Polarity partition control module, display panel, drive module and display device

Abstract

The present application belongs to the field of display, and specifically relates to a polarity partition control module, a display panel, a driving module and a display device. The polarity partition control module is used to control the display panel to perform polarity partitioning to form a conventional polarity mode and a polarity symmetric mode. The display panel includes at least one display area, each display area includes multiple columns of data lines and multiple sub-pixels arranged in an array, each column of sub-pixels is arranged between two adjacent data lines, and each sub-pixel is connected to the two data lines corresponding to its column, and the polarity partition control module includes multiple signal lines and multiple selectors. Every two adjacent data lines in the row direction form a data line group, and each data line group is connected to a signal line through a selector. In the polarity symmetric mode, the first polarity partition and the first polarity partition in the display area are polarity symmetrical, which not only improves or eliminates crosstalk, but also avoids the formation of bright and dark lines at the boundary, thereby improving the display effect of the display panel.

Description

Technical Field

[0001] The present application belongs to the field of display, and specifically relates to a polarity partition control module, a display panel, a driving module and a display device. Background Art

[0002] A thin film transistor liquid crystal display (TFT-LCD) includes an array substrate, an opposing substrate, and a liquid crystal layer disposed between the array substrate and the opposing substrate. When the liquid crystal display is displayed, the pixel electrode on one side of the array substrate and the common electrode on one side of the opposing substrate form a liquid crystal capacitor (Clc) to drive the liquid crystal molecules to deflect and control the brightness of each sub-pixel to achieve image display. The pixel electrode and the common electrode on one side of the array substrate form a storage capacitor (Cst) to maintain the voltage of the liquid crystal capacitor.

[0003] If a single-direction electric field is applied to the liquid crystal molecules for a long time, the liquid crystal molecules may be polarized, resulting in a decrease in display quality or even damage to the liquid crystal material. By reversing the polarity and alternating the direction of the electric field, the polarization of the liquid crystal molecules can be effectively avoided. Polarity reversal methods include frame reversal, row reversal, column reversal, and dot reversal.

[0004] When the liquid crystal display is displaying, the data line provides pixel voltage to the pixel electrode. The polarity reversal makes the pixel voltage greater than or less than the voltage of the common electrode. The coupling capacitance (Cdc) formed between the data line and the pixel electrode will cause the pixel voltage to shift, resulting in crosstalk, which affects the display effect of the liquid crystal display. Summary of the invention

[0005] The purpose of the present application is to provide a polarity partition control module, a display panel, a driving module and a display device to improve or eliminate crosstalk and improve the display effect of a liquid crystal display.

[0006] In order to achieve the above-mentioned object, the present application provides a polarity partition control module for controlling a display panel to perform polarity partitioning, wherein the display panel includes at least one display area, the display area includes a plurality of columns of data lines and a plurality of sub-pixels arranged in an array, each column of the sub-pixels is arranged between two adjacent data lines, and each of the sub-pixels is connected to the two data lines corresponding to the column in which it is located, and the polarity partition control module includes:

[0007] A plurality of signal lines, used for connecting at least one source driver module;

[0008] A plurality of selectors, every two adjacent data lines in the row direction form a data line group, each of the data line groups is connected to one of the signal lines via one of the selectors, and the remaining data line is directly connected to the signal line or connected via a first transistor, the selector is used to select and conduct the data line and the signal line on the first side or the data line and the signal line on the second side of the data line group, and the control end of the selector and the control end of the first transistor are both connected to a driving module.

[0009] Optionally, the selector includes a second transistor and a third transistor, the second transistor and the third transistor have different turn-on voltages, the control end of the second transistor and the control end of the third transistor are the control ends of the selector, the control end of the selector is connected to the driving module, the first end of the second transistor and the first end of the third transistor are both connected to the signal line, the second end of the second transistor is connected to the data line on the first side of the data line group, and the second end of the third transistor is connected to the data line on the second side of the data line group.

[0010] Optionally, the second transistor is a P-type transistor, and the third transistor is an N-type transistor.

[0011] Optionally, the polarity partition control module also includes a fourth transistor, the control end of the selector connected to all the data lines is connected to the first end of the fourth transistor, the second end of the fourth transistor is connected to the control power supply, and the control end of the fourth transistor is used to connect to the driving module.

[0012] Optionally, the selector includes two output terminals, and the remaining data line in the display area is connected to one output terminal of the selector.

