Electrochromic device

Details Electrochromic device Electrochromic device

2007-11-08

2009-02-10

Choi, William C. (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S269000, C359S270000, C359S273000, C359S275000

Reexamination Certificate

active

07489431

ABSTRACT:
An electrochromic device is disclosed, including two electrochromic elements, which are switched in a time separated manner. Each electrochromic element is arranged of electrochemically active material, and connected to a counter layer by a solidified electrolyte. In at least one embodiment, the electrochromic device further includes at least one resistive device which restricts the electrochemical reaction of one of the electrochromic element, such that a color of this electrochromic element is not substantially altered until the other electrochromic element is reacted to a predetermined extent.

REFERENCES:
patent: 6587250 (2003-07-01), Armgarth et al.
patent: 2002/0134980 (2002-09-01), Armgarth et al.
European Search Report for corresponding application.
David Nilsson et al. “Electrochemical Logic Circuits.” Advanced Materials. Wiley-Vch, Weinheim, Germany, No. 3, Feb. 10, 2005, pp. 353-358.
Peter Andersson et al. “Active Matrix Displays Based on All-Organic Electrochemical Smart Pixels Printed on Paper.” Advanced Materials. Wiley-Vch, Weinheim, Germany, vol. 14, No. 20, Oct. 16, 2002, pp. 1460-1464.

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