Organic electroluminescence element

1. An organic electroluminescence element having

a substrate,

a pair of electrodes that is disposed on this substrate and that includes an anode and a cathode, and

an organic layer disposed between these electrodes, wherein

said organic layer contains a compound expressed by General Formula 1 below:

either V 1 or W 1 forms a ring, either V 2 or W 2 also forms a ring, the ring formed by V 1 and V 2 is a six-membered ring, and the ring formed by W 1 and W 2 is a five-membered ring,

wherein when both V 1 and V 2 form a six-membered ring, at least one of V 1 and V 2 has a linking group E that links the portion represented by a dotted line in General Formula 1, wherein E is CR x R y , SiR a R b , or O;

each of R x and R y independently represents an alkyl group, an aryl group, or a silyl group;

each of R a and R b independently represents an alkyl group or an aryl group;

each of A 2 to A 4 and A 6 to A 8 independently represents CR Z or N, wherein two adjacent CR Z groups may together form a five- or six-membered ring, and

R Z represents a hydrogen atom or a substituent; and

each of R 2 , R 3 , R 7 , and R 8 independently represents an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a hydrogen atom, or a deuterium atom.

2. The organic electroluminescence element according to claim 1 , wherein the compound expressed by General Formula 1 above is expressed by General Formula 2 below:

wherein A 1 to A 8 represent CR Z or N, and R Z represents a hydrogen atom or a substituent; E represents CR x R y , SiR a R b , or O; each of R x and R y independently represents an alkyl group, an aryl group, or a silyl group; each of R a and R b independently represents an alkyl group or an aryl group; and each of R 2 to R 4 and R 7 to R 9 independently represents an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a hydrogen atom, or a deuterium atom.

3. The organic electroluminescence element according to claim 1 , wherein the compound expressed by General Formula 1 above is expressed by General Formula 3 below:

wherein A 1 to A 8 represent CR Z or N, and R Z represents a hydrogen atom or a substituent; G represents CR x R y , SiR a R b , NR c , S, or O; each of R x and R y independently represents an alkyl group, an aryl group, or a silyl group; R a , R b , and R c represent each independently an alkyl group or an aryl group; and each of R 1 to R 3 and R 6 to R 8 independently represents an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a hydrogen atom, or a deuterium atom.

4. The organic electroluminescence element according to claim 2 , wherein the compound expressed by General Formula 2 above is expressed by General Formula 4 below:

wherein E represents CR x R y , SiR a R b , or O; each of R x and R y independently represents an alkyl group, an aryl group, or a silyl group; R a and R b represent each independently represents an alkyl group or an aryl group; each of R 2 to R 4 and R 7 to R 9 independently an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a hydrogen atom, or a deuterium atom; each of R 11 to R 18 independently represents an alkyl group, an alkoxy group, an alkylthio group, an aryl group, a heteroaryl group, an arylthio group, a fluorine atom, a hydrogen atom, a deuterium atom, a cyano group, or an amino group; and each pair of R 11 and R 12 , R 12 and R 13 , R 13 and R 14 , R 15 and R 16 , R 16 and R 17 , and R 17 and R 18 may bond to each other to form a ring.

5. The organic electroluminescence element according to claim 4 , wherein in General Formula 4 above, one of R 12 to R 14 and R 16 to R 18 is NR 19 R 20 , wherein each of R 19 and R 20 independently represents an alkyl group or an aryl group, and these may bond to each other to form a ring.

6. The organic electroluminescence element according to claim 3 , wherein the compound expressed by General Formula 3 above is expressed by General Formula 5 below:

wherein G represents CR x R y , SiR a R b , NR c , S, or O; each of R x and R y independently represents an alkyl group, an aryl group, or a silyl group; each of R a , R b , and R c represent each independently represents an alkyl group or an aryl group; each of R 1 to R 3 and R 6 to R 8 independently represents an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a hydrogen atom, or a deuterium atom; each of R 11 to R 18 independently represents an alkyl group, an alkoxy group, an alkylthio group, an aryl group, a heteroaryl group, an arylthio group, a fluorine atom, a hydrogen atom, a deuterium atom, a cyano group, or an amino group; and each pair of R 11 and R 12 , R 12 and R 13 , R 13 and R 14 , R 15 and R 16 , R 16 and R 17 , and R 17 and R 18 may bond to each other to form a ring.

7. The organic electroluminescence element according to claim 6 , wherein in General Formula 5 above, one of R 11 to R 13 and R 16 to R 18 is NR 19 R 20 , wherein each of R 19 and R 20 independently represents an alkyl group or an aryl group, and these may bond to each other to form a ring.

