Liquid crystal display unit and its driving method

Liquid crystal display unit and its driving method

  • CN 1,409,292 A
  • Filed: 03/29/2002
  • Published: 04/09/2003
  • Est. Priority Date: 09/25/2001
  • Status: Active Application
First Claim
Patent Images

1. LCD comprises:

  • The data driver that is used for the output image signal;

    The gate driver that is used for continuous output scanning signal;

    LCD panel comprises a plurality of pixels that are used for displayed image, and these a plurality of pixels have the on-off element that is used for according to sweep signal control chart picture signals;

    Liquid crystal capacitor by picture intelligence of receiving in the one termination and the driving of the voltage difference between the common electrode voltage that its other end receives;

    And holding capacitor, be used for when on-off element is switched on, being accumulated in the electric charge of the picture intelligence that the one termination receives, and on-off element by the time through the one end picture intelligence of accumulation is put on liquid crystal capacitor;

    Distortion detector is used to detect the common electrode voltage of the other end that puts on liquid crystal capacitor and exports common electrode distortion voltage;

    WithThe offset voltage generator is used for according to common electrode distortion voltage output offset voltage to change the charge rate of holding capacitor.

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