A display adjusting method based on an asymmetric gamma display module

Abstract

This invention discloses an asymmetric display adjustment method, comprising: initializing the display screen of the display module to be adjusted to obtain an original adjustment screen; performing image retention preprocessing on the original adjustment screen to obtain a corresponding target adjustment screen; comparing the target adjustment screen with the original adjustment screen to determine the image retention distribution in the target adjustment screen; determining the offset voltage corresponding to the target adjustment screen based on the image retention distribution; and adjusting the gamma voltage, L0, and L255 voltage of the display module to be adjusted based on the offset voltage or the image retention distribution. Based on asymmetric gamma adjustment, this invention adjusts the gamma voltage and grayscale voltages of pure black and pure white based on the image retention distribution of the display module after image retention processing, avoiding the limitation of only adjusting the overall gamma voltage in related technologies, thus optimizing and improving the asymmetric gamma adjustment method.

Description

Technical Field

[0001] This invention relates to the field of display technology, and in particular to a display adjustment based on an asymmetric gamma display module. Background Technology

[0002] Liquid crystal displays (LCDs) are a common flat-panel display technology that uses the twisting of liquid crystal molecules under the influence of an electric field to control the amount of light transmitted, thereby forming an image. LCDs face some common problems, such as response time, viewing angle, and contrast ratio. One of these problems is image retention, which means that after switching to a new image, the previously displayed image still leaves an outline or trace on the screen.

[0003] Asymmetric Gamma adjustment is one solution to the image retention problem in liquid crystal displays (LCDs). It involves asymmetrically adjusting the gamma curve to improve the LCD's response speed during image switching, thereby reducing image retention.

[0004] In related technologies, asymmetric gamma regulation of display modules usually only adjusts the gamma voltage as a whole, resulting in low adjustment accuracy and poor adjustment effect. Summary of the Invention

[0005] The purpose of this invention is to provide a display panel adjustment method that improves adjustment accuracy by adjusting the gamma voltage, L0 and L255 voltage of the display module.

[0006] To achieve the above objectives, the present invention provides the following solution:

[0007] This invention provides a display adjustment method based on an asymmetric gamma display module, the display adjustment method comprising:

[0008] The display module to be adjusted displays a black and white checkerboard pattern;

[0009] The black and white checkerboard image is processed to obtain the original adjusted image;

[0010] The black and white checkerboard image is subjected to image retention preprocessing to obtain the corresponding target adjustment image, which is the grayscale image corresponding to the black and white checkerboard image after image retention preprocessing.

[0011] Compare the target adjusted image with the original adjusted image to determine the image residue distribution in the target adjusted image;

[0012] Based on the image residue distribution, determine the offset voltage corresponding to the target adjustment image;

[0013] Adjust the gamma voltage of the display module to be adjusted according to the offset voltage amount;

[0014] Adjust the L0 and / or L255 voltages of the display module to be adjusted according to the image residual distribution.

[0015] Optionally, the display adjustment method based on an asymmetric gamma display module provided by the present invention includes black checkerboard image residue and white checkerboard image residue in the target adjustment screen.

[0016] Optionally, the display adjustment method based on an asymmetric gamma display module provided by the present invention, wherein adjusting the L0 and / or L255 voltages of the display module to be adjusted according to the image persistence distribution includes:

[0017] Adjust the voltages of L0 and / or L255 according to the proportions of the black checkerboard image residue and the white checkerboard image residue.

[0018] Optionally, the display adjustment method based on an asymmetric gamma display module provided by the present invention includes adjusting the gamma voltage of the display module to be adjusted according to the offset voltage amount, which includes:

[0019] If the offset voltage shifts downward, decrease the negative gamma voltage and increase the positive gamma voltage;

[0020] Otherwise, increase the negative gamma voltage and decrease the positive gamma voltage.

