US Patent 11180519 Organic electroluminescent materials and devices

Patent 11180519 was granted and assigned to Universal Display Corporation on November, 2021 by the United States Patent and Trademark Office.

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Date of Patent

November 23, 2021

Patent Application Number

16260432

Date Filed

January 29, 2019

Patent Primary Examiner

Patent abstract

A compound comprising a first ligand LA of Formula I,

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