WO2022247279A1

WO2022247279A1 - Liquid crystal display device and driving method therefor

Info

Publication number: WO2022247279A1
Application number: PCT/CN2021/143320
Authority: WO
Inventors: 纪飞林; 袁海江
Original assignee: 惠科股份有限公司
Priority date: 2021-05-27
Filing date: 2021-12-30
Publication date: 2022-12-01
Also published as: CN113299249A

Abstract

A liquid crystal display device and a driving method therefor. The liquid crystal display device comprises: a display area in which sub pixels are arranged in an array; and 2m scanning lines (20), wherein m is a positive integer. The 2m scanning lines (20) are connected to m rows of subpixels; each row of subpixels comprise first subpixels and second subpixels; first subpixels in an x-th row of subpixels are connected to a (2x-1)th scanning line; second subpixels in the x-th row of subpixels are connected to a 2xth scanning line (20); in a same display picture frame, the polarity of the first subpixels and the polarity of the second subpixels are opposite; x is a positive integer and x≤m, such that the problem of uneven display due to poor charging of positive polarity compared with negative polarity is solved.

Description

Liquid crystal display device and driving method thereof

This application claims the priority of the Chinese patent application with the application number CN202110583669.8 and the title of the invention "a liquid crystal display device and its driving method" filed at the China Patent Office on May 27, 2021, the entire content of which is passed References are incorporated in this application.

technical field

The present application belongs to the technical field of liquid crystal display, and in particular relates to a liquid crystal display device and a driving method thereof.

Background technique

In the process of driving and displaying the LCD panel, there are both positive polarity driving (the two ends of the liquid crystal are positive voltage differences, as shown in the right half of Figure 3), and negative polarity driving (the two ends of the liquid crystal are negative voltage differences, as shown in the left side of Figure 3). half part). As shown in Figure 2, when the high-level VGH output on the scanning line is fixed, Vgs is relatively low when working in positive polarity, and Vgs is relatively high when working in negative polarity. If the Id of the TFT is large, the negative polarity charging is better, and the positive polarity charging is poor. When the size of the LCD panel is small and the resolution is low, the charging time is long and this factor can be ignored.

technical problem

However, when making a large-sized ultra-high-resolution product, the charging time is short, and this difference can easily lead to poor charging with positive polarity compared with negative polarity, resulting in uneven display.

technical solution

The present application provides a liquid crystal display device and a driving method thereof, aiming at solving the problem of uneven display due to poor charging with positive polarity compared with negative polarity.

The first aspect of the embodiments of the present application provides a liquid crystal display device, the liquid crystal display device comprising:

a display area, the array in the display area is provided with sub-pixels;

2m scanning lines, m is a positive integer;

The 2m scanning lines are connected to m rows of sub-pixels, wherein each row of sub-pixels includes a first sub-pixel and a second sub-pixel, and the first sub-pixel in the x-th row of sub-pixels is connected to the 2x-1th scanning line, and The second subpixel in the x row of subpixels is connected to the 2xth scan line, and in the same frame display screen, the polarity of the first subpixel is opposite to that of the second subpixel; x is Positive integer, and x≤m.

In one embodiment, the first sub-pixel and the second sub-pixel in each row of sub-pixels are spaced apart.

In one embodiment, in the same display frame, if the polarity of the first sub-pixel is positive, then the polarity of the second sub-pixel is negative.

In one embodiment, if the 2x-1 scan line is connected to the second scan voltage, then the 2x scan line is connected to the first scan voltage;

Wherein, the second scanning voltage is greater than the first scanning voltage.

In one embodiment, the liquid crystal display device further includes: 3n data lines, where n is a positive integer and 3n is an even number;

The 2y-1th subpixel in the subpixels in each row is connected to the 2y-1th data line, and the 2yth subpixel in each row of subpixels is connected to the 2yth data line, where y is a positive integer , 2y≤3n.

