Electrochromic device

Details Electrochromic device Electrochromic device

2008-03-25

2008-03-25

Dang, Hung (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

Reexamination Certificate

active

07349142

ABSTRACT:
An electrochromic component (3) generally includes: a first electrode (30), an opposite second electrode (32); a electrically conductive polymer layer (34) provided on the second electrode and facing the first electrode; and a gas chamber (36) for receiving a working gas (40), the gas chamber being defined between the first and second electrodes. The working gas is capable of having an electrochromic reation with the polymer layer under an electric field applied by the first and second electrodes. The polymer layer may be made of at least one material chosen from the group of polyacetylene, polypyrrole, and polyaniline. The working gas may be one of an oxidizing gas and a reducing gas. For example, the working gas can be oxygen gas or hydrogen gas. Advantageously, the gas chamber includes a working gas inlet and a working gas outlet.

REFERENCES:
patent: 5086351 (1992-02-01), Couput et al.
patent: 6606184 (2003-08-01), Guarr et al.

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