1978-01-04
1980-01-15
Davie, James W.
G02F 117
Patent
active
041836316
ABSTRACT:
An electronic display device is described in which the counter-electrode is made of a layer of porous metal which is electrochemically irreversible as well as a display electrode and an electrolyte containing an electrochromic substance capable of reversibly displaying color together with a solution of metal ions of the porous metal counter electrode. The electrodes and electrolyte are contained within a cell in which, during operation, an electric double layer is formed on the surface of the porous metal counter-electrode.
REFERENCES:
patent: 3854794 (1974-12-01), Van Dam
patent: 3978007 (1976-08-01), Giglia et al.
C. J. Shoot et al., "New Electrochromic Memory Display", Appl. Phys. Lett., vol. 23, No. 2, Jul. 15, 1973, pp. 64-65.
J. J. Cuomo et al., "Conductively Coated Porous Medium for use in Electrochromic Membrane Display," IBM Technical Disclosure Bulletin, vol. 18, No. 11, Apr. 1976, p. 3865.
Fukai Masakazu
Kondo Shigeo
Yoshiike Nobuyuki
Davie James W.
Matsushita Electric - Industrial Co., Ltd.
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