IP Library Granted Patent US 12,089,491
Granted Patent B2
US 12,089,491 · App. 17/401,948 · Granted Sep 10, 2024

Light-emitting element, light-emitting device, electronic device, and lighting device

Inventors: Sachiko Kawakami (Kanagawa, JP); Tsunenori Suzuki (Kanagawa, JP); Yusuke Takita (Kanagawa, JP); Satoshi Seo (Kanagawa, JP)
Assignee: Semiconductor Energy Laboratory Co., Ltd.
H10K85/636C07D307/77C09K11/06H10K85/633H10K85/6572H10K85/6574C09K2211/1007C09K2211/1011C09K2211/1014H10K50/11H10K50/15H10K50/156H10K59/1213H10K85/622H10K85/626H10K2101/30H10K2101/40
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Quick Facts
Patent No.
US 12,089,491
App. No.
17/401,948
Granted
Sep 10, 2024
Kind
B2
Abstract

A novel light-emitting element is provided. A light-emitting element with a long lifetime is provided. A light-emitting element with high emission efficiency is provided. A novel organic compound is provided. A novel organic compound having a hole-transport property is provided. A novel hole-transport material is provided. A hole-transport material including an organic compound having a substituted or unsubstituted benzonaphthofuran skeleton and a substituted or unsubstituted amine skeleton is provided. A light-emitting element using the hole-transport material is provided. An organic compound in which an amine skeleton including two aromatic hydrocarbon groups having 6 to 60 carbon atoms is bonded to the 6- or 8-position of the benzonaphthofuran skeleton is provided.

Claims (69)

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

wherein R 1 and R 3 to R 8 independently represent any one of hydrogen, a hydrocarbon group having 1 to 6 carbon atoms, a cyclic hydrocarbon group having 3 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group having 1 to 6 carbon atoms, and a substituted or unsubstituted aromatic hydrocarbon group having 6 to 60 carbon atoms,

wherein R 2 represents hydrogen, and

wherein one of A and B represents a group represented by General Formula (g1) and the other represents any one of hydrogen, a cyclic hydrocarbon group having 3 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group having 1 to 6 carbon atoms, a hydrocarbon group having 1 to 6 carbon atoms, and a substituted or unsubstituted aromatic hydrocarbon group having 6 to 60 carbon atoms,

wherein Ar 1 and Ar 2 independently represent any one of a substituted or unsubstituted aromatic hydrocarbon group having 6 to 60 carbon atoms and a group represented by General Formula (g2), and in Ar 1 and Ar 2 , a substituent of the substituted aromatic hydrocarbon group having 6 to 60 carbon atoms is any of a hydrocarbon group having 1 to 6 carbon atoms, a cyclic hydrocarbon group having 3 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group having 1 to 6 carbon atoms, and a substituent represented by Formulae (1-41) to (1-135),

wherein R 11 to R 18 independently represent any one of hydrogen, a hydrocarbon group having 1 to 6 carbon atoms, a cyclic hydrocarbon group having 3 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group having 1 to 6 carbon atoms, and a substituted or unsubstituted aromatic hydrocarbon group having 6 to 60 carbon atoms,

wherein one of Z 1 and Z 2 is bonded to a nitrogen atom in General Formula (g1) and the other represents any one of hydrogen, a cyclic hydrocarbon group having 3 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group having 1 to 6 carbon atoms, a hydrocarbon group having 1 to 6 carbon atoms, and a substituted or unsubstituted aromatic hydrocarbon group having 6 to 60 carbon atoms, and

wherein at least one of Ar 1 and Ar 2 represents a group represented by General Formula (g2).

2. The organic compound according to claim 1 ,

wherein General Formula (g1) is represented by General Formula (g3),

wherein Ar 3 and Ar 4 independently represent any one of a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted benzonaphthofuranyl group, and a substituted or unsubstituted dinaphthofuranyl group,

wherein Ar 5 and Ar 6 independently represent a substituted or unsubstituted aromatic hydrocarbon group, n and m independently represent 0 or 1, and

wherein a sum of carbon atoms of Ar 3 and Ar 5 is less than or equal to 60, and a sum of carbon atoms of Ar 4 and Ar 6 is less than or equal to 60.

