A liquid crystal display (LCD) including an LCD panel, a gate driver and a data driver is provided. The LCD panel has pixel units, scan lines and several pairs of data lines. Each of the pixel units is electrically connected to a corresponding scan line and a corresponding pair of data lines and has two display regions respectively connected to different data lines. Besides, the gate driver is electrically connected to several scan lines. The data driver is electrically connected to several pairs of data lines. The data driver has a voltage difference generator electrically connected to several pairs of data lines such that the voltages outputted by the pair of data lines are maintained at a fixed voltage difference. Thus, the invention simplifies the complexity of circuit signal processing and lowers the production cost of circuits.