Patent ID: 8928705
Filing Date: 2015-01-06
Classification: G09G

Abstract:
1. A liquid crystal display, comprising: a data line for transmitting a data signal; a gate line for transmitting a gate signal; a data switch, electrically connected to the data line and the gate line, for providing a control of writing the data signal according to the gate signal; a liquid-crystal capacitor having a first end electrically connected to the data switch and a second end for receiving a liquid-crystal capacitor common voltage; a storage capacitor having a first end electrically connected to the data switch and a second end for receiving a storage capacitor common voltage; a common voltage generator, electrically connected to the liquid-crystal capacitor, for providing the liquid-crystal capacitor common voltage according to a preliminary common voltage; a common-voltage compensation circuit, electrically connected to the common voltage generator and the storage capacitor, for generating the storage capacitor common voltage through performing a ripple inverting operation according to the liquid-crystal capacitor common voltage, the preliminary common voltage and a compensation control signal; and a timing controller, electrically connected to the common-voltage compensation circuit, for analyzing an image input signal so as to generate the compensation control signal, comprising: