Method for improving charging rate, apparatus for improving charging rate, and computer-readable medium

Abstract

The present application relates to a method for improving charging rate, an apparatus for improving charging rate, and a computer-readable medium. The method comprises: controlling a display panel to display a plurality of groups of monochromatic images to be tested; acquiring a plurality of test charging durations and a plurality of pieces of test position information; generating a multi-dimensional lookup table on the basis of the current grayscale, the plurality of test charging durations, and the plurality of pieces of test position information; querying a plurality of candidate charging durations on the basis of the lookup table; and determining a target charging duration on the basis of the plurality of candidate charging durations.

Description

Charging rate improvement method, charging rate improvement device and computer readable medium Technical Field

[0001] The present application relates to the technical field of display panel correction, and in particular to a charging rate improvement method, a charging rate improvement device, and a computer-readable medium. Background Art

[0002] The liquid crystal molecules in vertical alignment (VA) LCD panels are aligned perpendicular to the substrate when no voltage is applied. This offers the advantage of high contrast, but also a narrow viewing angle. Therefore, large-scale VA LCD panels often employ a View Angle Compensation (VAC) algorithm to compensate for this. VAC algorithms require frequent switching between high and low voltages for the data signal, placing higher demands on the panel's charging capabilities.

[0003] VA LCD panels often utilize a Tri-gate pixel architecture. Because the red, green, and blue sub-pixels in Tri-gate panels are arranged vertically, this reduces the number of Chip-On-Film (COF) components and reduces costs, but it also introduces charging issues. Compared to conventional panels, the row charging time of Tri-gate panels is one-third that of conventional panels. Therefore, the manufacture of high-resolution, large-size Tri-gate VA LCD panels requires a VAC algorithm, which places extremely high demands on the charging capabilities of Tri-gate panels.

[0004] In the related art, to improve the charging capacity of the Tri-gate pixel architecture panel, one is to adjust the panel charging timing so that each pixel of the panel reaches the optimal charging state and the charging uniformity is good. However, the set optimal charging state is for a certain fixed grayscale, which makes the charging rate of the panel higher at the current grayscale and lower for other grayscales; the second is to use an algorithm to improve the charging capacity. For example, the algorithms currently known to improve the charging capacity of the panel include the overdrive (LOD) algorithm and the horizontal charge compensation (HCC) algorithm. The LOD algorithm applies a voltage greater than the target voltage to the next row of pixels, so that the pixel voltage of the next row reaches the target voltage within a certain charging time. The HCC algorithm reduces the blank area time and increases the charging time of the entire panel, thereby achieving the purpose of improving the panel charging. Since the charging capacity of the Tri-gate pixel architecture panel improved by the above method has not fully reached the ideal level, it is necessary to find a more effective method to further improve the charging capacity of the Tri-gate pixel architecture panel. SUMMARY OF THE INVENTION

[0005] This application mainly focuses on how to further improve the charging capability of Tri-gate pixel architecture panels.

[0006] In view of this, the present application proposes a charging rate improvement method, a charging rate improvement device and a computer-readable medium, which can adjust the target charging time in real time according to the target picture, so that the pixels in the vertical direction of the panel can reach the optimal charging state without mischarging, and improve the charging rate of the three-gate structure display panel under different grayscale pictures, thereby laying the panel charging foundation for running the viewing angle improvement algorithm.

[0007] According to one aspect of the present application, a charging rate improvement method is provided, which is applied to a display panel with a three-gate pixel architecture, wherein the display panel includes a plurality of pixels arranged in an array, each of the pixels includes a plurality of sub-pixels of different color types, the color types of the sub-pixels in each row are the same, and the color types of different sub-pixels in each column of the pixels are different, and the charging rate improvement method includes: controlling the display panel to display a plurality of groups of monochrome images to be tested, each group of the monochrome images to be tested has the same color type, and the grayscales of the multiple monochrome images to be tested in the same group are different; obtaining a plurality of test charging times and a plurality of test position information of the multiple sub-pixels to be tested in the monochrome images to be tested; generating a multidimensional lookup table according to the current grayscales of the multiple sub-pixels to be tested, the multiple test charging times and the multiple test position information; querying a plurality of selected charging times of target sub-pixels in each row in the multiple target monochrome images after the target image is decomposed based on the lookup table; and determining the target charging time of the corresponding row sub-pixels according to the multiple selected charging times.

