Driving method of display panel, driving chip and display device

CN120126424BActive Publication Date: 2026-09-22SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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Patent Information

Application Number
CN202311682788.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-12-08
Publication Date
2026-09-22
Estimated Expiration
2043-12-08

AI Technical Summary

Technical Problem

但Trigate驱动架构搭配视角改善算法时,由于视角补偿方法与Tri-Gate驱动架构存在冲突,会导致显示画面出现严重的摇头纹

Benefits of technology

[0014]在本发明实施例提供的显示面板的驱动方法、驱动芯片及显示装置中,通过驱动多个子像素在多帧内进行显示,并使每一子像素在每一帧内具有高灰阶数据补偿状态或低灰阶数据补偿状态,且具有正极性或负极性,使得在同一帧内,在任一组相邻的两子像素列中的显示颜色相同且具有高灰阶数据补偿状态的多个子像素中,至少一个子像素的极性与其他的子像素的极性不同,从而在Trigate驱动架构下,在每个像素列中间隔奇数个子像素实现翻转像素极性的设计,以减小相邻的四个子像素列的显示颜色相同且具有高灰阶数据补偿状态的多个所述子像素之间的极性差异,改善头部发生移动时,在对应极性差异较大的区域具有极性变化时产生的亮度变化而被人眼察觉,产生摇头纹的现象。

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Abstract

The application provides a display panel driving method, a driving chip and a display device. A plurality of sub-pixels are driven to display in multiple frames, each sub-pixel has a high gray scale data compensation state or a low gray scale data compensation state, and has a positive polarity or a negative polarity, so that in the same frame, in the multiple sub-pixels with the same display color and the high gray scale data compensation state in any group of two adjacent sub-pixel columns, the polarity of at least one sub-pixel is different from the polarity of the other sub-pixels, thereby in the Trigate driving architecture, the design of the flip pixel polarity is realized by spacing odd number of sub-pixels in each pixel column, the polarity difference between the multiple sub-pixels with the same display color and the high gray scale data compensation state in the adjacent four sub-pixel columns is reduced, the phenomenon that the brightness change caused by the polarity change in the area with a large polarity difference is perceived by the human eye when the head moves and the head shake phenomenon is improved.
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Description

Technical Field

[0001] This invention relates to the field of display technology, and more specifically to a driving method, driving chip, and display device for a display panel. Background Technology

[0002] The existing triple-gate (Tri-Gate) driver architecture, combined with 4-Domain Vertical Alignment (4VA) technology, can improve transmittance and save on backlight costs. With the Trigate + 4-Domain VA combination, viewing angle improvement algorithms can be applied to improve image quality. However, when the Trigate driver architecture is used with viewing angle improvement algorithms, a conflict between the viewing angle compensation method and the Tri-Gate driver architecture can lead to severe head-shaking patterns in the displayed image. Summary of the Invention

[0003] This invention provides a driving method, driving chip, and display device for a display panel to improve the technical problem of severe head-shaking wrinkles.

[0004] Embodiments of the present invention provide a driving method for a display panel, wherein the display panel includes multiple first data lines, multiple second data lines, and multiple sub-pixels. The multiple first data lines and multiple second data lines are alternately arranged in a row direction; the multiple sub-pixels are arranged along intersecting row and column directions to form multiple sub-pixel rows in the column direction and multiple sub-pixel columns in the row direction. The multiple sub-pixel rows include alternating multiple first sub-pixel rows, multiple second sub-pixel rows, and multiple third sub-pixel rows. The sub-pixels in the same sub-pixel row have the same display color, while the display colors of the sub-pixels in the first sub-pixel row, the second sub-pixel row, and the third sub-pixel row are all different. The driving method includes driving the multiple sub-pixels to display within multiple frames. Each sub-pixel has one of a high grayscale data compensation state and a low grayscale data compensation state in each frame, and has one of a positive polarity and a negative polarity. The display panel includes multiple first sub-pixel groups electrically connected to multiple first data lines and multiple second sub-pixel groups electrically connected to multiple second data lines. Each sub-pixel column includes multiple first sub-pixel groups and multiple second sub-pixel groups alternately arranged. Each first sub-pixel group is electrically connected to a corresponding first data line, and each second sub-pixel group is connected to a second data line and includes 2n+1 sub-pixels, where n is a positive integer. Within the same frame, among the multiple sub-pixels in any two adjacent sub-pixel columns that have the same display color and a high grayscale data compensation state, at least one sub-pixel has a polarity different from the polarities of the other sub-pixels.

[0005] In some embodiments, within the same frame, the polarities of multiple sub-pixels in multiple first sub-pixel groups are the same, and the polarities of multiple sub-pixel groups in multiple second sub-pixel groups are the same. The polarities of the multiple sub-pixel groups in multiple first sub-pixel groups are opposite to the polarities of the multiple sub-pixel groups in multiple second sub-pixel groups.

[0006] In some embodiments, among a plurality of sub-pixels in the same sub-pixel column that have the same display color and a high grayscale data compensation state, the polarities of two adjacent sub-pixels are opposite.

[0007] In some embodiments, within the same frame, when sub-pixels with the same display color and a high grayscale data compensation state display the same grayscale, the absolute values ​​of the average effective voltages of adjacent first data lines and second data lines are the same.

[0008] In some embodiments, within the same sub-pixel row, the grayscale data compensation states of two adjacent sub-pixels are repeated in the opposite but identical order.

[0009] In some embodiments, within the same sub-pixel column, the grayscale data compensation states of two adjacent sub-pixels are repeated in the opposite but identical order.