[0013] The present application also provides a display panel, comprising:

[0014] At least one display area, the display area comprising a plurality of columns of data lines and a plurality of sub-pixels arranged in an array, each column of the sub-pixels being arranged between two adjacent data lines, and each of the sub-pixels being connected to two data lines corresponding to the column in which it is located;

[0015] The polarity partition control module, a selector of the polarity partition control module is connected to the data line of the display panel.

[0016] The present application also provides a driving module, including:

[0017] at least one source driver module;

[0018] The polarity partition control module, a signal line of the polarity partition control module is connected to the source driving module.

[0019] The present application also provides a display device, comprising:

[0020] The display panel comprises at least one display area, wherein the display area comprises a plurality of columns of data lines and a plurality of sub-pixels arranged in an array, wherein each column of the sub-pixels is arranged between two adjacent data lines, and each sub-pixel is connected to two data lines corresponding to the column in which it is located;

[0021] A driving module, comprising at least one source driving module;

[0022] One of the display panel and the driving module further includes the polarity partition control module, a selector of the polarity partition control module is connected to the data line of the display panel, and a signal line of the polarity partition control module is connected to the source driving module.

[0023] Optionally, the driving module also includes a picture detection module, which is connected to the control end of the selector and the display panel. The picture detection module is used to control the operation of the selector according to the degree of crosstalk of the detected display picture to form a conventional polarity mode and a polarity symmetry mode.

[0024] Optionally, the picture detection module is a timing controller, which includes a waveform recognition unit, and the waveform recognition unit is connected to the common electrode of the display panel and the control end of the selector. The waveform recognition unit is used to output a control signal to control the operation of the selector to form a polarity symmetry mode when the common electrode voltage exceeds a preset interval.

[0025] The polarity partition control module, display panel, drive module and display device disclosed in the present application have the following beneficial effects:

[0026] In the present application, the polarity partition control module is used to control the display panel to perform polarity partitioning, forming a conventional polarity mode and a polarity symmetric mode, the display panel includes at least one display area, the display area includes multiple columns of data lines and multiple sub-pixels arranged in an array, each column of sub-pixels is arranged between two adjacent data lines, each sub-pixel is connected to two data lines corresponding to its column, the polarity partition control module includes multiple signal lines and multiple selectors, the multiple signal lines are used to connect at least one source driver module, every two adjacent data lines in the row direction of the display panel form a data line group, each data line group is connected to a signal line through a selector, and the selector is used to select the data line and signal line on the first side or the data line and signal line on the second side in the data line group. In the polarity symmetric mode, the polarity of every two columns of the entire display area is reversed, and the polarity of the first polarity partition on the left and the first polarity partition on the right are symmetrical, which not only improves or eliminates crosstalk, but also avoids the formation of bright and dark lines at the boundary, thereby improving the display effect of the display panel.

[0027] Other features and advantages of the present application will become apparent from the following detailed description, or may be learned in part by the practice of the present application.

[0028] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present application, and together with the specification are used to explain the principles of the present application. Obviously, the drawings described below are only some embodiments of the present application, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 It is a schematic diagram of a conventional polarity mode of the display panel in the first embodiment of the present application.

[0031] Figure 2 It is a schematic diagram of the polarity symmetry mode of the display panel in the first embodiment of the present application.

[0032] Figure 3 It is a schematic diagram of the conventional polarity mode of the display panel in some technical solutions.

[0033] Figure 4 It is a schematic diagram of the polarity symmetry mode of the display panel in some technical solutions.

[0034] Figure 5 It is a structural diagram of the selector in Example 1 of the present application.

[0035] Figure 6 It is a schematic diagram of the structure of the display panel in the second embodiment of the present application.

[0036] Figure 7 It is a structural diagram of the drive module in Example 3 of the present application.

[0037] Figure 8 It is a schematic diagram of the structure of the display device in the fourth embodiment of the present application.

[0038] Fig. 9 This is a schematic diagram of the common electrode voltage waveform in Example 4 of the present application.

[0039] Description of reference numerals:

[0040] 100, display panel; 101, first polarity partition; 102, second polarity partition; 110, data line; 120, sub-pixel;

[0041] 200, driving module; 210, source driving module; 220, control power supply; 230, image detection module; 231, waveform recognition unit;

[0042] 300, polarity partition control module; 310, signal line; 320, selector; 321, second transistor; 322, third transistor; 330, fourth transistor; 340, first transistor. DETAILED DESCRIPTION

[0043] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this application will be more comprehensive and complete and fully convey the concept of the example embodiments to those skilled in the art.