[0021] Optionally, the display adjustment method based on an asymmetric gamma display module provided by the present invention, wherein determining the offset voltage corresponding to the target adjustment screen based on the screen residue distribution includes:

[0022] The common voltage of the display module to be adjusted is adjusted according to the preset program until the image residue disappears, and the common voltage offset corresponding to the target adjusted image is determined at this time.

[0023] Based on the common voltage offset and the image residual distribution, the offset voltage corresponding to the target adjustment image is determined.

[0024] Optionally, the display adjustment method based on an asymmetric gamma display module provided by the present invention further includes the following steps before the display module to be adjusted displays a black and white checkerboard pattern:

[0025] Switch the initial screen of the display module to be adjusted to the blinking mode;

[0026] The common voltage of the display module to be adjusted is adjusted using the set program and optical lens;

[0027] After the common voltage is adjusted, the display module to be adjusted displays the black and white checkerboard pattern.

[0028] Optionally, the display adjustment method based on an asymmetric gamma display module provided by the present invention displays a 5*5 checkerboard or an 8*6 black and white checkerboard.

[0029] Optionally, the display adjustment method based on an asymmetric gamma display module provided by the present invention includes performing image retention preprocessing on the original adjustment screen to obtain the corresponding target adjustment screen, which includes:

[0030] The display module to be adjusted, which will display the original adjustment screen, will be left to stand still at a preset temperature for a preset time.

[0031] The original adjustment screen of the display module to be adjusted after static processing is subjected to grayscale adjustment to obtain the target adjustment screen.

[0032] Optionally, the display adjustment method based on an asymmetric gamma display module provided by the present invention includes, in which the display module to be adjusted, which will display the original adjustment screen, is left to stand at a preset temperature for a preset time, including:

[0033] The display module to be adjusted, which will display the original adjustment screen, will be left to stand at room temperature for a preset time.

[0034] Optionally, the display adjustment method based on an asymmetric gamma display module provided by the present invention, after determining the offset voltage corresponding to the target adjustment screen according to the image persistence distribution, further includes:

[0035] After turning off the display module to be adjusted, place it in a high-temperature furnace at a preset temperature for a preset time.

[0036] According to specific embodiments provided by the present invention, the present invention discloses the following technical effects:

[0037] This invention provides a display adjustment method based on an asymmetric gamma display module. First, the display screen of the display module to be adjusted is initialized to obtain an original adjustment screen with a black and white checkerboard pattern. Then, image retention preprocessing is performed on the original adjustment screen to obtain a corresponding target adjustment screen. Next, the grayscale images corresponding to the target adjustment screen and the original adjustment screen are compared to determine the image retention distribution in the target adjustment screen. Based on the determined image retention distribution, the offset voltage corresponding to the target adjustment screen is determined. Finally, the gamma voltage, L0, and L255 voltage of the display module to be adjusted are adjusted according to the offset voltage or the image retention distribution to achieve fine-tuning of the display parameters of the display module. This invention, based on asymmetric gamma adjustment, adjusts the gamma voltage and grayscale voltage of pure black and pure white based on the image retention distribution of the display module after image retention processing. This avoids the limitation of gamma voltage adjustment only for the whole in related technologies, thus optimizing and improving the asymmetric gamma value adjustment method. This enhances its effectiveness and performance in reducing image retention, achieving faster liquid crystal molecule response speed and shorter switching time, thereby effectively reducing the occurrence of image retention problems, minimizing the visibility of image retention, and maintaining good display effect and user experience. Attached Figure Description

[0038] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the 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.

[0039] Figure 1 This is a schematic diagram illustrating a scenario of a display adjustment method based on an asymmetric gamma display module according to some embodiments of the present invention.

[0040] Figure 2 This is a flowchart illustrating a display adjustment method based on an asymmetric gamma display module according to some embodiments of the present invention.

[0041] Figure 3 This is a flowchart illustrating a display adjustment method based on an asymmetric gamma display module according to other embodiments of the present invention.

[0042] Figure 4 This is a schematic diagram of the structure of a processing device according to some embodiments of the present invention. Detailed Implementation

[0043] 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.