[0010] In some embodiments, both the first sub-pixel group and the second sub-pixel group include a first sub-pixel, a second sub-pixel, and a third sub-pixel arranged along the column direction. Within the same sub-pixel column, the grayscale data compensation states of the first sub-pixels of multiple first sub-pixel groups are repeated in opposite but identical order; the grayscale data compensation states of the second sub-pixel groups of multiple first sub-pixel groups are repeated in opposite but identical order; and the grayscale data compensation states of the third sub-pixels of multiple first sub-pixel groups are repeated in identical but opposite order. The grayscale data compensation state of the first sub-pixel in the second sub-pixel group is opposite to the grayscale data compensation state of the third sub-pixel in the preceding adjacent first sub-pixel group; the grayscale data compensation states of the second sub-pixel in multiple second sub-pixel groups are repeated in opposite but identical order; and the grayscale data compensation states of the third sub-pixel in multiple second sub-pixel groups are repeated in opposite but identical order. Wherein, the grayscale data compensation state of the third sub-pixel in each second sub-pixel group is the same as the grayscale data compensation state of the first sub-pixel in the preceding adjacent first sub-pixel group.

[0011] In some embodiments, within the same sub-pixel column, the grayscale data compensation state of the sub-pixel adjacent to the second sub-pixel in the first sub-pixel group is opposite to the grayscale data compensation state of the sub-pixel adjacent to the first sub-pixel in the second sub-pixel group; the grayscale data compensation states of sub-pixels with the same display color in multiple first sub-pixel groups are repeated in reverse order, and the grayscale data compensation states of sub-pixels with the same display color in multiple second sub-pixel groups are repeated in reverse order; the grayscale data compensation states of two adjacent sub-pixels in each first sub-pixel group are opposite, and the grayscale data compensation states of two adjacent sub-pixels in each second sub-pixel group are opposite.

[0012] Embodiments of the present invention also provide a driver chip, the driver chip including a timing control chip and a source driver chip connected to the timing control chip, the driver chip being configured to execute program instructions to implement any of the above-described driving methods.

[0013] Embodiments of the present invention also provide a display device, including: a display panel and a driver chip electrically connected to the display panel. The driver chip is configured to execute program instructions to implement any of the driving methods described above.

[0014] In the display panel driving method, driving chip, and display device provided in the embodiments of the present invention, multiple sub-pixels are driven to display within multiple frames, and each sub-pixel has a high grayscale data compensation state or a low grayscale data compensation state within each frame, and has positive or negative polarity. This ensures that within the same frame, among the multiple sub-pixels with the same display color and high grayscale data compensation state in any two adjacent sub-pixel columns, at least one sub-pixel has a different polarity than the other sub-pixels. Thus, under the Trigate driving architecture, the design of flipping pixel polarity is implemented by spacing an odd number of sub-pixels in each pixel column, so as to reduce the polarity difference between the multiple sub-pixels with the same display color and high grayscale data compensation state in four adjacent sub-pixel columns. This improves the brightness change that occurs when there is a polarity change in the corresponding area with a large polarity difference when the head moves, which is perceived by the human eye and produces head shaking wrinkles. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of a planar structure of a display panel provided in an embodiment of the present invention;

[0017] Figure 2 This is a schematic diagram of a planar structure of a display panel provided in an embodiment of the present invention;

[0018] Figure 3 This is a schematic diagram of a planar structure of a display device provided in an embodiment of the present invention;

[0019] Figure 4 This is a schematic diagram of a planar structure of a display panel provided in an embodiment of the present invention;

[0020] Figure 5 This is a schematic diagram of a planar structure of a display panel provided in an embodiment of the present invention;

[0021] Figure 6 This is a schematic diagram of a planar structure of a display panel provided in an embodiment of the present invention;

[0022] Figure 7This is a schematic diagram of a planar structure of a display panel provided in an embodiment of the present invention;

[0023] Figure 8 This is a schematic flowchart of a display panel driving method provided by an embodiment of the present invention. Detailed Implementation

[0024] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Furthermore, it should be understood that the specific embodiments described herein are only for illustration and explanation of the present invention and are not intended to limit the present invention. In the present invention, unless otherwise stated, directional terms such as "upper" and "lower" generally refer to the upper and lower positions of the device in actual use or operation, specifically the drawing directions in the accompanying drawings; while "inner" and "outer" refer to the outline of the device.

[0025] like Figure 1 As shown, the compensation states of subpixels include high grayscale data compensation state H and low grayscale data compensation state L, and the polarity of subpixels includes positive polarity + and negative polarity -. Taking green, which is relatively sensitive to the human eye, as an example, we will explain the problems of head-shaking wrinkles and bright / dark lines. In the first region A1, the green subpixel G in two adjacent subpixel columns has a high grayscale data compensation state H and a negative polarity -. In the second region A2, the green subpixel G in two adjacent subpixel columns has a high grayscale data compensation state H and a positive polarity +. Therefore, the polarities of the green subpixel G in the first region A1 and the green subpixel G in the second region A2 are completely opposite, resulting in a significant difference in polarity between the adjacent subpixel columns of the first region A1 and the second region A2.

[0026] Furthermore, the green sub-pixels G in the first region A1 with high grayscale data compensation state H and the second region A2 with high grayscale data compensation state H switch polarity within different frames. When the head is stationary, the brightness of the first region A1 and the second region A2 is averaged over time, making the brightness unevenness difficult for the human eye to perceive. However, once the head moves, the time averaging effect is disrupted, and the human eye can easily perceive the brightness unevenness, resulting in severe head-shaking wrinkles.

