Monoamine compound and organic electroluminescence device including the same

Patent metadata

Field	Value
Publication number	US-10923663-B2
Application number	US-201715789274-A
Country	US
Kind code	B2
Filing date	Oct 20, 2017
Priority date	Oct 21, 2016
Publication date	Feb 16, 2021
Grant date	Feb 16, 2021

Abstract

Provided are a monoamine compound and an organic electroluminescence device including the same. The monoamine compound according to an example embodiment is represented by the following Formula 1

First claim

What is claimed is:

1. A monoamine compound represented by the following Formula 1:

wherein L 1 is a substituted or unsubstituted arylene group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroarylene group having 2 to 30 carbon atoms for forming a ring,
n is 1 or 2,
L 2 and L 3 are each independently a direct linkage, a substituted or unsubstituted arylene group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroarylene group having 2 to 30 carbon atoms for forming a ring,
R 1 is a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted aryl silyl group,
when R1 is substituted, the substituent is a deuterium atom, a cyano group, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring,
Ar1 and Ar2 are each independently a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, a substituted or unsubstituted dibenzofuranyl group, a substituted or unsubstituted dibenzothiophenyl group, a substituted or unsubstituted benzonaphthofuranyl group, or a substituted or unsubstituted benzonaphthothiophenyl group, and
wherein when at least one of L 2 , L 3 , Ar 1 and Ar 2 is substituted with a heterocycle, the heterocycle does not include N as a heteroatom.

2. The monoamine compound as claimed in claim 1 , wherein the monoamine compound represented by Formula 1 is represented by the following Formula 2-1:

in Formula 2-1,
m 1 is 0 or 1,
m 2 is an integer of 0 to 2,
R 2 is a hydrogen atom, a deuterium atom, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted aryl silyl group, or combines with an adjacent group to form a ring, and
Ar 1 , Ar 2 , L 1 , L 2 , L 3 , and R 1 are the same as defined for Formula 1.

3. The monoamine compound as claimed in claim 2 , wherein the monoamine compound represented by Formula 2-1 is represented by one of the following Formulae 2-1-1 to 2-1-3:

in Formulae 2-1-1 to 2-1-3,
Ar 1 and Ar 2 , L 2 and L 3 , and R 1 are the same as defined for Formula 1.

4. The monoamine compound of claim 3 , wherein
R 1 is a substituted or unsubstituted phenyl group,
L 3 is a substituted or unsubstituted phenylene group, and
Ar 2 is a substituted or unsubstituted naphthyl group.

5. The monoamine compound of claim 4 , wherein
L 2 is a substituted or unsubstituted phenylene group, and
Ar 1 is a substituted or unsubstituted phenyl group.

6. The monoamine compound of claim 4 , wherein
L 2 is a direct linkage, and
Ar 1 is a substituted or unsubstituted dibenzofuranyl group.

7. The monoamine compound as claimed in claim 1 , wherein the monoamine compound represented by Formula 1 is represented by the following Formula 2-2:

in Formula 2-2,
m 1 is 0 or 1,
m 2 is an integer of 0 to 2,
R 2 is a hydrogen atom, a deuterium atom, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted aryl silyl group, or combines with an adjacent group to form a ring, and
Ar 1 , Ar 2 , L 1 , L 2 , L 3 , and R 1 are the same as defined for Formula 1.

8. The monoamine compound as claimed in claim 4 , wherein the monoamine compound represented by Formula 2-2 is represented by one of the following Formulae 2-2-1 to 2-2-3:

in Formulae 2-2-1 to 2-2-3,
Ar 1 and Ar 2 , L 2 and L 3 and R 1 are the same as defined for Formula 1.

9. The monoamine compound as claimed in claim 1 , wherein L 1 is a substituted or unsubstituted phenylene group, a substituted or unsubstituted divalent biphenyl group, or a substituted or unsubstituted naphthylene group.

10. The monoamine compound as claimed in claim 1 , wherein R 1 is a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted biphenyl group, or a substituted or unsubstituted nitrogen-containing heteroaryl group.

11. The monoamine compound as claimed in claim 1 , wherein Ar 1 and Ar 2 are each independently a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted terphenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted phenanthryl group, or a substituted or unsubstituted fluorenyl group.

12. The monoamine compound as claimed in claim 1 , wherein Ar 1 and Ar 2 are each independently represented by the following Formula 3:

in case Ar 1 and Ar 2 are each independently represented by Formula 3,
in Formula 1, L 2 and L 3 are each independently a substituted or unsubstituted arylene group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroarylene group having 2 to 30 carbon atoms for forming a ring,
in Formula 3, R 3 is a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted aryl silyl group.

13. The monoamine compound as claimed in claim 1 , wherein Ar 1 and Ar 2 are each independently represented by the following Formula 4:

in Formula 4,
X is O or S,
R 4 and R 5 are each independently a hydrogen atom, a deuterium atom, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted aryl silyl group,
p is an integer of 0 to 4, and
q is an integer of 0 to 3.

14. The monoamine compound as claimed in claim 1 , wherein L 2 and L 3 are each independently a direct linkage, a substituted or unsubstituted phenylene group, a substituted or unsubstituted divalent biphenyl group, or a substituted or unsubstituted naphthylene group.

15. A mo

Assignees

• Samsung Display Co Ltd

Inventors

• Takada Ichinori
• YAMATANI Akinori
• Imada Ichiro
• Itoi Hiroaki

Classifications

• C07D213/38 Primary

  having only hydrogen or hydrocarbon radicals attached to the substituent nitrogen atom · CPC title

• H10K85/633

  comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom · CPC title

• C09K2211/1014

  bridged by heteroatoms, e.g. N, P, Si or B · CPC title

• C09K11/06

  containing organic luminescent materials · CPC title

• C07C211/61

  with at least one of the condensed ring systems formed by three or more rings · CPC title