HUD local dimming method and device, HUD and electronic equipment

Abstract

The invention provides a local dimming method and device of an HUD, the HUD and electronic equipment. The specific implementation scheme is as follows: in response to a received display instruction, determining a display element change of a next frame, and determining a first backlight area corresponding to a first display element displayed in a current frame and a second backlight area corresponding to a second display element to be displayed in the next frame; responding to an overlapped backlight area existing in the first backlight area and the second backlight area, and comparing display contents of the first display element and the second display element corresponding to the overlapped backlight area; and according to a comparison result, controlling a first sub-backlight area except the overlapped backlight area in the first backlight area to be extinguished, controlling a second sub-backlight area except the overlapped backlight area in the second backlight area to work, and adjusting the overlapped backlight area. According to the scheme disclosed by the invention, the HUD can be controlled in a low-cost manner to accurately and quickly realize local dimming.

Description

Technical Field

[0001] This disclosure relates to the field of HUD technology, and in particular to HUD local dimming methods, devices, HUDs and electronic devices. Background Technology

[0002] A head-up display (HUD), also known as a head-up display system, can display static and dynamic information such as vehicle speed, navigation, steering, and adaptive cruise control. The backlight in the HUD's display screen is a key component ensuring clear display of information. Summary of the Invention

[0003] This disclosure provides a local dimming method, apparatus, HUD, and electronic device for HUD to solve or alleviate one or more technical problems in the prior art.

[0004] On one hand, this disclosure provides a local dimming method for a HUD, applicable to a HUD where a backlight area is set only in the display area of ​​the display screen corresponding to the display element. The method includes:

[0005] In response to the received display command, determine the change of display elements in the next frame, and determine the first backlight area corresponding to the first display element already displayed in the current frame and the second backlight area corresponding to the second display element to be displayed in the next frame;

[0006] In response to the existence of an overlapping backlight area between the first backlight area and the second backlight area, the display content of the first display element and the second display element corresponding to the overlapping backlight area is compared.

[0007] Based on the comparison results, the first sub-backlight area outside the overlapping backlight area in the first backlight area is turned off, the second sub-backlight area outside the overlapping backlight area in the second backlight area is turned on, and the overlapping backlight area is adjusted.

[0008] On the other hand, this disclosure provides a HUD, including:

[0009] The display screen includes a screen and multiple backlight areas, the positions of which correspond one-to-one with the display areas of preset display elements on the screen;

[0010] A controller for performing a method according to any embodiment of the present disclosure.

[0011] On the other hand, this disclosure provides a local dimming device for a HUD, applicable to a HUD where a backlight area is set only in the display area of ​​the display screen corresponding to the display element, including:

[0012] The determination module is used to determine the display element changes in the next frame in response to the received display instructions, and to determine the first backlight area corresponding to the first display element already displayed in the current frame and the second backlight area corresponding to the second display element to be displayed in the next frame;

[0013] The comparison module is used to compare the display content of the first display element and the second display element corresponding to the overlapping backlight area in response to the existence of an overlapping backlight area in the first backlight area and the second backlight area.

[0014] The control module is used to control the first sub-backlight area outside the overlapping backlight area in the first backlight area to turn off, control the second sub-backlight area outside the overlapping backlight area in the second backlight area to work, and adjust the overlapping backlight area according to the comparison results.

[0015] On the other hand, this disclosure provides an electronic device, including:

[0016] At least one processor. And

[0017] A memory that is communicatively connected to the at least one processor. Wherein,

[0018] The memory stores instructions that can be executed by the at least one processor to enable the at least one processor to perform the methods of any embodiment of the present disclosure.

[0019] On the other hand, this disclosure provides a non-transitory computer-readable storage medium storing computer instructions, wherein the computer instructions are used to cause the computer to perform a method according to any embodiment of this disclosure.

[0020] On the other hand, this disclosure provides a computer program product including a computer program that, when executed by a processor, implements a method according to any embodiment of this disclosure.

[0021] According to the scheme disclosed herein, a low-cost method can be used to control HUD to achieve precise and rapid local dimming.

[0022] It should be understood that the description in this section is not intended to identify key or essential features of the embodiments of this disclosure, nor is it intended to limit the scope of this disclosure. Other features of this disclosure will become readily apparent from the following description. Attached Figure Description

[0023] In the accompanying drawings, unless otherwise specified, the same reference numerals throughout the various drawings denote the same or similar parts or elements. These drawings are not necessarily drawn to scale. It should be understood that these drawings depict only some embodiments provided according to this disclosure and should not be construed as limiting the scope of this disclosure.

[0024] Figure 1 This is a schematic flowchart of a local dimming method for a HUD according to an embodiment of the present disclosure.

[0025] Figure 2A This is a schematic diagram of a HUD display screen according to an embodiment of the present disclosure.

[0026] Figure 2B This is a schematic diagram of a HUD display screen according to an embodiment of the present disclosure.

[0027] Figure 2C This is a schematic diagram of a HUD display screen according to an embodiment of the present disclosure.

[0028] Figure 2D This is a schematic diagram of a HUD display screen according to an embodiment of the present disclosure.

[0029] Figure 3 This is a schematic diagram of a local dimming device for a HUD according to an embodiment of the present disclosure.

[0030] Figure 4 This is a block diagram of an electronic device used to implement the local dimming method of the HUD according to the embodiments of this disclosure. Detailed Implementation

[0031] The present disclosure will now be described in further detail with reference to the accompanying drawings. The same reference numerals in the drawings denote elements that have the same or similar functions. Although various aspects of embodiments are shown in the drawings, they are not necessarily drawn to scale unless specifically indicated otherwise.

[0032] Furthermore, to better illustrate this disclosure, numerous specific details are set forth in the following detailed description. Those skilled in the art will understand that this disclosure can be practiced without certain specific details. In some instances, methods, means, components, and circuits well known to those skilled in the art have not been described in detail in order to highlight the main points of this disclosure.

[0033] like Figure 1 As shown, this disclosure provides a local dimming method for a HUD, applicable to HUDs where a backlight area is set only in the display area of ​​the screen corresponding to the display element. The method includes:

[0034] Step S101: In response to the received display instruction, determine the display element change of the next frame, and determine the first backlight area corresponding to the first display element already displayed in the current frame and the second backlight area corresponding to the second display element to be displayed in the next frame.

[0035] Step S102: In response to the existence of overlapping backlight areas in the first backlight area and the second backlight area, compare the display content of the first display element and the second display element corresponding to the overlapping backlight area.

[0036] Step S103: Based on the comparison results, control the first sub-backlight area outside the overlapping backlight area in the first backlight area to turn off, control the second sub-backlight area outside the overlapping backlight area in the second backlight area to work, and adjust the overlapping backlight area.

[0037] According to the embodiments of this disclosure, it should be noted that:

[0038] Display elements can be understood as... Figures 2A to 2C The arrows in the display are only used for distance indication. The display elements can also include numbers, letters, and various vehicle function prompt icons from the instrument information.

[0039] The display area can be understood as... Figures 2A to 2D The overall black background area in the text.

[0040] The backlight area can be understood as Figure 2C Each grid in the array. All preset display elements require a backlight area for their corresponding display area. For example, Figure 2C yes Figure 2A and Figure 2B The sum of the displayed elements, therefore, corresponding... Figure 2C Each display element in the HUD has a backlight area set at its corresponding position. Each grid in the HUD display has a backlight source, and each grid's backlight area can have at least one backlight source. Figure 2C No backlight source is installed in the grid area of ​​Central Africa.

[0041] The display screen can be understood as the projection source used by the HUD to project display elements onto the windshield of a vehicle. For HUDs that project display elements directly onto the windshield, the display screen is the HUD itself. For HUDs that require a reflector to project display elements onto the windshield, the display screen is the screen of the PGU (Picture Generation Unit).

[0042] Figure 2A This can be understood as the current frame in step S101. Figure 2A The arrows shown can be understood as the first displayed elements. Figure 2C Zhongyu Figure 2A The grid corresponding to each arrow shown is the first backlight area.

[0043] Figure 2B This can be understood as the next frame in step S101. Figure 2B The arrows shown can be understood as secondary display elements to be displayed. Figure 2C Zhongyu Figure 2B The grid corresponding to each arrow shown is the second backlight area.