[0027] Furthermore, the average effective voltage transmitted by the first data line DL1, the second data line DL2, and the third data line DL3 is different within each frame. For example, in... Figure 2Within the frame shown, the data voltages transmitted by multiple sub-pixels corresponding to the first data line DL1 are: 0-0-0-0-0-0-0-0-0-0-0-0-……; the data voltages transmitted by multiple sub-pixels corresponding to the second data line DL2 are: 0-(H-)-0-0-0-0-0-(H-)-0-0-0-……; and the data voltages transmitted by multiple sub-pixels corresponding to the third data line DL3 are: 0-(H+)-0-0-(H+)-0-0-(H+)-0-0-……. Therefore, within a single frame, the average effective voltage Vrms_A transmitted by the first data line DL1, the average effective voltage Vrms_B transmitted by the second data line DL2, and the average effective voltage Vrms_C transmitted by the third data line DL3 are all different, resulting in a vertical dark line distribution in the vertical direction (e.g., the brightness of GH- in the first region A1 differs from that of GH+ in the second region A2), causing a serious vertical crosstalk problem.

[0028] Because the bright / dark pixel cycle in the view improvement algorithm is consistent with the odd-numbered flip cycle in the Trigate driving architecture, the polarity patterns of bright / dark sub-pixels of different colors in the same column are the same. However, the polarity patterns of sub-pixels in different regions are different, leading to head-shaking patterns and vertical crosstalk problems (i.e., still based on...). Figure 1 Taking the green sub-pixel G as an example, observe... Figure 1 The arrangement of the green sub-pixels shows that the polarity of the green sub-pixels G with high grayscale data compensation state H in columns 1, 2, 5, 6, ... is all "-"; the polarity of the green sub-pixels G with high grayscale data compensation state H in columns 3, 4, 7, 8, ... is all "+". This asymmetrical polarity arrangement is the cause of head-shaking lines and vertical crosstalk.

[0029] Figure 3 This is a schematic diagram of a planar structure of a display device according to an embodiment of the present invention. The embodiment of the present invention provides a display device 10, which includes a display panel 101 and a driving module 102.

[0030] Optionally, the display panel 101 includes a liquid crystal display panel.

[0031] The display panel 101 includes multiple sub-pixels SPX, multiple data lines D, multiple scan lines SL, and a gate drive circuit GDC.

[0032] Multiple sub-pixels SPX are used to display images. These sub-pixels SPX are disposed in the display area DA and electrically connected to multiple data lines DL and multiple scan lines SL. The multiple sub-pixels SPX are arranged along intersecting row and column directions to form multiple sub-pixel rows SPXR in the column direction and multiple sub-pixel columns SPXC in the row direction.

[0033] Optionally, such as Figures 3-4 As shown, the plurality of sub-pixel rows SPXR include multiple alternating first sub-pixel rows SPXR1, multiple second sub-pixel rows SPXR2, and multiple third sub-pixel rows SPXR3. The display colors of the sub-pixels SPX within the same sub-pixel row SPXR are the same, while the display colors of the sub-pixels SPX within the first sub-pixel row SPXR1, the second sub-pixel row SPXR2, and the third sub-pixel row SPXR3 are all different.

[0034] Optionally, the plurality of sub-pixels SPX includes a plurality of first sub-pixels SPX1, a plurality of second sub-pixels SPX2, and a plurality of third sub-pixels SPX3. Each first sub-pixel row SPXR1 includes a plurality of first sub-pixels SPX1, each second sub-pixel row SPXR2 includes a plurality of second sub-pixels SPX2, and each third sub-pixel row SPXR3 includes a plurality of third sub-pixels SPX3. That is, the plurality of sub-pixels SPX forms a Trigate driving architecture.

[0035] Optionally, the first sub-pixel SPX1 is a blue sub-pixel, the second sub-pixel SPX2 is a green sub-pixel, and the third sub-pixel SPX3 is a red sub-pixel. Furthermore, the types of the first sub-pixel SPX1, the second sub-pixel SPX2, and the third sub-pixel SPX3 are not limited to this.

[0036] Multiple data lines DL include multiple first data lines DL1 and multiple second data lines DL2, which are arranged alternately in the row direction. The display panel 101 includes multiple first sub-pixel groups SPXG1 electrically connected to the multiple first data lines DL1 and multiple second sub-pixel groups SPXG2 electrically connected to the multiple second data lines DL2. Each sub-pixel column SPXC includes multiple first sub-pixel groups SPXG1 and multiple second sub-pixel groups SPXG2 alternately arranged, such that a second sub-pixel group SPXG2 connected to a second data line DL2 is provided between two adjacent first sub-pixel groups SPXG1 connected to the same first data line DL1. Each first sub-pixel group SPXG1 is electrically connected to a corresponding first data line DL1, and each second sub-pixel group SPXG2 is connected to a second data line DL2.

[0037] Please continue reading. Figure 3The gate driving circuit GDC is located within the non-display area NDA. The gate driving circuit GDC drives multiple rows of sub-pixels SPX through multiple scan lines SL. As the multiple rows of sub-pixels SPX are opened row by row, data signals are sequentially loaded onto the multiple rows of sub-pixels SPX through multiple data lines DL, thereby enabling the display panel 101 to display a complete frame of image within one frame. The non-display area NDA is located on at least one side of the display area DA. Optionally, the non-display area NDA may at least partially surround the display area DA.