8. The organic electroluminescence element according to claim 6 , wherein in General Formula 5 above, G is CR x R y , S, or O, wherein each of R x and R y independently represents an alkyl group, an aryl group, or a silyl group.

9. The organic electroluminescence element according to claim 4 , wherein the compound expressed by General Formula 4 above is expressed by General Formula 6 below:

wherein X and Y represent each independently an alkyl group, an aryl group, or a silyl group; each of R 2 to R 4 and R 7 to R 9 independently represents an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a hydrogen atom, or a deuterium atom; each of R 11 to R 18 independently represents an alkyl group, an alkoxy group, an alkylthio group, an aryl group, a heteroaryl group, an arylthio group, a fluorine atom, a hydrogen atom, a deuterium atom, a cyano group, or an amino group; and each pair of R 11 and R 12 , R 12 and R 13 , R 13 and R 14 , R 15 and R 16 , R 16 and R 17 , and R 17 and R 18 may bond to each other to form a ring.

10. The organic electroluminescence element according to claim 9 , wherein in General Formula 6 above, one of R 12 to R 14 and R 16 to R 18 is NR 19 R 20 , wherein each of R 19 and R 20 independently represents an alkyl group or an aryl group, and these may bond to each other to form a ring.

11. The organic electroluminescence element according to claim 9 , wherein in General Formula 6 above, R 13 and/or R 17 is NR 19 R 20 , wherein each of R 19 and R 20 independently represents an alkyl group or an aryl group, and these may bond to each other to form a ring.

12. The organic electroluminescence element according to claim 6 , wherein the compound expressed by General Formula 5 above is expressed by General Formula 7 below:

wherein X and Y represent each independently an alkyl group, an aryl group, or a silyl group; R 1 to R 3 and R 6 to R 8 represent each independently an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a hydrogen atom, or a deuterium atom; R 11 to R 18 independently represents an alkyl group, an alkoxy group, an alkylthio group, an aryl group, a heteroaryl group, an arylthio group, a fluorine atom, a hydrogen atom, a deuterium atom, a cyano group, or an amino group; and each pair of R 11 and R 12 , R 12 and R 13 , R 13 and R 14 , R 15 and R 16 , R 16 and R 17 , and R 17 and R 18 may bond to each other to form a ring.

13. The organic electroluminescence element according to claim 12 , wherein in General Formula 7 above, one of R 11 to R 13 and R 16 to R 18 is NR 19 R 20 , wherein each of R 19 and R 20 independently represents an alkyl group or an aryl group, and these may bond to each other to form a ring.

14. The organic electroluminescence element according to claim 12 , wherein in General Formula 7 above, R 12 and/or R 17 is NR 19 R 20 , wherein each of R 19 and R 20 independently represents an alkyl group or an aryl group, and these may bond to each other to form a ring.

15. The organic electroluminescence element according to claim 1 , wherein the compound expressed by General Formula 1 above includes in its molecule a group containing an alkyl group, a silyl group, or a fluorine atom.

16. The organic electroluminescence element according to claim 1 , wherein the molecular weight of the compound expressed by General Formula 1 above is 1000 or less.

17. The organic electroluminescence element according to claim 1 , wherein at least one organic layer that contains the compound expressed by General Formula 1 above is a light-emitting layer.

18. The organic electroluminescence element according to claim 17 , wherein the compound expressed by General Formula 1 above is a light-emitting material.

19. The organic electroluminescence element according to claim 17 , wherein said light-emitting layer includes an anthracene-based host material.

20. The organic electroluminescence element according to claim 19 , wherein said anthracene-based host material is expressed by General Formula An-1 below:

wherein Ar 1 and Ar 2 represent each independently an aryl group or a heteroaryl group; each of R 301 to R 308 independently represents a hydrogen atom or a substituent; and R 301 and R 302 , R 302 and R 303 , R 303 and R 304 , R 305 and R 306 , R 306 and R 307 , and R 307 and R 308 may bond to each other to form a ring.

21. The organic electroluminescence element according to claim 20 , wherein the compound expressed by General Formula An-1 above is a compound expressed by General Formula An-2 below:

wherein each of R 301 to R 318 independently represents a hydrogen atom or a substituent; and each pair of R 301 and R 302 , R 302 and R 303 , R 303 and R 304 , R 305 and R 306 , R 306 and R 307 , R 307 and R 308 , R 309 and R 310 , R 310 and R 311 , R 311 and R 312 , R 312 and R 313 , R 314 and R 315 , R 315 and R 316 , R 316 and R 317 , and R 317 , and R 318 may bond to each other to form a ring.

22. The organic electroluminescence element according to claim 17 , wherein said light-emitting layer is formed by a vacuum vapor deposition process.

