Electrochromic display device

Details Electrochromic display device Electrochromic display device

G - Physics

02

F

345/6

G02F 1/01 (2006.01) G02F 1/163 (2006.01)

Patent

CA 1121037

Abstract An electrochromic display device and method of operating it are described in which said display device operates by the reversible redox reaction of an active electrochromic material and which has one or more display electrodes and means to supply current selectively to selected display electrodes, characterised in that each display electrode has a rough surface in contact with the active electrochromic material, and that, in operation of the device, the current density supplied to the display electrodes is such that the bulk concentration interface of the electrochromic material conforms to the contour of the rough electrode surface during the deposition of coloured species.

314399

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