3. The organic compound according to claim 2 ,

wherein one of Ar 3 and Ar 4 independently represents any one of a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted anthracenyl group, and a substituted or unsubstituted pyrenyl group.

4. The organic compound according to claim 2 ,

wherein Ar 5 and Ar 6 independently represent any one of a substituted or unsubstituted phenylene group, a substituted or unsubstituted naphthylene group, a substituted or unsubstituted anthracenylene group, and a substituted or unsubstituted pyrenylene group.

5. The organic compound according to claim 2 ,

wherein one of Ar 3 and Ar 4 represents a phenyl group.

6. The organic compound according to claim 2 ,

wherein Ar 5 and Ar 6 represent a phenylene group.

7. The organic compound according to claim 2 ,

wherein one of n and m represents 1, and the other represents 0.

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

wherein R 1 and R 3 to R 8 independently represent any one of hydrogen, a hydrocarbon group having 1 to 6 carbon atoms, a cyclic hydrocarbon group having 3 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group having 1 to 6 carbon atoms, and a substituted or unsubstituted aromatic hydrocarbon group having 6 to 60 carbon atoms,

wherein R 2 represents hydrogen, and

wherein one of A and B represents a group represented by General Formula (g1) and the other represents any one of hydrogen, a cyclic hydrocarbon group having 3 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group having 1 to 6 carbon atoms, a hydrocarbon group having 1 to 6 carbon atoms, and a substituted or unsubstituted aromatic hydrocarbon group having 6 to 60 carbon atoms,

wherein Ar 1 and Ar 2 independently represent any one of an unsubstituted aromatic hydrocarbon group having 6 to 60 carbon atoms and a group represented by General Formula (g2), and in the case Ar 1 and Ar 2 have a substituent, the substituent excludes a dinaphthothiophenyl group and a fluorenyl group,

wherein R 11 to R 18 independently represent any one of hydrogen, a hydrocarbon group having 1 to 6 carbon atoms, a cyclic hydrocarbon group having 3 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group having 1 to 6 carbon atoms, and a substituted or unsubstituted aromatic hydrocarbon group having 6 to 60 carbon atoms,

wherein one of Z 1 and Z 2 is bonded to a nitrogen atom in General Formula (g1) and the other represents any one of hydrogen, a cyclic hydrocarbon group having 3 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group having 1 to 6 carbon atoms, a hydrocarbon group having 1 to 6 carbon atoms, and a substituted or unsubstituted aromatic hydrocarbon group having 6 to 60 carbon atoms, and

wherein at least one of Ar 1 and Ar 2 represents a group represented by General Formula (g2).

9. The organic compound according to claim 8 ,

wherein General Formula (g1) is represented by General Formula (g3),

wherein Ar 3 and Ar 4 independently represent any one of a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted benzonaphthofuranyl group, and a substituted or unsubstituted dinaphthofuranyl group,

wherein Ar 5 and Ar 6 independently represent a substituted or unsubstituted aromatic hydrocarbon group, n and m independently represent 0 or 1, and

wherein a sum of carbon atoms of Ar 3 and Ar 5 is less than or equal to 60, and a sum of carbon atoms of Ar 4 and Ar 6 is less than or equal to 60.

10. The organic compound according to claim 9 ,

wherein one of Ar 3 and Ar 4 independently represents any one of a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted anthracenyl group, and a substituted or unsubstituted pyrenyl group.

11. The organic compound according to claim 9 ,

wherein Ar 5 and Are independently represent any one of a substituted or unsubstituted phenylene group, a substituted or unsubstituted naphthylene group, a substituted or unsubstituted anthracenylene group, and a substituted or unsubstituted pyrenylene group.

12. The organic compound according to claim 9 ,

wherein one of Ar 3 and Ar 4 represents a phenyl group.