[0044] Figure 2C The display elements contained within the dashed area shown are the same display elements in the current frame and the next frame, and the backlight areas within the dashed area are the overlapping backlight areas.

[0045] The first sub-backlight area can be understood as... Figure 2A Throwing out Figure 2C The area outside the dashed line shown is the area where the object is thrown. Figure 2A Except for the bottommost arrow, the other arrows correspond to the backlight areas.

[0046] The second sub-backlight area can be understood as... Figure 2B Throwing out Figure 2C The area outside the dashed line shown is the area where the object is thrown. Figure 2B Except for the bottommost arrow, the other arrows correspond to the backlight areas.

[0047] Controlling the operation of the second sub-backlight area can be understood as controlling the second sub-backlight area to display the corresponding content based on the brightness of the first target display.

[0048] According to the technology of the embodiments of this disclosure, a low-cost method can be achieved by arranging only a small number of backlight areas on the HUD display screen. Combined with the overlapping backlight areas when display elements change, the HUD can be controlled to achieve precise and fast local dimming to display the second display element, thus solving the delay problem when switching between frames.

[0049] In one embodiment, step S103: based on the comparison result, controlling the first sub-backlight area outside the overlapping backlight area in the first backlight area to turn off, controlling the second sub-backlight area outside the overlapping backlight area in the second backlight area to operate, and adjusting the overlapping backlight area, including:

[0050] If the display content of the first display element and the display content of the second display element corresponding to the overlapping backlight area are determined to be consistent based on the comparison results, the overlapping backlight area is controlled to maintain the current display content and display brightness.

[0051] The first sub-backlight area outside the overlapping backlight area in the first backlight area is turned off.

[0052] The second sub-backlight area outside the overlapping backlight area in the second backlight area is controlled to display the corresponding content according to the first target display brightness.

[0053] According to the technology of the present disclosure embodiments, when the display content of the overlapping backlight area in the current frame and the next frame is completely consistent, the brightness and display content of the backlight in the overlapping backlight area can be maintained without adjustment, thereby reducing the switching delay problem of display elements from the current frame to the next frame.

[0054] In one embodiment, step S103: based on the comparison result, controlling the first sub-backlight area outside the overlapping backlight area in the first backlight area to turn off, controlling the second sub-backlight area outside the overlapping backlight area in the second backlight area to operate, and adjusting the overlapping backlight area, including:

[0055] If the display content of the first and second display elements corresponding to the overlapping backlight area is not completely consistent according to the comparison results, the third sub-backlight area in the overlapping backlight area corresponding to the consistent display content is determined.

[0056] Identify the fourth sub-backlight area in the overlapping backlight area corresponding to the inconsistent parts of the displayed content.

[0057] Control the third sub-backlight area to maintain the current display content and display brightness.

[0058] The fourth sub-backlight area is controlled to display the corresponding content based on the brightness of the second target display.

[0059] The first sub-backlight area outside the overlapping backlight area in the first backlight area is turned off.

[0060] The second sub-backlight area outside the overlapping backlight area in the second backlight area is controlled to display the corresponding content according to the first target display brightness.

[0061] According to the embodiments of this disclosure, it should be noted that:

[0062] In the current frame and the next frame, there are instances where content is displayed based on the same overlapping backlight area, but the identical portions of the displayed content within the overlapping backlight area differ. For example, Figure 2A and Figure 2B All of the examples shown require a triangular arrow to be displayed at the bottom, but Figure 2B In the overlapping backlight area corresponding to the arrow in the image, an additional display element needs to be displayed. In this case, there may be a situation where the display content of the overlapping backlight area is partially the same but partially different.

[0063] According to the technology of this disclosure, when the displayed content of the overlapping backlight area in the current frame and the next frame is not completely consistent, the brightness and displayed content of the portion of the overlapping backlight area with consistent displayed content can be maintained without adjustment. Simultaneously, separate local dimming is performed on the portion of the overlapping backlight area with inconsistent displayed content. This not only enables precise and rapid local dimming control of the HUD but also reduces the switching latency issue of displayed elements from the current frame to the next frame.