[0038] The driving module 102 includes a circuit board 1021 and a chip-on-film (COF) 1022. Optionally, the circuit board 1021 includes a printed circuit board, and the COF 1022 includes a flexible circuit board. The COF 1022 includes a source driver chip (SIC) for transmitting data signals to multiple data lines (DT). The circuit board 1021 includes a timing control chip (TCON) electrically connected to the source driver chip (SIC) and the gate driver circuit (GDC) to output control timing to the source driver chip (SIC) and the gate driver circuit (GDC), so that the source driver chip (SIC) outputs the data signals according to the control timing, and the gate driver circuit (GDC) drives multiple rows of sub-pixels (SPX) according to the control timing.

[0039] Please continue reading. Figure 4 The second sub-pixel group SPXG2 includes 2n+1 sub-pixels SPX, where n is greater than or equal to 0 and n is a positive integer, in order to achieve a design of flipping pixel polarity by spacing an odd number of sub-pixels SPX in each pixel column SPXC.

[0040] Specifically, within the same frame, among multiple sub-pixels SPX with the same display color and high grayscale data compensation state H in any two adjacent sub-pixel columns SPXC, at least one sub-pixel SPX has a different polarity than the other sub-pixel SPX. This ensures that the polarities of multiple sub-pixels SPX with the same display color and high grayscale data compensation state H in any two adjacent sub-pixel columns SPXC are not all positive polarity + or negative polarity -. This improves the polarity difference between multiple sub-pixels SPX with the same display color and high grayscale data compensation state H in four adjacent sub-pixel columns SPXC, thereby reducing the problem of head-shaking wrinkles caused by the brightness change of areas with large polarity differences when the polarity changes during head movement, which is not perceived by the human eye.

[0041] Taking n=1 as an example, the pixel polarity flipping design of sub-pixel SPX in each sub-pixel column SPXC is explained.

[0042] Please continue reading. Figure 4 Within the same frame, the polarities of multiple sub-pixels SPX in multiple first sub-pixel groups SPXG1 are the same, and the polarities of multiple sub-pixels SPX in multiple second sub-pixel groups SPXG2 are the same. The polarities of the multiple sub-pixels SPX in multiple first sub-pixel groups SPXG1 are opposite to the polarities of the multiple sub-pixels SPX in multiple second sub-pixel groups SPXG2. This ensures that the polarities of multiple sub-pixels SPX in multiple first sub-pixel groups SPXG1 connected to the same first data line DL1 are the same, and the polarities of multiple sub-pixels SPX in multiple second sub-pixel groups SPXG2 connected to the same second data line DL2 are the same. The polarities of multiple sub-pixels SPX in multiple first sub-pixel groups SPXG1 connected to the first data line DL1 are opposite to the polarities of multiple sub-pixel SPX in multiple second sub-pixel groups SPXG2 connected to adjacent second data lines DL2. This design achieves pixel polarity reversal by spacing 3 sub-pixels SPX in each pixel column SPXC. In each pixel column SPXC, a second sub-pixel group SPXG2 comprising three sub-pixels SPX is positioned between two adjacent first sub-pixel groups SPXG1. Within the same frame, the polarity of the sub-pixels SPX in the multiple first sub-pixel groups SPXG1 is either positive or negative, and the polarity of the sub-pixels SPX in the multiple second sub-pixel groups SPXG2 is either positive or negative. Therefore, in each pixel column SPXC, a rotation between positive and negative polarity can be achieved by spacing three sub-pixels SPX.

[0043] Optionally, among the multiple sub-pixels SPX with the same display color and high grayscale data compensation state H in the same sub-pixel column SPXC, the polarities of adjacent sub-pixels SPX are opposite. For example, among the multiple second sub-pixels SPX2 with high grayscale data compensation state H in the first sub-pixel column SPXC1, the polarities of the multiple second sub-pixels SPX2 are successively negative polarity - and positive polarity +, so that in a sub-pixel column SPXC, the polarities of the multiple sub-pixels SPX with the same display color and high grayscale data compensation state H are not all positive polarity + or negative polarity -, thereby improving the polarity difference between the multiple sub-pixels SPX with the same display color and high grayscale data compensation state H in two adjacent sub-pixel columns SPXC, and thus improving the phenomenon of head shaking wrinkles observed by the human eye due to the large polarity difference in the region when the head moves.