[0008] According to another aspect of the present application, a charging rate improvement device is provided, which includes: a processor; and a storage device for storing one or more programs, which, when executed by the processor, enables the processor to implement the charging rate improvement method.

[0009] According to another aspect of the present application, a computer-readable medium is provided, on which a computer program is stored. When the computer program is executed by a processor, the charging rate improvement method is implemented. Beneficial effects

[0010] By controlling the display panel to display multiple groups of monochrome images to be tested at different grayscales, and generating a multidimensional lookup table based on the current grayscale of multiple sub-pixels to be tested, multiple test charging times and multiple test position information, then querying the multiple candidate charging times of each row of target sub-pixels in the multiple target monochrome images after the target image is decomposed based on the lookup table, and then determining the target charging time of the corresponding row of sub-pixels based on the multiple candidate charging times, according to various aspects of the present application, the target charging time can be adjusted in real time according to the target image, so that the pixels in the vertical direction of the panel can reach the optimal charging state without mischarging, thereby improving the charging rate of the three-gate structure display panel under different grayscale images, thereby laying the panel charging foundation for running the viewing angle improvement algorithm. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The following detailed description of the specific embodiments of the present application in conjunction with the accompanying drawings will make the technical solutions and other beneficial effects of the present application apparent.

[0012] FIG1 shows a flow chart of a method for improving a charging rate according to an embodiment of the present application.

[0013] FIG. 2 is a schematic diagram showing a pixel architecture of a display panel according to an embodiment of the present application.

[0014] FIG3 is a schematic diagram showing test points of a display panel according to an embodiment of the present application.

[0015] FIG. 4 is a schematic diagram showing target charging times of various test points of a display panel under green images of different grayscales according to an embodiment of the present application. Modes for Carrying Out the Invention

[0016] FIG1 is a flow chart of a method for improving the charging rate according to an embodiment of the present application. The method is applied to a display panel with a tri-gate pixel architecture. As shown in FIG1 , the method includes:

[0017] Step S1: controlling the display panel to display multiple groups of monochrome images to be tested, wherein each group of monochrome images to be tested has the same color type, and the multiple monochrome images to be tested in the same group have different grayscales;

[0018] The display panel includes a plurality of pixels arranged in an array, each pixel including a plurality of sub-pixels of different color types, the sub-pixels in each row having the same color type, and the sub-pixels in each column having different color types. Optionally, each pixel includes a red sub-pixel, a blue sub-pixel, and a green sub-pixel.

[0019] Figure 2 shows a schematic diagram of the pixel architecture of a display panel according to an embodiment of the present application. Referring to Figure 2 , the display panel according to the present application can employ a tri-gate pixel architecture. In a tri-gate pixel architecture, three adjacent sub-pixels in the same column can share a data line, and each row of sub-pixels corresponds to a scan line.

[0020] Taking Figure 2 as an example, the top row of subpixels is called the first row of subpixels, and the leftmost column of subpixels is called the first column of subpixels. Any subpixel in Figure 2 can be denoted as subpixel (m,n), where m represents the row number of the subpixel and n represents the column number of the subpixel. Both m and n are positive integers. In Figure 2, subpixel (1,1) is a blue subpixel, subpixel (2,1) is a green subpixel, and subpixel (3,1) is a red subpixel. Subpixel (1,1), subpixel (2,1), and subpixel (3,1) are arranged vertically, rather than horizontally as in a conventional structure.

[0021] For example, the display panel has a resolution of 3840*2160. In a conventional architecture, red, green, and blue sub-pixels are arranged in rows, resulting in a total of 3840*2160*3 sub-pixels arranged in an array. The number of data lines is 2160*3, and the number of scan lines is 3840. In a Tri-gate pixel architecture, red, green, and blue sub-pixels are arranged vertically, reducing the number of data lines to 2160 and the number of scan lines to 3840*3.

[0022] It should be noted that the display panel of this application can further adopt a stripe architecture or a flip architecture based on the tri-gate pixel architecture. When using a stripe architecture, one data line drives one column of sub-pixels; when using a flip architecture, one data line can simultaneously drive sub-pixels in two adjacent columns. The architecture shown in Figure 2 is a flip architecture. It should be understood that this application does not limit the specific architecture used by the display panel.