[0064] In one embodiment, controlling a second sub-backlight area outside the overlapping backlight area in the second backlight area to display corresponding display content according to a first target display brightness includes:

[0065] Determine the maximum display brightness of the second sub-backlight area outside the overlapping backlight area in the second backlight area.

[0066] Determine the first target display brightness of the second sub-backlight area based on the maximum display brightness.

[0067] Based on the brightness of the first target display, control the second sub-backlight area to display the corresponding content.

[0068] According to the embodiments of this disclosure, it should be noted that:

[0069] The maximum display brightness can be the preset maximum brightness of the backlight area, for example, such as... Figure 2D As shown, this represents the preset maximum display brightness for each backlight zone.

[0070] According to the technology of the embodiments of this disclosure, by determining the first target display brightness of the second sub-backlight area in conjunction with the maximum display brightness, the second sub-backlight area can achieve a reasonable brightness display.

[0071] This disclosure provides a HUD, including:

[0072] The display screen includes a screen and multiple backlight areas, the positions of which correspond one-to-one with the display areas of preset display elements on the screen.

[0073] A controller for performing a local dimming method for a HUD according to any embodiment of this disclosure.

[0074] like Figure 3 As shown, this disclosure provides a local dimming device for a HUD, applicable to a HUD where a backlight area is set only in the display area of ​​the display screen corresponding to the display element, including:

[0075] The determining module 310 is used to determine the display element changes in the next frame in response to the received display instruction, and to determine the first backlight area corresponding to the first display element already displayed in the current frame and the second backlight area corresponding to the second display element to be displayed in the next frame.

[0076] The comparison module 320 is used to compare the display content of the first display element and the second display element corresponding to the overlapping backlight area in response to the existence of an overlapping backlight area in the first backlight area and the second backlight area.

[0077] The control module 330 is used to control the first sub-backlight area outside the overlapping backlight area in the first backlight area to turn off, control the second sub-backlight area outside the overlapping backlight area in the second backlight area to work, and adjust the overlapping backlight area according to the comparison result.

[0078] In one implementation, the control module 330 is used to:

[0079] If the display content of the first display element and the display content of the second display element corresponding to the overlapping backlight area are determined to be consistent based on the comparison results, the overlapping backlight area is controlled to maintain the current display content and display brightness.

[0080] The first sub-backlight area outside the overlapping backlight area in the first backlight area is turned off.

[0081] The second sub-backlight area outside the overlapping backlight area in the second backlight area is controlled to display the corresponding content according to the first target display brightness.

[0082] In one implementation, the control module 330 is used to:

[0083] If the display content of the first and second display elements corresponding to the overlapping backlight area is not completely consistent according to the comparison results, the third sub-backlight area in the overlapping backlight area corresponding to the consistent display content is determined.

[0084] Identify the fourth sub-backlight area in the overlapping backlight area corresponding to the inconsistent parts of the displayed content.

[0085] Control the third sub-backlight area to maintain the current display content and display brightness.

[0086] The fourth sub-backlight area is controlled to display the corresponding content based on the brightness of the second target display.

[0087] The first sub-backlight area outside the overlapping backlight area in the first backlight area is turned off.

[0088] The second sub-backlight area outside the overlapping backlight area in the second backlight area is controlled to display the corresponding content according to the first target display brightness.

[0089] In one embodiment, controlling a second sub-backlight area outside the overlapping backlight area in the second backlight area to display corresponding display content according to a first target display brightness includes:

[0090] Determine the maximum display brightness of the second sub-backlight area outside the overlapping backlight area in the second backlight area.

[0091] Determine the first target display brightness of the second sub-backlight area based on the maximum display brightness.

[0092] Based on the brightness of the first target display, control the second sub-backlight area to display the corresponding content.

[0093] The specific functions and examples of each module and submodule of the apparatus in this disclosure can be found in the relevant descriptions of the corresponding steps in the above method embodiments, and will not be repeated here.

[0094] The acquisition, storage, and application of user personal information involved in the technical solution disclosed herein comply with the provisions of relevant laws and regulations and do not violate public order and good morals.