The second aspect of the embodiment of the present application provides a method for driving a liquid crystal display device as described in any one of the above, including:

Different scanning voltages are generated by the driving device, and corresponding scanning signals are generated according to the polarity of the sub-pixels in the display area and provided to the sub-pixels.

In one embodiment, in the same display frame, if the polarity of the first sub-pixel is positive, the 2x-1th scanning line is connected to the second scanning voltage; if the polarity of the second sub-pixel If the polarity is negative, then the 2x scan line is connected to the first scan voltage;

In one embodiment, if the polarity of the first sub-pixel is switched from positive to negative, the scanning voltage connected to the 2x-1th scanning line is switched from the second scanning voltage to the first scanning voltage .

In one embodiment, if the driving device is in a progressive scanning mode, the 2m scanning lines are connected to the scanning voltage row by row;

When the 2x-1 scan line is connected to the scan voltage, the 2y-1 data line receives redundant data, and the 2y data line receives pixel data;

When the 2x scan line is connected to the scan voltage, the 2y-1 data line receives pixel data, and the 2y data line receives redundant data.

In one embodiment, if the driving device is a dual-scanning line driving mode, the 2x-1th scanning line and the 2xth scanning line are simultaneously connected to the scanning voltage in the same display frame;

In the current frame display screen, the polarity of the first sub-pixel is positive, and the scanning line in the 2x-1 line is connected to the second scanning voltage; the polarity of the second sub-pixel is negative, and the 2x-1 line is connected to the second scanning voltage; The scan line is connected to the first scan voltage; the second scan voltage is greater than the first scan voltage;

When switching to the next frame display screen, the polarity of the first sub-pixel is switched to negative polarity, the scanning line described in the 2x-1 line is connected to the first scanning voltage, the polarity of the second sub-pixel is positive polarity, and the 2x-1 scanning line is connected to the first scanning voltage. The scan lines are connected to the second scan voltage.

Beneficial effect

The liquid crystal display device in the embodiment of the present application includes: a display area in which sub-pixels are arranged in an array; 2m scanning lines, where m is a positive integer; 2m scanning lines are connected to m rows of sub-pixels, wherein each The row of sub-pixels includes a first sub-pixel and a second sub-pixel, the first sub-pixel in the x-th row of sub-pixels is connected to the 2x-1 scan line, and the second sub-pixel in the x-th row of sub-pixels is connected to the 2x-th row of sub-pixels Scanning lines are connected, and in the same display frame, the polarity of the first sub-pixel is opposite to that of the second sub-pixel; x is a positive integer, and x≤m; and Article 2x-1 The scanning voltage connected to the scanning line is different from the scanning voltage connected to the 2xth scanning line, which solves the problem of uneven display due to the difference between positive charging and negative charging.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings that need to be used in the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present application. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without making creative efforts.

FIG. 1 is a schematic diagram of an equivalent circuit of a sub-pixel in a TFT-LCD provided by an embodiment of the present application;

FIG. 2 is a schematic diagram of the relationship between IV curves of an NMOS device provided by an embodiment of the present application;

Fig. 3 is a schematic diagram of the relationship between the positive and negative pressure difference and the transmittance of a VA liquid crystal panel provided by an embodiment of the present application;

FIG. 4 is a schematic diagram of progressive driving of a liquid crystal panel provided by an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a liquid crystal display device provided by an embodiment of the present application;

FIG. 6 is a schematic diagram of timing sequence of scanning signals in scanning line progressive scanning mode provided by an embodiment of the present application;

FIG. 7 is a schematic diagram of timing sequence of scanning signals in a dual scanning line driving mode provided by an embodiment of the present application.