[0044] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0045] It's understandable that in liquid crystal displays (LCDs), this image retention occurs because liquid crystal molecules cannot immediately return to a completely opaque or completely transparent state when switching images. This may be due to factors such as the inertia of liquid crystal molecules or limitations in voltage modulation speed. Image retention affects the quality and sharpness of the displayed image, especially in scenarios requiring frequent image switching or high display quality.

[0046] The asymmetric gamma-ray method is one solution to the problem of image retention in liquid crystal displays.

[0047] As is understandable, gamma correction is a common display technology used to adjust the relationship between the input voltage and output brightness of a display in order to improve the brightness and contrast of the display.

[0048] Asymmetric gamma involves asymmetrically adjusting the gamma curve to improve the response speed of the LCD during image switching, thereby reducing image retention.

[0049] The basic principle of this method is to adjust the gamma curve so that the liquid crystal molecules can return to an opaque or transparent state more quickly when switching images, thereby reducing residual effects.

[0050] In the field of liquid crystal display technology, gamma correction can be achieved through asymmetrical adjustment in the display driver circuit. This method can effectively improve the image retention problem of liquid crystal displays, thereby enhancing display quality and user experience.

[0051] It can also be understood that, in order to improve the adjustment accuracy, the gray level voltages of the representative highest gray level (L255) and lowest gray level (L0) are adjusted to improve the adjustment accuracy and improve the display quality of the liquid crystal display module.

[0052] To better understand the display adjustment method of the display device provided by the present invention, it will be described in detail below with reference to the accompanying drawings.

[0053] Figure 1The diagram shown is a schematic representation of a display device adjustment scenario according to some embodiments of the present invention.

[0054] like Figure 1 As shown, the implementation scenarios of this method may include the display module to be adjusted, the host computer, and the optical lens (such as the CA310 / FS lens).

[0055] The display module to be adjusted can be a liquid crystal display module, which includes a display panel and a backlight module located behind the display panel. The display panel includes two substrates, a liquid crystal layer between the two substrates, and a polarizer disposed on the light-emitting side.

[0056] In the actual display process, the light emitted by the backlight module is used to display the image.

[0057] It is understandable that the display device designed based on the display module to be adjusted can also be configured with other functional structures, such as encapsulation structures, cover plates and color filter substrates, to achieve normal display of the display device, which will not be elaborated here.

[0058] The optical lens, such as the CA310 / FS lens, can identify and analyze the displayed image during the display adjustment process of the display module to be adjusted.

[0059] The host computer stores the display debugging software for the display module to be adjusted, so that the display module to be adjusted can be debugged when the debugging software is run.

[0060] Furthermore, this application scenario can also be equipped with a high-temperature furnace, which can be used to heat the display module to be debugged and adjusted, etc., to provide the debugging conditions required in each adjustment step.

[0061] like Figure 2 The diagram shown is a flowchart illustrating a display adjustment method for a display module to be adjusted, provided in some embodiments of the present invention. Figure 2 As shown, the display adjustment method specifically includes:

[0062] S1, the display module to be adjusted displays a black and white checkerboard pattern.

[0063] S2, perform grayscale processing on the black and white checkerboard pattern to obtain the original adjusted image.

[0064] S3, perform image retention preprocessing on the black and white checkerboard image to obtain the corresponding target adjustment image, which is the grayscale image corresponding to the black and white checkerboard image after image retention preprocessing.

[0065] S4. Compare the target adjustment image with the original adjustment image to determine the image residue distribution in the target adjustment image. The target adjustment image and the original adjustment image are their respective grayscale images.

[0066] S5. Based on the residual distribution of the image, determine the offset voltage corresponding to the target adjustment image.

[0067] S6, adjust the gamma voltage of the display module to be adjusted according to the offset voltage amount; adjust the L0 and / or L255 voltages of the display module to be adjusted according to the image residue distribution.