[0095] Figure 4 This is a structural block diagram of an electronic device according to an embodiment of the present disclosure. Figure 4 As shown, the electronic device includes a memory 410 and a processor 420. The memory 410 stores a computer program that can run on the processor 420. There can be one or more memories 410 and processors 420. The memory 410 can store one or more computer programs, which, when executed by the electronic device, cause the electronic device to perform the methods provided in the above-described method embodiments. The electronic device may also include a communication interface 430 for communicating with external devices and performing data exchange and transmission.

[0096] If the memory 410, processor 420, and communication interface 430 are implemented independently, they can be interconnected via a bus to communicate with each other. This bus can be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus, etc. This bus can be divided into an address bus, a data bus, a control bus, etc. For ease of representation, Figure 4 The bus is represented by a single thick line, but this does not mean that there is only one bus or one type of bus.

[0097] Optionally, in a specific implementation, if the memory 410, processor 420 and communication interface 430 are integrated on a single chip, the memory 410, processor 420 and communication interface 430 can communicate with each other through an internal interface.

[0098] It should be understood that the aforementioned processor can be a Central Processing Unit (CPU), or other general-purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field-Programmable Gate Arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. General-purpose processors can be microprocessors or any conventional processor. It is worth noting that the processor can be a processor supporting Advanced Reduced Instruction Set Machines (ARM) architecture.

[0099] Further, optionally, the aforementioned memory may include read-only memory and random access memory, and may also include non-volatile random access memory. The memory may be volatile or non-volatile, or may include both. Non-volatile memory may include read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory. Volatile memory may include random access memory (RAM), which serves as an external cache. Many forms of RAM are available by way of example, but not limitation. Examples include Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), Synchronous DRAM (SDRAM), Double Data Rate Synchronous DRAM (DDR SDRAM), Enhanced Synchronous DRAM (ESDRAM), Synchlink DRAM (SLDRAM), and Direct RAMBUS RAM (DR RAM).

[0100] In the above embodiments, implementation can be achieved, in whole or in part, through software, hardware, firmware, or any combination thereof. When implemented in software, it can be implemented, in whole or in part, as a computer program product. A computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on a computer, all or part of the flow or function according to the embodiments of this disclosure is generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, computer instructions can be transmitted from one website, computer, server, or data center to another via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line, DSL) or wireless (e.g., infrared, Bluetooth, microwave, etc.) means. The computer-readable storage medium can be any available medium that a computer can access, or a data storage device such as a server or data center that integrates one or more available media. The available media can be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., Digital Versatile Discs (DVDs)), or semiconductor media (e.g., Solid State Disks (SSDs)). It is worth noting that the computer-readable storage media mentioned in this disclosure can be non-volatile storage media; in other words, they can be non-transient storage media.

[0101] Those skilled in the art will understand that all or part of the steps of the above embodiments can be implemented by hardware or by a program instructing related hardware. The program can be stored in a computer-readable storage medium, such as a read-only memory, a disk, or an optical disk.

[0102] In the description of the embodiments of this disclosure, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this disclosure. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of those different embodiments or examples.

[0103] In the description of the embodiments disclosed herein, unless otherwise stated, " / " means "or". For example, A / B can mean A or B. The "and / or" in this document is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone.

[0104] In the description of embodiments of this disclosure, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this disclosure, unless otherwise stated, "a plurality of" means two or more.

[0105] The above description is merely an exemplary embodiment of this disclosure and is not intended to limit this disclosure. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this disclosure should be included within the protection scope of this disclosure.

Claims

1. A local dimming method for a HUD, applied to a HUD where a backlight area is set only in the display area of ​​the display screen corresponding to the display element, the method comprising: In response to the received display command, the display element change of the next frame is determined, and the first backlight area corresponding to the first display element already displayed in the current frame and the second backlight area corresponding to the second display element to be displayed in the next frame are determined; In response to the existence of an overlapping backlight area between the first backlight area and the second backlight area, the display content of the first display element and the second display element corresponding to the overlapping backlight area is compared; Based on the comparison results, the first sub-backlight area outside the overlapping backlight area in the first backlight area is turned off, the second sub-backlight area outside the overlapping backlight area in the second backlight area is turned on, and the overlapping backlight area is adjusted.

