Patent · US Active

Organic electroluminescent materials and devices

US10403830B2 · kind B2 · utility

0Cited by

31References

19Claims

0Family size

Assignee

UNIVERSAL DISPLAY CORPORATION · US

Inventors

Michael S. Weaver · Princeton, US
Nicholas J. Thompson · Ewing, US
Jason Brooks · Philadelphia, US
Geza SZIGETHY · Newtown, US
Glenn Morello · Pittsburgh, US
Jun Deng · Murrysville, US
Peter Djurovich · Long Beach, US
Hsiao-Fan CHEN · Lawrenceville, US

Key dates

Filing date	Jan 5, 2017
Grant date	Sep 3, 2019
Priority date	—
Expiry date	Jan 5, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH10K2101/10
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

An organic light emitting device (OLED) is provided. The OLED has an anode, a cathode, and an emission layer, disposed between the anode and the cathode, including a first emitting compound; wherein the first emitting compound is capable of functioning as a blue phosphorescent emitter in the OLED at room temperature; wherein the first emitting compound has PLQY of less than 90% at room temperature; wherein the OLED has an external quantum efficiency of between 8% and 20% at 1 mA/cm2.

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