Liquid crystal display panel and common voltage compensation method, device thereof

A liquid crystal display panel, comprising:

• an array substrate and a common voltage compensation circuit, wherein the array substrate comprises a plurality of scan lines, which are separately arranged in parallel along a horizontal direction, a plurality of data lines, which are separately arranged in parallel along a vertical direction, a plurality of common electrode lines and a plurality of sub pixel units arranged in array, and the scan lines provide driving voltages to the sub pixel units, and the data lines provide data voltages to the sub pixel units, and the common electrode lines provide common voltages to the sub pixel units, and the common voltage compensation circuit comprises a feedback signal processor, an amplifier and a common voltage adjusting circuit, and the feedback signal processor is connected to the common electrode lines to obtain feedback signals of the common voltages and to implement an inversion process to the feedback signals, and the amplifier is connected between the feedback signal processor and the common voltage adjusting circuit to implement an amplifying process to the feedback signals after inversion to obtain compensation signals, and the common voltage adjusting circuit inputs the compensation signals to the common electrode lines.