Display method, timing controller and display device
A timing controller and display device technology, applied to static indicators, instruments, etc., can solve problems such as bad waterfall patterns of display devices, achieve the effects of avoiding bad waterfall patterns, improving charging rate, and improving display effect
Inactive Publication Date: 2021-08-27
BOE TECH GRP CO LTD +1
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Problems solved by technology
[0004] In view of this, the present invention provides a display method, a timing controller and a display device, which are used to solve the problem of poor waterfall patterns on the display device due to the bright and dark switching of the backlight module
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[0048] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will clearly and completely describe the technical solutions of the embodiments of the present invention in conjunction with the drawings of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the described embodiments of the present invention belong to the protection scope of the present invention.
[0049] The reason why the waterfall pattern occurs in the display device will be firstly described below.
[0050] The display device includes a display panel and a backlight module. The display panel includes an array substrate and a color filter substrate. The array substrate includes a semiconductor layer (Active) and a data line (Data). The semiconductor layer and the data line can be pas...
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The present invention provides a display method, a timing controller and a display device. The display method is applied to a display device and includes: detecting a control signal of a backlight module; if the detected control signal is a low-level signal, driving The circuit outputs the first type of horizontal frequency clock signal, and determines the first output frequency of outputting the data signal to the source drive circuit according to the first type of horizontal frequency clock signal; The electrode driving circuit outputs a second type of horizontal frequency clock signal, and determines the second output frequency of outputting the data signal to the source driving circuit according to the second type of horizontal frequency clock signal; wherein, the high voltage of the first type of horizontal frequency clock signal The flat duration is shorter than the high level duration of the second horizontal frequency clock signal. Since the duration of the high level of the horizontal frequency clock signal determines the voltage charged to the pixel, changing the horizontal frequency clock signal can improve the charging rate of the pixel, avoid waterfall defects in the display device, and improve the display effect.
Description
technical field [0001] The invention relates to the field of display technology, in particular to a display method, a timing controller and a display device. Background technique [0002] The backlight module (BLU) in the display device provides the backlight required for the display device. Currently, the brightness adjustment method of the backlight module is a pulse width modulation (PWM) adjustment method, such as figure 1 As shown, the cycle of the PWM signal of the backlight module is T, the high-level time in one cycle is H (the backlight module is bright at this time), and the low-level time is L (the backlight module is dark at this time), because The frequency of the PMW signal is relatively high, and the human eye cannot recognize the bright and dark switching of the backlight module, but can only perceive the overall brightness. The brightness of the backlight module is related to the duty cycle of the high and low levels of the PWM signal. When the H ratio is l...
Claims
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IPC IPC(8): G09G3/34G09G3/20
CPCG09G3/20G09G3/3406
Inventor 何浏周留刚戴珂熊玉龙尹晓峰姜毅强周乾梁云云汪俊瞿振林李清孙建伟李涛韩屹湛
Owner BOE TECH GRP CO LTD