Backlight conversion module, electronic equipment and power supply method

Abstract

The invention provides a backlight conversion module, electronic equipment and a power supply method.The backlight conversion module is applied to the electronic equipment, the input end of the backlight conversion module is connected with the electronic equipment, the output end of the backlight conversion module is connected with a display module, and the output end comprises a first output end and a second output end; under the condition that the display module is the first type display module, outputting a first voltage to the first type display module through the first output end, or outputting a second voltage corresponding to the display parameter of the first type display module through the second output end; under the condition that the display module is a second type display module, a third voltage and a fourth voltage are output to different areas of the second type display module through the first output end and the second output end respectively; wherein the third voltage is the same as the fourth voltage.

Description

Technical Field

[0001] The present application relates to the technical field of electronic equipment, and is related to but not limited to a backlight conversion module, an electronic device and a power supply method. Background Art

[0002] The pluggable computing unit solution is the development trend of all-in-one computers. Users can unplug the computing unit from the whole machine and plug it into another display module for use; or, for the same display module, it can be connected to different computing units, which makes it convenient for users to replace different display modules or upgrade computing units. However, due to the different specifications of display modules, the computing unit may not be able to provide appropriate power support for different display modules, making the display modules unable to light up normally. Summary of the invention

[0003] The embodiment of the present application provides a backlight conversion module, an electronic device and a power supply method. The technical solution of the embodiment of the present application is implemented as follows:

[0004] In a first aspect, a backlight conversion module is provided, which is applied to an electronic device, wherein an input end of the backlight conversion module is connected to the electronic device, and an output end of the backlight conversion module is connected to a display module, and the output end includes a first output end and a second output end; when the display module is a first type display module, a first voltage is output to the first type display module through the first output end, or a second voltage corresponding to a display parameter of the first type display module is output through the second output end; when the display module is a second type display module, a third voltage and a fourth voltage are output to different areas of the second type display module through the first output end and the second output end, respectively; wherein the third voltage is the same as the fourth voltage.

[0005] In a second aspect, an electronic device is provided, including a mainboard and a backlight conversion module, wherein an input end of the backlight conversion module is connected to the mainboard, and an output end of the backlight conversion module is connected to a display module, and the output end includes a first output end and a second output end; the backlight conversion module is used for: when the display module is a first type display module, outputting a first voltage to the first type display module through the first output end, or outputting a second voltage corresponding to a display parameter of the first type display module through the second output end; when the display module is a second type display module, outputting a third voltage and a fourth voltage to different areas of the second type display module through the first output end and the second output end, respectively; wherein the third voltage is the same as the fourth voltage.

[0006] In a third aspect, a power supply method is provided, which is applied to a backlight conversion module, the backlight conversion module is applied to an electronic device, the input end of the backlight conversion module is connected to the electronic device, the output end of the backlight conversion module is connected to the display module, and the output end includes a first output end and a second output end; the method includes: when the display module is a first type display module, outputting a first voltage to the first type display module through the first output end, or outputting a second voltage corresponding to a display parameter of the first type display module through the second output end; when the display module is a second type display module, outputting a third voltage and a fourth voltage to different areas of the second type display module through the first output end and the second output end respectively; wherein the third voltage is the same as the fourth voltage. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a structural schematic diagram of an all-in-one machine using a pluggable computing unit in the related art;

[0008] Figure 2 A schematic structural diagram of a backlight conversion module provided in one embodiment of the present application;

[0009] Figure 3 A schematic structural diagram of a backlight conversion module provided in another embodiment of the present application;

[0010] Figure 4 A schematic structural diagram of a backlight conversion module provided in another embodiment of the present application;

[0011] Figure 5 A schematic structural diagram of a backlight conversion module provided in another embodiment of the present application;

[0012] Figure 6 A schematic structural diagram of a backlight conversion module provided in another embodiment of the present application;

[0013] Figure 7 A schematic structural diagram of an electronic device provided in an embodiment of the present application;

[0014] Figure 8 A schematic flow chart of a power supply method provided in an embodiment of the present application;

[0015] Fig. 9 A schematic structural diagram of a power supply device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions of the present application are further elaborated in detail below in conjunction with the drawings and embodiments. The described embodiments should not be regarded as limiting the present application. All other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present application.

[0017] In the following description, reference is made to "some embodiments", which describe a subset of all possible embodiments, but it is understood that "some embodiments" may be the same subset or different subsets of all possible embodiments, and may be combined with each other without conflict. The terms "first / second / third" involved are merely used to distinguish similar objects and do not represent a specific order for the objects. It is understood that "first / second / third" may be interchanged in a specific order or sequence where permitted, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein.

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein are only for the purpose of describing this application and are not intended to limit this application.

[0019] In the process of continuous evolution of computer technology, traditional all-in-one (AIO) devices have certain limitations in design. Traditional AIO devices use a relatively fixed internal structure, and their computing units (including core components such as processors, motherboards, hard disks, and memory) are integrated into the whole machine, and do not support plug-in solutions. This fixed structure makes users face many inconveniences during use.

[0020] With the increasing diversification of users' demands for computer use and higher expectations brought about by technological development, the design of the next-generation AIO has ushered in major changes. It innovatively proposes a solution for plugging and unplugging computing units, aiming to provide users with a more flexible and convenient user experience.

