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

Patent metadata

Field	Value
Publication number	US-12378215-B2
Application number	US-202318860313-A
Country	US
Kind code	B2
Filing date	Oct 10, 2023
Priority date	Jan 11, 2023
Publication date	Aug 5, 2025
Grant date	Aug 5, 2025

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

The invention claimed is:

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. The organic compound according to claim 1 , wherein

is selected from the group consisting of:

and

is selected from the group consisting of:

3. The organic compound according to claim 1 , wherein

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

4. 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

• C07D409/14

  containing three or more hetero rings · CPC title

• C07D405/14

  containing three or more hetero rings · CPC title

• C07D401/10

  linked by a carbon chain containing aromatic rings · CPC title

• C07B2200/05

  Isotopically modified compounds, e.g. labelled · CPC title

• C07B59/004

  Acyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium · CPC title