Organic compound, light-emitting element, display module, lighting module, light-emitting device, display device, electronic device, and lighting device
An object is to provide an organic compound having high heat resistance and a light-emitting element, a light-emitting device, an electronic device, and a display device each having high reliability. Provided are an organic compound having a 2,2′-(pyridine-2,6-diyl)bipyrimidine skeleton in which the 2-positions of pyrimidine skeletons are bonded to the 2- and 6-positions of a pyridine skeleton, and having a structure in which at least one aryl group having a fused structure with 10 to 16 carbon atoms is bonded to the 2,2′-(pyridine-2,6-diyl)bipyrimidine skeleton, and a light-emitting element, a light-emitting device, an electronic device, and a display device each containing the organic compound.
1. An organic compound represented by a general formula (G1):
wherein Ar 1 and Ar 2 represent a phenylene group, and n and m separately represent 0 or 1,
wherein R 1 to R 3 separately represent hydrogen or an aryl group having 6 to 16 carbon atoms, at least one of R 1 to R 3 being an aryl group with a fused structure having 10 to 16 carbon atoms, and
wherein R 4 to R 9 separately represent hydrogen, an alkyl group having 1 to 6 carbon atoms, or an aryl group having 6 to 10 carbon atoms.
2. The organic compound according to claim 1 ,
wherein R 1 and R 2 are each a naphthyl group.
3. The organic compound according to claim 1 ,
wherein n and in are 0, and
wherein R 3 is a pyrenyl group.
4. The organic compound according to claim 1 , wherein R 3 is hydrogen.
5. The organic compound according to claim 1 , wherein R 4 and R 5 are each a phenyl group.
6. The organic compound according to claim 1 , wherein R 6 to R 9 are each hydrogen.
7. The organic compound according to claim 1 , wherein the organic compound is represented by any one of structural formulae (100), (200), and (300):
8. A light-emitting element comprising:
a first electrode;
a layer over the first electrode; and
a second electrode over the layer,
wherein the layer comprises an organic compound represented by a general formula (G1):
wherein Ar 1 and Ar 2 represent a phenylene group, and n and m separately represent 0 or 1,
wherein R 1 to R 3 separately represent hydrogen or an aryl group having 6 to 16 carbon atoms, at least one of R 1 to R 3 being an aryl group with a fused structure having 10 to 16 carbon atoms, and
wherein R 4 to R 9 separately represent hydrogen, an alkyl group having 1 to 6 carbon atoms, or an aryl group having 6 to 10 carbon atoms.
9. The light-emitting element according to claim 8 ,
wherein R 1 and R 2 are each a naphthyl group.
10. The light-emitting element according to claim 8 ,
wherein n and m are 0, and
wherein R 3 is a pyrenyl group.
11. The light-emitting element according to claim 8 , wherein R 3 is hydrogen.
12. The light-emitting element according to claim 8 , wherein R 4 and R 5 are each a phenyl group.
13. The light-emitting element according to claim 8 , wherein R 6 to R 9 are each hydrogen.
14. The light-emitting element according to claim 8 , wherein the organic compound is represented by any one of structural formulae (100), (200), and (300):
15. The light-emitting element according to claim 8 ,
wherein the organic compound is in an electron-transport layer.
16. The light-emitting element according to claim 8 ,
wherein the organic compound is in an electron-injection layer.
17. A light-emitting device comprising:
the light-emitting element according to claim 8 ; and
a unit for controlling the light-emitting element.