[0044] Optionally, in a sub-pixel column SPXC within a frame, the positions of multiple first sub-pixels SPX1 with negative polarity (-) are SPX1H- = 12(y1-1) + 7, the positions of multiple first sub-pixels SPX1 with positive polarity (+) are SPX1H+ = 12(y1-1) + 10, the positions of multiple second sub-pixels SPX2 with negative polarity (-) are SPX2H- = 12(y1-1) + 2, the positions of multiple second sub-pixels SPX2 with positive polarity (+) are SPX2H+ = 12(y1-1) + 11, the positions of multiple third sub-pixels SPX3 with negative polarity (-) are SPX3H- = 12(y1-1) + 3, and the positions of multiple third sub-pixels SPX3 with positive polarity (+) are SPX3H+ = 12(y1-1) + 6. Wherein, y1 is greater than or equal to 1. In a sub-pixel column SPXC within a frame, the sub-pixel rows SPXR corresponding to the first sub-pixel SPX1 with negative polarity - are: 7, 19, 31, ...; the sub-pixel rows SPXR corresponding to the first sub-pixel SPX1 with positive polarity + are: 10, 22, 34, ...; the sub-pixel rows SPXR corresponding to the second sub-pixel SPX2 with negative polarity - are: 2, 14, 26, ...; the sub-pixel rows SPXR corresponding to the second sub-pixel SPX2 with positive polarity + are: 11, 23, 35, ...; the sub-pixel rows SPXR corresponding to the third sub-pixel SPX3 with negative polarity - are: 3, 15, 27, ...; and the sub-pixel rows SPXR corresponding to the third sub-pixel SPX3 with positive polarity + are: 6, 18, 30, ... Therefore, in the design of inverting pixel polarity by spacing 3 sub-pixels SPX in the pixel column SPXC, when the sub-pixel row SPXR is divided by 6 and the remainder is 1, the sub-pixel row SPXR corresponds to the position where the first sub-pixel SPX1 has a negative polarity (-). When the sub-pixel row SPXR is divided by 6 and the remainder is 4, the sub-pixel row SPXR corresponds to the position where the first sub-pixel SPX1 has a positive polarity (+). When the sub-pixel row SPXR is divided by 6 and the remainder is 2, the sub-pixel row SPXR corresponds to the position where the second sub-pixel SPX2 has a negative polarity (-). When the sub-pixel row SPXR is divided by 6 and the remainder is 5, the sub-pixel row SPXR corresponds to the position where the second sub-pixel SPX2 has a positive polarity (+). When the sub-pixel row SPXR is divided by 6 and the remainder is 3, the sub-pixel row SPXR corresponds to the position where the third sub-pixel SPX3 has a negative polarity (-). When the sub-pixel row SPXR is divided by 6 and the remainder is 0, the sub-pixel row SPXR corresponds to the position where the third sub-pixel SPX3 is positive polarity +, so that the distribution of multiple sub-pixels SPX with high grayscale data compensation state H in the sub-pixel column SPXC is evenly staggered, thereby reducing the probability of the head-shaking pattern problem.Understandably, in an adjacent frame, the positive and negative polarities of multiple said sub-pixels SPX are interchanged.

[0045] like Figure 5 As shown, within the same frame, when sub-pixels SPX displaying the same grayscale and having the same display color and a high grayscale data compensation state H, the absolute values ​​of the average effective voltages of adjacent first data lines DL1 and second data lines DL2 are the same. For example, when the second sub-pixel SPX2 with a high grayscale data compensation state H is lit within the same frame, the voltage of the first data line DL1 can be expressed as: 0-0-0-0-(H-)-0-0-(H-)-0-0-0-0…, and the voltage of the second data line DL2 can be expressed as: 0-(H+)-0-0-0-0-0-(H+)-0-0-0-0…. Therefore, the average effective voltages of the first data line DL1 and the second data line within the same frame are the same in magnitude but opposite in polarity. This effectively reduces the probability of vertical crosstalk.

[0046] Alternatively, please continue reading Figure 4 Within the same sub-pixel row SPXR, the grayscale data compensation states of two adjacent sub-pixels SPX are repeated in the opposite but identical order. For example, in the first six sub-pixels SPX in the first sub-pixel row SPXR1, the grayscale data compensation states of the six sub-pixels SPX are, in sequence, low grayscale data compensation state L, high grayscale data compensation state H, high grayscale data compensation state H, low grayscale data compensation state L, low grayscale data compensation state L, and high grayscale data compensation state H.

[0047] Alternatively, please continue reading Figures 6-7 In the first six sub-pixels SPX of the first row of sub-pixels SPXR, the grayscale data compensation states of the six sub-pixels SPX are, in order, high grayscale data compensation state H, low grayscale data compensation state L, low grayscale data compensation state L, high grayscale data compensation state H, high grayscale data compensation state H, and low grayscale data compensation state L.

[0048] Please continue reading. Figure 4 Within the same sub-pixel column SPXC, the grayscale data compensation states of two adjacent sub-pixels SPX are repeated in the opposite but identical order. For example, in the first sub-pixel column SPXC1, the grayscale data compensation states of multiple sub-pixels SPX are, in sequence, low grayscale data compensation state L, high grayscale data compensation state H, high grayscale data compensation state H, and low grayscale data compensation state L.

[0049] Please see Figure 6This embodiment is similar to Embodiment 1, except that: in the same sub-pixel column SPXC, the grayscale data compensation states of multiple sub-pixels SPX are repeated in the following order: high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, and high grayscale data compensation state H. This is to ensure that the distribution of multiple sub-pixels SPX with high grayscale data compensation state H in the sub-pixel column SPXC is evenly staggered, thereby reducing the probability of the head-shaking pattern problem.

[0050] Specifically, the following example illustrates how the first sub-pixel group SPXG1 and the second sub-pixel group SPXG2 both include a first sub-pixel SPX1, a second sub-pixel SPX2, and a third sub-pixel SPX3 arranged along the column direction.

[0051] Within the same sub-pixel column, the grayscale data compensation states of the first sub-pixels SPX1 of multiple first sub-pixel groups SPXG1 are repeated in reverse but identical order, and the grayscale data compensation states of the second sub-pixels SPX2 of multiple first sub-pixel groups SPXG1 are repeated in reverse but identical order. Within the same sub-pixel column, the grayscale data compensation states of the third sub-pixels SPX3 of multiple first sub-pixel groups SPXG1 are repeated in identical but reverse order. The grayscale data compensation state of the first sub-pixel SPX1 in the second sub-pixel group SPXG2 is opposite to the grayscale data compensation state of the third sub-pixel SPX3 in the preceding adjacent first sub-pixel group SPXG1. The grayscale data compensation states of the second sub-pixel SPX2 in multiple second sub-pixel groups SPXG2 are repeated in the same and opposite order. The grayscale data compensation states of the third sub-pixel SPX3 in multiple second sub-pixel groups SPXG2 are repeated in the opposite and same order. In each second sub-pixel group SPXG2, the grayscale data compensation state of the third sub-pixel SPX3 is the same as the grayscale data compensation state of the first sub-pixel SPX1 in the preceding adjacent first sub-pixel group SPXG1.

