Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device
A novel heterocyclic compound is provided. A highly efficient and reliable light-emitting element is provided. The heterocyclic compound is represented by a general formula (G1). In the general formula (G1), any one, two, or three of Y 1 to Y 4 in a ring A represent N atoms, and the rest of Y 1 to Y 4 represents CH. In the case where any two or three of the Y 1 to Y 4 are N atoms, the N atoms are not next to each other. Further, Ar 1 represents a substituted or unsubstituted biphenyldiyl group, Ar 2 represents a substituted or unsubstituted biphenyldiyl group, Cz 1 represents a substituted or unsubstituted heterocyclic group including a carbazole skeleton, Cz 2 represents a substituted or unsubstituted heterocyclic group including a carbazole skeleton, the carbazole skeleton included in the Cz 1 is directly bonded to the Ar 1 , and the carbazole skeleton included in the Cz 2 is directly bonded to the Ar 2 .
1. A heterocyclic compound represented by a general formula (G1):
wherein each of any one, two, or three of Y 1 to Y 4 in a ring A represents N, and each of the rest of Y 1 to Y 4 represents CH,
wherein in the case where each of any two or three of the Y 1 to Y 4 is N, the N of the any two or three of the Y 1 to Y 4 are not next to each other,
wherein Ar 1 represents a substituted or unsubstituted biphenyldiyl group,
wherein Ar 2 represents a substituted or unsubstituted biphenyldiyl group,
wherein Cz 1 represents a substituted or unsubstituted heterocyclic group including a carbazole skeleton,
wherein Cz 2 represents a substituted or unsubstituted heterocyclic group including a carbazole skeleton,
wherein the carbazole skeleton included in the Cz 1 is directly bonded to the Ar 1 , and
wherein the carbazole skeleton included in the Cz 2 is directly bonded to the Ar 2 .
2. A heterocyclic compound represented by a general formula (G1):
wherein each of any one or two of Y 1 to Y 4 in a ring A represents N, and each of the rest of Y 1 to Y 4 represents CH,
wherein in the case where each of two of the Y 1 to Y 4 is N , each of Y 1 and Y 3 is N,
wherein Ar 1 represents a substituted or unsubstituted biphenyldiyl group,
wherein Ar 2 represents a substituted or unsubstituted biphenyldiyl group,
wherein Cz 1 represents a substituted or unsubstituted heterocyclic group including a carbazole skeleton,
wherein Cz 2 represents a substituted or unsubstituted heterocyclic group including a carbazole skeleton,
wherein the carbazole skeleton included in the Cz 1 is directly bonded to the Ar 1 , and
wherein the carbazole skeleton included in the Cz 2 is directly bonded to the Ar 2 .
3. The heterocyclic compound according to claim 1 ,
wherein in the general formula (G1), the Ar 1 represents a substituted or unsubstituted biphenyl-3,3′-diyl group and the Ar 2 represents a substituted or unsubstituted biphenyl-3,3′-diyl group.
4. A heterocyclic compound represented by a general formula (G2):
wherein each of any one, two, or three of Y 1 to Y 4 in a ring A represents N, and each of the rest of Y 1 to Y 4 represents CH,
wherein in the case where each of any two or three of the Y 1 to Y 4 is N, the N of the any two or three of the Y 1 to Y 4 are not next to each other,
wherein Cz 1 represents a substituted or unsubstituted heterocyclic group including a carbazole skeleton,
wherein Cz 2 represents a substituted or unsubstituted heterocyclic group including a carbazole skeleton,
wherein the carbazole skeleton included in the Cz 1 and the carbazole skeleton included in the Cz 2 are directly bonded to different phenyl groups from each other, and
wherein each of R 1 to R 16 independently represents any one of hydrogen, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, and an aryl group having 6 to 12 carbon atoms.
5. A heterocyclic compound represented by a general formula (G2):
wherein each of any one or two of Y 1 to Y 4 in a ring A represents N, and each of the rest of Y 1 to Y 4 represents CH,
wherein in the case where each of two of the Y 1 to Y 4 is N, each of Y 1 and Y 3 is N,
wherein Cz 1 represents a substituted or unsubstituted heterocyclic group including a carbazole skeleton,
wherein Cz 2 represents a substituted or unsubstituted heterocyclic group including a carbazole skeleton,
wherein the carbazole skeleton included in the Cz 1 and the carbazole skeleton included in the Cz 2 are directly bonded to different phenyl groups from each other, and
wherein each of R 1 to R 16 independently represents any one of hydrogen, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, and an aryl group having 6 to 12 carbon atoms.