[0021] Figure 1 A schematic diagram of the structure of an all-in-one machine using a pluggable computing unit in the related art is shown. Figure 1 The all-in-one machine 100 includes a computing unit 110 and a screen 120. The computing unit 110 integrates important components such as the aforementioned processor, motherboard, hard disk, and memory, an interface for connecting to the screen 120, and an IO interface for connecting to other external devices. The user can unplug the computing unit 110 from the whole machine and insert it into another screen for use; or, for the same screen, it can be connected to different computing units.

[0022] This pluggable computing unit design concept brings many advantages to users. On the one hand, in daily use, users may need to change screens of different sizes due to different usage scenarios or personal preferences. For example, when users are in an office environment, they may prefer to use a larger screen to improve multitasking efficiency and visual comfort; when working on the move or carrying out, they hope to be able to switch to a smaller and more portable screen. With the pluggable computing unit design, users can easily switch between different screens without having to purchase multiple computer devices to adapt to screens of different sizes, which greatly saves costs and improves equipment utilization.

[0023] On the other hand, from the perspective of computer performance upgrades, with the rapid development of technology, the performance of computer hardware is frequently updated, and users often hope to upgrade their computers in a timely manner to obtain better computing performance. In the past, the fixed structure of traditional AIO made hardware upgrades extremely difficult, and even required professional technicians to perform complex operations such as disassembly. Based on the above-mentioned pluggable design of the computing unit, users only need to purchase new, better-performing computing units (such as replacing a higher-configuration motherboard, a larger-capacity SSD, or faster memory), and then unplug the original computing unit and insert a new one to complete the upgrade. The operation is simple and convenient, which greatly improves the user's autonomy and flexibility in upgrading the computer.

[0024] However, in the process of realizing this innovative design, some technical challenges were also encountered. According to the above description, the computing unit is provided with an interface for connecting to the screen, which is usually a connector, which is used to transmit various signals provided by the computing unit to the screen, such as image display signals, control signals, etc., and is also responsible for providing backlight support for the screen.

[0025] However, there are many specifications of screens on the market, and screens produced by different manufacturers have large differences in technical parameters, design standards, etc., especially in the requirements for current and voltage.

[0026] For example, some high-end professional displays (such as mini-LED displays, high refresh rate displays, etc.) may require relatively high voltages and large currents to drive their backlight modules and ensure the normal operation of internal circuits in order to achieve higher brightness, more accurate color display and other functions; while ordinary consumer-grade displays require relatively low current and voltage parameters due to cost, power consumption and other considerations. This difference leads to a key problem, that is, when the computing unit is unplugged from the original machine, it is often impossible to plug in and light up screens of other specifications or produced by other manufacturers, and it often cannot work properly. Because the computing unit was originally powered and transmitted signals according to the current, voltage and other parameters set by the specific screen it is adapted to, in the face of different requirements of screens of different specifications, it cannot automatically adjust the output current, voltage and related signals, and thus cannot provide these screens with appropriate power support and accurate signal transmission, making the screen unable to be lit normally. This undoubtedly limits the full play of the advantages of the next generation of AIO computing unit plug-in solutions to a certain extent.

[0027] In view of the above problems, the embodiments of the present application provide a backlight conversion module, an electronic device and a power supply method. The technical solution of the present application will be described in detail below in conjunction with the accompanying drawings.

[0028] Figure 2 2 is a schematic structural diagram of a backlight conversion module 200 provided in an embodiment of the present application. The backlight conversion module 200 is applied to an electronic device 300. The electronic device 300 may be, for example, the all-in-one device mentioned above. It should be noted that, for ease of understanding, the figure also shows the electronic device 300 and the display module 400 connected to the backlight conversion module 200.

[0029] Figure 2 The backlight conversion module 200 has an input terminal 210 and an output terminal 220 .

[0030] The input terminal 210 is used to connect to the electronic device 300, and the output terminal 220 is used to connect to the display module 400. The output terminal 220 can be, for example, a connector on the backlight conversion module 200, which is used to provide a backlight driving signal and a display driving signal to the display module.

[0031] In the embodiment of the present application, the output terminal 220 includes a first output terminal 221 and a second output terminal 222. The connection between the output terminal 220 and the display module 400 mentioned in the above text can be that any one of the first output terminal 221 and the second output terminal 222 is connected to the display module 400; or, the first output terminal 221 and the second output terminal 222 can be connected to the display module 400 at the same time, and the embodiment of the present application is not limited to this.

[0032] The backlight conversion module 200 is configured to: when the above-mentioned display module 400 is a first type display module 410, output a first voltage V1 to the first type display module 410 through the first output terminal 221, or output a second voltage V2 corresponding to the display parameters of the first type display module 410 through the second output terminal 222.

[0033] In the embodiment of the present application, the first type display module 410 is a single backlight display module. The single backlight display module mentioned here can be, for example, a single backlight LCD display module. The backlight unit of this type of display module usually includes a light-emitting element and a light-guiding element. The light-emitting element is a plurality of LED lamp beads arranged below the light-guiding element or arranged on the frame of the display module; the LED lamp beads in the light-emitting element emit light after being energized, and the point light source emitted by the LED is homogenized by the light guide plate and then emitted above the light guide plate.