[0052] For example, in the first sub-pixel column SPXC1, the grayscale data compensation states of the first sub-pixels SPX1 of multiple first sub-pixel groups SPXG1 are, in sequence, high grayscale data compensation state H, low grayscale data compensation state L, low grayscale data compensation state L, high grayscale data compensation state H, high grayscale data compensation state H, low grayscale data compensation state L, low grayscale data compensation state L, high grayscale data compensation state H, ... In the first sub-pixel column SPXC1, the grayscale data compensation states of the second sub-pixels SPX2 of multiple first sub-pixel groups SPXG1 are, in sequence, low grayscale data compensation state L, high grayscale data compensation state H, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, high grayscale data compensation state H, low grayscale data compensation state L, ... In the first sub-pixel column SPXC1, the grayscale data compensation states of the third sub-pixel SPX3 of multiple first sub-pixel groups SPXG1 are, in sequence, high grayscale data compensation state H, high grayscale data compensation state H, low grayscale data compensation state L, low grayscale data compensation state L, high grayscale data compensation state H, high grayscale data compensation state H, low grayscale data compensation state L, low grayscale data compensation state L, ... In the first sub-pixel column SPXC1, the grayscale data compensation states of the first sub-pixel SPX1 of multiple second sub-pixel groups SPXG2 are, in sequence, low grayscale data compensation state L, low grayscale data compensation state L, high grayscale data compensation state H, high grayscale data compensation state H, low grayscale data compensation state L, low grayscale data compensation state L, high grayscale data compensation state H, ... In the first sub-pixel column SPXC1, the grayscale data compensation states of the second sub-pixels SPX2 of multiple second sub-pixel groups SPXG2 are, in sequence, low grayscale data compensation state L, high grayscale data compensation state H, high grayscale data compensation state H, low grayscale data compensation state L, low grayscale data compensation state L, high grayscale data compensation state H, high grayscale data compensation state H, low grayscale data compensation state L, ... In the first sub-pixel column SPXC1, the grayscale data compensation states of the third sub-pixels SPX3 of multiple second sub-pixel groups SPXG2 are, in sequence, high grayscale data compensation state H, low grayscale data compensation state L, low grayscale data compensation state L, high grayscale data compensation state H, ...

[0053] Similarly, within the same sub-pixel column SPXC, the grayscale data compensation states of multiple sub-pixels SPX are repeated in the following order: low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, and low grayscale data compensation state L. This ensures that the distribution of multiple sub-pixels SPX with high grayscale data compensation state H in the sub-pixel column SPXC is evenly staggered, thereby reducing the probability of the "head-shaking" problem.

[0054] For example, in the second sub-pixel column SPXC2, the grayscale data compensation states of the first sub-pixels SPX1 of multiple first sub-pixel groups SPXG1 are, in sequence, low grayscale data compensation state L, high grayscale data compensation state H, high grayscale data compensation state H, low grayscale data compensation state L, low grayscale data compensation state L, high grayscale data compensation state H, high grayscale data compensation state H, low grayscale data compensation state L, ... Similarly, in the second sub-pixel column SPXC2, the grayscale data compensation states of the second sub-pixels SPX2 of multiple first sub-pixel groups SPXG1 are, in sequence, high grayscale data compensation state H, low grayscale data compensation state L, low grayscale data compensation state L, high grayscale data compensation state H, ... In the second sub-pixel column SPXC2, the grayscale data compensation states of the third sub-pixel SPX3 of multiple first sub-pixel groups SPXG1 are, in sequence, low grayscale data compensation state L, low grayscale data compensation state L, high grayscale data compensation state H, high grayscale data compensation state H, low grayscale data compensation state L, low grayscale data compensation state L, high grayscale data compensation state H, high grayscale data compensation state H, ... In the second sub-pixel column SPXC2, the grayscale data compensation states of the first sub-pixel SPX1 of multiple second sub-pixel groups SPXG2 are, in sequence, high grayscale data compensation state H, high grayscale data compensation state H, low grayscale data compensation state L, low grayscale data compensation state L, ... In the second sub-pixel column SPXC2, the grayscale data compensation states of the second sub-pixels SPX2 of multiple second sub-pixel groups SPXG2 are, in sequence, high grayscale data compensation state H, low grayscale data compensation state L, low grayscale data compensation state L, high grayscale data compensation state H, high grayscale data compensation state H, low grayscale data compensation state L, low grayscale data compensation state L, high grayscale data compensation state H, ... In the second sub-pixel column SPXC2, the grayscale data compensation states of the third sub-pixels SPX3 of multiple second sub-pixel groups SPXG2 are, in sequence, low grayscale data compensation state L, high grayscale data compensation state H, high grayscale data compensation state L, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, ...

[0055] Please see Figure 7In this embodiment, within the same sub-pixel column SPXC, the grayscale data compensation states of multiple sub-pixels SPX are repeated in the following order: high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H. This ensures that the distribution of multiple sub-pixels SPX with high grayscale data compensation state H in the sub-pixel column SPXC is uniformly staggered, thereby reducing the probability of the "head-shaking" problem.

[0056] Accordingly, within the same sub-pixel column, the grayscale data compensation state of the sub-pixel SPX adjacent to the second sub-pixel SPX2 in the first sub-pixel group SPXG1 is opposite to the grayscale data compensation state of the sub-pixel SPX adjacent to the first sub-pixel SPX1 in the second sub-pixel group SPXG2; the grayscale data compensation states of multiple sub-pixel SPX with the same display color in the first sub-pixel group SPXG1 are repeated in reverse order, and the grayscale data compensation states of multiple sub-pixel SPX with the same display color in the second sub-pixel group SPXG2 are repeated in reverse order; the grayscale data compensation states of two adjacent sub-pixel SPX in each first sub-pixel group SPXG1 are opposite, and the grayscale data compensation states of two adjacent sub-pixel SPX in each second sub-pixel group SPXG2 are opposite.

