Light-emitting device including heterocyclic compound and electronic apparatus including the light-emitting device

A light-emitting device comprising:

• a first electrode;
• a second electrode facing the first electrode;
• an interlayer located between the first electrode and the second electrode and comprising an emission layer;
• and
• a heterocyclic compound of Formula 1:
• wherein, in Formulae 1 and 2,
• Y1 is B, P(═O), or P(═S),
• Y2 is B, P(═O), or P(═S),
• a1 to a5 are each, independently from one another, an integer from 0 to 4,
• X1 is N(Ar1a)(Ar1b), N(Ar1a)(Z1a), or N(Z1a)(Z1b),
• X2 is N(Ar2z)(Ar2b), N(Ar2z)(Z2a), or N(Z2a)(Z2b),
• X3 is N(Ar3a)(Ar3b), N(Ar3a)(Z3a), or N(Z3a)(Z3b),
• X4 is N(Ar4a)(Ar4b), N(Ar4a)(Z4a), or N(Z4a)(Z4b),
• X5 is N(Ar5a)(Ar5b), N(Ar5a)(Z5a), or N(Z5a)(Z5b),
• X6 is O, S, N(Ar6), or N(Z6),
• X7 is O, S, N(Ar7), or N(Z7),
• X8 is O, S, N(Ar8), or N(Z8),
• X9 is O, S, N(Ar9), or N(Z9),
• Ar1a, Ar1b, Ar2a, Ar2b, Ar3a, Ar3b, Ar4a, Ar4b, Ar5a, Ar5b, and Ar6 to Ar9 are each, independently from one another, a group of Formula 2,
• ring CY1 to ring CY7 are each, independently from one another, a C3-C60 carbocyclic group or a C1-C60 heterocyclic group,
• T1 is Se or Te,
• b1 to b7 are each, independently from one another, an integer from 0 to 8,
• Z1a, Z1b, Z2a, Z2b, Z3a, Z3b, Z4a, Z4b, Z5a, Z5b, Z6 to Z9, and R1 to R7 are each, independently from one another, hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, a C1-C60 alkyl group unsubstituted or substituted with at least one R10a, a C2-C60 alkenyl group unsubstituted or substituted with at least one R10a, a C2-C60 alkynyl group unsubstituted or substituted with at least one R10a, a C1-C60 alkoxy group unsubstituted or substituted with at least one R10a, a C3-C60 carbocyclic group unsubstituted or substituted with at least one R10a, a C1-C60 heterocyclic group unsubstituted or substituted with at least one R10a, a C6-C60 aryloxy group unsubstituted or substituted with at least one R10a, a C6-C60 arylthio group unsubstituted or substituted with at least one R10a, a C7-C60 aryl alkyl group unsubstituted or substituted with at least one R10a, a C2-C60 heteroaryl alkyl group unsubstituted or substituted with at least one R10a, —Si(Q1)(Q2)(Q3), —N(Q1)(Q2), —B(Q1)(Q2), —C(═O)(Q1), —S(═O)2(Q1), or —P(═O)(Q1)(Q2),
• c1 is an integer from 0 to 3,
• L1 is a single bond, a C5-C30 carbocyclic group unsubstituted or substituted with at least one R10a, or a C1-C30 heterocyclic group unsubstituted or substituted with at least one R10a,
• Formula 1 satisfies at least one of Conditions (1) to (9),
• Condition (1)
• a1 is an integer of 1 or more, and at least one of X1(s) in the number of a1 is N(Ar1a)(Ar1b) or N(Ar1a)(Z1a)
• Condition (2)
• a2 is an integer of 1 or more, and at least one of X2(s) in the number of a2 is N(Ar2a)(Ar2b) or N(Ar2a)(Z2a)
• Condition (3)
• a3 is an integer of 1 or more, and at least one of X3(s) in the number of a3 is N(Ar3a)(Ar3b) or N(Ar3a)(Z3a)
• Condition (4)
• a4 is an integer of 1 or more, and at least one of X4(s) in the number of a4 is N(Ar4a)(Ar4b) or N(Ar4a)(Z4a)
• Condition (5)
• a5 is an integer of 1 or more, and at least one of X5(s) in the number of a5 is N(Ar5a)(Ar5b) or N(Ar5a)(Z5a)
• Condition (6)
• X6 is N(Ar6)
• Condition (7)
• X7 is N(Ar7)
• Condition (8)
• X8 is N(Ar8)
• Condition (9)
• X9 is N(Ar9),
• provided that when T1 is Se, Formula 1 satisfies at least two of Conditions (1) to (9),
• * in Formula 2 is a binding site to Formula 1, and
• R10a is:
• 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, independently from one another, 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, a C7-C60 aryl alkyl group, a C2-C60 heteroaryl alkyl 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, a C6-C60 arylthio group, a C7-Coo aryl alkyl group, or a C2-C60 heteroaryl alkyl 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, a C7-C60 aryl alkyl group, a C2-C60 heteroaryl alkyl 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),
• wherein Q1 to Q3, Q11 to Q13, Q21 to Q23, and Q31 to Q33 are each, independently from one another:
• 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;
• a C3-C60 carbocyclic group or a C1-C60 heterocyclic group each, independently from one another, 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;
• a C7-C60 aryl alkyl group;
• or a C2-C60 heteroaryl alkyl group.