LED lamp panel control method, control assembly, electronic equipment and storage medium

Abstract

The invention discloses an LED lamp panel control method, a control assembly, electronic equipment and a storage medium, a plurality of light-emitting lamp beads and a plurality of driving chips are arranged on an LED lamp panel, each light-emitting lamp bead is provided with a plurality of pins, each pin is connected with an output pin of the corresponding driving chip, and the output pins of the driving chips are connected with the LED lamp panel. The LED lamp panel control method comprises the following steps: determining the abnormally working light-emitting lamp beads when the abnormally working light-emitting lamp beads exist in a plurality of light-emitting lamp beads; determining an abnormal output pin of the driving chip corresponding to the luminous lamp bead which works abnormally based on the pin of the luminous lamp bead which works abnormally; applying a preset voltage to the abnormal output pins, and obtaining a voltage difference between the abnormal output pins; and in response to the fact that the voltage difference is equal to the preset voltage difference, stopping applying the preset voltage to the abnormal output pin. The preset voltage is applied to the abnormal output pin of the driving chip, and the pin of the short-circuit light-emitting lamp bead is disconnected by utilizing the characteristic of converting electric energy into heat energy, so that the problem of abnormal display of the LED lamp panel is solved.

Description

Technical Field

[0001] The present application relates to the field of LED technology, and in particular to an LED light board control method, a control component, an electronic device, and a storage medium. Background Art

[0002] After years of development, LED-related products have become ubiquitous, especially LED displays, which are actively used in educational venues, conference and office spaces, shopping malls, and outdoor settings. Therefore, the display quality of LED displays is a key concern. LED displays consist of a light board, LEDs, and driver ICs. The arrangement and number of LEDs are directly related to the display quality of the LED display.

[0003] To achieve a more refined display effect, existing LED displays are designed with increasingly smaller inter-panel spacing—that is, the distance between the centers of two LEDs—increasingly smaller. This means that by designing the panel, more LEDs can be placed on the same panel to improve the display effect. However, as the inter-panel spacing decreases, more and more LEDs are placed per unit area during PCB layout (printed circuit board routing), and the hardware circuits are arranged more and more densely, which increases the probability of electromigration. Electromigration is a phenomenon in which electrons within a current-carrying conductor transfer their kinetic energy to the conductor's metal ions, causing the ions to move in the opposite direction of the electric field and gradually migrate, leading to atomic diffusion and loss within the conductor. When the device is operating, a certain current flows through the metal interconnects, causing the metal ions to transport mass along the conductor, resulting in voids or whiskers (hillocks) in certain areas of the conductor.

[0004] Once the electromigration effect occurs, the LED display panel will easily have a problem of short circuit between two adjacent columns of lamp beads, which will cause the two short-circuited columns of lamp beads to display abnormally. Summary of the Invention

[0005] The present application provides an LED light board control method, a control component, an electronic device and a storage medium, which can solve the display abnormality problem of LED display screens caused by electromigration effect.

[0006] In a first aspect, the present application provides a method for controlling an LED light board. The LED light board is provided with a plurality of light-emitting lamp beads and a plurality of driver chips. Each light-emitting lamp bead is provided with a plurality of pins, and each pin is connected to an output pin of a corresponding driver chip. The method for controlling the LED light board includes:

[0007] There is an abnormally working light bead among the multiple light-emitting lamp beads, and the abnormally working light bead is identified;

[0008] Based on the pin of the abnormally working light bead, confirm the abnormal output pin of the driver chip corresponding to the abnormally working light bead;

[0009] Applying a preset voltage to the abnormal output pins to obtain the voltage difference between the abnormal output pins;

[0010] In response to the voltage difference being equal to the preset voltage difference, application of the preset voltage to the abnormal output pin is stopped.

[0011] Optionally, the steps based on the pins of the abnormally working light-emitting lamp beads include:

[0012] Identify the abnormal working state of the light emitting bead and short-circuit at least two pins;

[0013] In response to the voltage difference being equal to a preset voltage difference, the step comprises:

[0014] In response to the voltage difference being equal to the preset voltage difference, at least two pins of the abnormally working light bead are short-circuited and disconnected.

