Electrophoretic display panel with selective character...

G - Physics – 09 – G

Patent

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Details

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

Patent

CA 2169169

An electrophoretic display having a plurality of individual characters which are individually addressable for writing and erasing. The anode (32) of the display has a plurality of character blocks (32) which correspond to the character positions of the display. The character blocks (32) are interconnected by a series of character column (38) and row (36) control lines which are insulated from each other. Each character block (32) is connected to one row line (36) and one column line (38), respectively by a resistor (40) and a diode (42) which are arranged in parallel. A further resistor (48) is connected in series with the diode (42). An individual character block is erased by applying a negative voltage to the specific column line and row line which cross at the desired character block.

Panneau électrophorétique comprenant une pluralité de caractères individuels qui sont individuellement adressables pour l'écriture et l'effacement. L'anode (32) de ce panneau comprend une pluralité de blocs (32) de caractères qui correspondent aux positions des caractères du panneau. Ces blocs (32) de caractères sont reliés entre eux par une série de lignes de commande de colonnes (38) et de rangées (36) qui sont isolées les unes des autres. Chaque bloc (32) de caractères est relié à une ligne (36) de rangées et à une ligne (38) de colonnes, respectivement par une résistance (40) et une diode (42) disposées en parallèle. Une autre résistance (48) est connectée en série à la diode (42). On efface un bloc de caractères en appliquant une tension négative sur la ligne de colonnes et la ligne de rangées spécifiques qui se croisent au niveau du bloc de caractères désiré.

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