Display with multiplexed pixels for achieving modulation...

Details Display with multiplexed pixels for achieving modulation... Display with multiplexed pixels for achieving modulation...

G - Physics

09

G

G09G 3/20 (2006.01) G09G 3/36 (2006.01)

Patent

CA 2331683

A display includes a pair of global voltage supply terminals (622 and 624), for providing predetermined voltages, and a plurality of pixel cells (602). Each pixel cell includes a pixel electrode (612), a storage element (702) for storing a data bit, and a multiplexer (704) for selectively coupling the pixel electrode (612) with one or the other of the global voltage supply terminals (622 and 624), depending on the value of the stored data bit. A voltage controller (604) asserts predetermined voltages on the global voltage supply terminals (622 and 624), which are then transferred to the coupled pixel electrodes (612).

L'invention se rapporte à un affichage comportant une paire de bornes (622 et 624) d'alimentation en tension générale délivrant des tensions préétablies, et une pluralité de cellules (602) de pixels. Chaque cellule de pixel comprend une électrode (612), un élément de mémorisation (702) servant à stocker un bit de données et un multiplexeur (704) permettant de coupler sélectivement l'électrode (612) du pixel à l'une ou l'autre des bornes (622 et 624) d'alimentation en tension générale, en fonction de la valeur stockée du bit de données. Un gradateur de tension (604) délivre des tensions préétablies aux bornes (622 et 624) d'alimentation en tension générale, qui sont ensuite transférées aux électrodes (612) des pixels couplés.

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