Patent · US Expired

OLEDs doped with phosphorescent compounds

US6872477B2 · kind B2 · utility

18Cited by

43References

16Claims

0Family size

Assignees

THE TRUSTEES OF PRINCETON UNIVERSITY · US
University of Southern California · US

Inventors

Mark E. Thompson · Villa Park, US
Yujian You · Lansdale, US
Andrei Shoustikov · Los Angeles, US
Scott Sibley · Baltimore, US
Paul E. Burrows · Chattaroy, US
Stephen R. Forrest · Ann Arbor, US

Key dates

Filing date	Apr 30, 2003
Grant date	Mar 29, 2005
Priority date	—
Expiry date	Apr 30, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24942
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Organic light emitting devices are disclosed which are comprised of a heterostructure for producing electroluminescence wherein the heterostructure is comprised of an emissive layer containing a phosphorescent dopant compound. For example, the phosphorescent dopant compound may be comprised of platinum octaethylporphine (PtOEP), which is a compound having the chemical structure with the formula:

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