Compound, light-emitting element, display device, electronic device, and lighting device
A compound includes a benzofuropyrimidine skeleton or a benzothienopyrimidine skeleton, a first substituent, and a second substituent. Each of the first substituent and the second substituent includes a furan skeleton, a thiophene skeleton, or a pyrrole skeleton. The first substituent is bonded to a pyrimidine ring included in the benzofuropyrimidine skeleton or a pyrimidine ring included in the benzothienopyrimidine skeleton. The second substituent is bonded to a benzene ring included in the benzofuropyrimidine skeleton or a benzene ring included in the benzothienopyrimidine skeleton. The light-emitting element includes the compound.
1. A compound comprising:
a skeleton that is one of a benzofuropyrimidine skeleton and a benzothienopyrimidine skeleton;
a first substituent; and
a second substituent,
wherein the first substituent comprises any of a furan skeleton, a thiophene skeleton, and a pyrrole skeleton,
wherein the second substituent comprises any of a furan skeleton, a thiophene skeleton, and a pyrrole skeleton,
wherein the first substituent is bonded to the pyrimidine ring of the skeleton through a substituted or unsubstituted arylene group having 6 to 13 carbon atoms, and
wherein the second substituent is bonded to the benzene ring of the skeleton.
2. The compound according to claim 1 ,
wherein the skeleton is one of a benzofuro[3,2-d]pyrimidine skeleton and a benzothieno[3,2-d]pyrimidine skeleton;
wherein the first substituent is bonded to the 2- or 4-position of the skeleton, and
wherein the second substituent is bonded to the 6-, 7-, 8-, or 9-position of the skeleton.
3. The compound according to claim 2 ,
wherein the first substituent is bonded to the 4-position of the skeleton, and
wherein the second substituent is bonded to the 8-position of the skeleton.
4. The compound according to claim 1 ,
wherein each of the first substituent and the second substituent comprises a furan skeleton, each of the first substituent and the second substituent comprises a thiophene skeleton, or each of the first substituent and the second substituent comprises a pyrrole skeleton.
5. The compound according to claim 1 ,
wherein the first substituent comprises any of a dibenzofuran skeleton, a dibenzothiophene skeleton, and a carbazole skeleton, and
wherein the second substituent comprises any of a dibenzofuran skeleton, a dibenzothiophene skeleton, and a carbazole skeleton.
6. The compound according to claim 5 ,
wherein each of the first substituent and the second substituent comprises a dibenzofuran skeleton, each of the first substituent and the second substituent comprises a dibenzothiophene skeleton, or each of the first substituent and the second substituent comprises a carbazole skeleton.
7. The compound according to claim 1 ,
wherein the first substituent and the second substituent are the same substituent.
8. A compound represented by General Formula (G0):
wherein:
Q represents oxygen or sulfur,
each of A 1 and A 2 independently represents any of a substituted or unsubstituted dibenzofuran skeleton, a substituted or unsubstituted dibenzothiophene skeleton, and a substituted or unsubstituted carbazole skeleton,
each of R 1 to R 4 independently represents any of hydrogen, a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 7 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 13 carbon atoms,
each of α and β independently represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms,
m represents an integer of 1 to 4, and
n represents an integer of 0 to 4.
9. The compound according to claim 8 , wherein the compound is represented by General Formula (G1):
10. The compound according to claim 8 ,
wherein each of A 1 and A 2 represents a substituted or unsubstituted dibenzofuran skeleton, each of A 1 and A 2 represents a substituted or unsubstituted dibenzothiophene skeleton, or each of A 1 and A 2 represents a substituted or unsubstituted carbazole skeleton, and
wherein each of α and β represents a phenylene group.
11. The compound according to claim 8 ,
wherein A 1 and A 2 represent the same group,
wherein α and β represent the same group, and
wherein m and n are the same.
12. The compound according to claim 8 ,
wherein each of m and n represents 1.
13. The compound according to claim 8 ,
wherein R 1 to R 4 all represent hydrogen.
14. A compound represented by General Formula (G2):
wherein:
Q represents oxygen or sulfur,
each of X and Z independently represents any of oxygen, sulfur, and N—R,
each of R 1 to R 18 and R independently represents any of hydrogen, a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 7 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 13 carbon atoms,
each of α and β independently represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms,
m represents an integer of 0 to 4, and
n represents an integer of 0 to 4.
15. The compound according to claim 14 , wherein the compound is represented by General Formula (G3):
16. The compound according to claim 14 ,
wherein each of X and Z represents oxygen or each of X and Z represents sulfur, and
wherein each of α and β represents a phenylene group.
17. The compound according to claim 14 ,
wherein R 5 to R 18 all represent hydrogen.
18. The compound according to claim 14 ,
wherein α and β represent the same group, and
wherein m and n are the same.
19. The compound according to claim 14 ,
wherein each of m and n represents 1.
20. The compound according to claim 1 , wherein the compound is represented by General Formula (G4):
wherein:
Q represents oxygen or sulfur,
each of R 1 to R 4 and R 19 to R 34 independently represents any of hydrogen, a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 7 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 13 carbon atoms,
each of α and β independently represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms,
m represents an integer of 1 to 4, and
n represents an integer of 0 to 4.
21. The compound according to claim 20 ,
wherein each of α and β represents a phenylene group.
22. The compound according to claim 20 ,
wherein R 19 to R 34 all represent hydrogen.
23. A light-emitting element comprising the compound according to claim 1 .
24. The light-emitting element according to claim 23 , further comprising a guest material.
25. The light-emitting element according to claim 24 ,
wherein the guest material is configured to convert triplet excitation energy into light emission.
26. A display device comprising:
the light-emitting element according to claim 23 ; and
one of a color filter and a transistor.
27. An electronic device comprising:
the display device according to claim 26 ; and
one of a housing and a touch sensor.
28. A lighting device comprising:
the light-emitting element according to claim 23 ; and
one of a housing and a touch sensor.
29. A light-emitting element comprising:
a guest material;
a first organic compound; and
a second organic compound,
wherein the guest material is configured to convert triplet excitation energy into light emission,
wherein the first organic compound and the second organic compound are a combination that forms an exciplex, and
wherein the first organic compound is the compound according to claim 1 .