Heterocyclic compound, light-emitting element, light-emitting device, electronic device, and lighting device
Provided is a novel heterocyclic compound, a novel heterocyclic compound that can be used in a light-emitting element, or a highly reliable light-emitting device, electronic device, and lighting device in each of which the light-emitting element using the novel heterocyclic compound is used. One embodiment of the present invention is a heterocyclic compound represented by General Formula (G1). In General Formula (G1), each of A 1 and A 2 independently represents nitrogen or carbon bonded to hydrogen, and at least one of A 1 and A 2 represents nitrogen; Ar represents a substituted or unsubstituted arylene group having 6 to 18 carbon atoms; B represents a substituted or unsubstituted fluorenyl group; and R 1 represents hydrogen, an alkyl group having 1 to 6 carbon atoms, or an aryl group having 6 to 13 carbon atoms.
1. A compound represented by a formula (G1):
wherein:
each of A 1 and A 2 independently represents one of nitrogen and carbon bonded to hydrogen;
at least one of A 1 and A 2 represents nitrogen;
Ar represents a substituted or unsubstituted arylene group having 6 to 18 carbon atoms;
B represents a substituted or unsubstituted fluorenyl group; and
R 1 represents hydrogen.
2. The compound according to claim 1 , wherein B in the formula (G1) is a substituted or unsubstituted 2-fluorenyl group.
3. The compound according to claim 1 , wherein B in the formula (G1) is represented by a formula (α):
wherein each of R 11 to R 19 independently represents one of hydrogen, an alkyl group having 1 to 6 carbon atoms, and an aryl group having 6 to 12 carbon atoms.
4. The compound according to claim 1 , wherein B in the formula (G1) is represented by a formula (β):
wherein each of R 17 and R 18 independently represents one of hydrogen, an alkyl group having 1 to 6 carbon atoms, and an aryl group having 6 to 12 carbon atoms.
5. A light-emitting element comprising the compound according to claim 1 .
6. A light-emitting element comprising the compound according to claim 1 , comprising:
a pair of electrodes; and
an electroluminescent layer between the pair of electrodes,
wherein the compound is in the electroluminescent layer.
7. A light-emitting element comprising the compound according to claim 1 , comprising:
a pair of electrodes;
an electroluminescent layer between the pair of electrodes; and
a light-emitting layer in the electroluminescent layer,
wherein the light-emitting layer includes the compound.
8. A light-emitting element comprising the compound according to claim 1 , comprising:
a pair of electrodes;
an electroluminescent layer between the pair of electrodes; and
a light-emitting layer in the electroluminescent layer, the light-emitting layer including three or more kinds of organic compounds,
wherein one of the three or more kinds of organic compounds is the compound.
9. A light-emitting device comprising the light-emitting element according to claim 5 , comprising at least one of a transistor and a substrate.
10. An electronic device comprising the light-emitting device according to claim 9 , comprising at least one of a microphone, a camera, an operation button, an external connection portion, and a speaker.
11. A lighting device comprising the light-emitting device according to claim 9 , comprising at least one of a housing, a cover, and a support base.
12. A compound represented by one of a formula (100) and a formula (109):
13. A light-emitting element comprising the compound according to claim 12 .
14. A light-emitting element comprising the compound according to claim 12 , comprising:
a pair of electrodes; and
an electroluminescent layer between the pair of electrodes,
wherein the compound is in the electroluminescent layer.
15. A light-emitting element comprising the compound according to claim 12 , comprising:
a pair of electrodes;
an electroluminescent layer between the pair of electrodes; and
a light-emitting layer in the electroluminescent layer,
wherein the light-emitting layer includes the compound.
16. A light-emitting element comprising the compound according to claim 12 , comprising:
a pair of electrodes;
an electroluminescent layer between the pair of electrodes; and
a light-emitting layer in the electroluminescent layer, the light-emitting layer including three or more kinds of organic compounds,
wherein one of the three or more kinds of organic compounds is the compound.
17. A light-emitting device comprising the light-emitting element according to claim 13 , comprising at least one of a transistor and a substrate.
18. An electronic device comprising the light-emitting device according to claim 17 , comprising at least one of a microphone, a camera, an operation button, an external connection portion, and a speaker.
19. A lighting device comprising the light-emitting device according to claim 17 , comprising at least one of a housing, a cover, and a support base.