2. The method according to claim 1, wherein, Based on the comparison results, the system controls the first sub-backlight area outside the overlapping backlight area in the first backlight area to turn off, controls the second sub-backlight area outside the overlapping backlight area in the second backlight area to operate, and adjusts the overlapping backlight area, including: If, based on the comparison results, it is determined that the display content of the first display element and the display content of the second display element corresponding to the overlapping backlight area are consistent, the overlapping backlight area is controlled to maintain the current display content and display brightness. The first sub-backlight area outside the overlapping backlight area in the first backlight area is turned off; The second sub-backlight area outside the overlapping backlight area in the second backlight area is controlled to display the corresponding display content according to the first target display brightness.

3. The method according to claim 1, wherein, Based on the comparison results, the system controls the first sub-backlight area outside the overlapping backlight area in the first backlight area to turn off, controls the second sub-backlight area outside the overlapping backlight area in the second backlight area to operate, and adjusts the overlapping backlight area, including: If, based on the comparison results, it is determined that the display content of the first display element and the second display element corresponding to the overlapping backlight area are not completely consistent, then the third sub-backlight area in the overlapping backlight area corresponding to the consistent display content is determined. Determine the fourth sub-backlight area in the overlapping backlight area corresponding to the inconsistent portion of the displayed content; The third sub-backlight area is controlled to maintain the current display content and display brightness; The fourth sub-backlight area is controlled to display the corresponding content according to the brightness of the second target display; The first sub-backlight area outside the overlapping backlight area in the first backlight area is turned off; The second sub-backlight area outside the overlapping backlight area in the second backlight area is controlled to display the corresponding display content according to the first target display brightness.

4. The method according to claim 2 or 3, wherein, Controlling the second sub-backlight area outside the overlapping backlight area in the second backlight area to display corresponding content according to the first target display brightness includes: Determine the maximum display brightness of the second sub-backlight area outside the overlapping backlight area in the second backlight area; Based on the maximum display brightness, determine the first target display brightness of the second sub-backlight area; Based on the first target display brightness, control the second sub-backlight area to display the corresponding content.

5. A HUD, comprising: The display screen includes a screen and multiple backlight areas, the positions of which correspond one-to-one with the display areas of preset display elements on the screen; A controller for performing the method according to any one of claims 1 to 4.

6. A local dimming device for a HUD, applied to a HUD in which a backlight area is set only in the display area of ​​the display screen corresponding to the display element, comprising: The determination module is used to determine the display element changes in the next frame in response to the received display instruction, and to determine the first backlight area corresponding to the first display element already displayed in the current frame and the second backlight area corresponding to the second display element to be displayed in the next frame; The comparison module is used to compare the display content of the first display element and the second display element corresponding to the overlapping backlight area in response to the existence of an overlapping backlight area between the first backlight area and the second backlight area. The control module is used to, based on the comparison result, control the first sub-backlight area outside the overlapping backlight area in the first backlight area to turn off, control the second sub-backlight area outside the overlapping backlight area in the second backlight area to operate, and adjust the overlapping backlight area.

7. The apparatus according to claim 6, wherein, The comparison module is used for: If, based on the comparison results, it is determined that the display content of the first display element and the second display element corresponding to the overlapping backlight area are not completely consistent, then the third sub-backlight area in the overlapping backlight area corresponding to the consistent display content is determined. Determine the fourth sub-backlight area in the overlapping backlight area corresponding to the inconsistent portion of the displayed content; The third sub-backlight area is controlled to maintain the current display content and display brightness; The fourth sub-backlight area is controlled to display the corresponding content according to the brightness of the second target display; The first sub-backlight area outside the overlapping backlight area in the first backlight area is turned off; The second sub-backlight area outside the overlapping backlight area in the second backlight area is controlled to display the corresponding display content according to the first target display brightness.

8. An electronic device, comprising: At least one processor; as well as A memory communicatively connected to the at least one processor; wherein, The memory stores instructions that can be executed by the at least one processor to enable the at least one processor to perform the method of any one of claims 1 to 4.

9. A non-transitory computer-readable storage medium storing computer instructions, wherein, The computer instructions are used to cause the computer to perform the method according to any one of claims 1 to 4.

10. A computer program product comprising a computer program that, when executed by a processor, implements the method according to any one of claims 1 to 4.

Images