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Active matrix display devices

  • US 6,897,843 B2
  • Filed: 07/09/2002
  • Issued: 05/24/2005
  • Est. Priority Date: 07/14/2001
  • Status: Expired due to Fees
First Claim
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1. An active matrix display device comprising:

  • a plurality of pixels arranged as rows and columns, and column electrodes extending along corresponding columns of pixels, wherein;

    each pixel of the plurality of pixels includes;

    an image data storage capacitance, and a read circuit for reading a state of the image data storage capacitance, and for driving a corresponding column electrode of the column electrodes in accordance with the state of the image data storage capacitance, and the read circuit has an input impedance that is sufficiently high that charge stored on the image data storage capacitance is not significantly discharged during reading.

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