[0068] Specifically, in combination Figure 3 As shown, in some embodiments of the present invention, for the display module to be adjusted, the display screen can first be lit up at room temperature and the display screen can be switched to a black and white checkerboard screen. Then, the black and white checkerboard screen is processed into grayscale and used as the original adjustment screen of the display module to be adjusted.

[0069] Furthermore, the black and white checkerboard image is subjected to image retention preprocessing to obtain the corresponding target adjustment image.

[0070] The target adjustment image is the grayscale image corresponding to the black and white checkerboard pattern image after image residue preprocessing.

[0071] Furthermore, the target adjusted image is compared with the original adjusted image to determine the image residue distribution in the target adjusted image.

[0072] In S4, the display screen of the initialization process can be compared with the display screen of the image residue preprocessing to determine the image residue status in the display screen of the image residue preprocessing.

[0073] For example, you can adjust the display to 50% grayscale and observe the image retention at this time. Compare this with a 50% grayscale image without image retention testing. The human eye can then judge whether the black checkerboard image retention is heavier or the white checkerboard image retention is heavier.

[0074] Furthermore, based on the residual distribution of the image, the offset voltage corresponding to the target adjustment image is determined, and then the display parameters of the display module to be adjusted are adjusted according to the offset voltage or the residual distribution of the image.

[0075] The displayed parameters include gamma voltage, L0 and L255 voltage.

[0076] As can be understood, in this embodiment of the invention, the display screen of the display module to be adjusted is first initialized to obtain the original adjustment screen of the black and white checkerboard pattern. Then, the original adjustment screen is subjected to image retention preprocessing to obtain the corresponding target adjustment screen. Then, the grayscale images corresponding to the target adjustment screen and the original adjustment screen are compared to determine the image retention distribution in the target adjustment screen. Then, based on the determined image retention distribution, the offset voltage corresponding to the target adjustment screen is determined. Finally, the display parameters such as the gamma voltage, L0 and L255 voltage of the display module to be adjusted are adjusted according to the offset voltage or the image retention distribution to achieve fine adjustment of each display parameter of the display module to be adjusted. This invention, based on asymmetric gamma adjustment, adjusts the gamma voltage and grayscale voltage of pure black and pure white based on the image retention distribution of the display module after image retention processing. This avoids the limitations of related technologies that only adjust the overall gamma voltage, thus optimizing and improving the asymmetric gamma value adjustment method. This enhances its effectiveness and performance in reducing image retention, achieving faster liquid crystal molecule response speed and shorter switching time. Consequently, it effectively reduces the occurrence of image retention problems, minimizes the visibility of image retention, and maintains good display effects and user experience.

[0077] Optionally, in some embodiments of the present invention, the method may further include a startup step before the display module to be adjusted displays a black and white checkerboard pattern.

[0078] That is, the method may also include:

[0079] S01, switch the initial screen of the display module to be adjusted to the blinking mode.

[0080] S02, using the first program and optical lens, adjust the common voltage of the display module to be adjusted.

[0081] S03, switch the adjusted initial screen to a black and white checkerboard screen.

[0082] Specifically, at room temperature, the PG program can first be used to light up the display module to be tested and adjusted to present the initial image. Then, the initial image of the display module to be adjusted after being powered on is switched to the flicker pattern. Then, the program script on the host computer, i.e. the first setting program, and the optical lens, such as the CA310 / FS lens, are used to adjust the common voltage Vcom value of the module to the optimal value, that is, to adjust the jitter of the image of the flicker pattern of the display module to be adjusted to the preset value, such as adjusting it to the minimum value.

[0083] The program script used, namely the first configuration program, is shown below:

[0084] --[[function

[0085] @function: Enables the VCOM tuning thread. This interface is in a blocking state.

[0086] @param1(number): Device channel number 0-3

[0087] @param2(number): Optical equipment channel number 0~1

[0088] @Return(): N / A.

[0089] ]]--

[0090] IuaStartAutoAdjustVcom(param1, param2)

[0091] =Example=

[0092] --The screen of device channel 0 uses optical device 0 for Vcom adjustment.