[0044] In addition, described feature, structure or characteristic can be combined in one or more embodiments in any suitable manner. In the following description, many specific details are provided to provide a full understanding of the embodiments of the present application. However, those skilled in the art will appreciate that the technical scheme of the present application can be put into practice without one or more of the specific details, or other methods, components, devices, steps, etc. can be adopted. In other cases, known methods, devices, realizations or operations are not shown or described in detail to avoid blurring the various aspects of the application.

[0045] The present application is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the technical features involved in the various embodiments of the present application described below can be combined with each other as long as they do not conflict with each other. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be understood as limiting the present application.

[0046] Embodiment 1

[0047] See also Figure 1 and Figure 2 In this embodiment, the polarity partition control module 300 is used to control the display panel 100 to perform polarity partitioning to form a conventional polarity mode and a polarity symmetric mode. The display panel 100 includes at least one display area, each display area includes a plurality of columns of data lines 110 and a plurality of sub-pixels 120 arranged in an array, and each column of sub-pixels 120 is arranged between two adjacent data lines 110. In other words, the data line 110 has one more column than the sub-pixels 120, and the number of data lines 110 is an odd number. Each sub-pixel 120 is connected to the two data lines 110 corresponding to the column in which it is located. In other words, each sub-pixel 120 can receive a data signal output by one of the two data lines 110.

[0048] The polarity partition control module 300 includes a plurality of signal lines 310 and a plurality of selectors 320. The plurality of signal lines 310 are used to connect at least one source driver module 210 (Source Driver, SD). Every two adjacent data lines 110 in the row direction of the display panel 100 form a data line group, and each data line group is connected to a signal line 310 through a selector 320. The selector 320 is used to select and conduct the data line 110 and the signal line 310 on the first side or the data line 110 and the signal line 310 on the second side in the data line group. Since the number of data lines 110 in the display area is an odd number, the remaining one data line 110 in the display area is directly connected to the signal line 310.

[0049] The following description is made by taking the first side as the right side and the second side as the left side as an example. It should be understood that the principles of the first side as the left side and the second side as the right side are the same, so they will not be repeated.

[0050] In the normal polarity mode, the selector 320 turns on the data line 110 on the right side of the data line group, and the polarity of the entire display area is "++--", that is, the polarity is reversed every two columns; the data line 110 on the far right directly connected to the signal line 310 does not output a data signal or has the same data signal as the data line 110 on its left side. In the polarity symmetric mode, the selector 320 turns on the data line 110 on the left side of the data line group, and the polarity of the entire display area is "++--", that is, the polarity is reversed every two columns, and the first polarity partition 101 on the left side and the second polarity partition 102 on the right side are symmetric in polarity.

[0051] In some technical solutions, every two columns of sub-pixels 120 of the display panel 100 are connected to the same data line 110. For one display area, in a conventional polarity mode, the polarity of the first polarity partition 101 on the left is "++--", and the polarity of the second polarity partition 102 on the right is "+-+-". The polarity of the first polarity partition 101 and the second polarity partition 102 is the same, such as Figure 3 shown.

[0052] It should be understood that if the polarity of the second polarity partition 102 on the right is "-+-+", that is, the polarities of the adjacent first polarity partition 101 and the second polarity partition 102 are symmetrical, the pixel voltages and the common voltages of the first polarity partition 101 and the second polarity partition 102 are coupled in opposite directions, which can offset the coupling and improve or eliminate crosstalk. However, at the junction of the first polarity partition 101 and the second polarity partition 102, there will be four consecutive columns of the same polarity, such as Figure 4 As shown, the polarity of every two columns in other areas of the first polarity partition 101 and the second polarity partition 102 is reversed, resulting in the pixel columns at the junction becoming brighter or darker than other areas, that is, forming bright lines or dark lines, affecting the display effect of the display panel 100.

