Electrochromic cell having a mixed solid ion-conducting layer

Details Electrochromic cell having a mixed solid ion-conducting layer Electrochromic cell having a mixed solid ion-conducting layer

1981-02-19

1983-07-12

Davie, James W.

G02F 117

Patent

active

043927211

ABSTRACT:
An electrochromic device comprises a layer of electrochromic tungsten oxide in contact with an ion-conductive insulating layer of codeposited mixture of SiO and Cr.sub.2 O.sub.3 between electrodes of reversible polarity for alternately coloring and erasing the electrochromic layer by alternate application of current in opposite directions. The mixture of components in the ion-conductive layer improves cycling life of the device.

REFERENCES:
patent: 4294520 (1981-10-01), Inoue et al.

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