# US 2019/0173022 A1 · Nitrogen-containing condensed cyclic compound and organic light emitting device using same

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

- Number: US 2019/0173022 A1
- Document ID: US20190173022A1
- Status: Published application
- Kind: A1
- Application number: 16/269,238
- Filed: 2019-02-06
- Published: 2019-06-06
- Earliest claimed: 2015-06-03
- Assignees: LG Chem, Ltd.
- Applicants: LG Chem, Ltd.
- Inventors: Minjun KIM; Hyok Joon KWON; Wanpyo HONG; Kongkyeom KIM; Jungha LEE
- Web page: https://patentgrep.com/patent/US20190173022A1

## CPC

- C09K 11/06: containing organic luminescent materials
- C07D 487/16: Peri-condensed systems
- C07D 519/00: Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
- C09K 11/025: {non-luminescent particle coatings or suspension media}
- H10K 85/615: {Polycyclic condensed aromatic hydrocarbons, e.g. anthracene}
- H10K 85/622: {containing four rings, e.g. pyrene}
- H10K 85/657: {Polycyclic condensed heteroaromatic hydrocarbons}
- H10K 85/6572: {comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole}
- C09K 2211/1007: Non-condensed systems
- C09K 2211/1044: containing two nitrogen atoms as heteroatoms
- C09K 2211/1048: with oxygen
- C09K 2211/1051: with sulfur
- C09K 2211/1059: containing three nitrogen atoms as heteroatoms
- H10K 50/11: characterised by the electroluminescent [EL] layers
- H10K 85/342: {comprising iridium}
- H10K 2101/10: Triplet emission
- C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08)
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

The present specification provides a nitrogen-containing condensed cyclic compound of chemical formula 1 and an organic light emitting device comprising the same.

## Claims

### Claim at position 1

1-13. (canceled)

### Claim 14

A compound represented by the following Chemical Formula 2 or 3:
wherein in Chemical Formulae 2 and 3:
Ar is represented by the following Chemical Formula B:
wherein Y1, Y2 and Z1 to Z4 are the same as or different from each other, and each independently N or CRd,
Rd is hydrogen; deuterium; a nitrile group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted alkenyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted aryl group; a substituted or unsubstituted aromatic or aliphatic heterocyclic group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted aryloxy group; a substituted or unsubstituted alkylamine group; a substituted or unsubstituted arylamine group; a substituted or unsubstituted aralkylamine group; a substituted or unsubstituted alkylarylamine group; or a substituted or unsubstituted heteroarylamine group, or combine with an adjacent group to form a ring,
L is a direct bond; or a substituted or unsubstituted arylene group; and
R1 to R13 are the same as or different from each other, and each independently hydrogen; deuterium; a nitrile group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted alkenyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted aryl group; a substituted or unsubstituted aromatic or aliphatic heterocyclic group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted aryloxy group; a substituted or unsubstituted alkylamine group; a substituted or unsubstituted arylamine group; a substituted or unsubstituted aralkylamine group; a substituted or unsubstituted alkylarylamine group; or a substituted or unsubstituted heteroarylamine group.

### Claim 15 (depends on 1)

The compound of claim 1, wherein the compound of Chemical Formula 2 or 3 is represented by any one of the following compounds:

### Claim 16 (depends on 14)

An organic light emitting device comprising:
a first electrode;
a second electrode provided to face the first electrode; and
one or more organic material layers provided between the first electrode and the second electrode and comprising a light emitting layer,
wherein one or more layers of the organic material layers comprise the compound of claim 14.

### Claim 17 (depends on 16)

The organic light emitting device of claim 16, wherein the organic material layer comprises an electron transporting layer, an electron injection layer, a layer which simultaneously transports and injects electrons, a light emitting layer, a hole transporting layer, a hole injection layer, or a layer which simultaneously transports and injects holes, and the electron transporting layer, the electron injection layer, the layer which simultaneously transports and injects electrons, the light emitting layer, the hole transporting layer, the hole injection layer, or the layer which simultaneously transports and injects holes comprises the compound of Chemical Formula 2 or 3.

### Claim 18 (depends on 16)

The organic light emitting device of claim 16, wherein the light emitting layer comprises the compound of Chemical Formula 2 or 3.