[0034] It is understandable that different single-backlight display modules have different requirements for the backlight unit driving voltage. For example, for display modules with conventional resolution (such as 1080P) and / or conventional refresh rate (such as 60Hz), the required voltage of the backlight unit is usually lower (such as 20V); while for some display modules with high resolution (such as 2K or 4K) and / or high refresh rate (such as 120Hz or 144Hz), in order to ensure the display effect, a higher voltage (such as 50V) needs to be provided to the backlight unit to improve the display effect of the display module.

[0035] Therefore, in the solution of the embodiment of the present application, different voltages can be provided to the first type display module 410 according to its requirements.

[0036] More specifically, the first output terminal 221 outputs the first voltage V1 to the first type display module 410 . Alternatively, the second output terminal 222 outputs the second voltage V2 corresponding to the display parameter of the first type display module 410 .

[0037] In the embodiment of the present application, the first voltage V1 is a fixed voltage value that satisfies the basic operation of the first type display module 410 .

[0038] In the embodiment of the present application, the display parameters of the first type display module 410 may include, for example, any one or more of the relevant parameters such as the module type, size, resolution, refresh rate, brightness level, and color mode of the first type display module 410; taking resolution as an example, this is a key indicator that determines the fineness of the picture, and a high-resolution module requires a more accurate and stable power supply to drive each tiny pixel; for another example, the brightness level requirement, as the user's ambient light changes and the screen brightness is adjusted according to personal visual preferences, the voltage required by the module should also change dynamically, and the voltage needs to be increased in strong light to ensure visibility, and the voltage needs to be reduced in a weak light environment to achieve energy saving and eye protection; the color mode is also a key consideration, and different color modes have specific requirements for the power supply voltage due to the differences in the composition and driving methods of their sub-pixels. By accurately matching these parameters to provide a suitable voltage, the display effect of the display module connected to the second output terminal can be better optimized.

[0039] In the embodiment of the present application, the backlight conversion module 200 is further configured to: when the display module 400 is a second type display module 420, output the third voltage V3 and the fourth voltage V4 to different areas of the second type display module 420 through the first output terminal 221 and the second output terminal 222, respectively, wherein the third voltage V3 and the fourth voltage V4 are the same.

[0040] The second type display module 420 in the embodiment of the present application has at least two different areas, and the at least two different areas correspond to different backlight units respectively.

[0041] As a possible implementation, the second type display module 420 may be a display module with a partitioned backlight. For the second type display module 420, it is necessary to provide backlight driving voltages for different regions at the same time to ensure that they can display normally. At the same time, in order to ensure that the brightness displayed in different regions is uniform, the voltages of the two regions can be set to be the same, that is, the third voltage V3 and the fourth voltage V4 are the same.

[0042] That is to say, when the display module 400 is a second type display module 420, the above-mentioned backlight conversion module 200 can realize a partition synchronous power supply mechanism, and the first output terminal 221 and the second output terminal 222 respectively provide the third voltage V3 and the fourth voltage V4 to different pre-divided areas inside the second type display module 420. Taking the liquid crystal partition backlight module as an example, different light bar partitions in the edge-entry backlight or different lamp bead matrix partitions in the direct-type backlight can ensure uniform brightness of the entire screen without deviation only when equal and stable voltage drive is obtained, avoiding defects that affect visual effects such as local overbrightness forming light spots or local overdarkness producing shadows, so as to improve the display effect.

[0043] According to the above-mentioned technical means, by setting a backlight conversion module between the electronic device and the display module, the two output ends of the backlight conversion module are used to flexibly power the backlight units of different types of display modules. When applied to the pluggable computing unit of the all-in-one machine, the power supply method can be adaptively adjusted according to the different display modules, so that the computing unit can adapt to the power requirements of different screens, thereby expanding the scope of application.

[0044] It is understandable that in the working process of the display module 400, in addition to displaying the picture, there is also a need for brightness adjustment. Among them, pulse width modulation PWM dimming is a commonly used method to adjust the screen brightness. Its basic working principle is: input a PWM signal to the backlight unit, and control the brightness of the screen by adjusting the proportion of the high level in the PWM signal to the entire cycle (ie, the duty cycle). The main parameters of the PWM signal include frequency and duty cycle. The higher the frequency, the less obvious the stroboscopic phenomenon, and the higher the duty cycle, the higher the screen brightness.

[0045] In some embodiments of the present application, Figure 3 As shown, the electronic device 300 further includes a first conversion unit 310 . The first conversion unit 310 is connected to the input terminal 210 of the backlight conversion module 200 .

[0046] According to the above description, the backlight conversion module 200 can supply power to the first type display module 410 through any one of the first output terminal 221 and the second output terminal 222. In this case, the backlight conversion module 200 is configured as follows:

[0047] When the first type display module 410 is powered by the first output terminal 221, the first pulse width modulation PWM signal is received by the input terminal 210, and the first PWM signal is provided to the first type display module 410 by the first output terminal 221, thereby realizing brightness adjustment of the first type display module 410. In this case, the first type display module 410 can be the single backlight low refresh rate display module mentioned above.

