Electrochromic assembly based on poly(3,4-ethylenedioxythiophene) derivatives in combination with a lithium niobate counterelectrode

US6327070A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

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

Key dates

• Filing date: May 27, 1999
• Grant date: Dec 4, 2001
• Expiry date: May 27, 2019

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31678
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

Electrochromic assemblies having a layer structure, characterized in that one layer is an electrically conductive, electrochromic polydioxythiophene and a further layer is an ion-storage compound of the formula (I) EQU LiMeO.sub.3 (I) where PA1 Me represents a metal of transition group V of the Mendeleev Periodic Table.