Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device

Patent metadata

Field	Value
Publication number	US-10355219-B2
Application number	US-201615230693-A
Country	US
Kind code	B2
Filing date	Aug 8, 2016
Priority date	Aug 3, 2012
Publication date	Jul 16, 2019
Grant date	Jul 16, 2019

Abstract

A novel organic compound having a high hole-transport property is provided. A long-lifetime light-emitting element is provided. An organic compound represented by General Formula (G0) is provided. In General Formula (G0), Ar 1 represents a substituted or unsubstituted naphthyl group, Ar 2 represents a substituted or unsubstituted carbazolyl group, Ar 3 represents a substituted or unsubstituted fluorenyl group or a substituted or unsubstituted spirofluorenyl group, and α 1 and α 2 each independently represent a substituted or unsubstituted phenylene group or a substituted or unsubstituted biphenyldiyl group.

First claim

What is claimed is:

1. An organic compound represented by General Formula (G0),

wherein Ar 1 represents a naphthyl group,
wherein Ar 2 represents a carbazolyl group,
wherein Ar 3 represents a fluorenyl group or a spirofluorenyl group,
wherein α 1 represents a phenylene group or a biphenyldiyl group,
wherein α 2 represents a p-phenylene group or a biphenyldiyl group,
wherein the naphthyl group, the carbazolyl group, the fluorenyl group, the spirofluorenyl group, the phenylene group, the p-phenylene group, and the biphenyldiyl group are each independently unsubstituted or substituted with a substituent, and
wherein the substituent is an alkyl group having 1 to 10 carbon atoms or an aryl group having 6 to 25 carbon atoms.

2. The organic compound according to claim 1 , wherein Ar 2 is one selected from the group consisting of Structural Formulae (1-1) to (1-27),

3. The organic compound according to claim 1 , wherein Ar 1 is one selected from the group consisting of Structural Formulae (2-1) to (2-3),

4. The organic compound according to claim 1 , wherein α 1 is one selected from the group consisting of Structural Formulae (3-1) to (3-12),

5. The organic compound according to claim 1 , wherein α 2 is one selected from the group consisting of Structural Formulae (3-1) and (3-4) to (3-12),

6. The organic compound according to claim 1 , wherein Ar 3 is one selected from the group consisting of Structural Formulae (4-1) to (4-5),

7. An organic compound represented by General Formula (G1),

wherein Ar 1 represents a naphthyl group,
wherein Ar 3 represents a fluorenyl group or a spirofluorenyl group,
wherein Ar 4 represents an aryl group having 6 to 25 carbon atoms,
wherein α 1 represents a phenylene group or a biphenyldiyl group,
wherein R 11 to R 17 and R 21 to R 24 each independently represent hydrogen, an alkyl group having 1 to 10 carbon atoms, or an aryl group having 6 to 25 carbon atoms,
wherein the naphthyl group, the fluorenyl group, the spirofluorenyl group, the phenylene group, and the biphenyldiyl group are each independently unsubstituted or substituted with a substituent, and
wherein the substituent is an alkyl group having 1 to 10 carbon atoms or an aryl group having 6 to 25 carbon atoms.

8. The organic compound according to claim 7 , wherein Ar 1 is one selected from the group consisting of Structural Formulae (2-1) to (2-3),

9. The organic compound according to claim 7 , wherein α 1 is one selected from the group consisting of Structural Formulae (3-1) to (3-12),

10. The organic compound according to claim 7 , wherein Ar 3 is one selected from the group consisting of Structural Formulae (4-1) to (4-5),

11. The organic compound according to claim 7 , wherein the organic compound is represented by General Formula (G2),

and
wherein R 31 to R 35 each independently represent hydrogen or an alkyl group having 1 to 10 carbon atoms.

12. The organic compound according to claim 11 , wherein Ar 1 is one selected from the group consisting of Structural Formulae (2-1) to (2-3),

13. The organic compound according to claim 11 , wherein α 1 is one selected from the group consisting of Structural Formulae (3-1) to (3-12),

14. The organic compound according to claim 11 , wherein Ar 3 is one selected from the group consisting of Structural Formulae (4-1) to (4-5),

15. The organic compound according to claim 7 , wherein the organic compound is represented by General Formula (G3),

wherein R 41 to R 47 and R 51 to R 54 each independently represent hydrogen, an alkyl group having 1 to 10 carbon atoms, or an aryl group having 6 to 25 carbon atoms, and
wherein R 31 to R 35 each independently represent hydrogen or an alkyl group having 1 to 10 carbon atoms.

16. The organic compound according to claim 1 ,
wherein the naphthyl group is a 1-naphthyl group, and
wherein the 1-naphthyl group is unsubstituted or substituted with the substituent.

17. The organic compound according to claim 1 ,
wherein the naphthyl group is a 2-naphthyl group, and
wherein the 2-naphthyl group is unsubstituted or substituted with the substituent.

18. The organic compound according to claim 7 ,
wherein the naphthyl group is a 1-naphthyl group, and
wherein the 1-naphthyl group is unsubstituted or substituted with the substituent.

19. The organic compound according to claim 7 ,
wherein the naphthyl group is a 2-naphthyl group, and
wherein the 2-naphthyl group is unsubstituted or substituted with the substituent.

20. The organic compound according to claim 11 ,
wherein the naphthyl group is a 1-naphthyl group, and
wherein the 1-naphthyl group is unsubstituted or substituted with the substituent.

21. The organic compound according to claim 11 ,
wherein the naphthyl group is a 2-naphthyl group, and
wherein the 2-naphthyl group is unsubstituted or substituted with the substituent.

22. The organic compound according to claim 1 ,
wherein the carbazolyl group is bonded to α 2 at 3-position of the carbazolyl group.

Assignees

• Semiconductor Energy Lab

Inventors

• Shitagaki Satoko
• Hamada Takao
• Abe Kanta
• Seo Satoshi

Classifications

• C07D209/86 Primary

  with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system · CPC title

• C09K11/06

  containing organic luminescent materials · CPC title

• C09K2211/185

  of the platinum group, i.e. Os, Ir, Pt, Ru, Rh or Pd · CPC title

• H01L51/0085

  Electricity · mapped topic

• H01L51/0072

  Electricity · mapped topic