Method and system for automatically adjusting brightness of folding display screen

Abstract

The invention provides an automatic brightness adjusting method and system for a folding display screen. The method comprises the following steps: calculating an OPR of a whole-screen display picture of the folding display screen; and sending the OPR of the whole-screen display picture to the DIC of each area in the folding display screen, so that the DIC of each area adjusts the brightness of each area based on an ACL method according to the OPR of the whole-screen display picture. On one hand, the current of the folding display screen is automatically limited and the brightness of different areas is uniformly and accurately adjusted through the cooperative control between the picture information counted by the application end and the display driving chip, so that the brightness'split screen 'phenomenon of different display areas can be avoided while the power consumption is effectively reduced, and the overall uniformity and visual comfort of the picture are ensured; on the other hand, parameters for automatically limiting the current are adaptively selected according to relevant parameters in different application scenes, and the requirements for power consumption reduction and use experience in multiple scenes are met.

Description

Technical Field

[0001] The present invention relates to the field of display screen control technology, and in particular to a method and system for automatically adjusting the brightness of a folding display screen. Background Art

[0002] Foldable displays, with their unique foldability, offer users larger screen real estate and enhanced portability. They are widely used not only in consumer electronics like smartphones and tablets, but also demonstrate enormous potential in emerging applications such as wearables, in-car displays, and medical devices. Innovative designs based on foldable displays not only meet diverse user needs for multitasking, entertainment, and mobile productivity, but also drive innovation in human-computer interaction, becoming a key direction for the future development of smart devices.

[0003] Foldable displays typically consist of multiple display areas and must support high resolution and high refresh rates, resulting in significantly higher power consumption than traditional screens. This is especially true when unfolded, as the increased screen area leads to a significant increase in power consumption. Furthermore, to achieve a lightweight and portable design, foldable display devices are typically thinner, limiting battery capacity and increasing pressure on battery life. The battery life of foldable display devices faces severe challenges, which not only reduces the user experience but also limits their further adoption.

[0004] Automatic Current Limit technology (ACL) automatically limits the current according to the on-pixel rate (OnPixel Ratio, OPR) of the display screen, and reduces the brightness when the display screen displays an unnecessary high-brightness screen, thereby reducing power consumption, while ensuring that the screen brightness is within a reasonable range, improving the overall uniformity and visual comfort of the screen. ACL technology provides an effective solution to the above-mentioned power consumption problem of folding screens. Compared with traditional displays, folding displays have higher resolutions and larger display areas. The driving capacity of a single driver chip is limited and cannot meet its driving requirements. Therefore, it is necessary to use a cascade of multiple driver chips for driving. Each driver chip is responsible for driving a specific area of ​​the folding display screen, and the automatic current limiting only calculates the OPR of the screen corresponding to the area it is responsible for. Since the OPR of the screens in each area is usually different, the degree of current limitation and brightness reduction in different areas are also different, resulting in a "split screen" phenomenon in the display brightness of the folding display screen, which seriously affects the visual experience. Summary of the Invention

[0005] The present invention provides a method and system for automatic brightness adjustment of a folding display screen, which is used to solve the defect in the prior art that the degree of current limitation and brightness reduction in different areas varies, resulting in a "split screen" phenomenon in the display brightness of the folding display screen. The method achieves unified and accurate adjustment of the brightness of different areas, effectively reducing power consumption while also avoiding the "split screen" phenomenon in the brightness of different display areas, ensuring the overall uniformity and visual comfort of the picture; and adaptively selects parameters for automatic current limitation according to relevant parameters in different application scenarios, meeting the power consumption reduction and user experience requirements in multiple scenarios.

[0006] The present invention provides a method for automatically adjusting the brightness of a foldable display screen, comprising:

[0007] Calculate the OPR of the full-screen display of the folding display;

[0008] The OPR of the entire display screen is sent to the DIC of each area in the folding display screen, so that the DIC of each area adjusts the brightness of each area based on the ACL method according to the OPR of the entire display screen.

[0009] According to a method for automatically adjusting the brightness of a foldable display screen provided by the present invention, the OPR of the entire display screen of the foldable display screen is calculated, including:

[0010] receiving an OPR of a display screen of each area calculated by DIC of each area;

[0011] The OPR of the entire display screen is determined according to the OPR of the display screen of each area.

