Compound for organic electronic element, organic electronic element using the same, and an electronic device thereof

Patent metadata

Field	Value
Publication number	US-11985894-B2
Application number	US-202318501355-A
Country	US
Kind code	B2
Filing date	Nov 3, 2023
Priority date	Oct 26, 2020
Publication date	May 14, 2024
Grant date	May 14, 2024

Abstract

Provided are a compound capable of improving the light-emitting efficiency, stability, and lifespan of an element; an organic electronic element using same; and an electronic device thereof.

First claim

What is claimed is:

1. A compound represented by Formula 1:

wherein:
R 1 , R 2 , R 3 , R 4 and R 5 being the same or different from each other, are each independently a hydrogen or deuterium, and a plurality of adjacent R 4 s or a plurality of adjacent R 5 s may be bonded to each other to form a benzene ring, wherein the benzene ring may be further substituted with one or more deuterium,
a is an integer of 0 to 5, b is an integer of 0 to 6, c and e are independently an integer of 0 to 4, d is an integer of 0 to 3,
Ar 1 is hydrogen, phenyl substituted or unsubstituted with deuterium, or naphthyl substituted or unsubstituted with deuterium.

2. The compound of claim 1 , wherein the compound represented by Formula 1 is any one of compounds P-1 to P-32:

3. A composition for an organic electronic element comprising a mixture of a compound according to claim 1 and a compound represented by Formula 4 or Formula 5:

wherein:
L 12 , L 13 , L 14 and L 15 are each independently selected from the group consisting of a single bond; a C 6 -C 60 arylene group; fluorenylene group; a C 2 -C 60 heterocyclic group including at least one heteroatom of O, N, S, Si or P; a fused ring group of a C 3 -C 60 aliphatic ring and a C 6 -C 60 aromatic ring;
Ar 12 , Ar 13 and Ar 14 are each independently selected from the group consisting of an C 6 -C 60 aryl group; fluorenyl group; a C 2 -C 60 heterocyclic group including at least one heteroatom of O, N, S, Si or P; a fused ring group of a C 3 -C 60 aliphatic ring and a C 6 -C 60 aromatic ring;
Ar 15 is selected from the group consisting of an C 6 -C 60 aryl group; fluorenyl group; a C 2 -C 60 heterocyclic group including at least one heteroatom of O, N, S, Si or P; a fused ring group of a C 3 -C 60 aliphatic ring and a C 6 -C 60 aromatic ring; and -L′—NR′R″;
Y 10 is O, S, CR 51 R 52 or NR 53 ,
Ring B is an C 6 ˜C 20 aryl group,
R 31 and R 32 being the same or different from each other, are each independently selected from the group consisting of a hydrogen; deuterium; halogen; cyano group;
an C 6 -C 60 aryl group; fluorenyl group; a C 2 -C 60 heterocyclic group including at least one heteroatom of O, N, S, Si or P; a fused ring group of a C 3 -C 60 aliphatic ring and a C 6 -C 60 aromatic ring; a C 1 -C 60 alkyl group; a C 2 -C 20 alkenyl group; a C 2 -C 20 alkynyl group; a C 1 -C 30 alkoxyl group; or a C 6 -C 30 aryloxy group; and a plurality of adjacent R 31 s or a plurality of adjacent R 32 s may be bonded to each other to form a ring,
R 51 , R 52 , R 53 , R′ and R″ are each independently selected from the group consisting of an C 6 -C 60 aryl group; fluorenyl group; a C 2 -C 60 heterocyclic group including at least one heteroatom of O, N, S, Si or P; a fused ring group of a C 3 -C 60 aliphatic ring and a C 6 -C 60 aromatic ring; a C 1 -C 60 alkyl group; a C 2 -C 20 alkenyl group; a C 2 -C 20 alkynyl group; a C 1 -C 30 alkoxyl group; and a C 6 -C 30 aryloxy group; or R 51 and R 52 may be bonded to each other to form a ring,
ba and bb are each independently an integer of 0 to 4,
wherein the aryl group, arylene group, heterocyclic group, fluorenyl group, fluorenylene group and fused ring group may be substituted with one or more substituents selected from the group consisting of deuterium; halogen; silane group; siloxane group; boron group; germanium group; cyano group; nitro group; C 1 -C 20 alkylthio group; C 1 -C 20 alkoxyl group; C 1 -C 20 alkyl group; C 2 -C 20 alkenyl group; C 2 -C 20 alkynyl group; C 6 -C 20 aryl group; C 6 -C 20 aryl group substituted with deuterium; a fluorenyl group; C 2 ˜C 20 heterocyclic group; C 3 -C 20 cycloalkyl group; C 7 -C 20 arylalkyl group; C 8 -C 20 arylalkenyl group; and -L′-NR′R″; and also the substituents may be bonded to each other to form a saturated or unsaturated ring, wherein the term ‘ring’ means a C 3 -C 60 aliphatic ring or a C 6 -C 60 aromatic ring or a C 2 -C 60 heterocyclic group or a fused ring formed by the combination thereof.

4. The composition for an organic electronic element of claim 3 , wherein the composition is for a host of an emitting layer.

5. The composition for an organic electronic element of claim 3 , wherein the compound represented by Formula 4 are represented by any one of compounds H-1 to H-124:

Assignees

• Duk San Neolux Co Ltd

Inventors

• Jin Hyo Min
• Song Hyun Ju
• Lee Junggeun

Classifications

• H10K85/6574 Primary

  comprising only oxygen in the heteroaromatic polycondensed ring system, e.g. cumarine dyes · CPC title

• C07D251/24 Primary

  to three ring carbon atoms · CPC title

• C09K11/06

  containing organic luminescent materials · CPC title

• H10K85/626

  containing more than one polycyclic condensed aromatic rings, e.g. bis-anthracene · CPC title

• H10K85/631

  Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine · CPC title