Anthracene derivative
It is an object of the present invention to provide a novel material which has excellent light-emitting efficiency, a light-emitting element provided with the novel material, and a light-emitting device using the light-emitting element. The present invention provides an anthracene derivative represented by the following general formula (1)
1. An organic compound represented by formula (1):
wherein R 1 and R 2 each represent either hydrogen or an alkyl group having 1 to 4 carbon atoms,
wherein R 3 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms or an aryl group having 6 to 25 carbon atoms,
wherein R 4 represents either an alkyl group having 1 to 4 carbon atoms or an aryl group having 6 to 25 carbon atoms,
wherein R 5 represents an aryl group having 6 to 25 carbon atoms,
wherein R 6 represents any one of formulae (2) to (7),
wherein X 1 represents an arylene group having 6 to 25 carbon atoms.
2. The organic compound according to claim 1 , wherein R 4 represents a phenyl group.
3. The organic compound according to claim 1 , wherein R 5 represents a phenyl group or a naphthyl group.
4. The organic compound according to claim 1 , wherein X 1 represents a phenylene group.
5. An organic compound represented by formula (1):
wherein R 1 and R 2 each represent hydrogen,
wherein R 3 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms or an aryl group having 6 to 25 carbon atoms,
wherein R 4 represents either an alkyl group having 1 to 4 carbon atoms or an aryl group having 6 to 25 carbon atoms,
wherein R 5 represents an aryl group having 6 to 25 carbon atoms,
wherein R 6 represents any one of formulae (2) to (7),
wherein X 1 represents an arylene group having 6 to 25 carbon atoms.
6. The organic compound according to claim 5 , wherein R 4 represents a phenyl group.
7. The organic compound according to claim 5 , wherein R 5 represents a phenyl group or a naphthyl group.
8. The organic compound according to claim 5 , wherein X 1 represents a phenylene group.
9. An organic compound represented by formula (1):
wherein either R 1 or R 2 represent an alkyl group having 1 to 4 carbon atoms,
wherein R 3 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms or an aryl group having 6 to 25 carbon atoms,
wherein R 4 represents either an alkyl group having 1 to 4 carbon atoms or an aryl group having 6 to 25 carbon atoms,
wherein R 5 represents an aryl group having 6 to 25 carbon atoms,
wherein R 6 , represents any one of formulae (2) to (7),
wherein X 1 represents an arylene group having 6 to 25 carbon atoms.
10. The organic compound according to claim 9 , wherein either R 1 or R 2 represent a tertiary butyl group.
11. The organic compound according to claim 9 , wherein R 4 represents a phenyl group.
12. The organic compound according to claim 9 , wherein R 5 represents a phenyl group or a naphthyl group.
13. The organic compound according to claim 9 , wherein X 1 represents a phenylene group.
14. A light-emitting element comprising a layer containing an organic compound between a pair of electrodes,
wherein the organic compound is represented by formula (1):
wherein R 1 and R 2 each represent either hydrogen or an alkyl group having 1 to 4 carbon atoms,
wherein R 3 represents any one of hydrogen, an alkyl group having 1 to 4 carbon atoms or an aryl group having 6 to 25 carbon atoms,
wherein R 4 represents either an alkyl group having 1 to 4 carbon atoms or an aryl group having 6 to 25 carbon atoms,
wherein R 5 represents an aryl group having 6 to 25 carbon atoms,
wherein R 6 represents any one of formulae (2) to (7),
wherein X 1 represents an arylene group having 6 to 25 carbon atoms.
15. The light-emitting element according to claim 14 , wherein R 4 represents a phenyl group.
16. The light-emitting element according to claim 14 , wherein R 5 represents a phenyl group or a naphthyl group.
17. The light-emitting element according to claim 14 , wherein X 1 represents a phenylene group.
18. An electronic device comprising:
a display portion comprising the light-emitting element according to claim 14 .