[0015] Optionally, the plurality of light emitting lamp beads are arranged in a matrix, each light emitting lamp bead is provided with at least a first pin and a second pin, and the plurality of driving chips include at least a first driving chip and a second driving chip;

[0016] The first pins of all the light-emitting lamp beads in the same column are connected in series and connected to an output pin of the first driver chip;

[0017] The second pins of all the light-emitting lamp beads in the same column are connected in series and connected to an output pin of the second driver chip;

[0018] The first pins of the light-emitting lamp beads in different columns are connected to different output pins of the first driving chip.

[0019] Optionally, based on the pin of the abnormally working light-emitting bead, the method for confirming the abnormal output pin of the driving chip corresponding to the abnormally working light-emitting bead includes:

[0020] In response to the light emitting beads located in the same column having a working abnormality, it is determined that the abnormality of the LED lamp board is a first abnormality type, wherein the first abnormality type is that an output pin of the first driver chip is short-circuited with an output pin of the second driver chip.

[0021] Optionally, based on the pin of the abnormally working light-emitting bead, the method for confirming the abnormal output pin of the driving chip corresponding to the abnormally working light-emitting bead includes:

[0022] In response to the existence of abnormal working of the light-emitting lamp beads located in different columns, it is determined that the abnormality of the LED lamp board is a second abnormality type, wherein the second abnormality type is short circuit of different output pins of the first driver chip or short circuit of different output pins of the second driver chip.

[0023] Optionally, the abnormal output pin includes a first abnormal output pin, a second abnormal output pin and a third abnormal output pin, and the second abnormal output pin is located between the first abnormal output pin and the third abnormal output pin;

[0024] The step of applying a preset voltage to the abnormal output pins and obtaining a voltage difference between the abnormal output pins includes:

[0025] Applying a preset voltage to the second abnormal output pin and the first abnormal output pin;

[0026] In response to a voltage difference between the second abnormal output pin and the first abnormal output pin being equal to a preset voltage difference, a preset voltage is applied to the second abnormal output pin and the third abnormal output pin.

[0027] Optionally, the step of applying a preset voltage to the abnormal output pins and obtaining a voltage difference between the abnormal output pins includes:

[0028] Based on the constant voltage output mode, a preset voltage is applied to the abnormal output pins to obtain the voltage difference between the abnormal output pins;

[0029] In response to the voltage difference not being equal to the preset voltage difference, the current value flowing through the abnormal output pin is increased.

[0030] A second aspect of the present application provides an LED light board control assembly, the LED light board control assembly comprising:

[0031] The LED light board is provided with a plurality of light-emitting lamp beads and a plurality of driver chips. Each light-emitting lamp bead is provided with a plurality of pins, and each pin is connected to an output pin of a corresponding driver chip;

[0032] The LED lamp board is used to identify the abnormal working light bead among the plurality of light beads; and based on the pin of the abnormal working light bead, identify the abnormal output pin of the driver chip corresponding to the abnormal working light bead;

[0033] The voltage source is used to apply a preset voltage to the abnormal output pins to obtain a voltage difference between the abnormal output pins; and in response to the voltage difference being equal to the preset voltage difference, stop applying the preset voltage to the abnormal output pins.

[0034] A third aspect of the present application provides an electronic device, comprising a memory and a processor coupled to each other, wherein the processor is configured to execute program instructions stored in the memory to implement the LED light board control method as described above.

[0035] In a fourth aspect, the present application provides a computer-readable storage medium storing a computer program, which can implement the above-mentioned LED light board control method when executed by a processor.

[0036] Different from the prior art, when the present application determines that there is an abnormally working light-emitting bead among the multiple light-emitting beads of the LED light board, that is, when it determines that the LED light board displays abnormally, the light-emitting bead with abnormal working is further confirmed, and the output pin of the driver chip connected to it can be confirmed through the pin of the abnormally working light-emitting bead, and the output pin is the abnormal output pin. The present application applies a preset voltage to the abnormal output pin of the driver chip and utilizes the characteristic of converting electrical energy into thermal energy to disconnect the pin of the short-circuited light-emitting bead, thereby solving the problem of abnormal display of the LED light board. The present application solves the problem of abnormal display of the LED display screen caused by the electromigration effect without removing or replacing the lamp beads, and can protect the light-emitting lamp beads and the light board to the greatest extent, while saving the cost of the light board.

