Active backplane circuitry, spatial light modulator...

G - Physics – 09 – G

Patent

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Details

G09G 3/36 (2006.01) G02F 1/133 (2006.01) G09G 3/20 (2006.01)

Patent

CA 2353843

An active semiconductor backplane (3) for a matrix liquid crystal display comprises a plurality of mutually exclusive sets of electrically addressable elements defining a pixel array (4), means (44) arranged to address the sets one at a time, and means (44, 45) for addressing more than one of the plurality of sets simultaneously. Preferably the sets are simultaneously addressable rows, for fast blanking. Single pass and two-pass schemes for writing and re-writing the array are described.

L'invention se rapporte à un fond de panier actif (3) à semi-conducteurs, conçu pour un afficheur matriciel à cristaux liquides. Ledit fond de panier comporte une pluralité d'ensembles mutuellement exclusifs d'éléments électriquement adressables définissant un réseau de pixels (4), un organe (44) permettant l'adressage individuel desdits ensembles, et un organe(44, 45) permettant l'adressage d'au moins deux desdits ensembles simultanément. De préférence, lesdits ensembles sont des rangées simultanément adressables, pour effacement rapide. L'invention se rapporte également à des schémas à une passe et à deux passes pour l'écriture et la réécriture dans le réseau de pixels.

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