[0023] In one embodiment, the display panel is controlled to display three groups of monochrome images to be tested, the three groups of monochrome images to be tested being a red group of images to be tested, a green group of images to be tested, and a blue group of images to be tested. Each group of images to be tested may include multiple images at different grayscales corresponding to the color group. The monochrome images to be tested are red images to be tested, green images to be tested, or blue images to be tested.

[0024] Furthermore, controlling the display panel to display multiple sets of monochrome images to be tested includes:

[0025] Step S11: controlling the display panel to display a red group of images to be tested, wherein the red group of images to be tested includes a plurality of red images to be tested at different grayscales;

[0026] Step S12: controlling the display panel to display a green group of images to be tested, wherein the green group of images to be tested includes a plurality of green images to be tested at different grayscales;

[0027] Step S13: controlling the display panel to display a blue group of images to be tested, wherein the blue group of images to be tested includes a plurality of blue images to be tested at different grayscales.

[0028] The order of steps S11 to S13 can be adjusted as needed, for example, the display panel can be controlled to display the green group of test images first, and then the display panel can be controlled to display the red group of test images. It is understood that the present application does not limit the order of steps S11 to S13.

[0029] In one embodiment, the grayscale of the monochrome image to be tested can be predetermined as needed. For example, when the monochrome image to be tested is a red image to be tested, the grayscale of the red image to be tested can be predetermined as 48, 128, or 255. Then, the display of the red image to be tested at grayscale 48, grayscale 128, and grayscale 255 can be controlled.

[0030] In one embodiment, the grayscales of the different color types of the monochrome images to be tested can be the same. For example, in step S11, the display of a red image to be tested at a grayscale of 48, a red image to be tested at a grayscale of 128, and a red image to be tested at a grayscale of 255 can be controlled; in step S12, the display of a green image to be tested at a grayscale of 48, a green image to be tested at a grayscale of 128, and a green image to be tested at a grayscale of 255 can be controlled; and in step S13, the display of a blue image to be tested at a grayscale of 48, a blue image to be tested at a grayscale of 128, and a blue image to be tested at a grayscale of 255 can be controlled. In other words, the red group of images to be tested includes three red images to be tested at different grayscales, the green group of images to be tested includes three green images to be tested at different grayscales, and the blue group of images to be tested includes three blue images to be tested at different grayscales.

[0031] In one embodiment, when the red picture to be tested is displayed, the green sub-pixels and the blue sub-pixels of the display panel are both in an off state, and the red sub-pixels of the display panel are in a lit state; similarly, when the green picture to be tested is displayed, the red sub-pixels and the blue sub-pixels of the display panel are both in an off state, and the green sub-pixels of the display panel are in a lit state; when the blue picture to be tested is displayed, the red sub-pixels and the green sub-pixels of the display panel are both in an off state, and the blue sub-pixels of the display panel are in a lit state.

[0032] Furthermore, before controlling the display panel to display multiple sets of monochrome images to be tested, the charging rate improvement method further includes:

[0033] Step S101: controlling the display panel to display an initial green image;

[0034] The initial green screen may be the same as or different from the green screen to be tested. It is worth noting that in step S101, the initial green screen is selected for display rather than the red screen or the blue screen because the panel is most likely to have a split screen phenomenon under a green grayscale screen. Therefore, the present application first controls the display panel to display the initial green screen, and adjusts the phase between the data signals of the panel based on the displayed initial green screen, so as to continue to find a suitable charging time when there is no split screen.

[0035] Step S102: measuring a plurality of initial charging times of sub-pixels in each row of the initial green image;

[0036] In one embodiment, an initial charging time for each sub-pixel in the horizontal direction of the display panel can be measured. This initial charging time can be an optimal charging time for the sub-pixel at that time. During the measurement of the initial charging time, the brightness of each row of sub-pixels in the initial green image can be adjusted to maximum brightness, and the charging time corresponding to the maximum brightness is used as the initial charging time.

[0037] Step S103: adjusting the phases between different data signals based on the multiple initial charging times so that the display panel has no split screen.