[0053] In this embodiment, the polarity partitioning control module 300 is used to control the display panel 100 to perform polarity partitioning to form a conventional polarity mode and a polarity symmetric mode. The display panel 100 includes at least one display area, and the display area includes multiple columns of data lines 110 and multiple sub-pixels 120 arranged in an array. Each column of sub-pixels 120 is arranged between two adjacent data lines 110, and each sub-pixel 120 is connected to the two data lines 110 corresponding to its column. The polarity partitioning control module 300 includes multiple signal lines 310 and multiple selectors 320. The multiple signal lines 310 are used to connect at least one source driving module 210. Every two adjacent data lines 110 in the row direction of the display panel 100 form a data line group. Each data line group is connected to a signal line 310 through a selector 320. The selector 320 is used to select and turn on the data line 110 and the signal line 310 on the first side or the data line 110 and the signal line 310 on the second side in the data line group. In the polarity symmetry mode, the polarity of every two columns of the entire display area is reversed, and the polarity of the first polarity partition 101 on the left and the second polarity partition 102 on the right are symmetric, which not only improves or eliminates crosstalk, but also avoids the formation of bright and dark lines at the boundary, thereby improving the display effect of the display panel 100.

[0054] See also Figure 5 As shown, the selector 320 includes a second transistor 321 and a third transistor 322, and the second transistor 321 and the third transistor 322 have different turn-on voltages. The control end of the second transistor 321 and the control end of the third transistor 322 are the control ends of the selector 320, and the control end of the selector 320 is used to connect the driving module 200. The first end of the second transistor 321 and the first end of the third transistor 322 are both connected to the signal line 310, the second end of the second transistor 321 is connected to the data line 110 on the right side of the data line group, and the second end of the third transistor 322 is connected to the data line 110 on the left side of the data line group.

[0055] In the normal polarity mode, the second transistor 321 is turned on and the third transistor 322 is turned off, the selector 320 turns on the data line 110 on the right side of the data line group, and the polarity of the entire display area is reversed every two columns. In the polarity symmetric mode, the second transistor 321 is turned off and the third transistor 322 is turned on, the selector 320 turns on the data line 110 on the left side of the data line group, and the polarity of the entire display area is reversed every two columns, and the first polarity partition 101 on the left side and the second polarity partition 102 on the right side are symmetric in polarity.

[0056] The selector 320 includes a second transistor 321 and a third transistor 322 . The selector 320 is composed of two transistors. The selector 320 has a simple structure, which can reduce the manufacturing cost of the polarity partition control module 300 .

[0057] In some embodiments, the second transistor 321 is a P-type transistor, and the third transistor 322 is an N-type transistor.

[0058] The second transistor 321 is a P-type transistor and the third transistor 322 is an N-type transistor. The selector 320 turns on the right data line 110 in the data line group by default under a low-level control signal, and the display panel 100 is in a normal polarity mode by default.

[0059] It should be noted that the second transistor 321 is a P-type transistor and the third transistor 322 is an N-type transistor, but it is not limited thereto. The second transistor 321 may also be an N-type transistor and the third transistor 322 may also be a P-type transistor, or both transistors may be N-type transistors, depending on the specific situation.

[0060] In some embodiments, the polarity partition control module 300 also includes a fourth transistor 330, the control end of the selector 320 connected to all data lines 110 is connected to the first end of the fourth transistor 330, the second end of the fourth transistor 330 is connected to the control power supply 220, and the control end of the fourth transistor 330 is used to connect to the driving module 200.

[0061] In the normal polarity mode, the driving module 200 outputs a low-level control signal, the fourth transistor 330 is turned off, the voltage writing of the control power supply 220 is stopped, the second transistor 321 is turned on and the third transistor 322 is turned off, the selector 320 turns on the data line 110 on the right side of the data line group, and the polarity of the entire display area is reversed every two columns. In the polarity symmetric mode, the driving module 200 outputs a high-level control signal, the fourth transistor 330 is turned on, the voltage of the control power supply 220 is written to the control end of the selector 320, the second transistor 321 is turned off and the third transistor 322 is turned on, the selector 320 turns on the data line 110 on the left side of the data line group, the polarity of the entire display area is reversed every two columns, and the first polarity partition 101 on the left and the second polarity partition 102 on the right are symmetrical in polarity.

[0062] The driving module 200 outputs a control signal to control the fourth transistor 330, and controls the power supply 220 and the selector 320 to be turned on or off, thereby controlling the selector 320, and avoiding attenuation of the control signal of the driving module 200, which affects the normal operation of the selector 320.