[0037] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0039] Figure 1 This is a flow chart of an embodiment of the LED light board control method of the present application;

[0040] Figure 2 yes Figure 1 Specific flow diagram of step S13 in the first embodiment;

[0041] Figure 3 yes Figure 1 A schematic diagram of a specific flow chart of the second embodiment of step S13;

[0042] Figure 4 This is a schematic diagram of the framework of an embodiment of the LED light board control assembly of the present application;

[0043] Figure 5 This is a schematic diagram of the framework of an embodiment of the electronic device of the present application;

[0044] Figure 6 It is a schematic diagram of a framework of an embodiment of a computer-readable storage medium of the present application. DETAILED DESCRIPTION

[0045] To help those skilled in the art better understand the technical solutions of this application, the following is a further detailed description of the LED light panel control method, control assembly, electronic device, and storage medium provided in this application, in conjunction with the accompanying drawings and specific embodiments. It should be understood that the described embodiments are only a portion of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0046] The terms "first," "second," and the like in this application are used to distinguish between different objects, not to describe a particular order. Furthermore, the terms "including," "having," and any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or apparatus comprising a series of steps or elements is not limited to the listed steps or elements, but may optionally include steps or elements not listed, or may optionally include other steps or elements inherent to the process, method, product, or apparatus.

[0047] This application provides a method for controlling an LED light panel to solve the problem of abnormal display of LED display screens caused by electromigration effect. Figure 1 , Figure 1 This is a flow chart of an embodiment of the LED light board control method of the present application.

[0048] The execution subject of the LED light panel control method of the present application may be an LED light panel control component. In some possible implementations, the LED light panel control method may be implemented by a processor calling computer-readable instructions stored in a memory.

[0049] Specifically, see Figure 4 , Figure 4 This is a schematic diagram of the framework of an embodiment of the LED light panel control component of the present application. Figure 4 As shown, the LED light board control assembly 40 of this embodiment includes an LED light board 41 and a voltage source 42, wherein the voltage source 42 is connected to the pins on the LED light board 41 to apply voltage thereto.

[0050] The LED light board 41 is provided with a plurality of light-emitting diodes 411 and a plurality of driver chips (not shown). The light-emitting diodes 411 and the driver chips are arranged on opposite sides of the LED light board 41, and the pins of the light-emitting diodes 411 are electrically connected to the pins of the driver chips. Specifically, each light-emitting diode 411 is provided with a plurality of pins, each of which is connected to an output pin of a corresponding driver chip.

[0051] Optionally, in this embodiment, the plurality of light emitting lamp beads 411 are arranged in a matrix, for example, Figure 4As shown, three columns of light-emitting lamp beads 411 are provided, and each column of light-emitting lamp beads 411 includes 6 light-emitting lamp beads 411 .

[0052] Each light-emitting bead 411 is provided with at least a first pin 4111 and a second pin 4112. The plurality of driver chips include at least a first driver chip and a second driver chip, which can be any two of a red light driver chip, a green light driver chip, and a blue light driver chip. Optionally, each of the first driver chip and the second driver chip includes a plurality of output pins, and the number of output pins is the same as the number of columns of the light-emitting bead 411.

[0053] Specifically, the first pins 4111 of all the light-emitting lamp beads 411 in the same column are arranged in series and connected to an output pin in the first driver chip; the first pins 4111 of the light-emitting lamp beads 411 in different columns are connected to different output pins of the first driver chip, that is, the first pins 4111 of the light-emitting lamp beads 411 in different columns are arranged in parallel.

[0054] The second pins 4112 of all the light-emitting lamp beads 411 in the same column are arranged in series and connected to an output pin in the second driver chip; the second pins 4112 of the light-emitting lamp beads 411 in different columns are connected to different output pins of the second driver chip, that is, the second pins 4112 of the light-emitting lamp beads 411 in different columns are arranged in parallel.