[0012] A method for automatically adjusting brightness of a foldable display screen according to the present invention further includes:

[0013] Determining parameters of the ACL method based on the ambient light brightness, battery level, and display color mode of the foldable display screen;

[0014] The parameters of the ACL method are sent to the DIC of each area, so that the DIC of each area adjusts the brightness of each area based on the ACL method according to the OPR of the entire display image and the parameters of the ACL method.

[0015] According to a method for automatically adjusting the brightness of a foldable display screen provided by the present invention, parameters of the ACL method are determined according to the ambient light brightness, battery power, and display color mode of the foldable display screen, including:

[0016] Obtaining normalized values ​​of ambient light brightness, battery power, and display color mode of the foldable display screen;

[0017] The normalized values ​​of the ambient light brightness, battery power, and display color mode are weighted and added together;

[0018] The parameters of the ACL method are determined according to the addition result.

[0019] According to a method for automatic brightness adjustment of a foldable display screen provided by the present invention, determining parameters of the ACL method according to the addition result includes:

[0020] Selecting preset parameters of the ACL method corresponding to the preset range where the addition result is located as parameters of the ACL method;

[0021] Different preset ranges correspond to different preset parameters, and different preset parameters are used to adjust the brightness of the area differently.

[0022] According to a method for automatic brightness adjustment of a folding display screen provided by the present invention, the parameters of the ACL method include thresholds, and the preset parameters of the ACL method include a first preset threshold, a second preset threshold, and a third preset threshold, and the first preset threshold, the second preset threshold, and the third preset threshold decrease in sequence.

[0023] According to a method for automatically adjusting the brightness of a foldable display screen provided by the present invention, parameters of the ACL method are determined according to the ambient light brightness, battery power, and display color mode of the foldable display screen, including:

[0024] The ambient light brightness, battery power, and display color mode of the folding display screen are input into a pre-trained neural network algorithm to obtain parameters of the ACL method output by the neural network algorithm.

[0025] The present invention also provides a foldable display screen automatic brightness adjustment system, comprising:

[0026] A calculation module, used to calculate the OPR of the entire display screen of the folding display screen;

[0027] A sending module is used to send the OPR of the entire screen display image to the DIC of each area in the folding display screen, so that the DIC of each area adjusts the brightness of each area based on the ACL method according to the OPR of the entire screen display image.

[0028] The present invention also provides an electronic device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the method for automatically adjusting the brightness of a folding display screen as described above is implemented.

[0029] The present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon. When the computer program is executed by a processor, the method for automatically adjusting the brightness of a folding display screen as described above is implemented.

[0030] The present invention also provides a computer program product, including a computer program, which, when executed by a processor, implements any of the above-mentioned methods for automatically adjusting the brightness of a folding display screen.

[0031] The automatic brightness adjustment method and system for a folding display provided by the present invention, on the one hand, automatically limits the current of the folding display screen through the collaborative control between the application-side statistical screen information and the display driver chip, uniformly and accurately adjusts the brightness of different areas, and effectively reduces power consumption while avoiding the "split screen" phenomenon of brightness in different display areas, thereby ensuring the overall uniformity and visual comfort of the picture; on the other hand, it adaptively selects the parameters for automatic current limiting according to the relevant parameters in different application scenarios, meeting the power consumption reduction and usage experience requirements in multiple scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction is given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0033] Figure 1 This is one of the flow charts of the automatic brightness adjustment method for a foldable display screen provided by the present invention;

[0034] Figure 2 This is a schematic diagram of the principle of ACL in the automatic brightness adjustment method for a folding display screen provided by the present invention;

[0035] Figure 3 This is an example of the phenomenon of split-screen brightness display on a folding display screen and its principle analysis in the automatic brightness adjustment method for a folding display screen provided by the present invention;

[0036] Figure 4 This is the second flow chart of the automatic brightness adjustment method for a foldable display screen provided by the present invention;

[0037] Figure 5 yes Figure 4 Schematic diagram of the corresponding system and effect;

[0038] Figure 6 This is the third flow chart of the automatic brightness adjustment method for a foldable display screen provided by the present invention;

[0039] Figure 7 yes Figure 6Schematic diagram of the corresponding system and effect;