[0063] In some embodiments, the remaining data line 110 (the rightmost data line 110) in the display area is connected to the signal line 310 through the first transistor 340, the first transistor 340 and the third transistor 322 are both N-type transistors, and the control end of the first transistor 340 is connected to the driving module 200. When the polarity partition control module 300 further includes a fourth transistor 330, the control end of the first transistor 340 is connected to the driving module 200 through the fourth transistor 330.

[0064] The remaining data line 110 in the display area is connected to the signal line 310 through the first transistor 340. In the normal polarity mode, the first transistor 340 is turned off, and no data signal is written into the remaining data line 110 in the display area; in the polarity symmetric mode, the first transistor 340 is turned on, and the data signal is written into the sub-pixel 120 on its left side through the remaining data line 110 in the display area.

[0065] When the remaining data line 110 in the display area is directly connected to the signal line 310, in the normal polarity mode, the signal line 310 connected to the remaining data line 110 in the display area and the signal line 310 on its left side need to have the same polarity; in the polarity symmetric mode, the signal line 310 connected to the remaining data line 110 in the display area and the signal line 310 on its left side need to have opposite polarity, the polarity of the data signal written to the signal line 310 is not completely alternating positive and negative, and the structure of the source driving module 210 is more complicated. The remaining data line 110 in the display area is connected to the signal line 310 through the first transistor 340, the polarity of the data signal written to the signal line 310 is alternating positive and negative, and the structure of the source driving module 210 is simpler.

[0066] In some technical solutions, in order to achieve polarity symmetry between the first polarity partition 101 and the second polarity partition 102, the first polarity partition 101 and the second polarity partition 102 need to be connected to different source driving modules 210, and different control signals are output to the source driving modules 210 connected to the first polarity partition 101 and the second polarity partition 102. The structure of the driving module 200 is complicated, which increases the manufacturing cost of the driving module 200.

[0067] In this embodiment, in the conventional polarity mode and the polarity symmetric mode, the polarity of the data signal written to the signal line 310 is alternately positive and negative, and there is no need to change the polarity of the data signal output to the second polarity partition 102, which simplifies the structure of the driving module 200 and reduces the manufacturing cost of the driving module 200.

[0068] Embodiment 2

[0069] See also Figure 6 As shown, in this embodiment, the display panel 100 includes at least one display area, and the display area includes a plurality of columns of data lines 110 and a plurality of sub-pixels 120 arranged in an array, and each column of sub-pixels 120 is arranged between two adjacent data lines 110. That is, the data line 110 has one more column than the sub-pixels 120, and the number of the data lines 110 is an odd number. Each sub-pixel 120 is connected to two data lines 110 corresponding to the column in which it is located. That is, each sub-pixel 120 can receive data signals output by two data lines 110. The display panel 100 includes an array substrate and an opposing substrate arranged in a box, and the data line 110 is arranged on the array substrate.

[0070] The display panel 100 further includes the polarity partition control module 300 disclosed in the first embodiment, and the polarity partition control module 300 is used to control the display panel 100 to perform polarity partitioning to form a conventional polarity mode and a polarity symmetric mode. In the polarity symmetric mode, the polarity of every two columns of the entire display area is reversed, and the polarity of the first polarity partition 101 on the left and the second polarity partition 102 on the right are symmetric, which not only improves or eliminates crosstalk, but also avoids the formation of bright and dark lines at the boundary, thereby improving the display effect of the display panel 100.

[0071] The polarity partition control module 300 includes a signal line 310 , a selector 320 , a fourth transistor 330 , and a first transistor 340 . The signal line 310 , the selector 320 , the fourth transistor 330 , and the first transistor 340 may all be disposed on an array substrate.

[0072] The polarity partition control module 300 is disposed on the array substrate, which can improve the integration of the display panel 100 , reduce the assembly process of the display panel 100 , and thus reduce the manufacturing cost of the display panel 100 .

[0073] Embodiment 3

[0074] See also Figure 7 As shown, the driving module 200 in this embodiment includes a source driving module 210 and a polarity partitioning control module 300 disclosed in the first embodiment. The polarity partitioning control module 300 includes a plurality of signal lines 310 and a plurality of selectors 320, and the plurality of signal lines 310 are used to connect at least one source driving module 210. Every two adjacent data lines 110 in the row direction of the display panel 100 form a data line group, and each data line group is connected to a signal line 310 through a selector 320. The selector 320 is used to select and conduct the data line 110 and the signal line 310 on the first side or the data line 110 and the signal line 310 on the second side in the data line group.

