US Patent 11943999 Organic electroluminescent materials and devices

Is a

Patent

Patent attributes

Patent Applicant

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Universal Display Corporation

Current Assignee

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Universal Display Corporation

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

119439990

Patent Inventor Names

Chun Lin0

Jui-Yi Tsai0

Chuanjun Xia0

Date of Patent

March 26, 2024

Patent Application Number

172086620

Date Filed

March 22, 2021

Patent Citations

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US Patent 7279704 Complexes with tridentate ligands

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US Patent 7332232 OLEDs utilizing multidentate ligand systems

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US Patent 7338722 Phenyl and fluorenyl substituted phenyl-pyrazole complexes of Ir

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US Patent 7393599 Luminescent compounds with carbene ligands

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US Patent 7396598 Light emitting material and organic light-emitting device

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US Patent 7431968 Process and apparatus for organic vapor jet deposition

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US Patent 7442797 Platinum complex and light emitting device

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US Patent 7445855 Cationic metal-carbene complexes

...

Patent Primary Examiner

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Sean M DeGuire

Patent abstract

Novel Pt tetradentate complexes having Pt—O bond is disclosed. These complexes are useful as emitters in phosphorescent OLEDs.

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US Patent 11943999 Organic electroluminescent materials and devices

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