10a or a C3-C60 heterocyclic group unsubstituted or substituted with at least one R10a,
• a11, a12, a21, a22, a23, and a24 are each independently an integer from 0 to 3,
• *-(L11)a11-*′ is a single bond when a11 is 0,
• *-(L12)a12-*′ is a single bond when a12 is 0,
• *-(L21)a21-*′ is a single bond when a21 is 0,
• *-(L22)a22-*′ is a single bond when a22 is 0,
• *-(L23)a23-*′ is a single bond when a23 is 0,
• *-(L24)a24-*′ is a single bond when a24 is 0,
• * and *′ each indicate a binding site to a neighboring atom,
• b11 and b12 are each independently an integer from 0 to 4,
• R10a, R10aa, R10ab, R10ac, R10ad, and R10ae are each independently:
• deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, or a nitro group;
• a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, or a C1-C60 alkoxy group, each unsubstituted or substituted with deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C6-C60 aryloxy group, a C6-C60 arylthio group, —Si(Q11)(Q12)(Q13), —N(Q11)(Q12), —B(Q11)(Q12), —C(═O)(Q11), —S(═O)2(Q11), —P(═O)(Q11)(Q12), or any combination thereof;
• a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C6-C60 aryloxy group, or a C6-C60 arylthio group, each unsubstituted or substituted with deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, a C1-C60 alkyl group, a C2-C60 alkenyl group, a C2-C60 alkynyl group, a C1-C60 alkoxy group, a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C6-C60 aryloxy group, a C6-C60 arylthio group, —Si(Q21)(Q22)(Q23), —N(Q21)(Q22), —B(Q21)(Q22), —C(═O)(Q21), —S(═O)2(Q21), —P(═O)(Q21)(Q22), or any combination thereof;
• or
• —Si(Q31)(Q32)(Q33), —N(Q31)(Q32), —B(Q31)(Q32), —C(═O)(Q31), —S(═O)2(Q31), or —P(═O)(Q31)(Q32),
• c11 to c14 are each independently an integer from 0 to 8,
• c15 is an integer from 0 to 3,
• a sum of b11+c11 is 8 or less,
• a sum of b12+c12 is 8 or less,
• Q1, Q2, 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;
• a C1-C60 alkyl group;
• a C2-C60 alkenyl group;
• a C2-C60 alkynyl group;
• a C1-C60 alkoxy group;
• or a C3-C60 carbocyclic group or a C1-C60 heterocyclic group, each unsubstituted or substituted with deuterium, —F, a cyano group, a C1-C60 alkyl group, a C1-C60 alkoxy group, a phenyl group, a biphenyl group, or any combination thereof, and
• Q1 and Q2 are optionally bonded to each other to form a C3-C60 carbocyclic group unsubstituted or substituted with at least one R10a or a C1-C60 heterocyclic group unsubstituted or substituted with at least one R10a.

A heterocyclic compound satisfying both Conditions v and vi:

• v) the heterocyclic compound comprises a core represented by Formula 1-1:
• wherein in Formula 1-1,
• X1 is a single bond, O, S, N(Q1), P(Q1), C(Q1)(Q2), or Si(Q1)(Q2),
• Q1 and Q2 are each independently hydrogen;
• deuterium;
• —F;
• —Cl;
• —Br;
• —I;
• a hydroxyl group;
• a cyano group;
• a nitro group;
• a C1-C60 alkyl group;
• a C2-C60 alkenyl group;
• a C2-C60 alkynyl group;
• a C1-C60 alkoxy group;
• or a C3-C60 carbocyclic group or a C1-C60 heterocyclic group, each unsubstituted or substituted with deuterium, —F, a cyano group, a C1-C60 alkyl group, a C1-C60 alkoxy group, a phenyl group, a biphenyl group, or any combination thereof, and
• Q1 and Q2 are optionally bonded to each other to form a C3-C60 carbocyclic group unsubstituted or substituted with at least one R10a or a C1-C60 heterocyclic group unsubstituted or substituted with at least one R10a;
• and
• vi) a T1 energy level of the heterocyclic compound is in a range of about 2.95 eV to about 3.05 eV, or
• a HOMO energy level of the heterocyclic compound is in a range of about −5.60 eV to about −5.35 eV, or
• a LUMO energy level of the heterocyclic compound is in a range of about −2.30 eV to about −1.75 eV.