| CPC H10K 85/656 (2023.02) [H10K 85/631 (2023.02); H10K 85/6572 (2023.02)] | 20 Claims |
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1. 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 comprising an emission layer,
wherein the interlayer further comprises a hole transport region between the first electrode and the emission layer,
the hole transport region comprises a compound represented by Formula 201, a compound represented by Formula 202, or any combination thereof, and
the emission layer comprises at least one condensed cyclic compound represented by Formula 1-1 or 1-2:
 wherein, in Formulae 1-1 and 1-2,
A1 is *—(CR1aR1b)m1—*′,
A2 is *—(CR2aR2b)m2—*′,
A3 is *—(CR3aR3b)m3—*′,
A4 is *—(CR4aR4b)m4—*′,
m1 to m4 are each independently an integer from 1 to 3,
* and *′ each indicate a binding site to a neighboring atom,
X1 is O, S, Se, or N(Z1a),
X2 is O, S, Se, or N(Z2a),
X3 is O, S, Se, or N(Z3a),
X4 is O, S, Se, or N(Z4a),
R1 to R5, R1a to R4a, R1b to R4b, and Z1a to Z4a 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), —C(═O)(Q1), —S(═O)2(Q1), or —P(═O)(Q1)(Q2),
d3 and d4 are each independently an integer from 1 to 4,
d5 is an integer from 1 to 3,
two or more groups selected from R1 to R5, R1a to R4a, R1b to R4b, and Z1a to Z4a are optionally linked to form a C5-C30 carbocyclic group unsubstituted or substituted with at least one R10a or a C2-C30 heterocyclic group unsubstituted or substituted with at least one R10a,
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 phenyl group, a biphenyl group, or any combination thereof,
wherein, in Formulae 201 and 202,
L201 to L204 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,
L205 is *—O—*′, *—S—*′, *—N(Q201)-*′, a C1-C20 alkylene group unsubstituted or substituted with at least one R10a, a C2-C20 alkenylene group unsubstituted or substituted with at least one R10a, 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,
xa1 to xa4 are each independently an integer from 0 to 5,
xa5 is an integer from 1 to 10,
R201 to R204 and Q201 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,
R201 and R202 are optionally linked to each other via a single bond, a C1-C5 alkylene group unsubstituted or substituted with at least one R10a, or a C2-C5 alkenylene group unsubstituted or substituted with at least one R10a, to form a C8-C60 polycyclic group unsubstituted or substituted with at least one R10a,
R203 and R204 are optionally linked to each other via a single bond, a C1-C5 alkylene group unsubstituted or substituted with at least one R10a, or a C2-C5 alkenylene group unsubstituted or substituted with at least one R10a, to form a C8-C60 polycyclic group unsubstituted or substituted with at least one R10a, and
na1 is an integer from 1 to 4.
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