Charging compensation circuit, charging compensation method and display device

Abstract

The invention provides a charging compensation circuit, a charging compensation method, and a display device, and belongs to the technical field of display. The charging compensation circuit comprisesthe following parts: a sorting module, configured to sort the input initial data voltages according to the pixel structure type of the display device to obtain multiple paths of data, wherein each path of data comprises the initial data voltages corresponding to all the data lines when the corresponding row of gate line is opened; a storage comparing module, configured to output a plurality of sets of comparison data according to the stored data; a search module, configured to search for actual compensation data corresponding to the set of comparison data according to each set of comparison data; and a compensation module, configured to compensate the initial data voltage on the corresponding data line according to the actual compensation data when the current row of gate line is opened to obtain the actual data voltage on the corresponding data line when the current row of gate line is opened, wherein the storage comparing module is also configured to store the actual data voltage onall the data lines when the current row of gate line is opened. The invention can solve the problem that the horizontal and vertical textures appear when the screen displays a pure color picture.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a charging compensation circuit, a charging compensation method, and a display device. Background technique [0002] In large-size LCD panels over 65 inches and some other large-size panels with poor driving capabilities, because the signal lines of the drive circuit are too long and the trace impedance of the signal lines is difficult to be uniform on the entire panel, these two problems, There will be a situation where the panel is partially insufficiently charged. The most intuitive response to this situation is the fine pitch phenomenon, that is, when the screen displays a solid-color image, there will be horizontal and vertical textures, and the shape of the texture is related to the pixel structure. [0003] In order to solve the fine pitch problem, the prior art proposes a row-level charging compensation module to solve such problems, but the existing charging compensatio...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a charging compensation circuit, a charging compensation method, and a display device, which can solve the problem of horizontal and vertical textures when a solid-color picture is displayed on the screen

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