Light-emitting device including organic compound, electronic apparatus and electronic device, each including the light-emitting device, and organic compound

A light-emitting device comprising:

• a first electrode;
• a second electrode opposite to the first electrode;
• an interlayer between the first electrode and the second electrode and comprising an emission layer;
• and
• an organic compound represented by Formula 1:
• wherein, in Formula 1,
• X1 and X2 are each independently N or C(R′),
• Ar1 to Ar4 are each independently
• 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,
• k is an integer from 0 to 5,
• l is an integer from 0 to 5,
• m is an integer from 0 to 5,
• n is an integer from 0 to 5,
• k+l+m+n equals an integer from 2 to 5,
• l+m+n equals an integer of 1 or more,
• Ar1 in the number of k are identical to or different from each other, Ar2 in the number of l are identical to or different from each other, Ar3 in the number of m are identical to or different from each other, Ar4 in the number of n are identical to or different from each other,
• L11, L12, L13, and L14 are each independently a carbazole group that is unsubstituted or substituted with at least one of R10a or —Si(Q1)(Q2)(Q3),
• n11, n12, n21, and n22 are each independently an integer from 0 to 5,
• when n11 is 0, L11 is a single bond, when n12 is 0, L12 is a single bond, and when n21 is 0, L21 is a single bond,
• R11 to R13, R21, R22, R′, E11, E21, and E22 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, —C(Q1)(Q2)(Q3), —Si(Q1)(Q2)(Q3), —N(Q1)(Q2), —B(Q1)(Q2), —C(═O)(Q1), —S(═O)2(Q1), or —P(═O)(Q1)(Q2),
• a11, a12, a13, a21, a22, b11, b21, and b22 are each independently an integer from 0 to 20, and R11 in the number of a11 are identical to or different from each other, R12 in the number of a12 are identical to or different from each other, R13 in the number of a13 are identical to or different from each other, R21 in the number of a21 are identical to or different from each other, R22 in the number of a22 are identical to or different from each other, E11 in the number of b11 are identical to or different from each other, E21 in the number of b21 are identical to or different from each other, and E22 in the number of b22 are identical to or different from each other,
• two or more selected from among R11 to R13, R21, R22, R′, E11, E21, and E22 are optionally bonded to each other to each other to form
• a C3-C60 carbocyclic group that is unsubstituted or substituted with at least one R10a or
• a C1-C60 heterocyclic group that is unsubstituted or substituted with at least one R10a,
• Formula 1 includes at least one deuterium, 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 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), 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 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 C3-C60 carbocyclic group, a C1-C60 heterocyclic group, or any combination thereof.