[0048] When the first type display module 410 is powered by the second output terminal 222, the second PWM signal is received by the input terminal 210, and the second PWM signal is provided to the first type display module 410 by the second output terminal 222, so as to adjust the brightness of the first type display module 410. The second PWM signal is obtained by dividing the first PWM signal by the first conversion unit 310. In this case, the first type display module 410 can be a single backlight high refresh rate or high resolution or high current and high voltage LCD display module.

[0049] As a possible implementation, the first PWM signal may be generated by a PWM signal generating unit in the electronic device 300, and the PWM signal generating unit may be, for example, the mainboard of the electronic device 300. There may be two PWM signal transmission channels between the first conversion unit and the backlight conversion module 200. When the display module 400 is a first type display module 410, the first conversion unit 310 may receive the first PWM signal sent by the mainboard, and send the first PWM signal to the first output terminal 221 through the transmission channel corresponding to the first output terminal 221; when the display module 400 is a second type display module 420, the first conversion unit 310 performs frequency division processing on the first PWM signal after receiving it to obtain a second PWM signal, and then sends the second PWM signal to the second output terminal 222 through the transmission channel corresponding to the second output terminal 222.

[0050] According to the above technical means, in the process of using the backlight conversion module to power the first type display module, a pulse width modulation signal can be provided to the first type display module according to different dimming requirements of the first type display module to achieve brightness adjustment of the first type display module.

[0051] According to the above description, the backlight conversion module 200 provided in the embodiment of the present application can also simultaneously supply power to different display areas of the second type display module 420 through two output terminals. Figure 4 As shown, the backlight conversion module 200 is configured as follows:

[0052] The third PWM signal and the fourth PWM signal are received through the input terminal 210 , and the third PWM signal and the fourth PWM signal are provided to the first backlight module and the second backlight module in the second type display module 420 through the first output terminal 221 and the second output terminal 222 , respectively.

[0053] The fourth PWM signal is obtained by the first conversion unit dividing the third PWM signal. The third PWM signal may be generated by a mainboard of the electronic device 300.

[0054] In some implementations, in order to ensure that the brightness of different display areas of the second-type display module 420 is the same, the frequency and duty cycle of the third PWM signal and the fourth PWM signal may be set to be the same.

[0055] It should also be noted that the transmission method of the third PWM signal and the fourth PWM signal may be the same as the transmission method of the first PWM signal and the second PWM signal mentioned above, which will not be described in detail here.

[0056] According to the above technical means, when the backlight conversion module provided in the embodiment of the present application is used to power the second type display module, dimming signals are provided to the backlight modules corresponding to different display areas through the two output ends respectively, thereby realizing synchronous adjustment of each backlight.

[0057] In some embodiments, Figure 5 As shown, the backlight conversion module 200 further includes a second conversion unit 230 , which is disposed between the input terminal 210 and the second output terminal 222 .

[0058] The backlight conversion module 200 is configured such that, when power is supplied to the first type display module 410 via the second output terminal 222, the second conversion unit 230 can obtain display parameters of the first type display module 410, which display parameters may include, for example, any one or more of multiple parameters such as the module type, size, resolution, and refresh rate of the first type display module.

[0059] The above display parameters are sent to the electronic device 300 through the input terminal 210, so that the electronic device 300 can determine the requirements of the first type display module 410 according to the display parameters, and the requirements may include the voltage requirements of the first type display module 410, generate a first control signal according to the voltage requirements, and send the first control signal to the backlight conversion module 200. At the same time, the electronic device 300 can also receive the standard voltage Vs sent by the electronic device 300 through the input terminal 210, and the standard voltage Vs is a constant voltage (for example, 20V) provided by the electronic device 300 to the backlight conversion module 200. After receiving the standard voltage Vs and the first control signal through the input terminal 210, the second conversion unit can process the standard voltage Vs according to the instruction of the first control signal to obtain the second voltage V2, and then provide the second voltage V2 to the first type display module 410 through the second output terminal 222.

[0060] The second conversion unit may process the standard voltage Vs by boosting, reducing or stabilizing the voltage, etc., which is not limited in the embodiment of the present application.

[0061] As a possible implementation manner, the second conversion unit is a Buck-Boost circuit.

[0062] According to the above-mentioned technical means, when the second output terminal is used to power the first type of display module, the standard voltage provided by the mainboard can be converted into the voltage required by the display module through the second conversion unit according to the first control signal determined by the electronic device based on the requirements of the first type of display module, so that the backlight conversion module can adapt to the power requirements of screens of different specifications and expand its application range.

[0063] In some embodiments, the display parameters of the first type display module 410 are determined by at least one of the following methods: detecting and determining the cable between the first type display module 410 and the second output terminal 222, detecting and determining the plug between the first type display module 410 and the second output terminal 222, and setting by the mainboard of the electronic device 300.

[0064] For example, different display modules use different wires, and the type or key features of the wires are related to the display parameters of the display modules. When the wire is used to connect the first type of display module to the second output terminal, the wire can be detected to determine the above display parameters. For another example, different display modules use different plugs, which are related to the display parameters of the display modules. Therefore, the above display parameters can be determined by detecting the plugs.

