G - Physics – 02 – F
Patent
G - Physics
02
F
G02F 1/153 (2006.01) G02F 1/15 (2006.01)
Patent
CA 2385837
A reversible electrochemical mirror device includes a substantially transparent first electrode (106) having a textured surface, and a second electrode (110) which may be distributed in localized areas. An electrolytic solution (112), disposed between the first and second electrodes, contains ions (116) of a metal which can electrodeposit on the electrodes. A negative electrical potential applied to the first electrode causes deposited metal to be dissolved from the second electrode into the electrolytic solution and to be electrodeposited from the solution onto the textured surface of the first electrode, thereby affecting the reflectivity of the device for electromagnetic radiation. Because of the textured surface, light striking the first electrode is diffusely reflected, making the device desirable for architectural and automotive glass applications. A surface modification layer (108) applied to the first electrode ensures that the electrodeposit is substantially uniform. A positive electrical potential applied to the first electrode causes deposited metal to be dissolved from the first electrode and electrodeposited from the solution onto the second electrode, thereby decreasing the reflection of radiation by the device.
L'invention concerne un dispositif de miroir electrochimique reversible, comprenant une première électrode (106) sensiblement transparente à surface texturée, et une seconde electrode (110) répartie dans des zones localisées. Une solution electrolytique (112) placée entre les première et seconde electrodes contient des ions (116) d'un metal pouvant être déposé pa électrolyse sur les electrodes. Un potentiel électrique négatif appliqué sur la première électrode provoque la dissolution du métal déposé sur la seconde électrode dans la solution electrolytique et un dépôt électrolytique de la solution sur la surface texturée de la première électrode, affectant ainsi la propagation du rayonnement électromagnétique à travers le dispositif. Because of the textured surface, light striking the first electrode is diffusely reflected, making the device desirable for architectural and automotive glass applications. A surface modification layer (108) applied to the first electrode ensures that the electrodeposit is substantially uniform. A positive electrical potential applied to the first electrode causes deposited metal to be dissolved from the first electrode and electrodeposited from the solution onto the second electrode, thereby decreasing the reflection of radiation by the device.
Cunningham Michael A.
Tench D. Morgan
Warren Leslie F. Jr.
Innovative Technology Licensing Llc
Oyen Wiggs Green & Mutala Llp
Rockwell Scientific Licensing Llc.
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