Embodiments of the present invention

In order to enable those skilled in the art to better understand the solution of the application, the technical solution in the embodiment of the application will be clearly described below in conjunction with the drawings in the embodiment of the application. Obviously, the described embodiment is the Some examples, but not all examples. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

The terms "comprising" and any variations thereof in the specification and claims of the present application and the above drawings are intended to cover non-exclusive inclusion. For example, a process, method or system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units not listed, or optionally further includes Other steps or units inherent in these processes, methods, products or apparatus. In addition, the terms "first", "second", and "third", etc. are used to distinguish different objects, not to describe a specific order.

Thin film transistor-liquid crystal display (Thin film The sub-pixel equivalent circuit of transistor liquid crystal display (TFT-LCD) is shown in Figure 1, which consists of data line 10, scanning line 20, TFT 30, liquid crystal capacitor 31 and storage capacitor 32 (storage Capacitor, Cst), the liquid crystal is stored in the middle of the liquid crystal capacitor 31, and the rotation angle of the liquid crystal is controlled by controlling the voltage difference between the two ends of the liquid crystal, thereby controlling how much light passes through to control the brightness. When charging the liquid crystal capacitor, the scan line 20 needs to provide a high-level scan voltage Vg to turn on the TFT 30, and the data line 10 sends the data voltage Vd to the liquid crystal capacitor 31 and the storage capacitor 32, the first end of the liquid crystal capacitor 31 and the storage capacitor The first end of the liquid crystal capacitor 32 is connected to the output end of the TFT 30 , the second end of the liquid crystal capacitor 31 is connected to the common electrode 41 , and the second end of the storage capacitor 32 is connected to the common electrode 42 .

Figure 2 is the IV curve diagram when the TFT is NMOS, the horizontal axis is the source-drain voltage VDS, and the vertical axis is the drain current iD, usually the switching characteristics of the TFT are determined by the saturation region of the NMOS, refer to the IV curve diagram in Figure 2 It can be seen that when the gate-source voltage VGS is different, the drain current will also be different. For example, VT, VGS1, VGS2, and VGS3 in Figure 2 increase sequentially, and the IDO corresponding to Vgs3 is also the largest.

Figure 3 is a graph showing the relationship between the positive and negative voltage difference V and the transmittance η of the liquid crystal panel of the VA liquid crystal. The vertical axis is the light transmittance, and the horizontal axis is the pressure difference between the two ends of the VA liquid crystal. There are both positive polarity driving (the two ends of the liquid crystal are positive voltage differences, as shown in the right half of Figure 3), and negative polarity driving (the two ends of the liquid crystal are negative voltage differences, as shown in the left half of Figure 3). As shown in Figure 2, when the high level VGH output on the scanning line is fixed, when working in positive polarity, Vgs is relatively low, when working in negative polarity, Vgs is relatively high, then the negative polarity TFT is relatively The iD of the positive polarity TFT is large, and the negative polarity charging is good, and the positive polarity charging is poor. This factor can be ignored when the LCD panel is small in size and low in resolution, but the charging time is relatively short when it is made into a large-sized ultra-high-resolution product. This difference can easily lead to positive polarity charging compared to negative polarity The charging is poor, and the display is uneven.

In order to solve the above-mentioned technical problems, an embodiment of the present application provides a liquid crystal display device, the liquid crystal display device comprising: a display area, an array of sub-pixels is arranged in the display area; 2m scanning lines, m is a positive integer; The 2m scanning lines are connected to m rows of sub-pixels, wherein each row of sub-pixels includes a first sub-pixel and a second sub-pixel, and the first sub-pixel in the x-th row of sub-pixels is connected to the 2x-1th scanning line, and The second subpixel in the x row of subpixels is connected to the 2xth scan line, and in the same frame display screen, the polarity of the first subpixel is opposite to that of the second subpixel; x is A positive integer, and x≤m; and the scanning voltage connected to the 2x-1 scanning line is different from the scanning voltage connected to the 2x scanning line.

