Light-emitting device and electronic apparatus including the same

A light-emitting device comprising:

• a first electrode;
• a second electrode facing the first electrode;
• an interlayer between the first electrode and the second electrode and comprising an emission layer;
• a first compound represented by Formula 1;
• a second compound represented by Formula 2;
• and
• at least one of a third compound represented by Formula 3 and a fourth compound represented by Formula 4, wherein
• the first compound to the fourth compound are different from each other:
• wherein in Formulae 1 to 4,
• L11 to L14, L21 to L23, L31, L32, L41, and L42 are each independently a single bond, a C5-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,
• n11 to n14, n21 to n23, n31, n32, n41, and n42 are each independently an integer from 1 to 3,
• Ar11 to Ar14, Ar21, and Ar22 are each independently a C5-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,
• R21 and R22 are each independently a C1-C30 alkyl group or a C3-C30 cycloalkyl group, each unsubstituted or substituted with deuterium, —F, a cyano group, a C1-C10 alkyl group, or a combination thereof,
• R31 and R32 are each independently a C3-C30 cycloalkyl group that is unsubstituted or substituted with deuterium, —F, a cyano group, a C1-C10 alkyl group, or a combination thereof,
• CY1 is a benzene group or a naphthalene group,
• CY41 and CY42 are each independently a C5-C30 carbocyclic group, and
• T3 and T4 are each independently a group represented by Formula 5,
• wherein in Formula 5,
• T is C(X1)(X2), O, S, or N(X1),
• X1 and X2 are each independently a C1-C30 alkyl group unsubstituted or substituted with at least one R10a, a C2-C30 alkenyl group unsubstituted or substituted with at least one R10a, 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, and
• X1 and X2 are optionally linked to each other to form a C5-C30 carbocyclic group that is unsubstituted or substituted with at least one R10a or a C1-C30 heterocyclic group that is unsubstituted or substituted with at least one R10a,
• wherein in Formulae 1 to 5,
• R11, R23, R41, R42, and RT are each independently 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, —Si(Q1)(Q2)(Q3), —N(Q1)(Q2), —B(Q1)(Q2), —P(Q1)(Q2), —C(═O)(Q1), —S(═O)2(Q1), or —P(═O)(Q1)(Q2),
• a11 is an integer from 0 to 6,
• a23 is an integer from 0 to 7,
• a31 and a32 are each independently an integer from 1 to 5,
• a41 and a42 are each independently an integer from 0 to 9,
• at is an integer from 0 to 7,
• * indicates a binding site to a neighboring atom,
• 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 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 arylalkyl group, a C2-C60 heteroarylalkyl group, —Si(Q11)(Q12)(Q13), —N(Q11)(Q12), —B(Q11)(Q12), —C(═O)(Q11), —S(═O)2(Q11), —P(═O)(Q11)(Q12), or a combination thereof;
• a C3-C60 carbocyclic group, a C1-C60 heterocyclic group, a C6-C60 aryloxy group, a C6-C60 arylthio group, a C7-C60 arylalkyl group, or a C2-C60 heteroarylalkyl 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 arylalkyl group, a C2-C60 heteroarylalkyl group, —Si(Q21)(Q22)(Q23), —N(Q21)(Q22), —B(Q21)(Q22), —C(═O)(Q21), —S(═O)2(Q21), —P(═O)(Q21)(Q22), or a 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), and
• 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;
• 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, a C1-C60 heterocyclic group, a C7-C60 arylalkyl group, or a C2-C60 heteroarylalkyl 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 a combination thereof.