Patent · US Active

Electrochromic formulation, method for the production thereof, and electrochromic organic component

US8289608B2 · kind B2 · utility

0Cited by

9References

7Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Andreas Kanitz · Edenkoben, DE
Wolfgang Roth · Zweibrücken, DE

Key dates

Filing date	Sep 24, 2009
Grant date	Oct 16, 2012
Priority date	—
Expiry date	Oct 8, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2211/1029
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Formulations are used in organically based electrochromic components, e.g. for producing displays and/or state indicators having a longer service life. The service life is increased by end-capping the 4,4′-bipyridinium salt.

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