Electrochemical display cell with focused field

Details Electrochemical display cell with focused field Electrochemical display cell with focused field

G - Physics

09

F

G09F 9/00 (2006.01) G02F 1/15 (2006.01) G02F 1/155 (2006.01) G09F 7/00 (2006.01) G09F 9/30 (2006.01) H01M 6/38 (2006.01) H01M 6/50 (2006.01) G02F 1/153 (2006.01) H01M 6/40 (2006.01)

Patent

CA 2236202

An electrochemical display cell has a layered construction including two electrode layers separated by a dielectric layer. Concentric openings are formed in the dielectric layer and one of the electrode layers exposing a designated portion of the other electrode layer. An electrolyte layer overlaps the one electrode layer and the designated portion of the other electrode layer. When activated, current flow cascades through the openings in the one electrode layer and the dielectric layer to the designated portion of the other electrode layer supporting an electrochemical reaction that erodes the designated portion revealing underlying visual information.

Cellule d'affichage électrochimique à construction par couches, comprenant deux couches électrodes séparées par une couche diélectrique. Des ouvertures concentriques sont formées dans la couche diélectrique et une des couches électrodes, exposant une partie désignée de l'autre couche électrode. Une couche électrolyte recouvre la première couche électrode et la partie désignée de l'autre couche électrode. A l'activation, le courant traverse en cascade les ouvertures de la première couche électrode et de la couche diélectrique vers la partie désignée de l'autre couche électrode, où une réaction électrochimique d'érosion révèle l'information visuelle sous-jacente.

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