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Multiplexing display driving circuit

A multiplexing and display-driven technology, applied in static indicators, instruments, etc., can solve problems such as application blockage and data signal reduction, so as to reduce the number of data signal output terminals, improve charging uniformity, and improve display effects. Effect

Inactive Publication Date: 2018-06-19
SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0004] The multiplexing (Demux) display driver circuit can greatly reduce the number of data signal (Data) output terminals, and is widely used in small sizes, but in the field of large-size liquid crystal display panels, it is limited by the mobility of amorphous silicon , its application is hindered, but the high mobility of oxide semiconductor thin film transistors makes it possible to apply multiplexed display driving circuits to large-size liquid crystal display panels

Method used

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Embodiment Construction

[0030] 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.

[0031] see figure 1 and figure 2 , the present invention firstly provides a multiplexed display drive circuit, including: a display panel 10, a multiplexer 20 electrically connected to the display panel 10, and a multiplexer 20 electrically connected to the multiplexer 20. connected drive circuit board 30;

[0032] The display panel 10 includes: a plurality of display units 11 arranged in sequence, and each display unit 11 includes six data lines, respectively a first data line 111, a second data line 112, a third data line 113, The fourth data line 114, the fifth data line 115 and the sixth data line 116;

[0033] The multiplexer 20 includes: a plurality of multiplexer units 21 arranged in sequence, each multiplexer unit 21 corresponds to...

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Abstract

The invention provides a multiplexing display driving circuit. The circuit comprises a display panel, a multiplexer electrically connected with the display panel, and a driving circuit board electrically connected with the multiplexer. The display panel includes multiple display units. The multiplexer includes multiple multiplexing units, and each multiplexing unit corresponds to one display unit.The multiplexing units provide data signals to data lines in the corresponding display units, and two adjacent columns of sub-pixels are accessed to data signals different in polarity, so the numberof data signal output ends needed in the driving circuit board can be reduced. Moreover, the uniformity of charging of the display panel and the display effect can be improved by adjusting the turning-on and turning-off time of a switch in the multiplexer.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to a multiplexing type display driving circuit. Background technique [0002] A liquid crystal display (LCD, Liquid Crystal Display) has many advantages such as a thin body, power saving, and no radiation, and has been widely used. 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 place liquid crystal molecules between two parallel glass substrates, and control the liquid crystal molecules to change direction through whether the glass substrates are energized or not, and refract the light from the backlight module to produce a picture. [0003] Usually, the liquid crystal display panel consists of a color filter (CF, Color Filter) substrate, a thin film transistor (TFT, Thin Film ...

Claims

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Application Information

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IPC IPC(8): G09G3/36
CPCG09G3/3614G09G3/3648G09G3/3659
Inventor 刘徐君肖光星彭威臣
Owner SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD
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