[0093] local bSuccess=luaStartAutoAdjustVcom(0,0);

[0094] if not(bSuccess)then

[0095] luaPrintLog(true, "VCOM adjustment failed!", false, true);

[0096] IuaPowerOff();

[0097] end.

[0098] Furthermore, the display screen of the display module to be adjusted after adjusting the common voltage is adjusted to a black and white checkerboard pattern to obtain the display screen.

[0099] For example, the display screen of the module to be adjusted can be set to a 5x5 checkerboard or an 8x6 black and white checkerboard.

[0100] It is understood that the present invention does not limit the specific chessboard layout, and can be determined according to the actual size of the display module to be debugged or adjusted or the actual situation.

[0101] Optionally, in some embodiments of the present invention, in S1, the display screen, i.e. the black and white checkerboard screen, is initialized, and the black and white checkerboard screen can be adjusted to a preset grayscale screen to realize the preprocessing of the display screen.

[0102] For example, the display can be adjusted to 50% grayscale to obtain the original adjusted image.

[0103] Optionally, in some embodiments of the present invention, in S3, image retention preprocessing is performed on the original adjustment image to obtain the corresponding target adjustment image, which can be achieved through the following steps:

[0104] S31, the display module to be adjusted, which will display the original adjustment screen, will be left to stand still for a preset time at a preset temperature.

[0105] S32, perform grayscale adjustment on the original adjustment screen of the display module to be adjusted after static processing to obtain the target adjustment screen.

[0106] Specifically, in this embodiment of the invention, after obtaining the display screen of the display module to be adjusted, namely the black and white checkerboard screen of the display module to be adjusted, the black and white checkerboard screen can be placed at a preset temperature for static treatment, and then the grayscale of the static black and white checkerboard screen can be adjusted to obtain the corresponding target adjusted screen.

[0107] For example, under normal temperature conditions, the display screen will be switched to a checkerboard pattern and left on this screen for 1 hour, and then the display screen will be adjusted to 50% grayscale.

[0108] Optionally, in some embodiments of the present invention, when determining the offset voltage corresponding to the target adjustment image based on the image residue distribution in S5, it can be specifically achieved through the following steps:

[0109] S51, based on a preset program, adjust the common voltage of the display module to be adjusted, and determine the common voltage offset corresponding to the target adjustment screen.

[0110] S52, based on the common voltage offset and the residual distribution of the image, determine the offset voltage corresponding to the target adjustment image.

[0111] Specifically, based on the comparison results above, a preset program script can be used to adjust the common voltage Vcom and gamma voltage until the residual image on the display screen disappears. At this point, the current Vcom offset, i.e., the common voltage offset, and the gamma voltage can be recorded.

[0112] Finally, the offset voltage corresponding to the target adjustment screen can be obtained based on the recorded Vcom offset.

[0113] For example, using the test box (i.e., the second program set up), adjust Vcom on this screen until the image residue disappears, and record the Vcom offset and gamma voltage at this time. Each division of Vcom corresponds to 0.01V, and the offset voltage is calculated as 0.01 * Vcom offset.

[0114] The program script, i.e., the program set in the second configuration, can be represented as follows:

[0115] --[[

[0116] @Function: User-defined key function 3.

[0117] @Note: The corresponding "flip up" button on the control box is activated by pressing the "select" button during screen testing, and then the "flip up" button is pressed to take effect.

[0118] @Note: This must be used in the initialization script; it will not work in the execution script. This interface is automatically triggered in ARM programs and is only effective for ARM versions 20200523 and later.

[0119] ]]=

[0120] =function customerkey3Functon(

[0121] --body

[0122] local data = {}

[0123] typVcom = readVcom(devchan)

[0124] --typVcom=data[1]

[0125] typVcom = typvcom + 1

[0126] if typVcom >= 0xff then

[0127] typVcom = 0xff

[0128] return

[0129] end

[0130] writeVcom(devchan, typVcom)

[0131] local str=string.format("Vcom value 0x%2x,typVcom)

[0132] luaPrintLog(false,str,false,false)

[0133] end

[0134] --[[

[0135] @Function: User-defined button functions 4.

