Liquid crystal display panel and drive method thereof

Abstract

The invention relates to a liquid crystal display panel and a drive method thereof. The liquid crystal display panel comprises a plurality of pixels in matrix distribution, a plurality of grid scanning lines providing scanning signals for each row of pixels, and a plurality of data wires providing data signals for each list of pixels; the grid scanning lines are connected with a grid driver, the data wires are connected with a data driver, and the grid driver and the data driver are driven by a time schedule controller; wherein, the liquid crystal display panel also comprises a list of virtual pixels and a voltage comparator; the voltage comparator comprises a first input end, a second input end and a feedback output end; the first input end and the second input end are connected with the virtual pixels, and the feedback output end is connected with the data driver. The liquid crystal display panel and the drive method provided by the invention can avoid flicker and photogene caused by feedthrough voltage by adjusting the data wire voltage output by each pixel.

Description

technical field [0001] The invention relates to a liquid crystal display panel and a driving method thereof, in particular to a liquid crystal display panel capable of automatically adjusting image quality flickering and a driving method thereof. Background technique [0002] A thin film transistor liquid crystal display (TFT-LCD) is currently the most widely used type of flat panel display, which has the advantages of low power, thin shape, light weight, and low voltage drive. figure 1 It is a structural schematic diagram of an existing liquid crystal display panel. Each pixel includes a liquid crystal capacitor Clc and a storage capacitor Cst, wherein the liquid crystal capacitor Clc causes the liquid crystal to rotate under the action of the pixel voltage, thereby controlling the transmittance of the light valve; the storage capacitor Cst reduces the pixel voltage within one frame time Variety. The gate terminal of each thin film transistor (TFT) is connected to the gat...

AI Technical Summary

Problems solved by technology

In this way, when the screen is in a non-128 gray scale, due to the change of the liquid crystal dielectric constant, the difference in the feedthrough voltage on the pixel causes the difference in the actual voltage obtained on the pixel, thus causing the pixel electrode to be in the positive and negative poles. When the voltage is different, it will cause flickering of image quality and even image sticking.

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