23. The organic electroluminescence element according to claim 17 , wherein said light-emitting layer is formed by a wet process.

24. A light-emitting device, display device, or illumination device which makes use of the organic electroluminescence element according to claim 1 .

25. A material for an organic electroluminescence element expressed by General Formula 1 below:

wherein either V 1 or W 1 forms a ring, either V 2 or W 2 also forms a ring, the ring formed by V 1 and V 2 is a six-membered ring, and the ring formed by W 1 and W 2 is a five-membered ring, wherein when both V 1 and V 2 form a six-membered ring, at least one of V 1 and V 2 has a linking group E that links the portion represented by a dotted line in General Formula 1, wherein E is CR x R y , SiR a R b , or O;

each of R x and R y independently represents an alkyl group, an aryl group, or a silyl group;

each of R a and R b independently represents an alkyl group or an aryl group;

each of A 2 to A 4 and A 6 to A 8 independently represents CR Z or N, wherein two adjacent CR Z groups may together form a five- or six-membered ring, and R Z represents a hydrogen atom or a substituent; and

R 2 , R 3 , R 7 , and R 8 independently represents an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a hydrogen atom, or a deuterium atom.

26. The material for an organic electroluminescence element according to claim 25 , wherein the material is expressed by General Formula 2 below:

wherein A 1 to A 8 represent CR Z or N, and R Z represents a hydrogen atom or a substituent; E represents CR x R y , SiR a R b , or O; each of R x and R y independently represents an alkyl group, an aryl group, or a silyl group; each of R a and R b independently represents an alkyl group or an aryl group; and each of R 2 to R 4 and R 7 to R 9 independently represents, an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a hydrogen atom, or a deuterium atom.

27. The material for an organic electroluminescence element according to claim 25 , wherein the material is expressed by General Formula 3 below:

wherein A 1 to A 8 represent CR Z or N, and R Z represents a hydrogen atom or a substituent; G represents CR x R y , SiR a R b , NR c , S, or O; each of R x and R y independently represents an alkyl group, an aryl group, or a silyl group; R a , R b , and R c represent each independently an alkyl group or an aryl group; and each of R 1 to R 3 and R 6 to R 8 independently represents an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a hydrogen atom, or a deuterium atom.

28. The material for an organic electroluminescence element according to claim 25 , wherein the material is expressed by General Formula 6 below:

wherein each of X and Y independently represents an alkyl group, an aryl group, or a silyl group; each of R 2 to R 4 and R 7 to R 9 independently represents an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a hydrogen atom, or a deuterium atom; each of R 11 to R 18 independently represents an alkyl group, an alkoxy group, an alkylthio group, an aryl group, a heteroaryl group, an arylthio group, a fluorine atom, a hydrogen atom, a deuterium atom, a cyano group, or an amino group; and each pair of R 11 and R 12 , R 12 and R 13 , R 13 and R 14 , R 15 and R 16 , R 16 and R 17 , and R 17 and R 18 may bond to each other to form a ring.

29. The material for an organic electroluminescence element according to claim 25 , wherein the material is expressed by General Formula 7 below:

wherein each of X and Y independently represents an alkyl group, an aryl group, or a silyl group; R 1 to R 3 and R 6 to R 8 represent each independently an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a hydrogen atom, or a deuterium atom; each of R 11 to R 18 independently represents an alkyl group, an alkoxy group, an alkylthio group, an aryl group, a heteroaryl group, an arylthio group, a fluorine atom, a hydrogen atom, a deuterium atom, a cyano group, or an amino group; and each pair of R 11 and R 12 , R 12 and R 13 , R 13 and R 14 , R 15 and R 16 , R 16 and R 17 , and R 17 and R 18 may bond to each other to form a ring.

30. A compound expressed by General Formula 1 below:

wherein either V 1 or W 1 forms a ring, either V 2 or W 2 also forms a ring, the ring formed by V 1 and V 2 is a six-membered ring, and the ring formed by W 1 and W 2 is a five-membered ring, wherein when both V 1 and V 2 form a six-membered ring, at least one of V 1 and V 2 has a linking group E that links the portion represented by a dotted line in General Formula 1, wherein E is CR x R y , SiR a R b , or O;

each of R x and R y independently represents an alkyl group, an aryl group, or a silyl group;

each of R a and R b independently represents an alkyl group or an aryl group;

A 2 to A 4 and A 6 to A 8 represent each independently CR Z or N, wherein two adjacent CR Z groups may together form a five- or six-membered ring, and R Z represents a hydrogen atom or a substituent; and

R 2 , R 3 , R 7 , and R 8 independently represents an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a hydrogen atom, or a deuterium atom.