Aromatic amine derivative and electroluminescence device using the same

1. 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 aryl group having 5 to 50 ring carbon atoms which said substituted aryl group is substituted by an alkyl group having 1 to 4 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, an amino group substituted with a substituted or non-substituted aryl group having 5 to 50 ring carbon atoms, a halogen atom, a cyano group, a nitro group, a hydroxyl group or a carboxyl group;

X is a sulfur 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;

plural R 4 or R 5 or R 6 may be combined with each other to form a cyclic structure of a saturated or unsaturated five-membered ring or six-membered ring which may be substituted;

when i is 2 or more and h is not 0, plural R 6 may be combined with each other to form a cyclic structure of a saturated or unsaturated five-membered ring or six-membered ring which may be substituted;

in formula (5), among Ar 7 to Ar 9 , the groups which are not represented by formula (3) each are independently a biphenyl group, a terphenylgroup, or a 9,9-dimethylfluorenyl group.

2. The aromatic amine compound as described in claim 1 , wherein only one of Ar 7 to Ar 9 is represented by the formula (3).

3. The aromatic amine compound as described in claim 1 , wherein in the case of i is 2, plural R 6 is combined with each other to form a cyclic structure of a saturated or unsaturated five-membered ring which may be substituted.

4. The aromatic amine compound as described in claim 2 , wherein in the case of i is 2, plural R 6 is combined with each other to form a cyclic structure of a saturated or unsaturated five-membered ring which may be substituted.

5. The aromatic amine compound as described in claim 1 , wherein it is a material for an organic electroluminescence device.

6. The aromatic amine compound as described in claim 1 , wherein it is a hole injecting material or a hole transporting material for an organic electroluminescence device.

7. An organic electroluminescence device in which an organic thin layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a cathode and an anode, wherein at least one layer of the above organic thin layer contains the aromatic amine derivative as described in claim 1 in the form of a single component or a mixed component.

8. An organic electroluminescence device in which an organic thin layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a cathode and an anode, wherein at least one layer of the above organic thin layer contains the aromatic amine derivative as described in claim 1 in the form of a single component or a mixed component, wherein the organic thin layer described above comprises a hole injecting layer or a hole transporting layer, and wherein the aromatic amine derivative as described in claim 1 is contained in the above hole injecting layer or hole transporting layer.

9. The organic electroluminescence device as described in claim 7 , wherein styrylamine and/or arylamine is contained in the light emitting layer described above.

10. The organic electroluminescence device as described in claim 7 emitting blue light.

11. The organic electroluminescence device as described in claim 8 emitting blue light.