Electro-optic device

Details Electro-optic device Electro-optic device

1978-09-27

1980-11-04

Edmundson, F. C.

Chemistry: electrical and wave energy

Apparatus

Coating, forming or etching by sputtering

204242, 350350R, G02F 101, G02F 123

Patent

active

042316413

ABSTRACT:
An electro-optic device comprising a transparent conductive layer, an electrochromic layer applied on the said transparent layer, these two first elements constituting together a first electrode, a counter-electrode maintained at distance from the said first electrode, and an electrolyte ensuring an ionic binding between the electrode and the counter-electrode. Preferably, the electrolyte is a polymer of linear molecules such as polystyrene sulfonic acid including a pigment.
A combination cell of a perfluorosulfonic acid polymer membrane and polystyrene sulfonic acid is disclosed.

REFERENCES:
patent: 3245935 (1966-04-01), Hargreaves et al.
patent: 3336271 (1967-08-01), Durocher
patent: 3396136 (1968-08-01), Dickerson
patent: 3684747 (1972-08-01), Coalson et al.
patent: 3708220 (1973-01-01), Meyers et al.
patent: 3774988 (1973-11-01), Rogers
patent: 3879108 (1975-04-01), Berets
patent: 3912368 (1975-10-01), Ponjee et al.
patent: 4088395 (1978-05-01), Giglia
patent: 4116546 (1978-09-01), Leibowitz

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