# US 2021/0280799 A1 · Novel compound and organic light emitting device comprising the same

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2021/0280799 A1
- Document ID: US20210280799A1
- Status: Published application
- Kind: A1
- Application number: 17/253,085
- Filed: 2019-07-08
- Published: 2021-09-09
- Earliest claimed: 2018-07-06
- Assignees: LG Chem, Ltd.
- Applicants: LG Chem, Ltd.
- Inventors: Min Woo JUNG; Dong Hoon LEE; Boonjae JANG; Jungha LEE; Su Jin HAN; Seulchan PARK; Sunghyun HWANG
- Web page: https://patentgrep.com/patent/US20210280799A1

## CPC

- H10K 85/6572: {comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole}
- C07D 209/86: with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
- C07D 405/14: containing three or more hetero rings
- C07D 409/14: containing three or more hetero rings
- C09K 11/06: containing organic luminescent materials
- H10K 85/615: {Polycyclic condensed aromatic hydrocarbons, e.g. anthracene}
- H10K 85/6574: {comprising only oxygen in the heteroaromatic polycondensed ring system, e.g. cumarine dyes}
- H10K 85/6576: {comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene}
- C09K 2211/1018: Heterocyclic compounds
- H10K 50/11: characterised by the electroluminescent [EL] layers
- H10K 2101/10: Triplet emission
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08)
- C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE

## Abstract

Provided is a novel compound of Chemical Formula 1: wherein, in Chemical Formula 1; X is O, S, or C(R1R2); R1 and R2 are each independently a substituted or unsubstituted C1-60 alkyl; Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl; R1′ and R2′ are each independently hydrogen, deuterium, halogen, cyano, nitro, amino, or a substituted or unsubstituted C1-60 alkyl; R3′, R4′, R5′, and R6′ are each independently hydrogen, deuterium, halogen, cyano, nitro, amino, or a substituted or unsubstituted C1-60 alkyl; a, d, and f are each independently an integer of 0 to 4; b is an integer of 0 to 2; and c and e are each independently an integer of 0 to 3, and an organic light emitting device including the same.

## Claims

### Claim 1

A compound of Chemical Formula 1:
wherein, in Chemical Formula 1:
X is O, S, or C(R1R2);
R1 and R2 are each independently a substituted or unsubstituted C1-60 alkyl;
Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl;
R1′ and R2′ are each independently hydrogen, deuterium, halogen, cyano, nitro, amino, or a substituted or unsubstituted C1-60 alkyl;
R3′, R4′, R5′, and R6′ are each independently hydrogen, deuterium, halogen, cyano, nitro, amino, or a substituted or unsubstituted C1-60 alkyl;
a, d, and f are each independently an integer of 0 to 4;
b is an integer of 0 to 2; and
c and e are each independently an integer of 0 to 3.

### Claim 2 (depends on 1)

The compound according to claim 1, wherein R1 and R2 are each independently methyl, ethyl or propyl.

### Claim 3 (depends on 1)

The compound according to claim 1, wherein Ar1 and Ar2 are each independently any one compound selected from the group consisting of the following compounds:

### Claim 4 (depends on 1)

The compound according to claim 1, wherein Ar1 and Ar2 are each independently

### Claim 5 (depends on 1)

The compound according to claim 1, wherein the compound of Chemical Formula 1 is any compound selected from the group consisting of the following compounds:

### Claim 6 (depends on 1)

An organic light emitting device, comprising:
a first electrode;
a second electrode that is disposed opposite to the first electrode; and
one or more organic material layers that are disposed between the first electrode and the second electrode,
wherein one or more layers of the organic material layers include the compound of claim 1.

### Claim 7 (depends on 6)

The organic light emitting device according to claim 6, wherein the organic material layer including the compound is a light emitting layer.

### Claim 8 (depends on 2)

An organic light emitting device comprising a first electrode; a second electrode that is disposed opposite to the first electrode; and one or more organic material layers that are disposed between the first electrode and the second electrode, wherein one or more layers of the organic material layers include the compound of claim 2.

### Claim 9 (depends on 3)

An organic light emitting device comprising a first electrode; a second electrode that is disposed opposite to the first electrode; and one or more organic material layers that are disposed between the first electrode and the second electrode, wherein one or more layers of the organic material layers include the compound of claim 3.

### Claim 10 (depends on 4)

An organic light emitting device comprising a first electrode; a second electrode that is disposed opposite to the first electrode; and one or more organic material layers that are disposed between the first electrode and the second electrode, wherein one or more layers of the organic material layers include the compound of claim 4.

### Claim 11 (depends on 5)

An organic light emitting device comprising a first electrode; a second electrode that is disposed opposite to the first electrode; and one or more organic material layers that are disposed between the first electrode and the second electrode, wherein one or more layers of the organic material layers include the compound of claim 5.