# US 2014/0151649 A1 · Phosphorescent compound and organic light emitting diode device using the same

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- Number: US 2014/0151649 A1
- Document ID: US20140151649A1
- Status: Published application
- Kind: A1
- Application number: 13/973,779
- Filed: 2013-08-22
- Published: 2014-06-05
- Earliest claimed: 2012-12-03
- Assignees: LG Display Co., Ltd.
- Applicants: LG Display Co., Ltd.
- Inventors: Jung-Keun KIM; In-Bum SONG; Bo-Min SEO; Jae-Hyung YU
- Web page: https://patentgrep.com/patent/US20140151649A1

## CPC

- H10K 85/40: Organosilicon compounds, e.g. TIPS pentacene
- C07F 7/0814: {said ring is substituted at a C ring atom by Si}
- C07F 7/10: containing nitrogen {having a Si-N linkage}
- C09K 11/06: containing organic luminescent materials
- C09K 2211/1022: bridged by heteroatoms, e.g. N, P, Si or B
- C09K 2211/1029: containing one nitrogen atom as the heteroatom
- H10K 85/342: {comprising iridium}
- H10K 2102/103: {comprising indium oxides, e.g. ITO}
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- C07F: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM (metal-containing porphyrins C07D487/22)
- C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE

## Abstract

The present invention provides a phosphorescent compound of following formula: wherein each of X1 and X2 is independently selected from substituted or non-substituted carboline, dibenzofuran, dibenzothiophene and fluorene.

## Claims

### Claim 1

A phosphorescent compound of following formula:
wherein each of X1 and X2 is independently selected from substituted or non-substituted carboline, dibenzofuran, dibenzothiophene and fluorene.

### Claim 2 (depends on 1)

The compound according to claim 1, wherein the substituent of carboline, dibenzofuran, dibenzothiophene and fluorene is one of C6˜C12 alkyl, C6˜C12 aryl and pyridine.

### Claim 3

An organic light emitting diode device, comprising:
a first electrode;
a second electrode facing the first electrode;
an emitting material layer between the first and second electrodes;
a hole transporting layer between the first electrode and the emitting material layer; and
an electron transporting layer between the second electrode and the emitting material layer,
wherein at least one of the emitting material layer and the electron transporting layer includes a phosphorescent compound of following formula, and each of X1 and X2 is independently selected from substituted or non-substituted carboline, dibenzofuran, dibenzothiophene and fluorene:

### Claim 4 (depends on 3)

The device according to claim 3, wherein the substituent of carboline, dibenzofuran, dibenzothiophene and fluorene is one of C6˜C12 alkyl, C6˜C12 aryl and pyridine.

### Claim 5 (depends on 3)

The device according to claim 3, further comprising a hole blocking layer between the emitting layer and the electron transporting layer, wherein hole blocking layer includes the phosphorescent compound.