[0055] Optionally, each light-emitting lamp bead 411 may also be provided with a third pin 4113, and the multiple driver chips may also include a third driver chip, the first driver chip, the second driver chip and the third driver chip are respectively a red light driver chip, a green light driver chip and a blue light driver chip, or other corresponding settings.

[0056] Specifically, the third pins 4113 of all the light-emitting lamp beads 411 in the same column are arranged in series and connected to an output pin in the third driver chip; the third pins 4113 of the light-emitting lamp beads 411 in different columns are connected to different output pins of the third driver chip, that is, the third pins 4113 of the light-emitting lamp beads 411 in different columns are arranged in parallel.

[0057] Among them, the LED lamp board 41 of this embodiment is used to identify the abnormally working light-emitting lamp bead 411 among multiple light-emitting lamp beads 411; based on the pins of the abnormally working light-emitting lamp bead 411, that is, one or more of the first pin 4111, the second pin 4112 and the third pin 4113, identify the abnormal output pin of the driving chip corresponding to the abnormally working light-emitting lamp bead.

[0058] The voltage source 42 is configured to apply a preset voltage to the abnormal output pins to obtain a voltage difference between the abnormal output pins; and stop applying the preset voltage to the abnormal output pins in response to the voltage difference being equal to the preset voltage difference.

[0059] Specifically, the LED light panel control method of the embodiment of the present disclosure may include the following steps:

[0060] Step S11: There is a light-emitting lamp bead with an abnormal operation among the plurality of light-emitting lamp beads, and the light-emitting lamp bead with the abnormal operation is confirmed.

[0061] The LED light board 41 is provided with a plurality of light-emitting lamp beads 411. When a light-emitting lamp bead with abnormal working is found among the plurality of light-emitting lamp beads, the light-emitting lamp bead with abnormal working is confirmed. Alternatively, the working state of the light-emitting lamp bead 411 can be determined by judging its luminous degree.

[0062] Optionally, in one embodiment, the LED light board 41 can be photographed and compared with a preset image to confirm whether there are abnormally functioning light beads 411 and to identify the target object. The preset image can be an image of the LED light board 41 when it is functioning normally.

[0063] Step S12: Based on the pins of the abnormally operating light-emitting bead, confirm the abnormal output pins of the driving chip corresponding to the abnormally operating light-emitting bead.

[0064] Since the pins of the light-emitting lamp beads 411 are connected to the output pins of the corresponding driver chip, when it is determined that any light-emitting lamp bead 411 is working abnormally, the output pin of the driver chip connected thereto is confirmed to be an abnormal output pin.

[0065] Optionally, in one embodiment, the pins of the abnormally operating light-emitting bead 411 can be identified by identifying that at least two pins of the abnormally operating light-emitting bead 411 are short-circuited, thereby confirming the abnormal output pins of the driving chip corresponding to the abnormally operating light-emitting bead 411.

[0066] Specifically, when it is determined that there is an abnormal working condition among the light-emitting lamp beads 411 located in the same column, that is, the pins of two adjacent light-emitting lamp beads 411 in the same column are short-circuited, for example, the first pin 4111 of the first light-emitting lamp bead 411 and the second pin 4112 of the second light-emitting lamp bead 411 are short-circuited, it can be determined that the abnormality of the LED lamp board 41 is the first abnormality type, wherein the first abnormality type is that the output pin of the first driver chip is short-circuited with the output pin of the second driver chip, that is, the output pins of different driver chips are short-circuited.

[0067] When it is determined that there are light-emitting lamp beads 411 located in different columns that are working abnormally, that is, the pins of two adjacent light-emitting lamp beads 411 in different columns of light-emitting lamp beads 411 are short-circuited, for example, the first pin 4111 of the light-emitting lamp bead 411 in the first column and the first pin 4111 of the light-emitting lamp bead 411 in the second column are short-circuited, it can be determined that the abnormality of the LED lamp board 41 is the second abnormality type, wherein the second abnormality type is the short-circuit of different output pins of the first driver chip or the short-circuit of different output pins of the second driver chip, that is, the short-circuit of the output pins of the same driver chip.

