Dish shaped substrate for electrochromic displays

Details Dish shaped substrate for electrochromic displays Dish shaped substrate for electrochromic displays

1981-09-24

1983-02-22

Davie, James W.

350344, G02F 117

Patent

active

043746101

ABSTRACT:
An electrochromic display comprises an electrochromic material held in two electrode carrying substrates to manifest reversible variations in the light absorption properties upon application of a predetermined voltage to the electrodes. At least one of the two substrates is dish shaped to accurately determine the distance between the electrodes formed on the two substrates. In a preferred form, grooves are formed at the periphery, or, the raised portion of the dish shaped substrate into which conductive material is introduced to facilitate the electrical connection between the dish shaped substrate and the counter substrate, whereby terminals for the dish shaped substrate are formed on the counter substrate. Another groove is formed at the periphery, or, the raised portion of the dish shaped substrate, through which an electrolyte is impregnated into the cavity defined by the two substrates.

REFERENCES:
patent: 3771855 (1973-11-01), Burns
patent: 3879108 (1975-04-01), Berets
patent: 3912368 (1975-10-01), Ponjee et al.
patent: 4039253 (1977-08-01), Jain
patent: 4070749 (1978-01-01), Misono et al.

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