Read-out circuit for active matrix imaging arrays

Details Read-out circuit for active matrix imaging arrays Read-out circuit for active matrix imaging arrays

H - Electricity

04

N

H04N 3/15 (2006.01)

Patent

CA 2216136

Improved circuitry for active matrix image arrays which, in one application reduces the number of source or gate lines for a given number of pixels, and in another application extends the dynamic range of the imaging array without reducing the number of source or gate lines. Each circuit includes multiple electrodes per pixel and multiple thin film transistors for switching charge from the pixel electrodes to the data line.

L'invention concerne un circuit perfectionné pour groupements de photodétecteurs à matrice active qui, dans une application réduit le nombre de lignes de source ou de grille pour un nombre donné de pixels, et dans une autre application élargit la plage dynamique du groupement de photodétecteurs sans réduire le nombre de lignes de source ou de grille. Chaque circuit comprend de multiples électrodes par pixel et de multiples transistors à couche mince pour commuter la charge des électrodes de pixel à la ligne de données.

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