[0068] Step S13: applying a preset voltage to the abnormal output pins to obtain a voltage difference between the abnormal output pins.

[0069] Among them, this embodiment applies a preset voltage to the abnormal output pin of the driver chip through the voltage source 42, specifically by directly contacting the probes of the voltage source 42 to the abnormal output pins respectively, and at the same time, the voltage source 42 obtains the voltage difference between the abnormal output pins, and displays the voltage difference through the load display function of the voltage source 42 itself.

[0070] Specifically, the present application utilizes the characteristic of converting electrical energy into thermal energy, and applies a preset voltage to the short-circuited abnormal output pin through the voltage source 42. Since the abnormal output pin is short-circuited, the speed of converting electrical energy into thermal energy is extremely fast, that is, a large amount of heat can be generated in a short time, and then the short-circuited part is melted. At this time, the short-circuited abnormal output pin is disconnected, the circuit of the LED light board 41 returns to normal, and the display of the LED light board 41 returns to normal.

[0071] Step S14: in response to the voltage difference being equal to the preset voltage difference, stopping applying the preset voltage to the abnormal output pin.

[0072] When the load display function of the voltage source 42 shows that the voltage difference between the abnormal output pins is equal to the preset voltage difference, the voltage source 42 stops outputting the preset voltage.

[0073] Specifically, in this embodiment, when the voltage source 42 responds to a voltage difference equal to a preset voltage difference, at least two pins of the abnormally operating light-emitting lamp bead 411 are short-circuited and disconnected, that is, the LED lamp board 41 has returned to normal, and there is no need to continue applying the preset voltage to the abnormal output pin.

[0074] Optionally, the preset voltage difference may be related to the maximum operating voltage of the LED light board 41 , and the voltage value thereof may specifically be smaller than the voltage value that affects the normal operation of the LED light board 41 .

[0075] Optionally, the preset voltage may be a value obtained by calculating the resistance value of the short-circuit portion and Ohm's law, and the voltage value of the preset voltage may be less than or equal to the voltage value of the preset voltage difference.

[0076] Optionally, this application also provides another embodiment for implementing step S13. Figure 2 , Figure 2 yes Figure 1 The specific flow diagram of the first embodiment of step S13 is shown in FIG. Specifically, the following steps are included:

[0077] Step S131: applying a preset voltage to the second abnormal output pin and the first abnormal output pin.

[0078] In this embodiment, the abnormality output pins include a first abnormality output pin, a second abnormality output pin, and a third abnormality output pin, and the second abnormality output pin is located between the first abnormality output pin and the third abnormality output pin.

[0079] When there are three abnormal output pins, the voltage source 42 in this embodiment applies a preset voltage to the abnormal output pin located in the middle of the three and any abnormal output pin at the edge, that is, applies a preset voltage to the second abnormal output pin and the first abnormal output pin.

[0080] Step S132 : in response to the voltage difference between the second abnormal output pin and the first abnormal output pin being equal to the preset voltage difference, applying a preset voltage to the second abnormal output pin and the third abnormal output pin.

[0081] Among them, when the voltage source 42 obtains that the voltage difference between the second abnormal output pin and the first abnormal output pin is equal to the preset voltage difference, it proves that the short-circuited part of the second abnormal output pin and the first abnormal output pin is disconnected, and the corresponding driver chip does not have a short-circuit abnormality, and then applies a preset voltage to the second abnormal output pin and the third abnormal output pin that are still short-circuited.

[0082] Optionally, the voltage source 42 may apply a preset voltage to the second abnormal output pin and the third abnormal output pin before applying a preset voltage to the second abnormal output pin and the first abnormal output pin.

[0083] Optionally, in other embodiments, when the number of abnormal output pins is greater than three, a preset voltage may be applied to two adjacent abnormal output pins located at the edge, and the preset voltage may be applied to the abnormal output pin on the other side in sequence. For example, there are four abnormal output pins, and they are sequentially arranged from one side of the LED light board 41 to the other side, and are defined as abnormal output pin A, abnormal output pin B, abnormal output pin C, and abnormal output pin D. First, a preset voltage is applied to abnormal output pins A and abnormal output pin B until the voltage difference between them is equal to the preset voltage difference. Then, a preset voltage is applied to abnormal output pins B and abnormal output pin C until the voltage difference between them is equal to the preset voltage difference. Finally, a preset voltage is applied to abnormal output pins C and abnormal output pin D until the voltage difference between them is equal to the preset voltage difference.