[0040] Figure 8 This is a schematic diagram of the system structure for selecting ACL parameters in the automatic brightness adjustment method for a folding display screen provided by the present invention;

[0041] Figure 9 This is a schematic diagram of setting ACL parameters in the automatic brightness adjustment method for a folding display screen provided by the present invention;

[0042] Figure 10 It is a structural schematic diagram of the automatic brightness adjustment system for a folding display screen provided by the present invention;

[0043] Figure 11 It is a structural schematic diagram of the electronic device provided by the present invention. DETAILED DESCRIPTION

[0044] To make the objectives, technical solutions, and advantages of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0045] The following combination Figure 1 The present invention describes a method for automatically adjusting brightness of a foldable display screen, comprising:

[0046] Step 101, calculating the OPR of the entire display screen of the foldable display screen;

[0047] In step 102, the OPR of the entire display screen is sent to the DIC of each area in the foldable display screen, so that the DIC (Display Driver IC) of each area adjusts the brightness of each area based on the ACL method according to the OPR of the entire display screen.

[0048] Display brightness is proportional to the drive current; higher currents produce higher brightness. However, excessive currents can increase power consumption and shorten device lifespans. Excessive brightness can also reduce viewing comfort. ACL technology provides an effective solution to the power consumption challenges of foldable displays by controlling current to balance brightness with other performance characteristics.

[0049] ACL technology calculates the display's opratio (OPR), the average RGB brightness, for each frame. When the OPR reaches or exceeds a threshold, ACL reduces the brightness to a level imperceptible to the human eye, thereby reducing unnecessary power consumption. This process is typically achieved by adjusting the drive current of the display's pixel driver circuits.

[0050] The principle of ACL is as follows Figure 2 As shown in the figure, when the OPR of the display screen is less than or equal to the threshold TH, the driving current is small, the screen brightness is low, and the power consumption is also low. At this time, the current and brightness gain Gain are 1, and the current and brightness are not adjusted; when the OPR of the display screen exceeds the threshold TH, the driving current is large, the screen brightness is high, and the power consumption is also high. At this time, the current and brightness gain is less than 1, and the driver chip system will limit the current to reduce the overall brightness to achieve the effect of reducing power consumption. The larger the OPR, the smaller the gain, and the greater the ratio of current limitation and brightness reduction.

[0051] Compared with traditional displays, foldable displays have higher resolution and larger display area. The driving capability of a single DIC is limited and cannot meet its driving requirements. Therefore, multiple DICs need to be cascaded for driving.

[0052] like Figure 3 As shown in (C) in the figure, the folding display screen is driven by two DICs in this example. The two DICs are responsible for driving the left and right half of the screen respectively. In the automatic current limiting, each DIC only calculates the OPR of the display screen corresponding to its responsible area and controls the brightness of the corresponding half of the screen accordingly. Assume that the display screen is as follows Figure 3 As shown in (b), the left half of the screen has more black blocks and its OPR is relatively small, while the right half of the screen is mainly white and its OPR is large. Therefore, the current limit and brightness reduction ratios g1 and g2 of the left and right half of the screen are inconsistent, as shown in Figure 2. Figure 3 As shown in (a) in the figure, the resulting brightness of the left and right halves of the foldable display is inconsistent, resulting in an obvious "split screen" phenomenon, which seriously affects the visual experience.

[0053] The execution subject of this embodiment may be a terminal application processor (AP), or a master DIC set in the DIC of the foldable display screen. The other DICs in the DIC of the foldable display screen are slave DICs.

[0054] For example, the AP calculates the OPR of the entire display screen, and then distributes the display screen image data to each DIC in different regions, and sends the OPR at the same time. The DIC no longer directly calculates the OPR of the display screen in the area it is responsible for, but uses the OPR sent uniformly by the AP to perform current limit and brightness adjustment. Therefore, the current limit and brightness adjustment ratio of each display area are consistent, which can avoid the "split screen phenomenon". The process is as follows Figure 4 As shown, the system and effect are as follows Figure 5 shown.

[0055] This embodiment automatically limits the current of the folding display screen through the collaborative control between the application-side statistical screen information and the display driver chip, uniformly and accurately adjusts the brightness of different areas, and effectively reduces power consumption while avoiding the "split screen" phenomenon of brightness in different display areas, thereby ensuring the overall uniformity and visual comfort of the picture.

