Organic electroluminescence device and amine compound for organic electroluminescence device
An organic electroluminescence device comprising an amine compound is represented by Formula 1 as a hole transport material. where Ar 1 , Ar 2 , Ar 3 , and L 1 are as defined in the specification.
1. An organic electroluminescence device, comprising:
a first electrode;
a hole transport region disposed on the first electrode;
an emission layer disposed on the hole transport region;
an electron transport region disposed on the emission layer; and
a second electrode disposed on the electron transport region,
wherein the hole transport region comprises an amine compound represented by the following Formula 1:
where Ar 1 and Ar 2 are each independently a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 30 ring carbon atoms,
Ar 3 is a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms, provided that when Ar 3 is substituted, a substituent is at least one of deuterium, a silyl group, an alkyl group, or an aryl group, and
L 1 is a substituted or unsubstituted arylene group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroarylene group having 2 to 30 ring carbon atoms.
2. The organic electroluminescence device as claimed in claim 1 , wherein the hole transport region comprises:
a hole injection layer disposed on the first electrode; and
a hole transport layer disposed on the hole injection layer, and
the hole transport layer comprises the amine compound represented by Formula 1.
3. The organic electroluminescence device as claimed in claim 2 , wherein the hole transport layer contacts the emission layer.
4. The organic electroluminescence device as claimed in claim 1 , wherein Ar 3 is a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, or a substituted or unsubstituted phenanthryl group.
5. The organic electroluminescence device as claimed in claim 1 , wherein Ar 1 and Ar 2 are each independently a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthylphenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted terphenyl group, a substituted or unsubstituted phenanthryl group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group.
6. The organic electroluminescence device as claimed in claim 1 , wherein at least one of Ar 1 or Ar 2 is the substituted or unsubstituted heteroaryl group, or at least one of Ar 1 or Ar 2 includes a polycyclic ring.
7. The organic electroluminescence device as claimed in claim 1 , wherein at least one of Ar 1 or Ar 2 is a substituted or unsubstituted naphthylphenyl group, a substituted or unsubstituted phenanthryl group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group.
8. The organic electroluminescence device as claimed in claim 1 , wherein Formula 1 is represented by one of the following Formula 1-1 to Formula 1-4:
in Formula 1-1,
Ar 4 is a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms, and
Ar 1 , Ar 3 , and L 1 are the same as defined in claim 1 ,
in Formula 1-2,
Y 1 and Y 2 are each independently a hydrogen atom, a deuterium atom, a halogen atom, an alkyl group, or an aryl group, or may be combined with an adjacent group to form a ring,
m1 and m2 are each independently an integer of 0 to 5, and
Ar 1 and L 1 are the same as defined in claim 1 ,
in Formula 1-3,
X 1 is 0 or S, and
Ar 2 , Ar 3 , and L 1 are the same as defined in claim 1 ,
in Formula 1-4,
X 1 and X 2 are each independently O or S, and
Ar 3 , and L 1 are the same as defined in claim 1 .
9. The organic electroluminescence device as claimed in claim 1 , wherein L 1 is represented by the following Formula 2-1 or 2-2:
where R 1 to R3 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 30 ring carbon atoms, and
n 1 to n 3 are each independently an integer of 0 to 4.
10. The organic electroluminescence device as claimed in claim 9 , wherein L 1 is represented by the following Formula 2-3 or 2-4:
where R 1 to R 3 , and n 1 to n 3 are the same as defined in claim 9 .
11. The organic electroluminescence device as claimed in claim 9 , wherein L 1 is represented by the following Formula 2-5 or 2-6:
where R 1 to R 3 , and n 1 to n 3 are the same as defined in claim 9 .
