Compound for organic optoelectronic device, composition for organic optoelectronic device, organic optoelectronic device, and display device

Patent metadata

Field	Value
Publication number	US-12127474-B2
Application number	US-201916973867-A
Country	US
Kind code	B2
Filing date	Feb 26, 2019
Priority date	Jun 15, 2018
Publication date	Oct 22, 2024
Grant date	Oct 22, 2024

Abstract

The present invention is related to a first compound for an organic optoelectronic device represented by Chemical Formula 1, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device.
In Chemical Formula 1, definitions of each substituent are the same as defined in the specification.

First claim

The invention claimed is:

1. A compound for an organic optoelectronic device represented by Chemical Formula 1:

wherein, in Chemical Formula 1,
Ar 1 is an unsubstituted C6 aryl group or a substituted or unsubstituted C7 to C12 aryl group,
Ar 2 is a substituted or unsubstituted C6 to C12 aryl group,
Ar 3 and Ar 4 are independently a substituted or unsubstituted C6 to C30 aryl group,
L 1 is a single bond or a phenylene group,
L 2 to L 4 are independently a single bond or a substituted or unsubstituted C6 to C12 arylene group, and
R 1 and R 2 are independently hydrogen, deuterium, a cyano group, or a substituted or unsubstituted C1 to C10 alkyl group.

2. The compound for an organic optoelectronic device of claim 1 , wherein Chemical Formula 1 is represented by Chemical Formula 1A:

wherein, in Chemical Formula 1A,
Ar 1 is an unsubstituted C6 aryl group or a substituted or unsubstituted C7 to C12 aryl group,
Ar 2 is a substituted or unsubstituted C6 to C12 aryl group,
Ar 3 and Ar 4 are independently a substituted or unsubstituted C6 to C30 aryl group,
L 1 is a single bond or a phenylene group, and
L 2 to L 4 are independently a single bond or a substituted or unsubstituted C6 to C12 arylene group.

3. The compound for an organic optoelectronic device of claim 1 , wherein:
Ar 1 is an unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, or a substituted or unsubstituted naphthyl group, and
Ar 2 is a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, or a substituted or unsubstituted naphthyl group.

4. The compound for an organic optoelectronic device of claim 1 , wherein Ar 3 and Ar 4 are independently a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted terphenyl group, a substituted or unsubstituted anthracenyl group, or a substituted or unsubstituted phenanthrenyl group.

5. The compound for an organic optoelectronic device of claim 1 , wherein the compound is a compound of Group 1:

6. A composition for an organic optoelectronic device, comprising:
a first compound, the first compound being the compound for an organic optoelectronic device of claim 1 , and
a second compound for an organic optoelectronic device represented by Chemical Formula 2:

wherein, in Chemical Formula 2,
Z 1 to Z 3 are independently N or CR a ,
at least two of Z 1 to Z 3 are N,
R a is hydrogen, deuterium, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C3 to C30 heterocyclic group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a halogen, a cyano group, or a combination thereof,
L 5 to L 7 are independently a single bond, a substituted or unsubstituted C6 to C20 arylene group, a substituted or unsubstituted C2 to C20 heterocyclic group, or a combination thereof,
R 3 to R 5 are independently substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, or a combination thereof,
at least one of R 3 to R 5 is a substituted or unsubstituted dibenzofuranyl group, a substituted or unsubstituted dibenzothiophenyl group, a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted benzocarbazolyl group, a substituted or unsubstituted dibenzocarbazolyl group, or a substituted or unsubstituted triphenylene group, and
R a and R 3 to R 5 are independently present or adjacent groups thereof are linked with each other to form a substituted or unsubstituted aliphatic, aromatic, or heteroaromatic monocyclic or polycyclic ring.

7. The composition for an organic optoelectronic device of claim 6 , wherein the second compound for an organic optoelectronic device is represented by one of Chemical Formula 2B-1 to Chemical Formula 2B-4:

wherein, in Chemical Formulae 2B-1 to 2B-4,
Z 1 to Z 3 are independently N or CR a ,
at least two of Z 1 to Z 3 are N,
R a is hydrogen, deuterium, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C3 to C30 heterocyclic group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a halogen, a cyano group, or a combination thereof,
R 4 and R 5 are independently substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, or a combination thereof,
L 5 to L 7 are independently a single bond, a substituted or unsubstituted C6 to C20 arylene group, a substituted or unsubstituted C2 to C20 heterocyclic group, or a combination thereof,
X 1 to X 4 are independently O or S, and
R b1 to R b3 , R c1 to R c3 , R d1 to R d3 , and R e1 to R e3 , R s , and R t are independently hydrogen, deuterium, a substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a halogen, a cyano group, or a combination thereof.

8. The composition for an organic optoelectronic device of claim 6 , wherein the second compound for an organic optoelectronic device is represented by one of Chemical Formula 2C-1 to Chemical Formula 2C-12:

wherein, in Chemical Formula 2C-1 to Chemical Fo

Assignees

• Samsung Sdi Co Ltd
• Samsung Electronics Co Ltd

Inventors

• Kim Jun Seok
• Lui Jinhyun
• Kang Dong Min
• Won Jongwoo
• Lee Byoungkwan
• Lee Sangshin
• Shin Jihun
• Jang Jinseok
• Jung Sung-Hyun

Classifications

• H10K2101/10

  Triplet emission · CPC title

• H10K50/15

  Hole transporting layers · CPC title

• H10K50/11

  characterised by the electroluminescent [EL] layers · CPC title

• H10K85/6574

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

• H10K85/6572 Primary

  comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole · CPC title