Light-emitting device and an electronic device including the same

Patent metadata

Field	Value
Publication number	US-12069890-B2
Application number	US-202117551016-A
Country	US
Kind code	B2
Filing date	Dec 14, 2021
Priority date	Dec 16, 2020
Publication date	Aug 20, 2024
Grant date	Aug 20, 2024

Abstract

A light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode and including an emission layer; and a first capping layer and a second capping layer outside the second electrode, wherein the first capping layer includes at least one compound selected from compounds represented by Formulae 1-1 to 1-3, as defined herein, and the second capping layer includes at least one compound selected from compounds represented by Formulae 2-1 to 2-6, as defined herein.

First claim

What is claimed is:

1. 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; and
a first capping layer and a second capping layer outside the second electrode,
wherein the first capping layer comprises at least one compound selected from compounds represented by Formulae 1-1 to 1-3, and
the second capping layer comprises at least one compound selected from compounds represented by Formulae 2-1 to 2-6:

wherein, in Formulae 1-1, 2-2, and 2-6,
n8 is 0 or 1,
when n8 is 0, (A 8 ) n8 is represented by *—R 8 ,
when n8 is 1, (A 8 ) n8 is represented by Formula 1A,

n45 is 1 or 2,
when n45 is 1, A 45 is: *—O—*′; *—S—*′; *—Se—*′; *—N(R 45a )—*; *—C(R 45a )(R 45b )—*′; *—Si(R 45a )(R 45b )—*; *—S(═O) 2 —*; *—P(═O)(R 45a )—*′; a C 3 -C 60 carbocyclic group unsubstituted or substituted with at least one R 10a , or a C 1 -C 60 heterocyclic group unsubstituted or substituted with at least one R 10a ,
when n45 is 2, A 45 is a C 3 -C 60 carbocyclic group unsubstituted or substituted with at least one R 10a or a C 1 -C 60 heterocyclic group unsubstituted or substituted with at least one R 10a ,
n89 is 0 or 1,
when n89 is 0, A 89 is *—N(R 89a )(R 89b ), a C 3 -C 60 carbocyclic group unsubstituted or substituted with at least one R 10a , or a C 1 -C 60 heterocyclic group unsubstituted or substituted with at least one R 10a ,
when n89 is 1, A 89 is: *—O—*′; *—S—*′; *—Se—*′; *—N(R 89a )—*′; *—C(R 89a )(R 89b )—*′; *—Si(R 89a )(R 89b )—*′; *—S(═O) 2 —*′; *—P(═O)(R 89a )—*′; a C 3 -C 60 carbocyclic group unsubstituted or substituted with at least one R 10a , or a C 1 -C 60 heterocyclic group unsubstituted or substituted with at least one R 10a ,
wherein, in Formulae 1-1, 1-A, 1-2, 1-3, 1-1-1, 2-1, 2-2, 2-3, 2-4, 2-5, and 2-6,
X 1 is C-(L 1 ) a1 -R 1 or N,
X 2 is C-(L 2 ) a2 -R 2 or N,
X 3 is C-(L 3 ) a3 -R 3 or N,
X 4 is C-(L 4 ) a4 -R 4 or N,
X 1a is C-(L 1a ) a1a -R 1a or N,
X 2a is C-(L 2a ) a2a -R 2a or N,
X 3a is C-(L 3a ) a3a -R 2a or N,
X 4a is C-(L 4a ) a4a -R 4a or N,
X 81 is C(R 81a )(R 81b ), Si(R 81a )(R 81b ), N(R 81a ), O, S, or Se,
X 82 is C(R 82a ) or N,
X 83 is C(R 83a )(R 83b ), Si(R 83a )(R 83b ), N(R 83a ), O, S, or Se,
X 84 is C(R 84a ) or N,
ring A 1 is a substituted or unsubstituted benzene ring,
ring A 2 is a 5-membered ring represented by Formula 2A,