6. The heterocyclic compound according to claim 1 ,
wherein the heterocyclic compound is represented by a general formula (G3):
7. The heterocyclic compound according to claim 6 ,
wherein in the general formula (G3), the Ar 1 represents a substituted or unsubstituted biphenyl-3,3′-diyl group and the Ar 2 represents a substituted or unsubstituted biphenyl-3,3′-diyl group.
8. A heterocyclic compound represented by a general formula (G4):
wherein Cz 1 represents a substituted or unsubstituted heterocyclic group including a carbazole skeleton,
wherein Cz 2 represents a substituted or unsubstituted heterocyclic group including a carbazole skeleton,
wherein the carbazole skeleton included in the Cz 1 and the carbazole skeleton included in the Cz 2 are directly bonded to different phenyl groups from each other, and
wherein each of R 1 to R 16 independently represents any one of hydrogen, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, and an aryl group having 6 to 12 carbon atoms.
9. The heterocyclic compound according to claim 1 ,
wherein the heterocyclic compound is represented by a general formula (G5):
10. The heterocyclic compound according to claim 9 ,
wherein in the general formula (G5), the Ar 1 represents a substituted or unsubstituted biphenyl-3,3′-diyl group and the Ar 2 represents a substituted or unsubstituted biphenyl-3,3′-diyl group.
11. A heterocyclic compound represented by a general formula (G6):
wherein Cz 1 represents a substituted or unsubstituted heterocyclic group including a carbazole skeleton,
wherein Cz 2 represents a substituted or unsubstituted heterocyclic group including a carbazole skeleton,
wherein the carbazole skeleton included in the Cz 1 and the carbazole skeleton included in the Cz 2 are directly bonded to different phenyl groups from each other, and
wherein each of R 1 to R 16 independently represents any of hydrogen, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, and an aryl group having 6 to 12 carbon atoms.
12. The heterocyclic compound according to claim 1 ,
wherein in the general formula (G1), N in the carbazole skeleton included in the Cz 1 is directly bonded to the Ar 1 , and N in the carbazole skeleton included in the Cz 2 is directly bonded to the Ar 2 .
13. The heterocyclic compound according to claim 1 ,
wherein in the general formula (G1), the Cz 1 represents a substituted or unsubstituted carbazolyl group and the Cz 2 represents a substituted or unsubstituted carbazolyl group.
14. The heterocyclic compound according to claim 13 ,
wherein at least one of the carbazolyl groups is a N-carbazolyl group.
15. The heterocyclic compound according to claim 1 ,
wherein at least one of the heterocyclic groups is represented by a general formula (α):
wherein each of R 41 to R 48 independently represents any one of hydrogen, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a hydroxyl group, a sulfanyl group, an arylamino group having 6 to 12 carbon atoms, a vinyl group, and an aryl group having 6 to 12 carbon atoms, and
wherein any adjacent substituents among the R 41 to R 48 are capable of being bonded to each other to form a ring.
16. The heterocyclic compound according to claim 1 ,
wherein at least one of the heterocyclic groups is an unsubstituted N-carbazolyl group.
17. The heterocyclic compound according to claim 1 ,
wherein the heterocyclic compound is represented by a structural formula (100):
18. The heterocyclic compound according to claim 1 ,
wherein the heterocyclic compound is represented by a structural formula (200):
19. A light-emitting element comprising the heterocyclic compound according to claim 1 .
20. A light-emitting element comprising the heterocyclic compound according to claim 1 ,
wherein the light-emitting element comprises an EL layer between a pair of electrodes, and
wherein the EL layer comprises the heterocyclic compound.
21. A light-emitting element comprising the heterocyclic compound according to claim 1 ,
wherein the light-emitting element comprises an EL layer between a pair of electrodes, the EL layer comprising a light-emitting layer, and
wherein the EL layer comprises the heterocyclic compound.
22. A light-emitting element comprising the heterocyclic compound according to claim 1 ,
wherein the light-emitting element comprises an EL layer between a pair of electrodes, the EL layer comprising a light-emitting layer,
wherein the light-emitting layer comprises three or more kinds of organic compounds, and
wherein at least one of the three or more kinds of organic compounds is the heterocyclic compound.
23. A light-emitting device comprising the light-emitting element according to claim 19 ,
wherein the light-emitting device comprises one of a transistor and a substrate.
24. An electronic device comprising the light-emitting device according to claim 23 ,
wherein the electronic device comprises one of a microphone, a camera, an operation button, an external connection portion, and a speaker.
25. A lighting device comprising the light-emitting element according to claim 19 ,
wherein the lighting device comprises one of a transistor, a substrate and a sealing substrate.