[0038] In one embodiment, the data signal may be a signal on a data line electrically connected to the sub-pixel. There is a phase difference between the data signals on different data lines. When adjusting the phase between different data signals, the data signals on the corresponding data lines may be shifted left or right. In some embodiments, the delay of the data signal may also be adjusted based on the multiple initial charging times. Once the phase between the different data signals is adjusted, it is no longer changed in subsequent steps. It is understood that there are multiple ways to adjust the phase between different data signals based on the multiple initial charging times, and this application does not limit this.

[0039] Step S2: obtaining a plurality of test charging times and a plurality of test position information of a plurality of sub-pixels to be tested in the monochrome image to be tested;

[0040] The multiple sub-pixels to be tested may be all sub-pixels of the monochrome image to be tested, or may be part of the sub-pixels of the monochrome image to be tested. The test points of the monochrome image to be tested may be selected as needed. Taking the case where the multiple sub-pixels to be tested are all sub-pixels of the monochrome image to be tested as an example, each sub-pixel of the monochrome image to be tested may be a sub-pixel to be tested. In step S2, the test charging time of each sub-pixel to be tested in the monochrome image to be tested and the test position information of the sub-pixel to be tested may be obtained.

[0041] Furthermore, the obtaining of multiple test charging times and multiple test position information of multiple sub-pixels to be tested in the monochrome image to be tested includes:

[0042] Step S21: adjusting the current charging time of the sub-pixel to be tested so that the brightness of the sub-pixel to be tested reaches the maximum brightness;

[0043] The step of adjusting the current charging time of the sub-pixel to be tested so that the brightness of the sub-pixel to be tested reaches the maximum brightness includes:

[0044] Step S211: adjusting the phase of the scanning signal of the sub-pixel to be tested;

[0045] In one embodiment, the maximum brightness of the sub-pixel under test can be tested by continuously adjusting the phase of the scan signal on the scan line corresponding to the sub-pixel under test. Since the phases between the different data signals are fixed in step S103, the phases of the corresponding scan signals can be adjusted based on the data signals, thereby adjusting the phase difference between the scan signals and the corresponding data signals to achieve the desired charging time.

[0046] Step S212: obtaining a plurality of brightness values ​​corresponding to the adjusted scanning signals of the sub-pixels to be tested;

[0047] In one embodiment, the scanning signal of the sub-pixel to be tested may be adjusted for multiple rounds to obtain multiple brightness levels corresponding to the adjusted scanning signal of the sub-pixel to be tested.

[0048] Step S213: Determine the maximum value among the multiple brightnesses to obtain the maximum brightness.

[0049] In one embodiment, the charging time corresponding to the maximum brightness is the optimal charging time at this time. In other words, the test charging time may be the optimal charging time corresponding to the sub-pixel to be tested.

[0050] Step S22: obtaining the test charging time corresponding to the maximum brightness, and recording the test position information of the sub-pixel to be tested.

[0051] In one embodiment, each of the sub-pixels to be tested corresponds to a test charging time, and each of the sub-pixels to be tested has test position information. The test position information can be two-dimensional, for example, it can be represented by (x, y), where x represents the row number of the sub-pixel to be tested, and y represents the column number of the sub-pixel to be tested, and both x and y are positive integers.

[0052] Step S3: generating a multidimensional lookup table according to the current grayscales of the plurality of sub-pixels to be tested, the plurality of test charging times, and the plurality of test position information;

[0053] In one embodiment, the lookup table may be four-dimensional. The lookup table may include current grayscales of multiple sub-pixels to be tested, multiple test charging times of the multiple sub-pixels to be tested, and multiple test position information of the multiple sub-pixels to be tested. The current grayscales of the sub-pixels to be tested, the test charging times, and the test position information may be in a one-to-one mapping relationship.

[0054] Exemplarily, the multidimensional lookup tables can include three: a red lookup table corresponding to the red group of images to be tested; a green lookup table corresponding to the green group of images to be tested; and a blue lookup table corresponding to the blue group of images to be tested. The red lookup table can be expressed as Rt = f(x, y, G), where Rt is the test charging time of the sub-pixel to be tested, x and y are the position information of the sub-pixel to be tested, and G is the current grayscale of the sub-pixel to be tested.

[0055] Step S4: searching the lookup table for multiple candidate charging times of target sub-pixels in each row of the multiple target monochrome images after the target image is decomposed;

[0056] The target image may be a color image (or RGB image) that needs to be displayed.