[0057] To illustrate further, let's take the example where both the first sub-pixel group SPXG1 and the second sub-pixel group SPXG2 include a first sub-pixel SPX1, a second sub-pixel SPX2, and a third sub-pixel SPX3 arranged along the column direction. In the first column of sub-pixel columns SPXC1, the grayscale data compensation states of the first sub-pixels SPX1 of multiple first sub-pixel groups SPXG1 are, in sequence, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, ... In the first sub-pixel column SPXC1, the grayscale data compensation states of the second sub-pixels SPX2 of multiple first sub-pixel groups SPXG1 are, in sequence, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, ... In the first sub-pixel column SPXC1, the grayscale data compensation states of the third sub-pixels SPX3 of multiple first sub-pixel groups SPXG1 are, in sequence, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, ... In the first sub-pixel column SPXC1, the grayscale data compensation states of the first sub-pixel SPX1 of multiple second sub-pixel groups SPXG2 are, in sequence, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, ... In the first sub-pixel column SPXC1, the grayscale data compensation states of the second sub-pixel SPX2 of multiple second sub-pixel groups SPXG2 are, in sequence, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, ... In the first sub-pixel column SPXC1, the grayscale data compensation states of the third sub-pixel SPX3 of multiple second sub-pixel groups SPXG2 are, in sequence, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, ...

[0058] Similarly, within the same sub-pixel column SPXC, the grayscale data compensation states of multiple sub-pixels SPX are repeated in the following order: low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, so as to ensure that the distribution of multiple sub-pixels SPX with high grayscale data compensation state H in the sub-pixel column SPXC is evenly staggered, thereby reducing the probability of the "head-shaking" problem.

[0059] For example, in the second sub-pixel column SPXC2, the grayscale data compensation states of the first sub-pixels SPX1 of multiple first sub-pixel groups SPXG1 are, in sequence, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, ... Similarly, in the second sub-pixel column SPXC2, the grayscale data compensation states of the second sub-pixels SPX2 of multiple first sub-pixel groups SPXG1 are, in sequence, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, ... In the second sub-pixel column SPXC2, the grayscale data compensation states of the third sub-pixel SPX3 of multiple first sub-pixel groups SPXG1 are, in sequence, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, ... In the second sub-pixel column SPXC2, the grayscale data compensation states of the first sub-pixel SPX1 of multiple second sub-pixel groups SPXG2 are, in sequence, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, ... In the second sub-pixel column SPXC2, the grayscale data compensation states of the second sub-pixels SPX2 of multiple second sub-pixel groups SPXG2 are, in sequence, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, and so on. Similarly, in the second sub-pixel column SPXC2, the grayscale data compensation states of the third sub-pixels SPX3 of multiple second sub-pixel groups SPXG2 are, in sequence, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, high grayscale data compensation state H, low grayscale data compensation state L, and so on.

[0060] Please see Figure 8 Embodiments of the present invention also provide a driving method for a display panel, applied in the display module 1 described above, to drive the display panel 101. The driving method can be implemented by the source driver chip SIC by executing corresponding program instructions. The driving method includes:

[0061] S1, drive multiple sub-pixels SPX to be displayed within multiple frames.

[0062] Each of the sub-pixels SPX has a high grayscale data compensation state H and a low grayscale data compensation state L in the multi-frames, and has a positive polarity + and a negative polarity -.

[0063] Each sub-pixel column SPXC includes multiple sub-pixel groups SPXG. Each sub-pixel group SPXG includes a first sub-pixel group SPXG1 electrically connected to a first data line DL1 and a second sub-pixel group SPXG2 electrically connected to a second data line DL2. The multiple first sub-pixel groups SPXG1 and the multiple second sub-pixel groups SPX2 are alternately arranged in the column direction. The second sub-pixel group SPXG2 includes 2n+1 sub-pixels SPX, where n is a positive integer, to achieve a design that flips pixel polarity by spacing an odd number of sub-pixels SPX in each pixel column.

[0064] Optionally, within the same frame, among the multiple sub-pixels SPX with the same display color and high grayscale data compensation state H in any two adjacent sub-pixel columns SPXC, at least one sub-pixel SPX has a different polarity than the other sub-pixel SPX. This ensures that the polarities of the multiple sub-pixels SPX with the same display color and high grayscale data compensation state H in any two adjacent sub-pixel columns SPXC are not all positive polarity + or negative polarity -. This improves the polarity difference between the multiple sub-pixels SPX with the same display color and high grayscale data compensation state H in four adjacent sub-pixel columns SPXC, thereby reducing the phenomenon of head shaking wrinkles that are observed by the human eye when the head moves due to the large difference in polarity in the region.

[0065] Furthermore, every p frames, the polarity of multiple sub-pixels SPX of multiple sub-pixel groups PXG is reversed to achieve polarity symmetry in the time dimension. Here, p is a positive integer, greater than or equal to 1.

[0066] Embodiments of the present invention also provide a driver chip, the driver chip including a timing control chip and a source driver chip connected to the timing control chip, the driver chip being configured to execute program instructions to implement the driving method described above.

[0067] The embodiments of the present invention have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of the present invention. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of the present invention. Therefore, the content of this specification should not be construed as a limitation of the present invention.