[0075] The driving module 200 includes a source driving module 210 and a polarity partitioning control module 300 . The polarity partitioning control module 300 and the source driving module 210 can be integrated into the same source driving chip to reduce the assembly process of the driving module 200 , thereby reducing the manufacturing cost of the driving module 200 .

[0076] Embodiment 4

[0077] See also Figure 8 As shown, the display device in this embodiment includes a display panel 100 and a driving module 200 , and one of the display panel 100 and the driving module 200 further includes the polarity partition control module 300 disclosed in the first embodiment.

[0078] One of the display panel 100 and the driving module 200 includes a polarity partition control module 300, which is used to control the display panel 100 to perform polarity partitioning to form a conventional polarity mode and a polarity symmetric mode. In the polarity symmetric mode, the polarity of every two columns of the entire display area is reversed, and the polarity of the first polarity partition 101 on the left and the second polarity partition 102 on the right are symmetric, which not only improves or eliminates crosstalk, but also avoids the formation of bright and dark lines at the boundary, thereby improving the display effect of the display panel 100.

[0079] In some embodiments, the driving module 200 further includes a picture detection module 230, which is connected to the control end of the selector 320 and the display panel 100. The picture detection module 230 is used to control the selector 320 to work according to the detected crosstalk degree of the display picture, forming a conventional polarity mode and a polarity symmetric mode. When the polarity partition control module 300 further includes a first transistor 340, the control end of the first transistor 340 is connected to the picture detection module 230.

[0080] The selector 320 and the first transistor 340 are controlled to work according to the detected crosstalk degree of the display image. When the crosstalk of the display image is serious, the selector 320 and the first transistor 340 are controlled to work, and the conventional polarity mode is switched to the polarity symmetry mode, so that the polarity of every two columns of the entire display area is reversed, and the polarity of the first polarity partition 101 on the left and the second polarity partition 102 on the right are symmetric, which not only improves or eliminates the crosstalk, but also avoids the formation of bright and dark lines at the boundary, thereby improving the display effect of the display panel 100.

[0081] In some embodiments, the picture detection module 230 is a timing controller (TCON), which includes a waveform recognition unit 231. The waveform recognition unit 231 is connected to the common electrode of the display panel 100 and the control end of the selector 320. The waveform recognition unit 231 is used to output a control signal to control the selector 320 to operate when the common electrode voltage exceeds a preset interval, thereby forming a polarity symmetric mode.

[0082] It should be noted that the picture detection module 230 may be a timing controller, but is not limited thereto. The picture detection module 230 may also be an additional detection module, which may be determined according to specific circumstances.

[0083] When the pixel voltage is offset during crosstalk, it will cause the common electrode voltage Vcom to fluctuate. In the waveform recognition unit 231, an interval value is set according to the common electrode voltage Vcom, that is, a positive and negative trigger value m1 and m2 are set, such as Fig. 9As shown, when it is identified that the common electrode voltage Vcom exceeds the preset interval (greater than m1 and maintained for t1 time or less than m2 and maintained for t2 time, indicating serious crosstalk and poor picture effect), a high-level control signal is output to the polarity partition control module 300, and the display panel 100 switches to the polarity symmetric mode. The pixel voltage and common voltage coupling directions of the adjacent first polarity partition 101 and second polarity partition 102 are opposite, so that the coupling can be offset and the crosstalk can be improved or eliminated. On the contrary, when the common electrode voltage Vcom does not exceed the preset interval, a low-level control signal is output to the polarity partition control module 300, and the display panel 100 is in the normal polarity mode.

[0084] In some embodiments, the timing controller can detect the display screen and control the display panel 100 to a conventional polarity mode or a polarity symmetric mode according to the display screen. When using the timing controller to detect the display screen, some complex screens may not be detected, and the detection must be performed based on the pixel arrangement structure and number. The existing known crosstalk screens may not be complete. If a new screen has crosstalk later, then the pixel structure of this screen is different from the existing one, and the timing controller cannot detect it. In addition, the crosstalk phenomenon of different liquid crystals is inconsistent, and the unified setting cannot be fully compatible, which requires more debugging time.