[0057] Furthermore, the querying of the multiple candidate charging times of target sub-pixels in each row of the multiple target monochrome images after decomposition of the target image based on the lookup table includes:

[0058] Step S41: decomposing the target image into multiple target monochrome images;

[0059] In one embodiment, the target picture can be decomposed into three target monochrome pictures, namely a target red picture, a target green picture and a target blue picture.

[0060] Step S42: obtaining position information of a plurality of target sub-pixels of the target monochrome image;

[0061] In one embodiment, the target monochrome image may include multiple target sub-pixels. In practical applications, the position information of all target sub-pixels in the target monochrome image may be obtained, or the position information of some target sub-pixels in the target monochrome image may be obtained.

[0062] Step S43: searching the lookup table for a plurality of test charging times corresponding to the position information of a plurality of target sub-pixels, and using the plurality of test charging times as a plurality of candidate charging times.

[0063] In one embodiment, the position information of the sub-pixel to be tested that is the same as the position information of the target sub-pixel can be traversed in the lookup table, and then the test charging time corresponding to the position information of the sub-pixel to be tested is obtained, and the test charging time is used as the candidate charging time.

[0064] Step S5: determining a target charging time for the sub-pixels in the corresponding row according to the plurality of candidate charging times.

[0065] The target charging time may be an optimal charging time corresponding to the target monochrome image.

[0066] Furthermore, determining the target charging time of the sub-pixels in the corresponding row according to the plurality of candidate charging times includes:

[0067] Step S51: obtaining a plurality of candidate charging times corresponding to target sub-pixels in each row of the target monochrome image;

[0068] In one embodiment, multiple candidate charging times corresponding to target sub-pixels in each row of the target monochrome image can be obtained on a row-by-row basis. Because the display panel employs a three-gate pixel architecture, the sub-pixels in each row have the same color type. Therefore, obtaining multiple candidate charging times corresponding to target sub-pixels in each row of the target monochrome image on a row-by-row basis does not involve sub-pixels of different color types, thereby better improving the charging rate of the sub-pixels in the corresponding row.

[0069] Step S52: selecting the minimum value among the multiple candidate charging times corresponding to the target sub-pixels in each row as the target charging time of the target sub-pixels in that row.

[0070] In one embodiment, the minimum value can be selected from multiple candidate charging times as the target charging time for all target sub-pixels in the entire row. Since the grayscale factor is considered in advance, the target charging time does not need to be changed even if the grayscale of the target monochrome image changes.

[0071] Furthermore, the charging rate improvement method further includes:

[0072] Step S6: driving the target sub-pixels of the corresponding row based on the target charging time to adjust the charging rate of the target sub-pixels of the row.

[0073] The phase of the scanning signal corresponding to the target charging time can be configured based on the target charging time. Since the phase of the data signal is fixed, only the phase of the scanning signal corresponding to the target charging time needs to be configured to ensure that the charging time of each point on the panel reaches the set optimal charging time, thereby improving the charging rate of the panel sub-pixels.

[0074] Figure 3 shows a schematic diagram of the test points of the display panel according to an embodiment of the present application. As shown in Figure 3, there are 9 test points in total, and these 9 test points can be arranged in an array.

[0075] Figure 4 shows a schematic diagram of target charging time for each test point of a display panel under different grayscales of a green screen. As shown in Figure 4, the target charging time for each point of the display panel can be different when the green screen has grayscales of 48, 128, and 255.

[0076] The present application also provides a device for improving charging rates. The device includes a processor and a storage device storing one or more programs. When executed by the processor, the processor implements the method for improving charging rates. The device can be a computer and can be electrically connected to a display panel.

[0077] In addition, the present application also provides a computer-readable medium having a computer program stored thereon, and when the computer program is executed by a processor, the charging rate improvement method is implemented.

[0078] In summary, the present application can adjust the target charging time in real time according to the target picture, so that the pixels in the vertical direction of the panel can reach the optimal charging state without mischarging, and improve the charging rate of high-resolution and large-size three-grid display panels under different grayscale pictures, thereby laying the foundation for panel charging for running the viewing angle improvement algorithm.