[0068] This document uses specific examples to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of the present invention. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of the present invention. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A driving method for a display panel, used to drive the display panel, the display panel including multiple first data lines, multiple second data lines, and multiple sub-pixels, wherein, Multiple first data lines and multiple second data lines are arranged alternately in the row direction; Multiple sub-pixels are arranged along intersecting row and column directions to form multiple sub-pixel rows in the column direction and multiple sub-pixel columns in the row direction, wherein each sub-pixel column includes a column of sub-pixels arranged along the column direction; the multiple sub-pixel rows include multiple first sub-pixel rows, multiple second sub-pixel rows, and multiple third sub-pixel rows arranged alternately along the row direction, the display colors of multiple sub-pixels in the same sub-pixel row are the same, and the display colors of the sub-pixels in the first sub-pixel row, the second sub-pixel row, and the third sub-pixel row are all different; The driving method includes: The multiple sub-pixels are driven to be displayed in multiple frames, wherein each sub-pixel has one of a high grayscale data compensation state and a low grayscale data compensation state in each frame, and has one of a positive polarity and a negative polarity. The display panel includes a plurality of first sub-pixel groups electrically connected to a plurality of first data lines and a plurality of second sub-pixel groups electrically connected to a plurality of second data lines. Each sub-pixel column includes a plurality of first sub-pixel groups and a plurality of second sub-pixel groups alternately arranged along the column direction. Each first sub-pixel group is electrically connected to a corresponding first data line, and each second sub-pixel group is connected to a second data line. Each first sub-pixel group includes a plurality of sub-pixels along the column direction, and each second sub-pixel includes 2n+1 sub-pixels along the column direction, where n is a positive integer. Within the same frame, among a plurality of sub-pixels in any pair of adjacent sub-pixel columns that have the same display color and a high grayscale data compensation state, at least one of the sub-pixels has a polarity different from that of the other sub-pixels.

2. The driving method for the display panel according to claim 1, characterized in that, Within the same frame, multiple sub-pixels of multiple first sub-pixel groups have the same polarity, and multiple sub-pixels of multiple second sub-pixel groups have the same polarity, wherein the polarity of multiple sub-pixels of multiple first sub-pixel groups is opposite to the polarity of multiple sub-pixels of multiple second sub-pixel groups.

3. The driving method for the display panel according to claim 1, characterized in that, Among multiple sub-pixels in the same sub-pixel column that have the same display color and a high grayscale data compensation state, the polarities of two adjacent sub-pixels are opposite.

4. The driving method for the display panel according to claim 3, characterized in that, Within the same frame, when sub-pixels displaying the same color and having a high grayscale data compensation state display the same grayscale, the absolute values ​​of the average effective voltages of adjacent first and second data lines are the same.

5. The driving method for a display panel according to any one of claims 1-4, characterized in that, In the same sub-pixel row, the grayscale data compensation states of two adjacent sub-pixels are repeated in the opposite but identical order.

6. The driving method for a display panel according to claim 5, characterized in that, In the same sub-pixel column, the grayscale data compensation states of two adjacent sub-pixels are repeated in the opposite but identical order.

7. The driving method for a display panel according to claim 5, characterized in that, Both the first sub-pixel group and the second sub-pixel group include a first sub-pixel, a second sub-pixel, and a third sub-pixel arranged along the column direction; In the same sub-pixel column, the grayscale data compensation states of the first sub-pixels of multiple first sub-pixel groups are repeated in opposite but identical order; the grayscale data compensation states of the second sub-pixels of multiple first sub-pixel groups are repeated in opposite but identical order; and the grayscale data compensation states of the third sub-pixels of multiple first sub-pixel groups are repeated in identical but opposite order. The grayscale data compensation state of the first sub-pixel in the second sub-pixel group is opposite to the grayscale data compensation state of the third sub-pixel in the preceding adjacent first sub-pixel group. The grayscale data compensation states of the second sub-pixels of multiple second sub-pixel groups are repeated in opposite but identical order; and the grayscale data compensation states of the third sub-pixels of multiple second sub-pixel groups are repeated in opposite but identical order. Wherein, the grayscale data compensation state of the third sub-pixel in each second sub-pixel group is the same as the grayscale data compensation state of the first sub-pixel in the preceding adjacent first sub-pixel group.

8. The driving method for a display panel according to claim 5, characterized in that, In the same sub-pixel column, the grayscale data compensation state of the sub-pixel adjacent to the second sub-pixel in the first sub-pixel group is opposite to the grayscale data compensation state of the sub-pixel adjacent to the first sub-pixel in the second sub-pixel group; the grayscale data compensation states of sub-pixels with the same display color in multiple first sub-pixel groups are repeated in reverse order, and the grayscale data compensation states of sub-pixels with the same display color in multiple second sub-pixel groups are repeated in reverse order; the grayscale data compensation states of two adjacent sub-pixels in each first sub-pixel group are opposite, and the grayscale data compensation states of two adjacent sub-pixels in each second sub-pixel group are opposite.

9. A driver chip, the driver chip comprising a timing control chip and a source driver chip connected to the timing control chip, characterized in that, The driver chip is configured to execute program instructions to implement the driving method as described in any one of claims 1-8.

10. A display device, characterized in that, include: Display panel; as well as A driver chip, electrically connected to the display panel, is configured to execute program instructions to implement the driving method as described in any one of claims 1-8.

Citation Information

Patent Citations

  • Display panel driving method

    CN105845066A

  • Display panel and driving method thereof

    CN112530344A

  • Display panel and driving method thereof

    CN116741117A