Patent ID: 7812896

Claim:
A liquid crystal display (LCD), comprising: a gate driver, for outputting a plurality of gate signals successively; a data driver, for providing a plurality of data signals; and a pixel matrix, comprising a plurality of pixels coupled to the gate driver and the data driver, wherein each of the pixels receives a corresponding data signal according to a corresponding gate signal and each of the pixels comprises: a first sub-pixel, comprising: a first switch device, for outputting the corresponding data signal according to the corresponding gate signal; a first pixel electrode, coupled to the first switch device for receiving the data signal; a first electrode, for providing a first voltage; a first common electrode, wherein the first electrode is directly coupled to the first common electrode and the first voltage has a swing waveform; and a first storage capacitor, formed between the first pixel electrode and the first common electrode; a second sub-pixel, comprising: a second switch device, for outputting the corresponding data signal according to the corresponding gate signal; a second pixel electrode, coupled to the second switch device for receiving the data signal; a second electrode, for providing a second voltage; a second common electrode; and a second storage capacitor, formed between the second pixel electrode and the second common electrode; and a voltage coupling device, directly coupled to the first common electrode and the second common electrode such that the first common electrode is electrically related to the second common electrode.