[0079] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0080] The above is a detailed introduction to the charging rate improvement method, charging rate improvement device and computer-readable medium provided in the embodiments of the present application. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the technical solutions and core ideas of the present application. Ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A method for improving charging rate, wherein: The charging rate improvement method is applied to a display panel of a three-gate pixel architecture, wherein the display panel includes a plurality of pixels arranged in an array, each of the pixels includes a plurality of sub-pixels of different color types, the sub-pixels in each row have the same color type, and different sub-pixels in each column of the pixels have different color types, and the charging rate improvement method includes: Controlling the display panel to display multiple groups of monochrome images to be tested, each group of monochrome images to be tested has the same color type, and the multiple monochrome images to be tested in the same group have different grayscales; Acquire multiple test charging times and multiple test position information of multiple sub-pixels to be tested in the monochrome picture to be tested; Generate a multidimensional lookup table according to the current grayscales of the plurality of sub-pixels to be tested, the plurality of test charging times and the plurality of test position information; Based on the lookup table, multiple candidate charging times for target sub-pixels in each row of multiple target monochrome images after the target image is decomposed are searched; The target charging time of the sub-pixels in the corresponding row is determined according to the plurality of the candidate charging times.

2. The method for improving the charging rate according to claim 1, wherein: Each of the pixels includes a red sub-pixel, a green sub-pixel and a blue sub-pixel, the monochrome picture to be tested is a red picture to be tested, a green picture to be tested or a blue picture to be tested, and controlling the display panel to display multiple groups of monochrome pictures to be tested includes: Controlling the display panel to display a red group of images to be tested, wherein the red group of images to be tested includes a plurality of red images to be tested at different grayscales; Controlling the display panel to display a green group of images to be tested, wherein the green group of images to be tested includes a plurality of green images to be tested at different grayscales; The display panel is controlled to display a blue group of images to be tested, wherein the blue group of images to be tested includes a plurality of blue images to be tested at different grayscales.

3. The method for improving the charging rate according to claim 1, wherein: Before controlling the display panel to display a plurality of sets of monochrome images to be tested, the charging rate improvement method further includes: Controlling the display panel to display an initial green picture; measuring a plurality of initial charging times of sub-pixels in each row of the initial green picture; The phases between different data signals are adjusted based on the multiple initial charging times so that the display panel has no split screen.

4. The method for improving the charging rate according to claim 1, wherein: The obtaining of multiple test charging times and multiple test position information of multiple sub-pixels to be tested in the to-be-tested monochrome picture includes: Adjusting the current charging time of the sub-pixel to be tested so that the brightness of the sub-pixel to be tested reaches the maximum brightness; The test charging time corresponding to the maximum brightness is obtained, and the test position information of the sub-pixel to be tested is recorded.

5. The charging rate improvement method according to claim 4, wherein: The step of adjusting the current charging time of the sub-pixel to be tested so that the brightness of the sub-pixel to be tested reaches the maximum brightness includes: Adjusting the phase of the scanning signal of the sub-pixel to be tested; Acquire a plurality of brightnesses corresponding to the adjusted scanning signals of the sub-pixels to be tested; The maximum value among the multiple brightnesses is determined to obtain the maximum brightness.

6. The method for improving the charging rate according to claim 1, wherein: The method of querying the multiple candidate charging times of target sub-pixels in each row of the multiple target monochrome pictures after the target picture is decomposed based on the lookup table includes: Decomposing the target image into a plurality of target monochrome images; Acquire position information of a plurality of target sub-pixels of the target monochrome picture; A plurality of test charging times corresponding to the position information of a plurality of target sub-pixels are queried based on the lookup table, and the plurality of test charging times are used as a plurality of candidate charging times.

7. The charging rate improvement method according to claim 1, wherein: The step of determining a target charging time for sub-pixels in a corresponding row according to the plurality of selected charging times comprises: Acquire a plurality of to-be-selected charging times corresponding to target sub-pixels in each row in the target monochrome picture; The minimum value among a plurality of candidate charging times corresponding to the target sub-pixels in each row is selected as the target charging time of the target sub-pixels in that row.

8. The method for improving the charging rate according to claim 1, wherein: The charging rate improvement method further includes: The target sub-pixels of the corresponding row are driven based on the target charging time to adjust the charging rate of the target sub-pixels of the row.

9. A charging rate improvement device, wherein: The charging rate improvement device includes: a processor; and a storage device for storing one or more programs, when the one or more programs are executed by the processor, the processor implements the charging rate improvement method as claimed in claim 1.

