Aromatic amine derivative and electroluminescence device using the same
Provided are a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin layer comprising a single layer or plural layers including a light emitting layer is interposed between a cathode and an anode, wherein at leas one layer of the above organic thin layer contains the aromatic amine derivative described above in form of a single component or a mixed component. Thus, the organic electroluminescence device is less liable to be crystallized in molecules, improved in a yield in producing the organic electroluminescence device and extended in a lifetime.
1. An organic electroluminescence device, comprising an organic thin layer comprising a single layer or plural layers including at least a light emitting layer interposed between a cathode and an anode,
wherein at least one layer of the organic thin layer comprises an aromatic amine derivative represented by the following formula (5) in the form of a single component or a mixed component,
wherein at least one of Ar 7 to Ar 9 is represented by the following formula (3):
wherein
R 4 to R 6 each are independently a hydrogen atom, a non-substituted aryl group having 5 to 50 ring carbon atoms, a substituted or non-substituted alkyl group having 1 to 50 carbon atoms, a substituted or non-substituted alkoxy group having 1 to 50 carbon atoms, a substituted or non-substituted aralkyl group having 6 to 50 carbon atoms, a substituted or non-substituted aryloxy group having 5 to 50 ring carbon atoms, a substituted or non-substituted arylthio group having 5 to 50 ring carbon atoms, a substituted or non-substituted alkoxycarbonyl group having 2 to 50 carbon atoms, a halogen atom, a cyano group, a nitro group, a hydroxyl group or a carboxyl group;
X is a sulfur atom or an oxygen atom;
f and h each are an integer of 0 to 4;
g is an integer of 0 to 3; and
i is an integer of 1 to 3;
in formula (5), among Ar 7 to Ar 9 , the groups which are not represented by formula (3) each are independently a substituted or non-substituted aryl group having 10 to 50 ring carbon atoms.
2. The organic electroluminescence device of claim 1 ,
wherein R 4 is a hydrogen atom or a non-substituted aryl group having 5 to 50 ring carbon atoms.
3. The organic electroluminescence device of claim 1 ,
wherein R 4 to R 6 each are independently a hydrogen atom, a non-substituted aryl group having 5 to 50 ring carbon atoms.
4. The organic electroluminescence device of claim 1 ,
wherein X is an oxygen atom.
5. The organic electroluminescence device of claim 1 ,
wherein R 4 to R 6 each are independently phenyl, naphthyl, biphenyl, anthranyl, phenanthryl, pyrenyl, chrysenyl, fluoranthenyl or fluorenyl.
6. The organic electroluminescence device of claim 1 ,
wherein R 4 to R 6 each are independently phenyl, naphthyl or biphenyl.
7. The organic electroluminescence device of claim 1 ,
wherein R 4 to R 6 each are independently a hydrogen atom, a non-substituted aryl group having 5 to 50 ring carbon atoms; and
X is an oxygen atom.
8. The organic electroluminescence device of claim 1 ,
wherein R 4 to R 6 each are independently a hydrogen atom, phenyl, naphthyl or biphenyl; and
X is an oxygen atom.
9. The organic electroluminescence device of claim 1 ,
wherein the organic thin layer comprises a hole injecting layer or a hole transporting layer;
the hole injecting layer or the hole transporting layer is interposed between the anode and the light emitting layer; and
the hole injecting layer or the hole transporting layer comprises the aromatic amine derivative.
10. The organic electroluminescence device of claim 9 ,
wherein the hole transporting layer comprises the aromatic amine derivative.
11. The organic electroluminescence device of claim 9 ,
wherein the hole injecting layer comprises the aromatic amine derivative.
12. The organic electroluminescence device of claim 9 ,
wherein R 4 to R 6 each are independently a hydrogen atom, a non-substituted aryl group having 5 to 50 ring carbon atoms.
13. The organic electroluminescence device of claim 9 ,
wherein R 4 to R 6 each are independently a hydrogen atom, phenyl, naphthyl or biphenyl.
14. The organic electroluminescence device of claim 9 ,
wherein R 4 to R 6 each are independently a hydrogen atom, phenyl, naphthyl or biphenyl; and
X is an oxygen atom.
15. An aromatic amine derivative represented by the following formula (5):
wherein at least one of Ar 7 to Ar 9 is represented by the following formula (3):
wherein
R 4 to R 6 each are independently a hydrogen atom, a non-substituted aryl group having 5 to 50 ring carbon atoms, a substituted or non-substituted alkyl group having 1 to 50 carbon atoms, a substituted or non-substituted alkoxy group having 1 to 50 carbon atoms, a substituted or non-substituted aralkyl group having 6 to 50 carbon atoms, a substituted or non-substituted aryloxy group having 5 to 50 ring carbon atoms, a substituted or non-substituted arylthio group having 5 to 50 ring carbon atoms, a substituted or non-substituted alkoxycarbonyl group having 2 to 50 carbon atoms, a halogen atom, a cyano group, a nitro group, a hydroxyl group or a carboxyl group;
X is a sulfur atom or an oxygen atom;
f and h each are an integer of 0 to 4;
g is an integer of 0 to 3; and
i is an integer of 1 to 3;
in formula (5), among Ar 7 to Ar 9 , the groups which are not represented by formula (3) each are independently a substituted or non-substituted aryl group having 10 to 50 ring carbon atoms.
16. The aromatic amine derivative of claim 15 ,
wherein R 4 is a hydrogen atom or a non-substituted aryl group having 5 to 50 ring carbon atoms.
17. The aromatic amine derivative of claim 15 ,
wherein R 4 to R 6 each are independently a hydrogen atom, a non-substituted aryl group having 5 to 50 ring carbon atoms.
18. The aromatic amine derivative of claim 15 ,
wherein X is an oxygen atom.
19. The aromatic amine derivative of claim 15 ,
wherein R 4 to R 6 each are independently phenyl, naphthyl, biphenyl, anthranyl, phenanthryl, pyrenyl, chrysenyl, fluoranthenyl or fluorenyl.
20. The aromatic amine derivative of claim 15 ,
wherein R 4 to R 6 each are independently phenyl, naphthyl or biphenyl.