Patent ID: 11910706
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 15:
16. A light-emitting device comprising:
a first electrode;
a second electrode facing the first electrode; and
an interlayer between the first electrode and the second electrode and including an emission layer,
wherein the light-emitting device further comprises a second capping layer outside the second electrode, the second capping layer having a refractive index of equal to or greater than 1.6, and
the emission layer comprises at least one heterocyclic compound represented by Formula 1:, wherein, in Formula 1,
X2 is O, S, Se, C(Z2a)(Z2b), or N(Z2a),
X3 is O, S, Se, C(Z3a)(Z3b), or N(Z3a),
X4 is O, S, Se, C(Z4a)(Z4b), or N(Z4a),
ring CY1 to ring CY4 are each independently a C3-C60 carbocyclic group or a C1-C60 heterocyclic group,
R0 to R5, Z2a, Z2b, Z3a, Z3b, Z4a, and Z4b are each independently hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, a C1-C6 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), —C(═O)(Q1), —S(═O)2(Q1), or —P(═O)(Q1)(Q2),
a1 to a4 are each independently an integer selected from 0 to 20,
a56 is an integer selected from 0 to 6,
Z2a or Z2b is optionally linked to R2 to form a C3-C60 carbocyclic group that is unsubstituted or substituted with at least one R10a, or a C1-C6 heterocyclic group that is unsubstituted or substituted with at least one R10a,
Z3a or Z3b is optionally linked to R3 to form a C3-C60 carbocyclic group that is unsubstituted or substituted with at least one R10a, or a C1-C6 heterocyclic group that is unsubstituted or substituted with at least one R10a,
Z4a or Z4b is optionally linked to R4 to form a C3-C60 carbocyclic group that is unsubstituted or substituted with at least one R10a, or a C1-C6 heterocyclic group that is unsubstituted or substituted with at least one R10a,
R10a is selected from:
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-C6 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-C6 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.