Electrochromic display device

Details Electrochromic display device Electrochromic display device

1979-04-18

1980-12-16

Davie, James W.

G02F 117

Patent

active

042393507

ABSTRACT:
An electrochromic display device comprises a display electrode, a counter electrode spaced from the display electrode, an electrolyte filled in the space between the display and counter electrodes, a first coloring layer formed on the display electrode and a second coloring layer laid on the first coloring layer. The first coloring layer is a crystalline layer containing electrochromic material and having a specific pattern. The second coloring layer is an amorphous layer containing electrochromic material.

REFERENCES:
patent: 3712710 (1973-01-01), Castellion et al.
patent: 4120568 (1978-10-01), Deb et al.
patent: 4175837 (1979-11-01), Inami et al.
Sichel et al., "Electrochromism in the Composite Material Au-WO.sub.3 ", Applied Physics Letters, vol. 31, No. 2, Jul. 15, 1977, pp. 109-111.
Schirmer et al., "Dependence of WO.sub.3 Electrochromic Absorption on Crystallinity", Journal of Electrochemical Society, vol. 124, No. 5, May 1977, pp. 749-753.

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