[0085] In this embodiment, the waveform recognition unit 231 is connected to the common electrode of the display panel 100. The waveform recognition unit 231 outputs a control signal according to the common electrode voltage Vcom to switch the display panel 100 to a conventional polarity mode or a polarity symmetric mode. Compared with the solution of using a timing controller to detect the display screen, it can be generally used to detect different crosstalk phenomena.

[0086] The terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the feature. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0087] In this application, unless otherwise clearly specified and limited, the terms "assembly", "connection" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0088] In the description of this specification, the description with reference to the terms "some embodiments", "exemplarily", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0089] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application. Therefore, any changes or modifications made in accordance with the claims and description of the present application should fall within the scope of the patent of this application.

Claims

1. A polarity partition control module, used for controlling a display panel to perform polarity partitioning, wherein the display panel comprises at least one display area, wherein the display area comprises a plurality of columns of data lines and a plurality of sub-pixels arranged in an array, wherein: Each column of sub-pixels is arranged between two adjacent data lines, and each sub-pixel is connected to the two data lines corresponding to the column where it is located. The polarity partition control module includes: A plurality of signal lines, used for connecting at least one source driver module; A plurality of selectors, the number of the data lines is an odd number, every two adjacent data lines in the row direction form a data line group, each of the data line groups is connected to one of the signal lines via one of the selectors, and the remaining data line is directly connected to the signal line or connected via a first transistor, the selector is used to select and conduct the data line and the signal line on the first side of the data line group or the data line and the signal line on the second side, and the control end of the selector and the control end of the first transistor are both connected to a driving module.

2. The polarity partition control module according to claim 1, characterized in that: The selector includes a second transistor and a third transistor, the second transistor and the third transistor have different turn-on voltages, the control end of the second transistor and the control end of the third transistor are the control ends of the selector, the control end of the selector is connected to the driving module, the first end of the second transistor and the first end of the third transistor are both connected to the signal line, the second end of the second transistor is connected to the data line on the first side of the data line group, and the second end of the third transistor is connected to the data line on the second side of the data line group.

3. The polarity partition control module according to claim 2, characterized in that: The second transistor is a P-type transistor, and the third transistor is an N-type transistor.

4. The polarity partition control module according to claim 2, characterized in that: The polarity partition control module also includes a fourth transistor, the control end of the selector connected to all the data lines is connected to the first end of the fourth transistor, the second end of the fourth transistor is connected to the control power supply, and the control end of the fourth transistor is used to connect to the driving module.

5. The polarity partition control module according to claim 2, characterized in that: The remaining one data line in the display area is connected to the signal line through the first transistor.

6. A display panel, characterized in that: include: At least one display area, the display area comprising a plurality of columns of data lines and a plurality of sub-pixels arranged in an array, each column of the sub-pixels being arranged between two adjacent data lines, and each of the sub-pixels being connected to two data lines corresponding to the column in which it is located; The polarity partition control module according to any one of claims 1 to 5, wherein a selector of the polarity partition control module is connected to a data line of the display panel.

7. A driving module, characterized in that: include: at least one source driver module; The polarity partition control module according to any one of claims 1 to 5, wherein a signal line of the polarity partition control module is connected to the source driver module.

8. A display device, characterized in that: include: The display panel comprises at least one display area, wherein the display area comprises a plurality of columns of data lines and a plurality of sub-pixels arranged in an array, wherein each column of the sub-pixels is arranged between two adjacent data lines, and each sub-pixel is connected to two data lines corresponding to the column in which it is located; A driving module, comprising at least one source driving module; One of the display panel and the driving module further includes a polarity partition control module as described in any one of claims 1 to 5, a selector of the polarity partition control module is connected to a data line of the display panel, and a signal line of the polarity partition control module is connected to the source driving module.

9. The display device according to claim 8, characterized in that: The driving module also includes a picture detection module, which is connected to the control end of the selector and the display panel. The picture detection module is used to control the operation of the selector according to the crosstalk degree of the detected display picture to form a normal polarity mode and a polarity symmetric mode.

10. The display device according to claim 9, characterized in that: The picture detection module is a timing controller, which includes a waveform recognition unit. The waveform recognition unit is connected to the common electrode of the display panel and the control end of the selector. The waveform recognition unit is used to output a control signal to control the operation of the selector to form a polarity symmetric mode when the common electrode voltage exceeds a preset interval.

Images