12. The organic electroluminescence device as claimed in claim 1 , wherein the amine compound represented by Formula 1 is any one selected from compounds represented in the following Compound Groups 1 to 5:
13. An organic electroluminescence device, comprising:
a first electrode;
a hole transport region disposed on the first electrode;
an emission layer disposed on the hole transport region;
an electron transport region disposed on the emission layer; and
a second electrode disposed on the electron transport region,
wherein the hole transport region comprises an amine compound represented by the following Formula 1:
where Ar 1 and Ar 2 are each independently a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 30 ring carbon atoms,
Ar 3 is a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms, and
L 1 is a substituted or unsubstituted arylene group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroarylene group having 2 to 30 ring carbon atoms,
wherein the hole transport region includes:
a hole injection layer disposed on the first electrode;
a first hole transport layer disposed on the hole injection layer; and
a second hole transport layer disposed on the first hole transport layer, the second hole transport layer being adjacent to the emission layer, and
the second hole transport layer comprises the amine compound represented by Formula 1.
14. An amine compound represented by the following Formula 1:
where Ar 1 and Ar 2 are each independently a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 30 ring carbon atoms,
Ar 3 is a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms, provided that when Ar 3 is substituted, a substituent is at least one of deuterium, a silyl group, an alkyl group, or an aryl group, and
L 1 is a substituted or unsubstituted arylene group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroarylene group having 2 to 30 ring carbon atoms.
15. The amine compound as claimed in claim 14 , wherein Ar 3 is a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, or a substituted or unsubstituted phenanthryl group.
16. The amine compound as claimed in claim 14 , wherein L 1 is a substituted or unsubstituted phenylene group, a substituted or unsubstituted divalent biphenyl group, a substituted or unsubstituted dibenzofuranylene group, or substituted or unsubstituted dibenzothiophenylene group.
17. The amine compound as claimed in claim 14 , wherein L 1 is a group represented by the following Formula 2-1 or 2-2:
where R 1 to R 3 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroaryl group having 2 to 30 ring carbon atoms, and
n 1 to n 3 are each independently an integer of 0 to 4.
18. The amine compound as claimed in claim 17 , wherein L 1 is represented by the following Formula 2-3 or 2-4:
where R 1 to R 3 , and n 1 to n 3 are the same as defined in claim 17 .
19. The amine compound as claimed in claim 17 , wherein L 1 is represented by the following Formula 2-5 or 2-6:
where R 1 to R 3 , and n 1 to n 3 are the same as defined in claim 17 .
20. The amine compound as claimed in claim 14 , wherein Ar 1 and Ar 2 are each independently a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthylphenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted terphenyl group, a substituted or unsubstituted phenanthryl group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group.
21. The amine compound as claimed in claim 14 , wherein at least one of Ar 1 or Ar 2 is the substituted or unsubstituted heteroaryl group, or at least one of Ar 1 or Ar 2 includes a polycyclic ring.
22. The amine compound as claimed in claim 14 , wherein at least one of Ar 1 or Ar 2 is a substituted or unsubstituted naphthylphenyl group, a substituted or unsubstituted phenanthryl group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group.
23. The amine compound as claimed in claim 14 , wherein Formula 1 is represented by one of the following Formula 1-1 to Formula 1-4:
in Formula 1-1,
Ar 4 is a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms, and
Ar 1 , Ar 3 , and L 1 are the same as defined in claim 14 ,
in Formula 1-2,
Y 1 and Y 2 are each independently a hydrogen atom, a deuterium atom, a halogen atom, an alkyl group, or an aryl group, or may be combined with an adjacent group to form a ring,
m 1 and m 2 are each independently an integer of 0 to 5, and
Ar 1 and L 1 are the same as defined in claim 14 ,
in Formula 1-3,
X 1 is 0 or S, and
Ar 2 , Ar 3 , and L 1 are the same as defined in claim 14 ,
in Formula 1-4,
X 1 and X 2 are each independently O or S, and
Ar 3 , and L 1 are the same as defined in claim 14 .
24. The amine compound as claimed in claim 14 , wherein the amine compound represented by Formula 1 is any one selected from compounds represented in the following Compound Groups 1 to 5: