Abstract: A control circuit and a method for charge sharing are provided. The control circuit and method are applied to a flat panel display including a plurality of pixel units. The control circuit includes a power supply unit, a data driver, a first switch set, a second switch set, a second switch set, and a timing controller. The control method includes steps of: outputting a first control signal to optionally switch on the switches in the first switch set in a first duration to re-allocate charges stored in the plurality of pixel units; and outputting a second control signal to optionally switch on the switches in the second switch set in a second duration to discharge charges stored in the plurality of pixel units via the voltage output pin.

Abstract: The present invention relates to a gate pulse modulation (GPM) circuit and the application of same in a liquid crystal display for improving the display performance thereof. The gate pulse modulation circuit is configured to modulate multi-phase clock pulse signals so as to correspondingly generate odd gate pulse waveforms and even gate pulse waveforms that are different from one another.

Abstract: A gate output control method is adapted into a flat display having a plurality of gate drive integrated circuits. The method comprises: providing a gate control signal; providing a oblique control signal to oblique modulate the gate control signal for generating a gate control signal with oblique; modulating the gate control signal with oblique to obtain a modulated gate control signal; and outputting the modulated gate control signal to the gate drive integrated circuits. A falling edge of the modulated gate control signal comprises a oblique-varying period and a vertical-varying period. In the oblique-varying period, the modulated gate control signal firstly changes to a predetermined voltage in a first slope, and then changes in a second slope until the vertical-varying period. In the vertical-varying period, the modulated gate control signal changes vertically or nearly vertically.

Abstract: A liquid crystal display capable of switching the common voltage includes a display panel and a printed circuit board. The display panel includes a plurality of scan lines, a plurality of data lines, and a plurality of pixels. Each pixel includes a transistor, a storage capacitor, and a liquid crystal capacitor. The first ends of the storage capacitor and the liquid crystal capacitor are electrically connected to the transistor. The second end of the liquid crystal capacitor is electrically connected to a common voltage source. The printed circuit board includes a switcher for switching the second end of the storage capacitor electrically connecting to common voltage source, an analog voltage source, or a ground.

Abstract: The present invention relates to a gate pulse modulation (GPM) circuit and the application of same in a liquid crystal display for improving the display performance thereof. The gate pulse modulation circuit is configured to modulate multi-phase clock pulse signals so as to correspondingly generate odd gate pulse waveforms and even gate pulse waveforms that are different from one another.

Abstract: A liquid crystal display includes a gate driver, a control circuit and a charge-sharing circuit. The control circuit provides a charge-sharing signal according to the parasitic capacitances at a first output end and a second output end in the gate driver. The charge-sharing circuit generates a third clock signal and a fourth clock signal by performing charge-sharing on a first clock signal and a second clock signal according to the charge-sharing signal. The third clock signal includes a signal falling edge which descends from a high level to a first level, and the fourth clock signal includes a signal falling edge which descends from the high level to a second level. The gate driver outputs a first gate driving signal and a second gate driving signal respectively at the first and the second output end according the third or the fourth clock signal.