Electrochromic display device

Details Electrochromic display device Electrochromic display device

1981-06-26

1983-03-01

Davie, James W.

G02F 117

Patent

active

043753191

ABSTRACT:
Electrochromic display device in which a display electrode is formed by depositing electrochromic material to a required configuration on a transparent conductive film comprising a portion contacted by the electrochromic material and a portion constituting a lead extension for connection to an external circuit, and both the conductive film lead extension and electrochromic material are covered by a layer of material which permits passage of ions between an electrolyte and the electrochromic material but is an insulator with respect to electrons, and thus colored display may be effected in a required manner but damage of the conductive film is prevented.

REFERENCES:
patent: 3879108 (1975-04-01), Berets
patent: 3981560 (1976-09-01), Heyman et al.
patent: 4115631 (1978-09-01), Deb

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