[0056] Based on the above embodiment, in this embodiment, the OPR of the entire display screen of the foldable display screen is calculated, including:

[0057] receiving an OPR of a display screen of each area calculated by DIC of each area;

[0058] The OPR of the entire display screen is determined according to the OPR of the display screen of each area.

[0059] The AP directly sends the display image data to each DIC in different areas. After receiving the image data, the DIC calculates the OPR of the display screen in the area it is responsible for, and the slave DIC sends the calculated OPR to the master DIC. After collecting the OPRs of each slave DIC, the master DIC calculates the OPR of the entire screen.

[0060] For example, the average value of the OPR of all areas is calculated as the unified OPR of the entire screen, and the unified OPR is distributed to each slave DIC. The DIC of each area performs current limitation and brightness adjustment based on the unified OPR, which can avoid the "split screen" phenomenon. The process is as follows Figure 6 As shown, the system and effect are as follows Figure 7 shown.

[0061] Based on the above embodiment, this embodiment also includes:

[0062] Determining parameters of the ACL method based on the ambient light brightness, battery level, and display color mode of the foldable display screen;

[0063] The parameters of the ACL method are sent to the DIC of each area, so that the DIC of each area adjusts the brightness of each area based on the ACL method according to the OPR of the entire display image and the parameters of the ACL method.

[0064] The existing ACL solution only adjusts the brightness through the OPR of the display screen, which cannot adapt to the power consumption reduction requirements in multiple scenarios and is not conducive to improving the user experience of the display.

[0065] This embodiment proposes selecting ACL parameters according to different application scenario parameters. The system diagram is as follows: Figure 8The ACL parameter selection unit obtains application scenario parameters such as ambient light brightness, battery level, and display color mode from the application end and selects ACL parameters based on the corresponding model. The ACL parameter selection module can be located in the AP or the master DIC. The master DIC then distributes the selected ACL parameter information to each slave DIC.

[0066] The ACL control unit calculates the brightness reduction ratio of the current image based on the selected ACL parameter settings and the OPR of the entire screen display image calculated above, and outputs the ratio to the brightness control module. The ACL control unit can be in the AP or in the DIC.

[0067] The brightness control module acts on the input image data according to the brightness reduction ratio and transmits the adjusted image data to the display device. In each master and slave DIC, the module is responsible for brightness adjustment of the corresponding area.

[0068] This embodiment adaptively selects parameters for automatic current limiting according to relevant parameters in different application scenarios, meeting the power consumption reduction and user experience requirements in multiple scenarios.

[0069] Based on the above embodiment, in this embodiment, the parameters of the ACL method are determined according to the ambient light brightness, battery power, and display color mode of the foldable display screen, including:

[0070] Obtaining normalized values ​​of ambient light brightness, battery power, and display color mode of the foldable display screen;

[0071] The normalized values ​​of the ambient light brightness, battery power, and display color mode are weighted and added together;

[0072] The parameters of the ACL method are determined according to the addition result.

[0073] The ACL parameter selection model can be a function of the weighted sum of the parameters for each application scenario. For example, for a model with three application scenario parameters, the function can be set to f(x) = w1*x1+w2*x2+w3*x3, where w1, w2, and w3 are the weights of each application scenario parameter, all set to 1 / 3, and x1, x2, and x3 are the normalized values ​​of each application scenario parameter, ranging from [0 to 1]. A larger f value selects a parameter setting with a smaller brightness reduction; a smaller f value selects a parameter setting with a larger brightness reduction.

[0074] Based on the above embodiment, in this embodiment, the parameters of the ACL method are determined according to the addition result, including:

[0075] Selecting preset parameters of the ACL method corresponding to the preset range where the addition result is located as parameters of the ACL method;

[0076] Different preset ranges correspond to different preset parameters, and different preset parameters are used to adjust the brightness of the area differently.

[0077] Multiple preset ranges are set for the f-value in advance, each preset range corresponds to a set of ACL parameters, and different ACL parameter settings reduce the brightness by different degrees according to the OPR.

[0078] The preset range to which the current f value belongs is matched, thereby determining a set of ACL parameters corresponding to the current f value.

