Electrochemical display and timing mechanism with migrating...

G - Physics – 04 – F

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G04F 13/04 (2006.01) G02F 1/15 (2006.01) G02F 1/155 (2006.01) G09F 7/00 (2006.01) G09F 9/00 (2006.01) H01M 6/38 (2006.01) H01M 6/50 (2006.01) G02F 1/153 (2006.01) H01M 6/40 (2006.01)

Patent

CA 2236203

Printed electrochemical display cells are arranged in layer form with two electrode layers and an electrolyte layer occupying distinct areas of a substrate. An electrolyte layer overlaps most of one electrode layer but contacts a smaller portion of the other electrode layer, which is made of a thin film. When activated, an electrochemical reaction progressively increases the area occupied by the electrolyte layer and progressively decreases the area occupied by the thin-film electrode layer. The thin-film electrode layer recedes at a boundary in common with the electrolyte layer and provides an irreversible indication of change at a rate governed by the electrochemical reaction.

Cellules imprimées d'affichage électrolytique disposées sous forme de couche avec deux couches d'électrodes et une couche d'électrolytes occupant des zones distinctes sur le substrat. Une couche d'électrolytes chevauche en majeure partie une couche d'électrodes, mais est en contact avec une plus petite partie de l'autre couche d'électrodes en film mince. Lorsqu'elle est activée, une réaction électrochimique entraîne progressivement une augmentation de la zone occupée par la couche d'électrolytes et une diminution de la zone occupée par la couche d'électrodes en film mince. Cette dernière recule vers une délimitation en commun avec la couche d'électrolytes et fournit une indication irréversible de changement à un rythme réglé par la réaction électrochimique.

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