Organic electronic material

Patent metadata

Field	Value
Publication number	US-9905774-B2
Application number	US-201314404604-A
Country	US
Kind code	B2
Filing date	May 26, 2013
Priority date	May 30, 2012
Publication date	Feb 27, 2018
Grant date	Feb 27, 2018

Abstract

The present invention discloses an “organic electronic material”, belonging to the organic light-emitting device (OLED) display materials field. The organic electronic material in the present invention has a structural formula (I). The OLED made by this kind of organic light-emitting material has the advantages of excellent light-emitting efficiency, excellent color purity and long service lifetime.

First claim

What is claimed is:

1. An organic electronic material having a structure of formula I:

wherein,
R 1 -R 8 independently represent hydrogen, halogen, cyano, nitro, C1-C8 alkyl, C1-C8 alkoxy, C2-C8 substituted or unsubstituted alkenyl, C2-C8 substituted or unsubstituted alkynyl, C1-C4 alkyl substituted or unsubstituted phenyl, or C1-C4 alkyl substituted or unsubstituted naphthyl; and
Ar 1 -Ar 4 independently represent C1-C4 alkyl or C6-C30 aryl substituted phenyl, C1-C4 alkyl or C6-C30 aryl substituted naphthyl, phenyl, naphthyl, C6-C30 N-aryl or C1-C4 alkyl-substituted carbazolyl, dibenzothiophenyl, dibenzofuranyl, anthryl, phenanthryl, pyrenyl, perylenyl, fluoranthenyl, (9,9-di-alkyl) fluorenyl, (9,9-dialkyl-substituted or unsubstituted aryl) fluorenyl, or 9,9-spiro-fluorenyl.

2. The organic electronic material according to claim 1 , wherein:
R 1 -R 8 independently represent hydrogen, halogen, C1-C4 alkyl, C1-C4 alkyl substituted or unsubstituted phenyl, or C1-C4 alkyl substituted or unsubstituted naphthyl; and
Ar 1 -Ar 4 independently represent phenyl, tolyl, t-butyl phenyl, naphthyl, methyl naphthalene, biphenyl, diphenyl phenyl, naphthyl phenyl, diphenyl-biphenyl, biaryl amine phenyl, N-phenyl-carbazolyl, (9,9-di-alkyl) fluorenyl, (9,9-dialkyl-substituted or unsubstituted phenyl) fluorenyl, or 9,9-spiro-fluorenyl.

3. The organic electronic material according to claim 2 , wherein,
R 1 , R 4 , R 5 , and R 8 are hydrogen, R 2 , R 3 , R 6 , and R 7 independently represent hydrogen, fluorine, methyl, ethyl, propyl, isopropyl, tert-butyl, phenyl, or naphthyl; and
Ar 1 -Ar 4 independently represent phenyl, tolyl, naphthyl, methyl naphthyl, biphenyl, diphenyl phenyl, naphthyl phenyl, diphenyl-biphenyl, (9,9-di-alkyl) fluorenyl, (9,9-dimethyl-substituted or unsubstituted phenyl) fluorenyl, or 9,9-spiro-fluorenyl.

4. The organic electronic material according to claim 3 , wherein:
Ar 2 , Ar 3 , and Ar 4 independently represent phenyl, naphthyl, or biphenyl, and
Ar 1 is phenyl, naphthyl, biphenyl, diphenyl phenyl, naphthyl phenyl, diphenyl-biphenyl, (9,9-di-alkyl) fluorenyl, (9-tolyl, 9′-phenyl) fluorenyl, or 9,9-spiro-fluorenyl.

5. The organic electronic material according to claim 4 , wherein:
R 2 , R 3 , R 6 , and R 7 are hydrogen, and
Ar 2 , Ar 3 , and Ar 4 independently represent phenyl or naphthyl.

6. An organic electronic material having a structure of one of the following structures:

7. The organic electronic material according to claim 6 , wherein the structure is one of the following structures:

8. The organic electronic material of claim 1 , wherein the structure is in an organic light-emitting device, organic solar cell, organic thin-film transistor, or organic photoreceptor.

9. The organic electronic material of claim 2 , wherein the structure is in an organic light-emitting device, organic solar cell, organic thin-film transistor, or organic photoreceptor.

10. The organic electronic material of claim 3 , wherein the structure is in an organic light-emitting device, organic solar cell, organic thin-film transistor, or organic photoreceptor.

11. The organic electronic material of claim 4 , wherein the structure is in an organic light-emitting device, organic solar cell, organic thin-film transistor, or organic photoreceptor.

12. The organic electronic material of claim 5 , wherein the structure is in an organic light-emitting device, organic solar cell, organic thin-film transistor, or organic photoreceptor.

13. The organic electronic material of claim 6 , wherein the structure is in an organic light-emitting device, organic solar cell, organic thin-film transistor, or organic photoreceptor.

14. The organic electronic material of claim 7 , wherein the structure is in an organic light-emitting device, organic solar cell, organic thin-film transistor, or organic photoreceptor.

Assignees

• Guangdong Aglaia Optoelectronic Mat Co Ltd
• Beijing Aglaia Tech Development Co Ltd

Inventors

• Dai Lei
• Huang Jinhai
• Chen Jinxin
• Cai Lifei

Classifications

• C07C211/54

  having amino groups bound to two or three six-membered aromatic rings · CPC title

• Y02P70/521

  Cross-Sectional Technologies · mapped topic

• C07C2603/24

  Anthracenes; Hydrogenated anthracenes · CPC title

• C07C13/66

  the condensed ring system contains only four rings · CPC title

• C07C2603/50

  Pyrenes; Hydrogenated pyrenes · CPC title