Compound for organic electroluminescence device using the same

Patent metadata

Field	Value
Publication number	US-11211568-B2
Application number	US-201916252740-A
Country	US
Kind code	B2
Filing date	Jan 21, 2019
Priority date	Jan 21, 2019
Publication date	Dec 28, 2021
Grant date	Dec 28, 2021

Abstract

The present invention discloses an organic compound and an organic electroluminescence device using the organic compound as a material in the light emitting layer of the organic electroluminescence device. The organic compound may be for lowering a driving voltage, power consumption or increasing a current efficiency or 90% life time of the organic electroluminescence device.The same definition as described in the present invention.

First claim

What is claimed is:

1. An organic compound represented by the following formula (A):

wherein X is a divalent bridge selected from the group consisting of O and S; Y and Z are independently C(Rs) or N, Rs is a hydrogen atom or an alkyl group; P represents a substituted or unsubstituted naphthyl group; at least one of Y and Z is N; L represents a single bonded, a substituted or unsubstituted arylene group having 6 to 30 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 5 to 30 ring atoms; n represents an integer of 0 to 1; Ar 1 is selected from the group consisting of a substituted or unsubstituted aryl group having 5 to 30 ring atoms, a substituted or unsubstituted heteroaryl group having 5 to 30 ring atoms, a substituted or unsubstituted arylamine group having 5 to 30 ring atoms, or a substituted or unsubstituted heteroarylamine group having 5 to 30 ring atoms; Ar 2 represents a phenyl group or a naphthyl group.

2. The organic compound according to claim 1 , wherein the organic compound is represented by one of the following formula (B) to formula (J):

3. The organic compound according to claim 1 , wherein Ar 1 is a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted fluorene group, a substituted or unsubstituted benzofluorene group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted anthracenyl group, a substituted or unsubstituted phenanthrenyl group, a substituted or unsubstituted pyrenyl group, a substituted or unsubstituted chrysenyl group, a substituted or unsubstituted triphenylenyl group, a substituted or unsubstituted benzimidazole group, a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted biscarbazolyl group, a substituted or unsubstituted dibenzofuranyl group, a substituted or unsubstituted dibenzothiophenyl group, a substituted or unsubstituted triazinyl group, a substituted or unsubstituted diazinyl group, or a substituted or unsubstituted pyridinyl group.

4. The organic compound according to claim 1 , wherein Ar 1 represents one of the following substituents:

5. The organic compound according to claim 1 , wherein the organic compound is one of the following compounds:

Assignees

• Yen Feng Wen
• Hsiao Wen Feng
• Luminescence Tech Corp

Inventors

• Yen Feng-Wen
• Hsiao Wen-Feng

Classifications

• C09K11/06

  containing organic luminescent materials · CPC title

• C07D495/04 Primary

  Ortho-condensed systems · CPC title

• C09K2211/1018

  Heterocyclic compounds · CPC title

• H01L51/0072 Primary

  Electricity · mapped topic

• H01L2251/5376

  Electricity · mapped topic