As shown in FIG. 4, the conventional TFT-LCD liquid crystal panel is driven by turning on row by row, and the thin film transistor is turned on when the gate voltage is at a high level. At this time, the data voltage charges the storage capacitor 32, and the pixel electrode (Pixel The voltage of Electrode, PE) 50 is set as the data voltage, and the sub-pixels controlled by the same scan line work in both positive polarity and negative polarity, so it is impossible to use different scanning voltages for positive and negative polarities.

In this embodiment, in order to drive the positive and negative liquid crystals with different scanning voltages, 2m scanning lines are used in this embodiment to connect to m rows of sub-pixels, wherein each row of sub-pixels includes the first sub-pixel and The second sub-pixel, specifically, the first sub-pixel in the x-th row of sub-pixels is connected to the 2x-1 scan line, and the second sub-pixel in the x-th row of sub-pixels is connected to the 2x-th scan line, and In the same display frame, the polarity of the first sub-pixel is opposite to that of the second sub-pixel; x is a positive integer, and x≤m; and the 2x-1 scanning line is connected to The scanning voltage of is different from the scanning voltage connected to the 2xth scanning line.

In this embodiment, the first sub-pixels and the second sub-pixels in each row of sub-pixels are arranged at intervals, for example, odd-numbered column data lines are connected to the first sub-pixels, and even-numbered column data lines are connected to the second sub-pixels. The odd-numbered scanning lines are connected to the first sub-pixels, and the even-numbered scanning lines are connected to the second sub-pixels, so as to provide corresponding scanning voltages for the polarities of the first sub-pixels and the second sub-pixels.

In one embodiment, if the 2x-1th scan line is connected to the second scan voltage, then the 2x scan line is connected to the first scan voltage; wherein, the second scan voltage is greater than the first scan voltage Voltage.

In one embodiment, the liquid crystal display device further includes: 3n data lines, where n is a positive integer and 3n is an even number; the 2y-1th subpixel in each row of subpixels is connected to the 2y-1th data line The 2y-th sub-pixel in each row of the sub-pixels is connected to the 2y-th data line, wherein, y is a positive integer, and 2y≤3n.

In one embodiment, as shown in FIG. 5 , the design architecture of a new liquid crystal panel provided in one embodiment of the present application, the panel is driven by a dot inversion driving method. Assuming that the resolutions of the liquid crystal panel are m, x, and n, the panel has a total of 2m scanning lines and 3n data lines (3n is an even number). Odd scan lines 22x-1 (x=1, 2, 3, ..., m) control even-numbered sub-pixels in x-row sub-pixels (that is, sub-pixels corresponding to data lines 32, 34, 36, ..., 33n), even The scan line 2x controls the odd-numbered sub-pixels in the x-row sub-pixels (that is, the sub-pixels corresponding to the data lines 31, 33, 35, . . . , 33n−1). In specific applications, the sub-pixels controlled by odd and even scan lines can be swapped as needed. For the panel structure in this embodiment, in the same frame of display screen, the sub-pixels controlled by odd scan lines are all in the same polarity , the sub-pixels controlled by an even number of scanning lines are at the other polarity. "+" in FIG. 5 indicates that the polarity of the pixel electrode is positive, and "-" in FIG. 5 indicates that the polarity of the pixel electrode is negative. The odd and even rows are driven by two different scanning voltages, and the two scanning voltages used by the odd and even row scanning lines are switched when the next frame is displayed, so that the positive and negative polarity sub-pixels can use two different The scanning voltage is turned on to solve the problem of bright and dark lines in the panel.

An embodiment of the present application also provides a method for driving a liquid crystal display device as described in any one of the above embodiments, including: generating different scanning voltages by the driving device, and according to the polarity of the sub-pixels in the display area A corresponding scanning signal is generated and provided to the sub-pixels.

In one embodiment, in the same display frame, if the polarity of the first sub-pixel is positive, the 2x-1th scanning line is connected to the second scanning voltage; if the polarity of the second sub-pixel If the polarity is negative, the 2xth scanning line is connected to the first scanning voltage; wherein, the second scanning voltage is greater than the first scanning voltage.