[0079] Based on the above embodiment, the parameters of the ACL method in this embodiment include thresholds, and the preset parameters of the ACL method include a first preset threshold, a second preset threshold, and a third preset threshold, and the first preset threshold, the second preset threshold, and the third preset threshold decrease in sequence.

[0080] like Figure 9 As shown in the figure, three groups of ACL parameter settings are given. The threshold of the first group setting, setting 1, is higher. Under the same OPR exceeding the threshold, the ratio of brightness reduction is smaller than that of the second group setting, setting 2, and the third group setting, setting 3. Setting 1 reduces brightness the smallest, and setting 3 reduces brightness the largest.

[0081] For example, when the ambient brightness is large (x1=0.9), the mobile phone has sufficient power (x2=0.9) and the display color mode is high dynamic range (x3=0.8), higher brightness support is required in this scenario, and the mobile phone battery power can support high-brightness display. The final calculated value is 0.87, so the ACL parameter selection unit selects setting1 as the ACL parameter to reduce the amplitude of brightness reduction; when the ambient light brightness of the mobile phone is small at night (x1=0.1), the battery power is low (x2=0.1) and the color mode is night dark mode (x3=0), low-brightness display in this scenario can meet the needs, and the final calculated value is 0.067, so the ACL parameter selection unit selects setting3 as the ACL parameter to increase the amplitude of brightness reduction.

[0082] Based on the above embodiment, in this embodiment, the parameters of the ACL method are determined according to the ambient light brightness, battery power, and display color mode of the foldable display screen, including:

[0083] The ambient light brightness, battery power, and display color mode of the folding display screen are input into a pre-trained neural network algorithm to obtain parameters of the ACL method output by the neural network algorithm.

[0084] The ACL parameter selection model can also be a pre-trained neural network algorithm. If the model is a neural network algorithm, it needs to be built in the AP.

[0085] The automatic brightness adjustment system for a folding display screen provided by the present invention is described below. The automatic brightness adjustment system for a folding display screen described below and the automatic brightness adjustment method for a folding display screen described above can be referred to in correspondence with each other.

[0086] like Figure 10 As shown, the system includes a calculation module 1001 and a sending module 1002, wherein:

[0087] The calculation module 1001 is used to calculate the OPR of the entire display screen of the foldable display screen;

[0088] The sending module 1002 is used to send the OPR of the entire screen display image to the DIC of each area in the folding display screen, so that the DIC of each area adjusts the brightness of each area based on the ACL method according to the OPR of the entire screen display image.

[0089] On the one hand, this embodiment automatically limits the current of the folding display screen through the collaborative control between the application-side statistical screen information and the display driver chip, uniformly and accurately adjusts the brightness of different areas, and effectively reduces power consumption while avoiding the "split screen" phenomenon of brightness in different display areas, ensuring the overall uniformity and visual comfort of the picture; on the other hand, it adaptively selects the parameters for automatic current limiting according to the relevant parameters in different application scenarios, meeting the power consumption reduction and user experience requirements in multiple scenarios.

[0090] Figure 11 An example of a physical structure diagram of an electronic device is shown below. Figure 11 As shown, the electronic device may include: a processor 1110, a communication interface 1120, a memory 1130, and a communication bus 1140, wherein the processor 1110, the communication interface 1120, and the memory 1130 communicate with each other via the communication bus 1140. The processor 1110 may call the logic instructions in the memory 1130 to execute a method for automatic brightness adjustment of a foldable display screen, the method comprising: calculating the OPR of the entire display screen of the foldable display screen; sending the OPR of the entire display screen to the DIC of each area of ​​the foldable display screen, so that the DIC of each area adjusts the brightness of the respective area based on the ACL method according to the OPR of the entire display screen.

[0091] In addition, the logic instructions in the above-mentioned memory 1130 can be implemented in the form of a software functional unit and can be stored in a computer-readable storage medium when sold or used as an independent product. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0092] On the other hand, the present invention also provides a computer program product, which includes a computer program. The computer program can be stored on a non-transitory computer-readable storage medium. When the computer program is executed by a processor, the computer can execute the automatic brightness adjustment method for a folding display provided by the above-mentioned methods. The method includes: calculating the OPR of the entire screen display image of the folding display screen; sending the OPR of the entire screen display image to the DIC of each area in the folding display screen, so that the DIC of each area adjusts the brightness of the each area based on the ACL method according to the OPR of the entire screen display image.