[0136] @Note: For the corresponding "Flip Down" button on the control panel, press the "Select" button to activate it while the screen is in operation, and then press the "Flip Down" button to activate it.

[0137] @Note: This must be used in the initialization script; it will not work in the execution script. This interface is automatically triggered in ARM programs and is only effective for ARM versions 20200523 and later.

[0138] ]]=

[0139] function customerkey4Function()

[0140] --body

[0141] local data = {}

[0142] typVcom = readVcom(devchan)

[0143] --typVcom=data[1]

[0144] typVcom = typVcom-1

[0145] if typVcom <= 0x00 then

[0146] typVcom = 0x00

[0147] --return

[0148] end

[0149] writeVcom(devchan,typVcom)

[0150] local str=string.format('Vcomi 0x%2x,typVcom)

[0151] luaPrintLog(false,str,false,false)

[0152] end.

[0153] Optionally, in some embodiments of the present invention, after determining the offset, in order to improve the adjustment accuracy, the display module to be adjusted can be powered off, and the unpowered module can be placed in a high-temperature furnace at 90°C for 2 to 8 hours, so that the display screen of the display module to be adjusted can be stably maintained in the current display state.

[0154] Optionally, in some embodiments of the present invention, when adjusting the display parameters of the display module to be adjusted according to the offset voltage or the image residue distribution in the specific adjustment step, it may specifically be adjusting the voltages of VOP, L0, and L255.

[0155] This can include the following steps:

[0156] S05, determine the voltage adjustment direction of L0 and L255 based on the proportion of black checkerboard image residue and white checkerboard image residue;

[0157] S06, based on a determined adjustment trend, adjust the voltage of L0 and L255 upwards or downwards.

[0158] Specifically, by determining whether the black checkerboard image residue is heavier or the white checkerboard image residue is heavier, the voltages of L0 and L255 are adjusted up or down accordingly.

[0159] Optionally, in some embodiments of the present invention, in S130, the display parameter may further include the VOP voltage, then the display parameter adjustment step may further include the following steps:

[0160] S07, Determine the offset direction of the common voltage offset.

[0161] S08, adjust the VOP voltage according to the offset direction.

[0162] Specifically, if the offset voltage shifts downward, the negative gamma voltage is decreased and the positive gamma voltage is increased. Otherwise, the negative gamma voltage is increased and the positive gamma voltage is decreased.

[0163] For example, based on experience, the increments can be decreased and increased in certain steps.

[0164] For example, it can be 0.01V. The specific value can be flexibly adjusted according to the actual display module.

[0165] Optionally, in some embodiments of the present invention, in order to achieve high-quality adjustment of the display module to be adjusted, after the above adjustment is performed, the adjustment result can be verified, and the above adjustment steps can be repeated according to the verification result.

[0166] In some embodiments, after completing the above adjustment steps, the module that has been oven-baked at 90°C can be taken out and allowed to cool to room temperature. The module can then be relit with the adjusted voltage for image retention observation, thereby improving the verification. In other words, the steps of the above embodiments are repeated to adjust the display parameters multiple times.

[0167] It is understood that in this embodiment of the invention, the display parameters of the display module to be adjusted, namely the gamma voltage, L0 grayscale voltage, and L255 grayscale voltage, are finely adjusted through a set script program. Regarding the aforementioned technical solution, the key technical innovations that may be emphasized include:

[0168] Optimization of asymmetric gamma value adjustment methods: This section focuses on optimizing and improving asymmetric gamma value adjustment methods to enhance their effectiveness and performance in reducing image artifacts. This may include innovations in areas such as the selection of asymmetric gamma values, optimization of the adjustment algorithm, and integration with other technical solutions.