[0065] In some embodiments, Figure 6 As shown, the backlight conversion module 200 further includes a second conversion unit 230 , which is disposed between the input terminal 210 and the second output terminal 222 .

[0066] When the backlight conversion module 200 is used to supply power to the second type display module 420 , the second conversion unit 230 is used to determine the display parameters of the second type display module 420 .

[0067] The input end 210 of the backlight conversion module 200 synchronizes the above display parameters to the electronic device 300, so that the electronic device 300 controls the voltage and current of different display areas in the second display module 400 according to the display parameters of the second type display module 420, so that the brightness of different display areas is the same and the brightness changes are consistent.

[0068] More specifically, the electronic device 300 may determine the voltage requirements of the first backlight module and the second backlight module according to the display parameters of the second type display module 420 , thereby determining the third voltage V3 .

[0069] The backlight conversion module 200 receives the third voltage V3 and the standard voltage Vs sent by the electronic device 300 through the input terminal 210, and the second conversion unit 230 converts the standard voltage Vs according to the display parameters of the second type display module 420 to obtain the fourth voltage V4. After that, the backlight conversion module 200 provides the third voltage V3 and the fourth voltage V4 to the first backlight module and the second backlight module of the second type display module 420 through the first output terminal 221 and the second output terminal 222, respectively, so that the first backlight module and the second backlight module emit light. In the embodiment of the present application, the third voltage V3 and the fourth voltage V4 are the same.

[0070] It can also be understood that in the embodiment of the present application, the process of the second conversion unit 230 obtaining the fourth voltage V4 according to the standard voltage Vs can be to obtain the fourth voltage V4 by boosting, lowering or stabilizing the standard voltage Vs, and the embodiment of the present application is not limited to this.

[0071] When adjusting the brightness of the second type display module 420, the electronic device 300 determines the third PWM signal and the fourth PWM signal according to the display parameters of the second type display module 420. The third PWM signal may be provided by the mainboard of the electronic device 300, and the fourth PWM signal may be obtained by dividing the third PWM signal by the first conversion unit in the electronic device 300. In the embodiment of the present application, the third PWM signal has the same frequency and duty cycle as the fourth PWM signal.

[0072] According to the above-mentioned technical means, when powering a display module with multiple display areas, the backlight conversion module can adjust the voltage signal and the dimming signal according to the needs of the display module and the control of the receiving electronic device, so that the backlight of multiple display areas is synchronized, ensuring the consistency of multi-channel backlight.

[0073] In some embodiments, the display parameters of the second type display module 420 can be determined by at least one of the following methods: detecting and determining the cable between the second type display module 420 and the second output terminal 222; detecting and determining the plug between the second type display module 420 and the second output terminal 222; or determining by the motherboard of the electronic device 300.

[0074] The embodiment of the present application also provides an electronic device, Figure 7 is a schematic structural diagram of the electronic device 700, such as Figure 7 As shown, the electronic device 700 includes a mainboard 710 and a backlight conversion module 720. The input terminal 721 of the backlight conversion module 720 is connected to the mainboard 710, and the output terminal 722 of the backlight conversion module 720 is connected to the display module. The output terminal 722 includes a first output terminal 7221 and a second output terminal 7222.

[0075] Figure 7 The backlight conversion module 720 is used for: when the display module is a first type display module, outputting a first voltage to the first type display module through the first output terminal 7221, or outputting a second voltage corresponding to the display parameter of the first type display module through the second output terminal 7222; when the display module is a second type display module, outputting a third voltage and a fourth voltage to different areas of the second type display module through the first output terminal 7221 and the second output terminal 7222 respectively; wherein the third voltage is the same as the fourth voltage.

[0076] In some embodiments, the backlight conversion module is detachably connected to the mainboard. For example, the backlight conversion module can be connected to the mainboard using a connector.

[0077] In some embodiments, the main board includes a first conversion unit; the backlight conversion module is used to: when the display module is a first type display module, receive a first pulse width modulation signal through an input end, and provide the first pulse width modulation signal to the first type display module through a first output end to adjust the brightness of the first type display module; or, receive a second pulse width modulation signal through an input end, and provide a second pulse width signal to the first type display module through a second output end to adjust the brightness of the first type display module; the first conversion unit is used to: perform frequency division processing on the first pulse width modulation signal to obtain a second pulse width modulation signal.

[0078] In some embodiments, the main board includes a first conversion unit; the backlight conversion module is used to: when the display module is a second type display module, receive a third pulse width modulation signal and a fourth pulse width modulation signal through an input end; provide a third pulse width modulation signal and a fourth pulse width modulation signal to the first backlight module and the second backlight module through a first output end and a second output end respectively; the first conversion unit is used to: perform frequency division processing on the third pulse width modulation signal to obtain a fourth pulse width modulation signal.

[0079] In some embodiments, the first conversion unit is further used to adjust the duty cycle of the first pulse width modulation signal or the second pulse width modulation signal according to the display parameters of the first type display module, so that the brightness of the display module matches the display parameters.

[0080] In some embodiments, the first conversion unit is further used to: adjust the third pulse width modulation signal and the fourth pulse width modulation signal to be synchronous, so that the brightness of different areas of the second type display module is consistent.