In one embodiment, if the driving device is in the progressive scan mode, the 2m scan lines are connected to the scan voltage row by row; when the 2x-1 scan lines are connected to the scan voltage, the 2y-1 data lines receive redundant For the remaining data, the 2yth data line receives pixel data; when the 2xth scanning line is connected to the scanning voltage, the 2y-1th data line receives pixel data, and the 2yth data line receives redundant data.

In one embodiment, in the progressive scan mode, 2m scan lines are required for m rows of sub-pixels to be connected. At this time, with the same display screen refresh rate, the turn-on time of each row of sub-pixels becomes that of m rows of scan lines. 1/2.

In one embodiment, Table 1 is the data mapping table output by the timing controller under the architecture of the liquid crystal display device in the embodiment of the present application. Referring to Table 1, when the odd-numbered scanning lines 22x-1 are turned on, the odd-numbered data line inserts redundant data (dummy), even data lines output the data of sub-pixels in x rows of even columns; when even-numbered row scanning lines 22x are turned on, odd data lines output data of Data (dummy).

Table 1:

Figure 6 is a schematic diagram of the timing sequence of scanning signals in scanning line progressive scanning mode, as shown in Figure 6, when the first frame is displayed, the sub-pixels driven by an odd number of 22x-1 scanning lines are all negative polarity. When an odd number of scan lines (such as 21, 23, ... 22m-1 in Figure 6) is connected to the first scan voltage, it is turned on with a lower first scan voltage (VGH1), and the subpixels driven by the even number of scan lines They are all positive polarity. At this time, the even-numbered scanning lines (such as 22, 24, ... 22m in Figure 6) are connected to the second scanning voltage and turned on with a higher second scanning voltage (VGH2); switch to the next After one frame is displayed, due to the polarity inversion, the sub-pixels driven by the odd scanning lines are all positive. At this time, the odd scanning lines are connected to the second scanning voltage, and a higher second scanning voltage (VGH2) is used. For turning on, the sub-pixels driven by the even scanning lines are all negative. At this time, the even scanning lines are connected to the first scanning voltage, and the lower first scanning voltage ( VGH1 ) is used for turning on.

In one embodiment, if the driving device is a dual scanning line driving mode, the 2x-1 scanning line and the 2x scanning line are simultaneously connected to the scanning voltage in the same frame display screen; in the current frame display screen , the polarity of the first sub-pixel is positive, and the 2x-1 scanning line is connected to the second scanning voltage; the polarity of the second sub-pixel is negative, and the 2x scanning line is connected to the first Scanning voltage; the second scanning voltage is greater than the first scanning voltage; when switching to the next frame display screen, the polarity of the first sub-pixel is switched to negative polarity, and the 2x-1 scanning line is connected to the first sub-pixel A scanning voltage, the polarity of the second sub-pixel is positive, and the 2x scanning line is connected to the second scanning voltage.

Figure 7 is a schematic diagram of the timing sequence of scanning signals in the dual scanning line driving mode. At this time, two scanning lines are turned on at the same time, and the odd scanning lines 22x-1 and the even scanning lines 22x are connected to the scanning voltage at the same time. The sub-pixels are charged. Referring to Figure 7, when the first frame is displayed, the sub-pixels driven by the odd scan lines are all negative. At this time, the odd scan lines are connected to the first scan voltage, and the lower first scan voltage (VGH1 ) to turn on, and the sub-pixels driven by the even scanning lines are all positive. At this time, the even scanning lines are connected to the second scanning voltage, and the higher second scanning voltage (VGH2) is used to turn on; switch to the next frame display After the screen, due to the polarity reversal, the sub-pixels driven by the odd scanning lines are all positive. At this time, the odd scanning lines are connected to the second scanning voltage and turned on with a higher second scanning voltage (VGH2). The sub-pixels driven by the even scanning lines are all of negative polarity. At this time, the even scanning lines are connected to the first scanning voltage and turned on with a lower first scanning voltage ( VGH1 ).

