Organic compound, composition, organic electroluminescent device, and electronic apparatus

Patent metadata

Field	Value
Publication number	US-2025122168-A1
Application number	US-202318860313-A
Country	US
Kind code	A1
Filing date	Oct 10, 2023
Priority date	Jan 11, 2023
Publication date	Apr 17, 2025
Grant date	—

Abstract

The present disclosure belongs to the technical field of organic electroluminescence, and relates to an organic compound, and a composition, an organic electroluminescent device, and an electronic apparatus using the same. The organic compound has a structure as shown in a formula 1, and when the organic compound is used in an organic electroluminescent device, the performance of the organic electroluminescent device can be significantly improved.

First claim

1 . An organic compound, having a structure as shown in a formula 1:

wherein Ar 1 is selected from a substituted or unsubstituted phenyl, a substituted or unsubstituted naphthyl, a substituted or unsubstituted biphenyl, a substituted or unsubstituted phenanthryl, a substituted or unsubstituted fluorenyl, a substituted or unsubstituted terphenyl, a substituted or unsubstituted dibenzofuranyl, or a substituted or unsubstituted dibenzothienyl;
Ar 2 is selected from a substituted or unsubstituted phenyl, a substituted or unsubstituted naphthyl, or a substituted or unsubstituted biphenyl;
substituent(s) in Ar 1 are the same or different, and are respectively and independently selected from deuterium, a fluorine, a cyano, a methyl, an ethyl, a n-propyl, an isopropyl, a tert-butyl, a phenyl, or a pentadeuterophenyl;
substituent(s) in Ar 2 are the same or different, and are respectively and independently selected from deuterium, a fluorine, a cyano, a methyl, an ethyl, a n-propyl, an isopropyl, or a tert-butyl;
L, L 1 and L 2 are the same or different, and are respectively and independently selected from a single bond, a substituted or unsubstituted phenylene, a substituted or unsubstituted naphthylene, or a substituted or unsubstituted biphenylene; and
substituent(s) in L, L 1 and L 2 are the same or different, and are respectively and independently selected from deuterium, a fluorine, a cyano, a methyl, an ethyl, a n-propyl, an isopropyl, a tert-butyl, or a phenyl; and
Ar 3 is

2 . (canceled)

3 . (canceled)

4 . (canceled)

5 . The organic compound according to claim 1 , wherein

is

selected from the group consisting of:

is selected from the group consisting of:

6 . The organic compound according to claim 1 , wherein

in the formula 1 is selected from the group consisting of:

7 . The organic compound according to claim 1 , wherein the organic compound is selected from the group consisting of the following compounds:

Assignees

• Shaanxi Lighte Optoelectronics Mat Co Ltd

Inventors

• Ma Tiantian
• Yang Lei
• Feng Zhen

Classifications

• C07D251/24

  to three ring carbon atoms · CPC title

• H10K85/633

  comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom · CPC title

• H10K85/636

  comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom · CPC title

• C07D401/04 Primary

  directly linked by a ring-member-to-ring-member bond · CPC title

• C07D401/10

  linked by a carbon chain containing aromatic rings · CPC title