[0169] Development of intelligent adaptive adjustment algorithm: Develop an intelligent adaptive adjustment algorithm that can dynamically adjust the driving parameters of liquid crystal molecules according to the characteristics of the displayed content and the user's operating habits, so as to achieve a more accurate and efficient image retention suppression effect.

[0170] Improvements to global dimming technology: Improvements to global dimming technology enhance the precision and response speed of contrast adjustment, thereby more effectively reducing image artifacts while minimizing the impact on the overall brightness of the display.

[0171] Research and development of new driving technologies: Research and development of new driving technologies, such as reverse driving technology or other high-speed liquid crystal technologies, to achieve faster liquid crystal molecule response speed and shorter switching time, thereby effectively reducing the occurrence of image retention problems.

[0172] Design of intelligent refresh rate adjustment mechanism: Design an intelligent refresh rate adjustment mechanism that can dynamically adjust the monitor's refresh rate according to the needs of the displayed content, so as to minimize the visibility of image ghosting, while maintaining good display effect and user experience.

[0173] These technological innovations focus on improving the effectiveness of LCD screens in addressing image retention issues, optimizing user experience, and enhancing display performance, aiming to achieve significant breakthroughs and competitive advantages in the field of LCD technology.

[0174] In one exemplary embodiment, a processing device is provided, which may be the host computer in the above scenario diagram, and its internal structure diagram may be as follows. Figure 4As shown, the processing device includes a processor, memory, input / output (I / O) interfaces, and a communication interface. The processor, memory, and I / O interfaces are connected via a system bus, and the communication interface is also connected to the system bus via the I / O interfaces. The processor provides computational and control capabilities. The memory includes non-volatile storage media and internal memory. The non-volatile storage media stores the operating system, computer programs, and a database. The internal memory provides the environment for the operation of the operating system and computer programs stored in the non-volatile storage media. The database stores video tag processing data. The I / O interfaces are used for exchanging information between the processor and external devices. The communication interface is used for communicating with external terminals via a network connection. When the computer program is executed by the processor, it implements a meteorological data transmission method.

[0175] Those skilled in the art will understand that Figure 4 The structure shown is merely a block diagram of a portion of the structure related to the present invention and does not constitute a limitation on the processing device to which the present invention is applied. A specific processing device may include more or fewer components than those shown in the figure, or combine certain components, or have different component arrangements.

[0176] In one exemplary embodiment, a processing device is also provided, including a memory and a processor, wherein the memory stores a computer program, and the processor executes the computer program to implement the steps in the above-described method embodiments.

[0177] In one exemplary embodiment, a computer-readable storage medium is provided storing a computer program that, when executed by a processor, implements the steps in the above-described method embodiments.

[0178] In one exemplary embodiment, a computer program product is provided, including a computer program that, when executed by a processor, implements the steps in the above-described method embodiments.

[0179] It should be noted that the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data used for analysis, data stored, data displayed, etc.) involved in this invention are all information and data authorized by the user or fully authorized by all parties, and the collection, use and processing of related data must comply with relevant regulations.

[0180] Those skilled in the art will understand that all or part of the processes in the above embodiments can be implemented by a computer program instructing related hardware. The computer program can be stored in a non-volatile computer-readable storage medium. When executed, the computer program can include the processes of the embodiments described above. Any references to memory, databases, or other media used in the embodiments provided by this invention can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory, optical memory, high-density embedded non-volatile memory, resistive random access memory (ReRAM), magnetic random access memory (MRAM), ferroelectric random access memory (FRAM), phase change memory (PCM), graphene memory, etc. Volatile memory can include random access memory (RAM) or external cache memory, etc. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM).

[0181] The databases involved in the various embodiments provided by this invention may include at least one type of relational database and non-relational database. Non-relational databases may include, but are not limited to, distributed databases based on blockchain. The processors involved in the various embodiments provided by this invention may be, but are not limited to, general-purpose processors, central processing units, graphics processing units, digital signal processors, programmable logic devices, quantum computing-based data processing logic devices, etc.

