Compound and organic light emitting device comprising the same

Patent metadata

Field	Value
Publication number	US-11700768-B2
Application number	US-201816475239-A
Country	US
Kind code	B2
Filing date	Mar 13, 2018
Priority date	Apr 27, 2017
Publication date	Jul 11, 2023
Grant date	Jul 11, 2023

Abstract

Provided is a compound of Formula 1:

where X is O or S; Ar 1 is an aryl having 6 to 20 carbon atoms substituted with at least one functional group selected from the group consisting of cyano, pyridinyl, benzimidazolyl and diphenylphosphine oxide, or a substituted or unsubstituted heteroaryl having 3 to 20 carbon atoms containing at least one N; and Ar 2 is a functional group of Formula 2 below, with the proviso that Ar 1 and Ar 2 are different from each other,

where Ar 3 is an aryl having 6 to 20 carbon atoms, and m is an integer of 0 to 2, and an organic light emitting device comprising the same.

First claim

The invention claimed is:

1. A compound of Formula 1:

wherein in Formula 1:
X is O or S;
Ar 1 is:

Ar 2 is a functional group of Formula 2 below:

wherein in Formula 2:
Ar 3 is phenyl; and
m is an integer of 0 or 1.

2. The compound of claim 1 , wherein Ar 1 is

3. The compound of claim 1 , wherein Ar 2 is any one functional group selected from the group consisting of the following functional groups:

4. The compound of claim 1 , wherein the compound is a compound of Formula 1a:

wherein in Formula 1a:
X is O or S;
Ar 1 is:

Ar 3 is phenyl; and
m is an integer of 0 or 1.

5. The compound of claim 1 , wherein the compound is any one compound selected from the group consisting of the following compounds:

6. An organic light emitting device, comprising:
a first electrode;
a second electrode provided at a side opposite to the first electrode; and
at least one layer of an organic material layer provided between the first electrode and the second electrode, wherein the at least one layer of the organic material layer includes a compound of claim 1 .

Assignees

• Lg Chemical Ltd

Inventors

• Yang Jung Hoon
• Lee Dong Hoon
• Huh Jung Oh
• Jang Boon Jae
• Kang Min Young
• Heo Dong Uk
• Han Mi Yeon
• Jung Min Woo

Classifications

• C09K11/06

  containing organic luminescent materials · CPC title

• H10K50/16

  Electron transporting layers · CPC title

• H10K85/6576

  comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene · CPC title

• H10K85/6574

  comprising only oxygen in the heteroaromatic polycondensed ring system, e.g. cumarine dyes · CPC title

• H10K50/171

  Electron injection layers · CPC title