Compound, light-emitting element, display device, electronic device, and lighting device
Provided is a novel compound or a light-emitting element with high emission efficiency. The provided novel compound includes a bicarbazole skeleton and a benzofuropyrimidine skeleton or a benzothienopyrimidine skeleton. The provided light-emitting element includes the compound.
1. A compound represented by General Formula (G1):
wherein:
Q represents oxygen or sulfur;
each of R 1 to R 20 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;
Ar represents a substituted or unsubstituted meta-phenylene group; and
the bicarbazole skeleton is a 2,3′-bi-9H-carbazole skeleton.
2. A compound represented by General Formula (G3):
wherein:
Q represents oxygen or sulfur;
R 15 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;
Ar represents a substituted or unsubstituted meta-phenylene group; and
the bicarbazole skeleton is a 2,3′-bi-9H-carbazole skeleton.
3. A light-emitting element comprising the compound according to claim 1 .
4. The light-emitting element according to claim 3 , being configured to emit light comprising delayed fluorescence.
5. The light-emitting element according to claim 3 , further comprising a phosphorescent material.
6. The light-emitting element according to claim 3 , being configured to emit blue light.
7. A display device comprising the light-emitting element according to claim 3 ,
wherein the display device comprises at least one of a color filter and a transistor.
8. An electronic device comprising the display device according to claim 7 ,
wherein the electronic device comprises at least one of a housing and a touch sensor.
9. A lighting device comprising the light-emitting element according to claim 3 ,
wherein the lighting device comprises at least one of a housing and a touch sensor.
10. The compound according to claim 2 , wherein the compound is represented by the following formula:
11. A compound represented by General Formula (G1):
wherein:
Q represents oxygen or sulfur;
each of R 1 to R 20 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;
Ar represents an arylene group represented by any of Structure Formulae (Ar-1) to (Ar-27):
and the bicarbazole skeleton is a 2,3′-bi-9H-carbazole skeleton.
12. A compound represented by General Formula (G3):
wherein:
Q represents oxygen or sulfur;
R 15 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;
Ar represents an arylene group represented by any of Structure Formulae (Ar-1) to (Ar-27):
and the bicarbazole skeleton is a 2,3′-bi-9H-carbazole skeleton.
13. A light-emitting element comprising the compound according to claim 11 .
14. The light-emitting element according to claim 13 , being configured to emit light comprising delayed fluorescence.
15. The light-emitting element according to claim 13 , further comprising a phosphorescent material.
16. The light-emitting element according to claim 13 , being configured to emit blue light.
17. A display device comprising the light-emitting element according to claim 13 ,
wherein the display device comprises at least one of a color filter and a transistor.
18. An electronic device comprising the display device according to claim 17 ,
wherein the electronic device comprises at least one of a housing and a touch sensor.
19. A lighting device comprising the light-emitting element according to claim 13 ,
wherein the lighting device comprises at least one of a housing and a touch sensor.