Patent · US Active

Organic electroluminescent materials and devices

US11611042B2 · kind B2 · utility

1Cited by

35References

18Claims

0Family size

Assignee

UNIVERSAL DISPLAY CORPORATION · US

Inventors

Vadim Adamovich · Yardley, US
Hitoshi Yamamoto · Chino, JP
Ting-Chih Wang · Lawrenceville, US
Michael S. Weaver · Princeton, US
Chuanjun Xia · Lawrenceville, US
Bert Alleyne · Ewing, US
Pierre-Luc T. BOUDREAULT · Ewing, US
Alexey Borisovich Dyatkin · Ambler, US
Scott Joseph · Ewing, US

Key dates

Filing date	Jul 2, 2020
Grant date	Mar 21, 2023
Priority date	—
Expiry date	Jul 2, 2040

Classification

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

Abstract

A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed.

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