wherein, in Formula 2A,
X 74 is C(R 74a )(R 74b ), Si(R 74a )(R 74b ), N(R 74a ), O, S, or Se,
L 1 to L 8 , L 1a to L 7a , L 11 to L 13 , L 21 to L 25 , L 31 to L 33 , L 41 to L 44 , L 51 to L 52 , L 61 , L 66 , L 67 , L 71 , L 85 , and L 86 are each, independently from one another: *—O—*′; *—S—*′; *—Se—*′; *—N(R 10 )—*′; *—C(R 10 )(R 20 )—*′; *—Si(R 10 )(R 20 )—*′; *—S(═O) 2 —*′; *—P(═O)(R 10 )—*′; a C 3 -C 60 carbocyclic group unsubstituted or substituted with at least one R 10a , or a C 1 -C 60 heterocyclic group unsubstituted or substituted with at least one R 10a ,
a1 to 8, a1a to a7a, a11 to a13, a21 to a25, a31 to a33, a41 to a45, a51 to a52, a61, a66, a67, a71, a85, and a86 are each, independently from one another, an integer from 1 to 5,
R 1 to R 8 , R 1a to R 7a , R 10 , R 20 , R 11 to R 13 , R 21 to R 24 , R 31 to R 33 , R 41 to R 44 , R 45a , R 45b , R 51 to R 54 , R 61 to R 66 , R 71 to R 73 , R 74a , R 74b , R 81a , R 81b , R 82a , R 83a , R 83b , R 84a , R 87 , R 88 , R 89a , and R 89b are each independently selected from hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, a C 1 -C 60 alkyl group unsubstituted or substituted with at least one R 10a , a C 2 -C 60 alkenyl group unsubstituted or substituted with at least one R 10a , a C 2 -C 60 alkynyl group unsubstituted or substituted with at least one R 10a , a C 1 -C 60 alkoxy group unsubstituted or substituted with at least one R 10a , a C 3 -C 60 carbocyclic group unsubstituted or substituted with at least one R 10a , a C 1 -C 60 heterocyclic group unsubstituted or substituted with at least one R 10a , a C 6 -C 60 aryloxy group unsubstituted or substituted with at least one R 10a , a C 6 -C 60 arylthio group unsubstituted or substituted with at least one R 10a , —Si(Q 1 )(Q 2 )(Q 3 ), —N(Q 1 )(Q 2 ), —B(Q 1 )(Q 2 ), —C(═O)(Q 1 ), —S(═O) 2 (Q 1 ), and —P(═O)(Q 1 )(Q 2 ),
b53, b54, b62, b65, b72, b73, b87, and b88 are each, independently from one another, an integer from 0 to 4,
b63 and b64 are each, independently from one another, an integer from 0 to 3,
two neighboring groups among R 1 to R 8 , R 1a to R 7a , R 10 , R 20 , R 11 to R 13 , R 21 to R 24 , R 31 to R 33 , R 41 to R 44 , R 45a , R 45b , R 51 to R 54 , R 61 to R 66 , R 71 to R 73 , R 74a , R 74b , R 81a , R 81b , R 82a , R 83a , R 83b , R 84a , R 87 , R 88 , R 89a , and R 89b are optionally linked to each other, via a single bond, a C 1 -C 5 alkylene group unsubstituted or substituted with at least one R 10a , or a C 2 -C 5 alkenylene group unsubstituted or substituted with at least one R 10a , to form a C 3 -C 60 carbocyclic group unsubstituted or substituted with at least one R 10a or a C 1 -C 60 heterocyclic group substituted or unsubstituted at least one R 10a ,
R 10a is:
deuterium (-D), —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, or a nitro group;
a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, or a C 1 -C 60 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 C 3 -C 60 carbocyclic group, a C 1 -C 60 heterocyclic group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, —Si(Q 11 )(Q 12 )(Q 13 ), —N(Q 11 )(Q 12 ), —B(Q 11 )(Q 12 ), —C(═O)(Q 11 ), —S(═O) 2 (Q 11 ), —P(═O)(Q 11 )(Q 12 ), or any combination thereof,
a C 3 -C 60 carbocyclic group, a C 1 -C 60 heterocyclic group, a C 6 -C 60 aryloxy group, or a C6-C 60 arylthio 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 C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, a C 1 -C 60 alkoxy group, a C 3 -C 60 carbocyclic group, a C 1 -C 60 heterocyclic group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, —Si(Q 21 )(Q 22 )(Q 23 ), —N(Q 21 )(Q 22 ), —B(Q 21 )(Q 22 ), —C(═O)(Q 21 ), —S(═O) 2 (Q 21 ), —P(═O)(Q 21 )(Q 22 ), or any combination thereof; or
—Si(Q 31 )(Q 32 )(Q 33 ), —N(Q 31 )(Q 32 ), —B(Q 31 )(Q 32 ), —C(═O)(Q 31 ), —S(═O) 2 (Q 31 ), or —P(═O)(Q 31 )(Q 32 ),
wherein Q 1 to Q 3 , Q 11 to Q 13 , Q 21 to Q 23 , and Q 31 to Q 33 are each, independently from one another: hydrogen; deuterium; —F; —Cl; —Br; —I; a hydroxyl group; a cyano group; a nitro group; a C 1 -C 60 alkyl group; a C 2 -C 60 alkenyl group; a C 2 -C 60 alkynyl group; a C 1 -C 60 alkoxy group; or a C 3 -C 60 carbocyclic group or a C 1 -C 60 heterocyclic group, each, independently from one another unsubstituted or substituted with deuterium, —F, a cyano group, a C 1 -C 60 al

Assignees

• Samsung Display Co Ltd

Inventors

• Choi Hyewon
• Kim Soungwook
• Kim Seulong
• Bae Sungsoo
• Jeong Hyein
• Hur Jaeweon

Classifications

• H10K59/12

  Active-matrix OLED [AMOLED] displays · CPC title

• H10K59/879

  comprising refractive means, e.g. lenses · CPC title

• H10K59/872

  Containers · CPC title

• H10K50/858 Primary

  comprising refractive means, e.g. lenses · CPC title

• H10K50/844 Primary

  Encapsulations · CPC title