Interferometric modulators having charge persistence

Details Interferometric modulators having charge persistence Interferometric modulators having charge persistence

G - Physics

02

B

G02B 26/00 (2006.01)

Patent

CA 2573717

An interferometric modulator is formed having a dielectric with charge persistence. The interferometric modulator is addressed by a method making advantageous use of the charge persistence property, wherein the interferometric modulator is pre-charged in such a way that the pre-charging is not observable to a viewer, and the actuation voltage threshold of the imod is significantly lowered. Subsequently the interferometric modulator may be actuated with a significantly lower actuation voltage, thereby saving power.

L'invention concerne un modulateur interférométrique présentant une couche diélectrique à persistance de charge. Ledit modulateur interférométrique est obtenu selon un procédé utilisant avantageusement la propriété de persistance de charge, dans lequel le modulateur interférométrique est préchargé de manière invisible à l'oeil de l'utilisateur, et le seuil de tension de commande de l'imod est significativement réduit. Le modulateur interférométrique peut, par conséquent, être commandé avec une tension de commande significativement réduite, permettant ainsi de faire des économies d'énergie.

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