[0182] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0183] 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. Furthermore, those skilled in the art will recognize that, based on the ideas of the present invention, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A display adjustment method based on an asymmetric gamma display module, characterized in that, The display adjustment method includes: The display module to be adjusted displays a black and white checkerboard pattern; The black and white checkerboard image is processed to obtain the original adjusted image; The black and white checkerboard image is subjected to image retention preprocessing to obtain the corresponding target adjustment image, which is the grayscale image corresponding to the black and white checkerboard image after image retention preprocessing. Compare the target adjustment screen with the original adjustment screen to determine the image residue distribution in the target adjustment screen, the image residue distribution including black checkerboard image residue and white checkerboard image residue in the target adjustment screen; Based on the image persistence distribution, determine the offset voltage corresponding to the target adjustment image; adjust the gamma voltage of the display module to be adjusted based on the offset voltage. Adjust the L0 and / or L255 voltages of the display module to be adjusted according to the image persistence distribution; The step of determining the offset voltage corresponding to the target adjustment image based on the image residue distribution includes: Using the test box, adjust Vcom on the target adjustment screen until the image residue disappears, and record the common voltage offset at this time; Based on the common voltage offset and the residual image distribution, the offset voltage corresponding to the target adjustment image is determined. Each cell in the image corresponds to a common voltage of 0.01V, therefore the offset voltage is calculated as 0.01V. Vcom offset; Specifically, adjusting the L0 and / or L255 voltages of the display module to be adjusted according to the image persistence distribution: The adjustment direction of the voltages of L0 and L255 is determined based on the proportion of black checkerboard image residue and white checkerboard image residue. Based on the determined adjustment direction, adjust the voltage of L0 and L255 upwards or downwards; The step of adjusting the gamma voltage of the display module to be adjusted according to the offset voltage amount includes: If the offset voltage shifts downward, decrease the negative gamma voltage and increase the positive gamma voltage; Otherwise, increase the negative gamma voltage and decrease the positive gamma voltage; Also includes: Adjusting the VOP voltage of the display module to be adjusted according to the offset voltage amount specifically includes: Determine the offset direction of the common voltage offset; Adjust the VOP voltage according to the offset direction.

2. The display adjustment method based on an asymmetric gamma display module according to claim 1, characterized in that, Before the display module to be adjusted displays the black and white checkerboard pattern, the display adjustment method further includes: Switch the initial screen of the display module to be adjusted to the blinking mode; The common voltage of the display module to be adjusted is adjusted using the set program and optical lens; After the common voltage is adjusted, the display module to be adjusted displays the black and white checkerboard pattern.

3. The display adjustment method based on an asymmetric gamma display module according to claim 1 or 2, characterized in that, The black and white checkerboard pattern is 5. A black and white checkerboard pattern of 5 or 8 A black and white checkerboard pattern of 6.

4. The display adjustment method based on an asymmetric gamma display module according to claim 1 or 2, characterized in that, The step of performing image retention preprocessing on the original adjusted image to obtain the corresponding target adjusted image includes: The display module to be adjusted, which will display the original adjustment screen, will be left to stand still at a preset temperature for a preset time. The original adjustment screen of the display module to be adjusted after static processing is subjected to grayscale adjustment to obtain the target adjustment screen.

5. The display adjustment method based on an asymmetric gamma display module according to claim 4, characterized in that, The step of letting the display module to be adjusted, which will display the original adjustment screen, remain stationary at a preset temperature for a preset time includes: The display module to be adjusted, which will display the original adjustment screen, will be left to stand at room temperature for a preset time.

6. The display adjustment method based on an asymmetric gamma display module according to claim 1 or 2, characterized in that, After determining the offset voltage corresponding to the target adjustment screen based on the image persistence distribution, the display adjustment method further includes: After turning off the display module to be adjusted, place it in a high-temperature furnace at a preset temperature for a preset time.

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