Patent · US Expired

Arrangement based on poly-(3,4-dioxythiophene) derivatives which are electrochromically switched with protons

US6507428B1 · kind B1 · utility

14Cited by

14References

8Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Helmut-Werner Heuer · Krefeld, DE
Rolf Wehrmann · Krefeld, DE

Key dates

Filing date	Apr 3, 2001
Grant date	Jan 14, 2003
Priority date	—
Expiry date	Apr 3, 2021

Classification

Technology area (CPC H)Electricity
CPC primaryH01B1/127
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to electrochromic arrangements in a layered structure which are characterized in that one layer contains an electrically conductive electrochromic polydioxythiophene, another layer comprises an electrolyte containing a protonic acid, and another layer comprises an ion storage or a mixture of ion storages.

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