[0081] In some embodiments, the first conversion unit is also used to: adjust the duty cycle of the third pulse width modulation signal and the fourth pulse width modulation signal according to the display parameters of the second type display module so that the brightness of different areas of the second type display module matches the display parameters of the second type display module.

[0082] In some embodiments, the backlight conversion module also includes a second conversion unit, which is arranged between the input end and the second output end; the backlight conversion module is also used to: when power is supplied to the first type display module through the second output end, obtain the display parameters of the first type display module through the second conversion unit; send the display parameters of the first type display module to the main board through the input end; the main board is also used to: generate a first control signal according to the display parameters of the first type display module and control the first conversion unit to adjust the second pulse width modulation signal; the backlight conversion module is also used to: receive the standard voltage, the first control signal and the second pulse width modulation signal sent by the electronic device through the input end; convert the standard voltage into the second voltage in response to the first control signal through the second conversion unit.

[0083] In some embodiments, the backlight conversion module also includes a second conversion unit, which is arranged between the input end and the second output end; the backlight conversion module is also used to: determine the display parameters of the second type display module through the second conversion unit when powering the second type display module; synchronize the display parameters of the second type display module to the mainboard through the input end; the mainboard is also used to: control the first conversion unit to adjust the third voltage, the third pulse width modulation signal and the fourth pulse width modulation signal according to the display parameters of the second type display module; the backlight conversion module is also used to: receive the standard voltage, the third voltage, the third pulse width modulation signal and the fourth pulse width modulation signal sent by the mainboard through the input end; convert the standard voltage into the fourth voltage according to the display parameters of the second type display module through the second conversion unit.

[0084] Combination of the above Figures 1 to 7 , describes the device embodiment of the present application in detail, and the method embodiment of the present application will be described in detail below in conjunction with the accompanying drawings. It can be understood that the description of the method embodiment corresponds to the description of the device embodiment in the foregoing text, so the part that is not described in detail can refer to the device embodiment in the foregoing text.

[0085] Figure 8 is a schematic flow chart of a power supply method provided in an embodiment of the present application, the method is applied to a backlight conversion module, and the backlight conversion module is applied to an electronic device. The backlight conversion module can be the backlight conversion module described in any of the above embodiments, for example, Figures 2 to 6 The electronic device using the backlight conversion module can be any electronic device described in any of the above embodiments, for example Figure 7 The electronic device 700 in. Figure 8 The method includes steps S810-S820.

[0086] In step S810, when the display module is a first type display module, a first voltage is output to the first type display module through the first output terminal, or a second voltage corresponding to the display parameter of the first type display module is output through the second output terminal.

[0087] In step S820, when the display module is a second type display module, a third voltage and a fourth voltage are output to different regions of the second type display module through the first output terminal and the second output terminal respectively; wherein the third voltage is the same as the fourth voltage.

[0088] In some embodiments, the electronic device further includes a first conversion unit, and the power supply method provided in the embodiment of the present application further includes:

[0089] In the case where the display module is a first type display module, a first pulse width modulation signal is received through the input terminal, and the first pulse width modulation signal is provided to the first type display module through the first output terminal to adjust the brightness of the first type display module; or,

[0090] A second pulse width modulation signal is received through the input terminal, and a second pulse width signal is provided to the first type display module through the second output terminal to adjust the brightness of the first type display module; wherein the second pulse width signal is obtained by dividing the first pulse width modulation signal by the first conversion unit.

[0091] In some embodiments, the electronic device further includes a first conversion unit, and the power supply method provided in the embodiment of the present application further includes:

[0092] When the display module is a second type display module, a third pulse width modulation signal and a fourth pulse width modulation signal are received through the input terminal; the third pulse width modulation signal and the fourth pulse width modulation signal are provided to the first backlight module and the second backlight module through the first output terminal and the second output terminal respectively; wherein the fourth pulse width modulation signal is obtained by dividing the third pulse width modulation signal by the first conversion unit.

[0093] In some embodiments, the backlight conversion module also includes a second conversion unit, which is arranged between the input end and the second output end. The above-mentioned power supply method also includes: when power is supplied to the first type display module through the second output end, using the second conversion unit to obtain display parameters of the first type display module; sending the display parameters of the first type display module to the electronic device through the input end; receiving the standard voltage and the first control signal sent by the electronic device through the input end; converting the standard voltage into the second voltage in response to the first control signal through the second conversion unit.

[0094] In some embodiments, the display parameters of the first type display module are determined by at least one of the following methods: detecting and determining the cable between the first type display module and the second output terminal; detecting and determining the plug between the first type display module and the second output terminal; and determining by the motherboard of the electronic device.

[0095] In some embodiments, the backlight conversion module further includes a second conversion unit disposed between the input terminal and the second output terminal; the aforementioned power supply method further includes:

[0096] When power is supplied to the second type display module, the display parameters of the second type display module are determined by the second conversion unit; the display parameters of the second type display module are synchronized to the electronic device through the input terminal; the standard voltage, the third voltage, the third pulse width modulation signal and the fourth pulse width modulation signal sent by the electronic device are received through the input terminal; the standard voltage is converted into the fourth voltage according to the display parameters of the second type display module by using the second conversion unit; wherein the third voltage, the third pulse width modulation signal and the fourth pulse width modulation signal are determined by the electronic device according to the display parameters of the second type display module.

