# US 10,770,662 B2 · Organic compound, organic light emitting diode and organic light emitting display device

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- Number: US 10,770,662 B2
- Document ID: US10770662B2
- Status: Granted
- Kind: B2
- Application number: 15/823,928
- Filed: 2017-11-28
- Published: 2018-05-31
- Granted: 2020-09-08
- Earliest claimed: 2016-11-30
- Assignees: LG Display Co., Ltd.; Korea University Research and Business Foundation
- Applicants: LG Display Co., Ltd.; Korea University Research and Business Foundation
- Inventors: Dae-Wi Yoon; Jun-Yun Kim; Dong-Hoon Choi; Su-Na Choi
- Web page: https://patentgrep.com/patent/US10770662B2

## CPC

- C07D 401/14: containing three or more hetero rings
- C09K 11/06: containing organic luminescent materials
- H10K 59/124: Insulating layers formed between TFT elements and OLED elements
- H10K 85/654: {comprising only nitrogen as heteroatom (H10K85/652 takes precedence)}
- H10K 85/6572: {comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole}
- C09K 2211/1018: Heterocyclic compounds
- H10K 50/11: characterised by the electroluminescent [EL] layers
- H10K 50/12: comprising dopants
- H10K 50/15: Hole transporting layers
- H10K 50/16: Electron transporting layers
- H10K 50/17: Carrier injection layers
- H10K 50/171: {Electron injection layers}
- H10K 59/12: Active-matrix OLED [AMOLED] displays
- H10K 2101/10: Triplet emission
- H10K 2101/30: Highest occupied molecular orbital [HOMO], lowest unoccupied molecular orbital [LUMO] or Fermi energy values
- C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08)
- C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

The present invention provides an organic compound of following formula and an organic light emitting diode and an OLED device including the organic compound.

## Claims

### Claim 1

An organic compound of following formula:
wherein R is carbazole.

### Claim 2 (depends on 1)

The organic compound according to claim 1, wherein the organic compound is selected from the following:

### Claim 3 (depends on 1)

The organic compound according to claim 1, wherein the carbazole moiety substituted by R has a meta-position or a para-position with respect to a single carbazole moiety connected to a pyridine moiety.

### Claim 4 (depends on 1)

An organic light emitting diode, comprising:
a first electrode;
a second electrode facing the first electrode; and
an organic emitting layer between the first and second electrodes and including the organic compound according to claim 1.

### Claim 5 (depends on 4)

The organic light emitting diode according to claim 4, wherein the organic compound is selected from the following:

### Claim 6 (depends on 4)

The organic light emitting diode according to claim 4, wherein the carbazole moiety substituted by R has a meta-position or a para-position with respect to a single carbazole moiety connected to a pyridine moiety.

### Claim 7 (depends on 1)

An organic light emitting display device, comprising:
a substrate;
an organic light emitting diode over the substrate and including a first electrode, a second electrode facing the first electrode and an organic emitting layer between the first and second electrodes; and
a thin film transistor between the substrate and the organic light emitting diode and connected to the organic light emitting diode,
wherein the organic emitting layer includes the organic compound according to claim 1.

### Claim 8 (depends on 7)

The organic light emitting display device according to claim 7, wherein the organic compound is selected from following:

### Claim 9 (depends on 7)

The organic light emitting display device according to claim 7, wherein the carbazole moiety substituted by R has a meta-position or a para-position with respect to a single carbazole moiety connected to a pyridine moiety.

### Claim 10 (depends on 4)

The organic light emitting diode according to claim 4, wherein the organic emitting layer further includes a dopant selected from the following:

### Claim 11 (depends on 7)

The organic light emitting display device according to claim 7, wherein the organic emitting layer further includes a dopant selected from the following: