Patent · US Active

Organic electroluminescent materials and devices

US10199581B2 · kind B2 · utility

6Cited by

34References

22Claims

0Family size

Assignee

UNIVERSAL DISPLAY CORPORATION · US

Inventors

Pierre-Luc T. BOUDREAULT · Ewing, US
Alexey Borisovich Dyatkin · Ambler, US
David Zenan Li · Princeton, US
Scott Joseph · Ewing, US
Chuanjun Xia · Lawrenceville, US
Hitoshi Yamamoto · Chino, JP
Michael S. Weaver · Princeton, US
Bert Alleyne · Ewing, US
James Fiordeliso · Yardley, US

Key dates

Filing date	Jul 1, 2013
Grant date	Feb 5, 2019
Priority date	—
Expiry date	Jan 21, 2036

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/549
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A compound having an ancillary ligand L1 having the formula: Formula I is disclosed. The ligand L1 is coordinated to a metal M having an atomic number greater than 40, and two adjacent substituents are optionally joined to form into a ring. Such compound is suitable for use as emitters in organic light emitting devices.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.