Electrochromic organic component

US8373918B2 · kind B2 · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

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

Key dates

• Filing date: Sep 22, 2009
• Grant date: Feb 12, 2013
• Expiry date: Sep 28, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2211/1466
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

An organically based electrochromic component, e.g. for the production of displays and/or state indicators produces at least two colors. For the first time, two colors can be switched according to the voltage by using a dye system of 4,4′-bipyridinium salts.