13. The organic compound according to claim 9 ,

wherein Ar 5 and Ar 6 represent a phenylene group.

14. The organic compound according to claim 9 ,

wherein one of n and m represents 1, and the other represents 0.

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

wherein R 1 and R 3 to R 8 independently represent any one of hydrogen, a hydrocarbon group having 1 to 6 carbon atoms, a cyclic hydrocarbon group having 3 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group having 1 to 6 carbon atoms, and a substituted or unsubstituted aromatic hydrocarbon group having 6 to 60 carbon atoms,

wherein R 2 represents hydrogen, and

wherein one of A and B represents a group represented by General Formula (g1) and the other represents any one of hydrogen, a cyclic hydrocarbon group having 3 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group having 1 to 6 carbon atoms, a hydrocarbon group having 1 to 6 carbon atoms, and a substituted or unsubstituted aromatic hydrocarbon group having 6 to 60 carbon atoms,

wherein Ar 1 and Ar 2 independently represent any one of a substituted or unsubstituted aromatic hydrocarbon group having 6 to 60 carbon atoms and a group represented by General Formula (g2), and in the case Ar 1 and Ar 2 have a substituent, the substituent excludes a dinaphthothiophenyl group and a fluorenyl group,

wherein R 11 to R 18 independently represent any one of hydrogen, a hydrocarbon group having 1 to 6 carbon atoms, a cyclic hydrocarbon group having 3 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group having 1 to 6 carbon atoms, and a substituted or unsubstituted aromatic hydrocarbon group having 6 to 60 carbon atoms,

wherein one of Z 1 and Z 2 is bonded to a nitrogen atom in General Formula (g1) and the other represents any one of hydrogen, a cyclic hydrocarbon group having 3 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, a cyano group, halogen, a haloalkyl group having 1 to 6 carbon atoms, a hydrocarbon group having 1 to 6 carbon atoms, and a substituted or unsubstituted aromatic hydrocarbon group having 6 to 60 carbon atoms, and

wherein at least one of Ar 1 and Ar 2 represents a group represented by General Formula (g2).

16. The organic compound according to claim 15 ,

wherein General Formula (g1) is represented by General Formula (g3),

wherein Ar 3 and Ar 4 independently represent any one of a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted benzonaphtofuranyl group, and a substituted or unsubstituted dinaphthofuranyl group,

wherein Ar 5 and Ar 6 independently represent a substituted or unsubstituted aromatic hydrocarbon group, n and m independently represent 0 or 1, and

wherein a sum of carbon atoms of Ar 3 and Ar 5 is less than or equal to 60, and a sum of carbon atoms of Ar 4 and Ar 6 is less than or equal to 60.

17. The organic compound according to claim 16 ,

wherein one of Ar 3 and Ar 4 independently represents any one of a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted anthracenyl group, and a substituted or unsubstituted pyrenyl group.

18. The organic compound according to claim 16 ,

wherein Ar 5 and Ar 6 independently represent any one of a substituted or unsubstituted phenylene group, a substituted or unsubstituted napthylene group, a substituted or unsubstituted anthracenylene group, and a substituted or unsubstituted pyrenylene group.

19. The organic compound according to claim 16 ,

wherein one of Ar 3 and Ar 4 represents a phenyl group.

20. The organic compound according to claim 16 ,

wherein Ar 5 and Ar 6 represent a phenylene group.

21. The organic compound according to claim 16 ,

wherein one of n and m represents 1, and the other represents 0.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 13, 2021
From: KAWAKAMI, SACHIKO; SUZUKI, TSUNENORI; TAKITA, YUSUKE; SEO, SATOSHI
To: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Reel/Frame 057173/0732 →
Priority Claims (1)
JP 2016-016262 · Jan 29, 2016 · national
Continuity (3)
Continuation 16533881 · Aug 7, 2019
Continuation 15416348 · Jan 26, 2017
Related Publication 20210384440A1 · Dec 9, 2021
Cited By (1)
US 12,622,128