Patent · US Active

Electroactive materials

US9276217B2 · kind B2 · utility

0Cited by

0References

13Claims

0Family size

Assignee

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

Inventors

Weiying Gao · Landenberg, US
Norman Herron · Newark, US
Mark A. Guidry · Wilmington, US

Key dates

Filing date	Dec 13, 2011
Grant date	Mar 1, 2016
Priority date	—
Expiry date	Dec 24, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/549
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

There is provided an electroactive compound having Formula IIn the formula: Ar1, Ar2, and Ar3 are the same or different and are aryl groups; R1 is the same or different at each occurrence and is D, alkyl or aryl; a is an integer from 0-4. The compound has a LUMO level deeper than −2.3 eV and a band gap of at least 2.9 eV.

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