Aromatic amine compound, organic electroluminescent element including the same, and display device including organic electroluminescent element
View Patent ↗An aromatic amine compound is represented by general formula [I]: wherein X 1 and X 2 each represent a group selected from an alkyl group, an aryl group, an allyl group, an alkoxy group, and an aryloxy group, X 1 and X 2 may be the same or different, Ar 1 and Ar 2 each represent an arylene group, n≧1, at least one of substituents Y is a substituent selected from a trifluoromethyl group, a cyano group, and a halogen group, and other substituents Y are groups each selected from a hydro group, an alkyl group, an aryl group, an allyl group, an alkoxy group, and an aryloxy group.
1. An aromatic amine compound represented by general formula [I]:
wherein X 1 is a phenyl group, X 2 is a 2-naphthyl group, Ar 1 is a 2,6-naphthylene group, and a group represented by general formula [a] is a 3-phenanthryl group having cyano groups at the 9-position and the 10-position and a methyl group at the 6-position, and
the aromatic amine compound is a tertiary amine compound represented by formula [Ia]
2. An organic electroluminescent element comprising:
an anode;
a cathode; and
an organic layer disposed between the anode and the cathode,
wherein at least one layer constituting the organic layer is an amine-compound-containing layer including, as a dopant material, at least one aromatic amine compound represented by general formula [I]:
wherein X 1 is a phenyl group, X 2 is a 2-naphthyl group, Ar 1 is a 2,6-naphthylene group, and a group represented by general formula [a] is a 3-phenanthryl group having cyano groups at the 9-position and the 10-position and a methyl group at the 6-position, and
the aromatic amine compound is a tertiary amine compound represented by formula [Ia]
3. The organic electroluminescent element according to claim 2 , wherein the organic layer has a structure in which a hole-transporting layer and an electron-transporting layer are stacked.
4. The organic electroluminescent element according to claim 3 , wherein at least the hole-transporting layer is the amine-compound-containing layer.
5. The organic electroluminescent element according to claim 3 , wherein at least the electron-transporting layer is the amine-compound-containing layer.
6. The organic electroluminescent element according to claim 2 , wherein the organic layer has a structure in which a hole-transporting layer, a light-emitting layer, and an electron-transporting layer are stacked.
7. The organic electroluminescent element according to claim 6 , wherein at least the light-emitting layer is the amine-compound-containing layer.
8. The organic electroluminescent element according to claim 6 ,
wherein the light-emitting layer is the amine-compound-containing layer containing the dopant material and a host material, and
the host material is a compound having an anthracene skeleton.
9. A display device comprising:
a pixel portion in which a plurality of pixels each including an organic electroluminescent element are arranged, the organic electroluminescent element including; and
an anode;
a cathode; and
an organic layer disposed between the anode and the cathode,
wherein at least one layer constituting the organic layer is an amine-compound-containing layer including, as a dopant material, at least one aromatic amine compound represented by general formula [I]:
a control unit configured to control a voltage applied to each of the pixels of the pixel portion,
wherein X 1 is a phenyl group, X 2 is a 2-naphthyl group, Ar 1 is a 2,6-naphthylene group, and a group represented by general formula [a] is a 3-phenanthryl group having cyano groups at the 9-position and the 10-position and a methyl group at the 6-position, and
the aromatic amine compound is a tertiary amine compound represented by formula [Ia]
10. The display device according to claim 9 , wherein the control unit includes a switching element.