[0097] In some embodiments, the display parameters of the second type display module are determined by at least one of the following methods: detecting and determining the cable between the second type display module and the second output terminal; detecting and determining the plug between the second type display module and the second output terminal; and determining by the motherboard of the electronic device.

[0098] Based on the above power supply method, the embodiment of the present application further provides a power supply device, Fig. 9 A schematic diagram of the structure of a power supply device provided in an embodiment of the present application, wherein the device 900 includes a processor 910 and a memory 920, wherein a computer program is stored on the memory 920, and the computer program can be executed by the processor 910, so that the processor 910 executes the method described in the method embodiment above. The memory 920 can be independent of the processor 910 or integrated in the processor 910.

[0099] The apparatus 900 may further include a transceiver 930. The processor 910 may communicate with other devices or chips through the transceiver 930. For example, the processor 910 may transmit and receive data with other devices or chips through the transceiver 930.

[0100] The embodiment of the present application provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, some or all of the steps in the above method are implemented. The computer-readable storage medium can be transient or non-transient.

[0101] An embodiment of the present application provides a computer program, including a computer-readable code. When the computer-readable code is run in an electronic device, a processor in the electronic device executes some or all of the steps for implementing the above method.

[0102] The embodiment of the present application provides a computer program product, which includes a non-transitory computer-readable storage medium storing a computer program, and when the computer program is read and executed by a computer, some or all of the steps in the above method are implemented. The computer program product can be implemented specifically by hardware, software or a combination thereof. In some embodiments, the computer program product is specifically embodied as a computer storage medium, and in other embodiments, the computer program product is specifically embodied as a software product, such as a software development kit (SDK) and the like.

[0103] It should be noted that in the embodiment of the present application, if the above method is implemented in the form of a software function module and sold or used as an independent product, it can also be stored in a computer-readable storage medium. Based on such an understanding, the technical solution of the embodiment of the present application is essentially or the part that contributes to the relevant technology can be embodied in the form of a software product, which is stored in a storage medium, including a number of instructions to enable an electronic device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the methods described in each embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as a U disk, a mobile hard disk, a read-only memory (ROM), a disk or an optical disk. In this way, the embodiment of the present application is not limited to any specific hardware, software or firmware, or any combination of hardware, software, and firmware.

[0104] It should be noted that the description of the various embodiments above tends to emphasize the differences between the various embodiments, and the same or similar aspects can be referenced to each other. The description of the above device, storage medium, computer program and computer program product embodiments is similar to the description of the above method embodiment, and has similar beneficial effects as the method embodiment. For technical details not disclosed in the embodiments of the device, storage medium, computer program and computer program product of this application, please refer to the description of the method embodiment of this application for understanding.

[0105] It should be noted that the description of the above storage medium and device embodiments is similar to the description of the above method embodiments, and has similar beneficial effects as the method embodiments. For technical details not disclosed in the storage medium and device embodiments of this application, please refer to the description of the method embodiments of this application for understanding.

[0106] The processor may be at least one of an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a Central Processing Unit (CPU), a controller, a microcontroller, and a microprocessor. It is understandable that the electronic device that implements the functions of the processor may also be other, and the embodiments of the present application are not specifically limited.

[0107] The above-mentioned computer storage medium / memory can be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), a magnetic random access memory (FRAM), a flash memory (Flash Memory), a magnetic surface memory, an optical disk, or a compact disc read-only memory (CD-ROM) and the like; it can also be various terminals including one or any combination of the above-mentioned memories, such as mobile phones, computers, tablet devices, personal digital assistants, etc.

[0108] It should be understood that "one embodiment" or "an embodiment" mentioned throughout the specification means that specific features, structures or characteristics related to the embodiment are included in at least one embodiment of the present application. Therefore, "in one embodiment" or "in an embodiment" appearing throughout the specification does not necessarily refer to the same embodiment. In addition, these specific features, structures or characteristics can be combined in one or more embodiments in any suitable manner. It should be understood that in various embodiments of the present application, the size of the serial number of each step / process mentioned above does not mean the order of execution, and the execution order of each step / process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiment of the present application. The serial numbers of the embodiments of the present application mentioned above are for description only and do not represent the advantages and disadvantages of the embodiments.

[0109] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0110] In the several embodiments provided in the present application, it should be understood that the disclosed devices and methods can be implemented in other ways. The device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation, such as: multiple units or components can be combined, or can be integrated into another system, or some features can be ignored or not executed. In addition, the coupling, direct coupling, or communication connection between the components shown or discussed can be through some interfaces, and the indirect coupling or communication connection of the devices or units can be electrical, mechanical or other forms.

[0111] The units described above as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units; they may be located in one place or distributed on multiple network units; some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.

[0112] In addition, all functional units in the embodiments of the present application can be integrated into one processing unit, or each unit can be a separate unit, or two or more units can be integrated into one unit; the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units. A person of ordinary skill in the art can understand that all or part of the steps of the above method embodiments can be completed by hardware related to program instructions, and the above program can be stored in a computer-readable storage medium. When the program is executed, the steps of the above method embodiments are executed; and the above storage medium includes: mobile storage devices, read-only memory (ROM), disks or optical disks, etc. Various media that can store program codes.