An embodiment of the present application provides a liquid crystal display device and a driving method thereof. The liquid crystal display device includes: a display area, an array of sub-pixels is arranged in the display area; 2m scanning lines, where m is a positive integer; 2m scanning lines Scanning lines are connected to m rows of sub-pixels, wherein each row of sub-pixels includes a first sub-pixel and a second sub-pixel, and the first sub-pixel in the x-th row of sub-pixels is connected to the 2x-1th scanning line, and the x-th row The second sub-pixel in the sub-pixels is connected to the 2xth scan line, and in the same frame display screen, the polarity of the first sub-pixel is opposite to that of the second sub-pixel; x is a positive integer , and x≤m; and the scanning voltage connected to the scanning line described in item 2x-1 is different from the scanning voltage connected to the scanning line 2x, which solves the difference between positive polarity charging and negative polarity charging, and uneven display occurs The problem.

The modules in all the embodiments of this application can be implemented by a general-purpose integrated circuit, such as a CPU (Central Processing Unit, central processing unit), or through ASIC (Application Specific Integrated Circuit, application-specific integrated circuit) to achieve.

Units in the device in the embodiment of the present application may be combined, divided and deleted according to actual needs.

The steps in the methods of the embodiments of the present application can be adjusted, combined and deleted according to actual needs.

Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be implemented through computer programs to instruct related hardware, and the programs can be stored in a computer-readable storage medium. During execution, it may include the processes of the embodiments of the above-mentioned methods. Wherein, the storage medium can be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM) or Random Access Memory (Random Access Memory, RAM), etc.

The above descriptions are only preferred embodiments of the application, and are not intended to limit the application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the application should be included in the protection of the application. within range.

Claims

A liquid crystal display device, wherein the liquid crystal display device comprises:

a display area, the array in the display area is provided with sub-pixels;

2m scanning lines (20), m is a positive integer;

2m scan lines (20) are connected to m rows of sub-pixels, wherein each row of sub-pixels includes a first sub-pixel and a second sub-pixel, and the first sub-pixel in the x-th row of sub-pixels is connected to the 2x-1th scan line (20) connection, the second subpixel in the xth row of subpixels is connected to the 2xth scanning line (20), and in the same frame display screen, the polarity of the first subpixel is the same as that of the second The polarities of the sub-pixels are opposite; x is a positive integer, and x≤m.
The liquid crystal display device according to claim 1, wherein the first sub-pixel and the second sub-pixel in each row of sub-pixels are spaced apart.
The liquid crystal display device according to claim 1, wherein the data lines (10) of odd columns are connected to the first sub-pixels, and the data lines (10) of even columns are connected to the second sub-pixels.
The liquid crystal display device according to claim 1, wherein, in the same display frame, if the polarity of the first sub-pixel is positive (+), the polarity of the second sub-pixel is negative (- ).
The liquid crystal display device according to claim 4, wherein the scanning voltage connected to the 2x-1 scanning line (20) is different from the scanning voltage connected to the 2x scanning line (20).
The liquid crystal display device according to claim 4, wherein if the 2x-1th scanning line (20) is connected to the second scanning voltage (VGH2), then the 2xth scanning line (20) is connected to the first scanning voltage(VGH1);

Wherein, the second scanning voltage ( VGH2 ) is greater than the first scanning voltage ( VGH1 ).
The liquid crystal display device according to claim 1, wherein the liquid crystal display device further comprises: 3n data lines (10), where n is a positive integer and 3n is an even number;

