Electrochromic display device

Details Electrochromic display device Electrochromic display device

1978-02-13

1979-09-11

Davie, James W.

G02F 117

Patent

active

041673085

ABSTRACT:
An electrochromic display device has an improved counter electrode arrangement. The device has a plurality of display elctrodes and a counter electrode in contact with a first electrolyte of a primary redox system. The counter electrode is charged to a predetermined potential. A secondary redox system is associated with the primary redox system. A secondary electrode in the secondary redox system is electrically connected to the counter electrode to maintain the charge on the counter electrode at a predetermined potential.

REFERENCES:
patent: 3453038 (1969-07-01), Kissa et al.
patent: 3712709 (1973-01-01), Kenworthy

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