Electrophoretic display panel and associated methods...

Details Electrophoretic display panel and associated methods... Electrophoretic display panel and associated methods...

G - Physics

09

G

G09G 3/34 (2006.01) G02F 1/167 (2006.01)

Patent

CA 2130753

A tetrode type electrophoretic display (10) includes local anode lines (32) disposed perpendicular to the grid lines (20) and having a tined configuration (33). In operation, the local anode (32) may be used to write and erase selected independent pixels by applying appropriate voltages (36) to the various electrodes (26, 28, 20, 18, 32) of the display in the proper sequence. The tetrode employed preferably includes an intermediate mesh (28) to permit maintaining displayed images after power removal.

Dispositif d'affichage par électrophorèse de type tétrode (10). Il comprend des lignes d'anode locale (32) placées perpendiculairement à des lignes de grille (20) et à configuration fixe (33). Pendant le fonctionnement, l'anode locale (32) peut être utilisée pour écrire et effacer des pixels indépendants choisis, grâce à l'application de tensions appropriées (36) sur les diverses électrodes (26, 28, 20, 18, 32) du dispositif d'affichage dans l'ordre approprié. La tétrode utilisée comprend de préférence une grille intermédiaire (28) pour permettre de conserver les images affichées après avoir interrompu l'alimentation en courant.

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