The 2y-1th subpixel in each row of the subpixels is connected to the 2y-1th data line (10), and the 2yth subpixel in each row of the subpixels is connected to the 2yth data line (10), Wherein, y is a positive integer, 2y≤3n.
The liquid crystal display device according to claim 1, wherein if 2m scanning lines (20) are connected to the scanning voltage row by row;

When the 2x-1 scan line (20) is connected to the scan voltage, the 2y-1 data line (10) receives redundant data, and the 2y-th data line (10) receives pixel data;

When the 2x scan line (20) is connected to the scan voltage, the 2y-1 data line (10) receives pixel data, and the 2y data line (10) receives redundant data.
The driving method according to claim 1, wherein if the 2x-1 scan line (20) and the 2x scan line (20) are simultaneously connected to a scan voltage in the same display frame;

In the current frame display screen, the polarity of the first sub-pixel is positive (+), and the 2x-1 scanning line (20) is connected to the second scanning voltage (VGH2); the second sub-pixel The polarity is negative (-), and the 2x scanning line (20) is connected to the first scanning voltage (VGH1); the second scanning voltage (VGH2) is greater than the first scanning voltage (VGH1);

When switching to the next frame display screen, the polarity of the first sub-pixel is switched to negative polarity (-), and the 2x-1 scanning line (20) is connected to the first scanning voltage (VGH1), and the The polarity of the second sub-pixel is positive (+), and the 2x scanning line ( 20 ) is connected to the second scanning voltage ( VGH2 ).
A driving method of a liquid crystal display device, applied to the liquid crystal display device according to any one of claims 1-9, wherein the driving method comprises:

Different scanning voltages are generated by the driving device, and corresponding scanning signals are generated according to the polarity of the sub-pixels in the display area and provided to the sub-pixels.
The driving method according to claim 10, wherein, in the same display frame, the sub-pixels controlled by the odd scanning lines (20) are at the same polarity, and the sub-pixels controlled by the even scanning lines (20) are at the other polarity. one polarity.
The driving method according to claim 10, wherein, in the same display frame, if the polarity of the first sub-pixel is positive (+), the 2x-1th scanning line (20) is connected to input the second scanning voltage (VGH2); if the polarity of the second sub-pixel is negative (-), then the 2xth scanning line (20) is connected to the first scanning voltage (VGH1);

Wherein, the second scanning voltage ( VGH2 ) is greater than the first scanning voltage ( VGH1 ).
The driving method according to claim 12, wherein if the polarity of the first sub-pixel is switched from positive to negative (-), the scanning of the 2x-1th scanning line (20) connected The voltage is switched from the second scanning voltage ( VGH2 ) to the first scanning voltage ( VGH1 ).
The driving method according to claim 10, wherein, if the driving device is in a progressive scanning mode, the 2m scanning lines (20) are connected to the scanning voltage row by row;

When the 2x-1 scan line (20) is connected to the scan voltage, the 2y-1 data line (10) receives redundant data, and the 2y-th data line (10) receives pixel data;

When the 2x scan line (20) is connected to the scan voltage, the 2y-1 data line (10) receives pixel data, and the 2y data line (10) receives redundant data.
The driving method according to claim 10, wherein, if the driving device is in a dual-scanning line driving mode, the 2x-1th scanning line (20) and the 2xth scanning line are simultaneously displayed in the same frame Access to scan voltage;

In the current frame display screen, the polarity of the first sub-pixel is positive (+), and the 2x-1th scanning line (20) is connected to the second scanning voltage (VGH2); the second sub-pixel The polarity is negative (-), and the 2xth scanning line (20) is connected to the first scanning voltage; the second scanning voltage (VGH2) is greater than the first scanning voltage (VGH1);

When switching to the next frame display screen, the polarity of the first sub-pixel is switched to negative polarity (-), and the 2x-1 scanning line (20) is connected to the first scanning voltage (VGH1), and the The polarity of the second sub-pixel is positive (+), and the 2x scanning line ( 20 ) is connected to the second scanning voltage ( VGH2 ).