Patent · US Active

Green luminescent materials

US8273468B2 · kind B2 · utility

0Cited by

16References

13Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Norman Herron · Newark, US
Mark A. Guidry · Wilmington, US
Vsevolod Rostovtsev · Swarthmore, US
Jeffrey A. Merlo · Wilmington, US
Kalindi Dogra · Wilmington, US
Victoria J. North · Newark, US

Key dates

Filing date	Apr 13, 2011
Grant date	Sep 25, 2012
Priority date	—
Expiry date	Apr 13, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH10K2102/103
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

There is provided a green luminescent material having Formula I or Formula IIR1 and R2 can be the same or different and can be hydrogen, alkoxy, tertiary alkyl, or cycloalkyl. R3 and R4 are the same or different and can be fluorine, aryl, or alkyl. There is also provided an organic electronic device containing the green luminescent material.

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