Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device
An organic electroluminescence device having higher performance, in particular exhibiting a better driving voltage and a better external quantum efficiency, while having an extended lifetime; and an electronic equipment provided with the organic electroluminescence device are provided. In addition, a compound for realizing the same device and equipment is provided. Specifically, a compound having a specific structure having a triphenylene skeleton; an organic electroluminescence device using the compound; and an electronic equipment provided with the organic electroluminescence device were provided.
1. A compound represented by the following general formulae (10), (11), or (13):
wherein in the general formulae (10), (11), and (13), X represents an oxygen atom, a sulfur atom or a selenium atom;
L 1 represents a substituted or unsubstituted arylene group having 6 to 13 ring carbon atoms; and
Ar 1 and Ar 2 are each independently a substituted or unsubstituted aryl group having 6 to 60 ring carbon atoms or a substituted or unsubstituted, oxygen-containing or sulfur-containing, heteroaryl group having 5 to 60 ring atoms, and Ar 1 and Ar 2 may bind to each other to form a ring.
2. The compound according to claim 1 , wherein L 1 is a substituted or unsubstituted phenylene group, a substituted or unsubstituted biphenylylene group, or a substituted or unsubstituted fluorenylene group.
3. The compound according to claim 1 , wherein at least one of Ar 1 and Ar 2 is a substituted or unsubstituted aryl group having 6 to 60 ring carbon atoms.
4. The compound according to claim 3 , wherein Ar 1 and Ar 2 are both a substituted or unsubstituted aryl group having 6 to 60 ring carbon atoms.
5. The compound according to claim 4 , wherein Ar 1 and Ar 2 are both a substituted or unsubstituted aryl group having 6 to 13 ring carbon atoms.
6. The compound according to claim 4 , wherein Ar 1 and Ar 2 are each independently a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted biphenylyl group, or a substituted or unsubstituted fluorenyl group.
7. The compound according to claim 1 , wherein X is an oxygen atom or a sulfur atom.
8. A material for organic electroluminescence devices, comprising the compound according to claim 1 .
9. An organic electroluminescence device, which comprises an anode and a cathode facing to each other, and one or more organic thin layers including at least a light emitting layer which are disposed between the anode and cathode, wherein at least one layer of the organic thin film layers comprises the compound according to claim 1 .
10. The organic electroluminescence device according to claim 9 , which comprises an electron transporting zone between the light emitting layer and the cathode, wherein the electron transporting zone comprises the compound represented by the following general formulae (10), (11), or (13):
wherein in the general formulae (10), (11), and (13), X represents an oxygen atom, a sulfur atom or a selenium atom;
L 1 represents a substituted or unsubstituted arylene group having 6 to 13 ring carbon atoms; and
Ar 1 and Ar 2 are each independently a substituted or unsubstituted aryl group having 6 to 60 ring carbon atoms or a substituted or unsubstituted, oxygen-containing or sulfur-containing, heteroaryl group having 5 to 60 ring atoms, and Ar 1 and Ar 2 may bind to each other to form a ring.
11. The organic electroluminescence device according to claim 10 , wherein the electron transporting zone further comprises at least one selected from an electron donating dopant and an organic metal complex.
12. The organic electroluminescence device according to claim 11 , wherein the electron donating dopant is at least one selected from an alkali metal, an alkali metal compound, an alkaline earth metal, an alkaline earth metal compound, a rare earth metal, and an rare earth metal compound.
13. The organic electroluminescence device according to claim 11 , wherein the organic metal complex is at least one selected form an organic metal complex containing an alkali metal, an organic metal complex containing an alkaline earth metal, and an organic metal complex containing a rare earth metal.
14. An electronic equipment provided with an organic electroluminescence device according to claim 9 .
15. The compound according to claim 1 , wherein the compound represented by the general formula (10).
16. The compound according to claim 1 , wherein the compound represented by the general formula (11).
17. The compound according to claim 1 , wherein the compound represented by the general formula (13).
18. The organic electroluminescence device according to claim 10 , wherein the compound represented by the general formula (13).
19. The organic electroluminescence device according to claim 10 , wherein the compound represented by the general formula (10).
20. The organic electroluminescence device according to claim 10 , wherein the compound represented by the general formula (13).