Driving method of display panel

A technology of a display panel and a driving method, applied in static indicators, instruments, etc., can solve the problems of brightness difference and the effect of affecting the display, and achieve the effect of eliminating stripes, improving the charging effect, and improving the display quality.

Inactive Publication Date: 2019-05-14
WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

This kind of driving method can reduce the area occupied by the fan-out routing of the data lines to achieve narrow borders. However, in the prior art, when scanning each row period in each frame period, the charging sequence of multiple sub-pixels 110 Both: charge the pixels 100 in the first and second columns first, and then charge the pixels 100 in the third and fourth columns. When the pixels are insufficiently charged and the common voltage fluctuates, the display effect of the pixels 100 charged first is better than that of the pixels 100 charged later. The display effect of the charged pixel 100 will eventually lead to such as image 3 As shown, there is an obvious difference in brightness between the pixels 100 in the first and second columns and the pixels 100 in the third and fourth columns, and then stripes appear on the screen displayed on the display panel, which affects the display effect

Method used

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Embodiment Construction

[0040] In order to further illustrate the technical means adopted by the present invention and its effects, the following describes in detail in conjunction with preferred embodiments of the present invention and accompanying drawings.

[0041] see Figure 4 , the present invention a kind of driving method of display panel, comprises the following steps:

[0042] Step S1, providing a display panel;

[0043] The display panel includes a plurality of drive units arranged in sequence; each drive unit includes a plurality of sub-pixels 10 arranged in multiple rows and 2m columns, 2m data lines 20, and two multiplexing modules 40; a column of sub-pixels 10 is correspondingly connected to one data line 20; each multiplexing module 40 includes m switching elements 41, and the m switching elements 41 in each multiplexing module 40 are respectively connected to m multiplexing signals; The input terminals of the m switching elements 41 of one of the two multiplexing modules 40 are con...

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Abstract

The invention provides a driving method of a display panel. The driving method of the display panel is arranged in each line scanning period. A plurality of multiplexed signals sequentially generate ahigh-potential pulse according to a preset sequence; in the same line scanning period; a plurality of high-potential pulses generated by the plurality of multiplexed signals have at least two different pulse widths; and the high-potential pulse with the large pulse width is generated after being compared with the high-potential pulse with the small pulse width, so that the charging uniformity ofthe sub-pixels is improved by increasing the pulse width of the generated high-potential pulse, the stripe feeling of a picture displayed by the display panel is eliminated, and the display quality isimproved.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to a driving method of a display panel. Background technique [0002] With the development of display technology, liquid crystal display (Liquid Crystal Display, LCD) and other flat display devices have gradually replaced cathode ray tubes (CathodeRay Tube, CRT) display screens are widely used in various consumer electronics products such as mobile phones, televisions, personal digital assistants, digital cameras, notebook computers, and desktop computers, and become the mainstream of display devices. [0003] Most of the liquid crystal display devices currently on the market are backlight liquid crystal display devices, which include a liquid crystal display panel and a backlight module. The working principle of the liquid crystal display panel is to inject liquid crystal molecules between the thin film transistor array substrate (Thin Film Transistor Array Substrate, TFT...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
CPCG09G3/00G09G3/36
Inventor 郑力华
Owner WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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