Polymer having isothianaphthene structure and electrochromic dis

Details Polymer having isothianaphthene structure and electrochromic dis Polymer having isothianaphthene structure and electrochromic dis

1986-12-02

1988-09-20

Andrews, R. L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358902, 136263, 429111, 429122, 429128, 204290R, 204291, H04N 930

Patent

active

047729406

ABSTRACT:
An electrochromic display device is provided in which a high molecular weight conductive membrane is formed on a conductive, transparent base, and an opposing electrode is arranged thereunder via a liquid electrolyte. The conductive, electrochromic membrane is a polyisothianaphthene, a chemically and physically stable material which gives the device superior electrochromic switching characteristics, including a fast response time and a high contrast color change upon oxidation and reduction. Other applications which rely on the electrochromic properties of the polyisothianaphthene are disclosed as well.

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