[0093] On the other hand, the present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon. When the computer program is executed by a processor, it is implemented to execute the automatic brightness adjustment method for a folding display provided by the above-mentioned methods. The method includes: calculating the OPR of the entire screen display image of the folding display screen; sending the OPR of the entire screen display image to the DIC of each area in the folding display screen, so that the DIC of each area adjusts the brightness of the each area based on the ACL method according to the OPR of the entire screen display image.

[0094] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, i.e., they may be located in one location or distributed across multiple network units. Some or all of the modules may be selected based on actual needs to achieve the objectives of the present embodiment. Persons of ordinary skill in the art will be able to understand and implement the present invention without inventive effort.

[0095] Through the description of the above embodiments, those skilled in the art can clearly understand that each embodiment can be implemented by means of software plus a necessary general hardware platform, or of course, by hardware. Based on this understanding, the essence of the above technical solution or the part that contributes to the existing technology can be embodied in the form of a software product. The computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a magnetic disk, an optical disk, etc., and includes a number of instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each embodiment or certain parts of the embodiments.

[0096] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A method for automatically adjusting brightness of a foldable display screen, characterized in that: include: Calculate the OPR of the full-screen display image of the folding display; The OPR of the entire screen display image is sent to the DIC of each area in the folding display screen, so that the DIC of each area adjusts the brightness of each area based on the ACL method according to the OPR of the entire screen display image.

2. The method for automatically adjusting the brightness of a foldable display screen according to claim 1, characterized in that: Calculate the OPR of the full-screen display of the folding display, including: Receiving the OPR of the display screen of each area calculated by DIC of each area; The OPR of the entire display screen is determined according to the OPR of the display screens of the respective regions.

3. The method for automatically adjusting brightness of a foldable display screen according to claim 1, characterized in that: Also includes: Determining parameters of the ACL method according to the ambient light brightness, battery power, and display color mode of the foldable display screen; The parameters of the ACL method are sent to the DIC of each area, so that the DIC of each area adjusts the brightness of each area based on the ACL method according to the OPR of the entire screen display image and the parameters of the ACL method.

4. The method for automatically adjusting brightness of a foldable display screen according to claim 3, characterized in that: Determining parameters of the ACL method according to the ambient light brightness, battery power, and display color mode of the folding display screen includes: Obtaining normalized values ​​of ambient light brightness, battery power, and display color mode of the foldable display screen; The normalized values ​​of the ambient light brightness, battery power and display color mode are weighted and added together; According to the addition result, the parameters of the ACL method are determined.

5. The method for automatically adjusting brightness of a foldable display screen according to claim 4, characterized in that: Determine the parameters of the ACL method according to the addition result, including: Selecting the preset parameters of the ACL method corresponding to the preset range where the addition result is located as the parameters of the ACL method; Different preset ranges correspond to different preset parameters, and different preset parameters are used to adjust the brightness of the area differently.

6. The method for automatically adjusting brightness of a foldable display screen according to claim 5, characterized in that: The parameters of the ACL method include thresholds, and the preset parameters of the ACL method include a first preset threshold, a second preset threshold, and a third preset threshold, and the first preset threshold, the second preset threshold, and the third preset threshold decrease in sequence.

7. The method for automatically adjusting brightness of a foldable display screen according to claim 3, characterized in that: Determining parameters of the ACL method according to the ambient light brightness, battery power, and display color mode of the folding display screen includes: The ambient light brightness, battery power and display color mode of the folding display screen are input into a pre-trained neural network algorithm to obtain the parameters of the ACL method output by the neural network algorithm.

8. A foldable display screen automatic brightness adjustment system, characterized in that: include: A calculation module, used for calculating the OPR of the entire display screen of the folding display screen; The sending module is used to send the OPR of the whole screen display picture to the DIC of each area in the folding display screen, so that the DIC of each area adjusts the brightness of each area based on the ACL method according to the OPR of the whole screen display picture.

9. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein: When the processor executes the program, the method for automatic brightness adjustment of a folding display screen as described in any one of claims 1 to 7 is implemented.

10. A non-transitory computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the method for automatically adjusting the brightness of a folding display screen as described in any one of claims 1 to 7 is implemented.

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