[0113] Alternatively, if the above-mentioned integrated unit of the present application is implemented in the form of a software function module and sold or used as an independent product, it can also be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application can essentially or in other words, the part that contributes to the relevant technology can be embodied in the form of a software product, which is stored in a storage medium and includes a number of instructions for an electronic device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the methods described in each embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as mobile storage devices, ROMs, magnetic disks, or optical disks.

[0114] The above description is only an implementation mode of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application.

Claims

1. A backlight conversion module, used in electronic equipment, The input end of the backlight conversion module is connected to the electronic device, the output end of the backlight conversion module is connected to the display module, and the output end includes a first output end and a second output end; In the case where the display module is a first type display module, outputting a first voltage to the first type display module through the first output terminal, or outputting a second voltage corresponding to a display parameter of the first type display module through the second output terminal; When the display module is a second type display module, outputting a third voltage and a fourth voltage to different areas of the second type display module through the first output terminal and the second output terminal respectively; The third voltage is the same as the fourth voltage.

2. The backlight conversion module according to claim 1, wherein the electronic device further comprises a first conversion unit; In the case where the display module is the first type display module, a first pulse width modulation signal is received through the input terminal, and the first pulse width modulation signal is provided to the first type display module through the first output terminal to adjust the brightness of the first type display module; or receiving a second pulse width modulation signal through the input terminal, and providing the second pulse width signal to the first type display module through the second output terminal to adjust the brightness of the first type display module; in, The second pulse width signal is obtained by dividing the first pulse width modulation signal by the first conversion unit.

3. The backlight conversion module according to claim 1, wherein the electronic device further comprises a first conversion unit; when the display module is the second type display module, a third pulse width modulation signal and a fourth pulse width modulation signal are received through the input terminal; providing the third pulse width modulation signal and the fourth pulse width modulation signal to the first backlight module and the second backlight module in the second type display module through the first output terminal and the second output terminal respectively; in, The fourth pulse width modulation signal is obtained by the first conversion unit dividing the frequency of the third pulse width modulation signal.

4. The backlight conversion module according to claim 2, further comprising a second conversion unit disposed between the input terminal and the second output terminal; In the case of supplying power to the first type display module through the second output terminal, the second conversion unit acquires display parameters of the first type display module; The input end sends the display parameters of the first type of display module to the electronic device; The input end receives a standard voltage and a first control signal sent by the electronic device; The second conversion unit converts the standard voltage into the second voltage in response to the first control signal.

5. The backlight conversion module according to claim 4, wherein the display parameters of the first type display module are determined by at least one of the following methods: Detecting and determining a cable between the first type display module and the second output end; Detecting and determining a plug between the first type display module and the second output terminal; Set by the mainboard of the electronic device.

6. The backlight conversion module according to claim 3, further comprising a second conversion unit disposed between the input terminal and the second output terminal; In a case where the second type display module is powered, the second conversion unit determines a display parameter of the second type display module; The input end synchronizes the display parameters of the second type display module to the electronic device; The input end receives the standard voltage, the third voltage, the third pulse width modulation signal and the fourth pulse width modulation signal sent by the electronic device; The second conversion unit converts the standard voltage into the fourth voltage according to the display parameter of the second type display module; The third voltage, the third pulse width modulation signal and the fourth pulse width modulation signal are determined by the electronic device according to the display parameters of the second type display module.

7. The backlight conversion module according to claim 6, wherein the display parameters of the second type display module are determined by at least one of the following methods: Detecting and determining a cable between the second type display module and the second output end; Detecting and determining a plug between the second type display module and the second output terminal; Determined by the mainboard of the electronic device.

8. An electronic device, comprising a mainboard and a backlight conversion module, wherein an input end of the backlight conversion module is connected to the mainboard, an output end of the backlight conversion module is connected to a display module, and the output end comprises a first output end and a second output end; The backlight conversion module is used for: In the case where the display module is a first type display module, outputting a first voltage to the first type display module through the first output terminal, or outputting a second voltage corresponding to a display parameter of the first type display module through the second output terminal; When the display module is a second type display module, outputting a third voltage and a fourth voltage to different areas of the second type display module through the first output terminal and the second output terminal respectively; in, The third voltage is the same as the fourth voltage.

9. The electronic device according to claim 8, characterized in that: The backlight conversion module is detachably connected to the main board.

10. A power supply method, applied to a backlight conversion module, the backlight conversion module is applied to an electronic device, the input end of the backlight conversion module is connected to the electronic device, the output end of the backlight conversion module is connected to a display module, and the output end includes a first output end and a second output end; The method comprises: In the case where the display module is a first type display module, outputting a first voltage to the first type display module through the first output terminal, or outputting a second voltage corresponding to a display parameter of the first type display module through the second output terminal; When the display module is a second type display module, outputting a third voltage and a fourth voltage to different areas of the second type display module through the first output terminal and the second output terminal respectively; The third voltage is the same as the fourth voltage.

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