10. The charging rate improvement device according to claim 9, wherein: The processor comprises: A control display module, used for controlling the display panel to display multiple groups of monochrome pictures to be tested, each group of monochrome pictures to be tested has the same color type, and the grayscales of the monochrome pictures to be tested in the same group are different; An acquisition module, electrically connected to the control and display module, for acquiring a plurality of test charging times and a plurality of test position information of a plurality of sub-pixels to be tested in the monochrome picture to be tested; A lookup table generating module, electrically connected to the acquisition module, for generating a multidimensional lookup table according to current grayscales of a plurality of sub-pixels to be tested, a plurality of the test charging times and a plurality of the test position information; A query module, electrically connected to the lookup table generation module, for querying, based on the lookup table, a plurality of candidate charging times of target sub-pixels in each row in a plurality of target monochrome images decomposed from the target image; The target charging time determination module is electrically connected to the query module and is used to determine the target charging time of the sub-pixels in the corresponding row according to the multiple candidate charging times.

11. The charging rate improvement device according to claim 10, wherein: The control display module comprises: A red control module, used to control the display panel to display a red group of images to be tested, wherein the red group of images to be tested includes a plurality of red images to be tested at different grayscales; A green control module, used for controlling the display panel to display a green group of images to be tested, wherein the green group of images to be tested includes a plurality of green images to be tested at different grayscales; The blue control module is used to control the display panel to display a blue group of images to be tested, wherein the blue group of images to be tested includes a plurality of blue images to be tested in different grayscales.

12. The charging rate improving device according to claim 10, wherein: The processor further comprises: A green display module, used to control the display panel to display an initial green picture; A time measurement module, electrically connected to the green display module, for measuring a plurality of initial charging times of sub-pixels in each row of the initial green picture; The first phase adjustment module is electrically connected to the time measurement module and is used to adjust the phases between different data signals based on a plurality of the initial charging times so that the display panel has no split screen.

13. The charging rate improving device according to claim 10, wherein: The acquisition module comprises: A time adjustment module, used for adjusting the current charging time of the sub-pixel to be tested so that the brightness of the sub-pixel to be tested reaches the maximum brightness; The recording module is electrically connected to the time adjustment module, and is used to obtain the test charging time corresponding to the maximum brightness and record the test position information of the sub-pixel to be tested.

14. The charging rate improving device according to claim 13, wherein: The time adjustment module comprises: A second phase adjustment module, used for adjusting the phase of the scanning signal of the sub-pixel to be tested; A brightness acquisition module, electrically connected to the second phase adjustment module, for acquiring a plurality of brightnesses corresponding to the adjusted scanning signals of the sub-pixels to be tested; The judgment module is electrically connected to the brightness acquisition module and is used to judge the maximum value among the multiple brightnesses to obtain the maximum brightness.

15. The charging rate improving device according to claim 10, wherein: The query module includes: A decomposition module, used for decomposing the target image into multiple target monochrome images; A position acquisition module, electrically connected to the decomposition module, for acquiring position information of a plurality of target sub-pixels of the target monochrome picture; The query submodule is electrically connected to the position acquisition module, and is used to query a plurality of test charging times corresponding to the position information of a plurality of target sub-pixels based on the lookup table, and use the plurality of test charging times as a plurality of candidate charging times.

16. The charging rate improving device according to claim 10, wherein: The target charging time determination module includes: A waiting time acquisition module, used for acquiring a plurality of waiting charging times corresponding to target sub-pixels in each row in the target monochrome picture; The selection module is electrically connected to the candidate time acquisition module and is used to select the minimum value of multiple candidate charging times corresponding to the target sub-pixels in each row as the target charging time of the target sub-pixels in this row.

17. The charging rate improving device according to claim 10, wherein: The processor further comprises: The driving module is electrically connected to the target charging time determination module and is used to drive the target sub-pixels of the corresponding row based on the target charging time to adjust the charging rate of the target sub-pixels of the row.

18. The charging rate improving device according to claim 10, wherein: The charging rate improving device is electrically connected to the display panel of the three-gate pixel architecture.

19. The charging rate improving device according to claim 18, wherein: The display panel is a flip structure.

20. A computer readable medium, wherein: A computer program is stored thereon, and when the computer program is executed by a processor, the charging rate improvement method as claimed in claim 1 is implemented.

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