Common electrode driving method, common electrode driving circuit and liquid crystal display

摘要

A common electrode driving method, comprises: generating a first common electrode signal to be applied to a storage electrode line of each row of pixels on an array substrate, and a second common electrode signal to be applied to a common electrode forming a liquid crystal capacitance with pixel electrodes of each row of pixels on the array substrate, the first common electrode signal being opposite to a gate signal for gate electrodes applied to the corresponding row of pixels in terms of transition timing; and inputting the first common electrode signal to each row of pixels, and inputting the second common electrode signal to the common electrode.

主权项

1. A common electrode driving method, comprising:
inputting the first common electrode signal to each row of pixels, and inputting the second common electrode signal to the common electrode, wherein the first common electrode signal and the gate signal applied to the corresponding row of pixels are transited synchronously and a polarity of a difference between a level of the first common electrode signal after the transition and a level of the first common electrode signal before transition is opposite to a polarity of a difference between a level of the gate signal applied to the corresponding row of pixels after the transition and a level of the gate signal applied to the corresponding row of pixels before transition, wherein the first common electrode signal and the second common electrode signal are generated by a driving signal generation circuit, and the driving signal generation circuit comprises: a first driving signal generation unit for generating the second common electrode signal; and a second driving signal generation unit for generating the first common electrode signal by generating a transition timing signal and superposing the transition timing signal on the second common electrode signal generated by the first driving signal generation unit.