[0084] Optionally, this application also provides another embodiment for implementing step S13. Figure 3 , Figure 3 yes Figure 1 The specific flow diagram of the second embodiment of step S13 in FIG. Specifically, the following steps are included:

[0085] Step S133: Based on the constant voltage output mode, a preset voltage is applied to the abnormal output pins to obtain the voltage difference between the abnormal output pins.

[0086] Among them, the voltage source 42 described in this embodiment is a constant voltage source, and the two probes of the constant voltage source are respectively connected to the abnormal output pins to output a constant voltage. Since the two abnormal output pins are short-circuited, it is equivalent to the two probes of the constant voltage source being short-circuited, and the current in the loop is a constant current value.

[0087] Optionally, before using the voltage source 42, the output parameters need to be set in advance. The initial setting of this parameter should not be too large, otherwise it may damage the LED light board 41. Optionally, the maximum value of the output parameter of the voltage source 42 in this embodiment can be 5V, 1A output.

[0088] Step S134 : In response to the voltage difference not being equal to the preset voltage difference, increasing the current flowing through the abnormal output pin.

[0089] Among them, when the voltage difference between the two abnormal output pins obtained by the voltage source 42 of this embodiment is not equal to the preset voltage difference, it proves that the short-circuited part has not yet melted, which may be because the heat generated is insufficient. Therefore, by adjusting the voltage source 42, the current value flowing through the abnormal output pin is increased, and the total amount of heat generated per unit time is increased until the short-circuited part of the two abnormal output pins is melted.

[0090] When the present application determines that there is an abnormally operating light bead 411 among the multiple light beads 411 of the LED light board 41, that is, when the LED light board 41 displays abnormally, the light bead 411 with the abnormal operation is further identified, and the output pin of the driver chip connected to the abnormally operating light bead 411 can be identified through the pin of the abnormally operating light bead 411, and the output pin is the abnormal output pin. At the same time, the present application applies a preset voltage to the abnormal output pin of the driver chip through the voltage source 42, and utilizes the characteristic of converting electrical energy into thermal energy to disconnect the pin of the short-circuited light bead 411, thereby solving the problem of abnormal display of the LED light board 41.

[0091] On the other hand, the present application utilizes the property of converting electrical energy into thermal energy to solve the display abnormality problem of the LED display screen caused by the electromigration effect without replacing the lamp beads, which can protect the light-emitting lamp beads 411 and the lamp board 41 to the greatest extent, while saving the cost of the lamp board 41.

[0092] This application also provides an electronic device, see Figure 5 , Figure 5 is a schematic diagram of the framework of an embodiment of an electronic device of the present application. The electronic device 50 includes a memory 51 and a processor 52 coupled to each other. The processor 52 is configured to execute program instructions stored in the memory 51 to implement the steps of any of the above-described LED light panel control method embodiments. In a specific implementation scenario, the electronic device 50 may include, but is not limited to, a microcomputer and a server. Furthermore, the electronic device 50 may also include a mobile device such as a laptop computer or a tablet computer, without limitation herein.

[0093] Specifically, the processor 52 is used to control itself and the memory 51 to implement the steps in any of the above-mentioned LED light panel control method embodiments. The processor 52 can also be called a CPU (Central Processing Unit). The processor 52 may be an integrated circuit chip with signal processing capabilities. The processor 52 can also be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components. The general-purpose processor can be a microprocessor or the processor can also be any conventional processor, etc. In addition, the processor 52 can be implemented by an integrated circuit chip.

[0094] This application also provides a computer-readable storage medium, see Figure 6 , Figure 6 The computer readable storage medium 60 stores a computer program 61 that can be executed by a processor, and the computer program 61 is used to implement the steps of any of the above-mentioned LED light panel control method embodiments.

[0095] In some embodiments, the functions or modules included in the device provided by the embodiments of the present disclosure can be used to execute the method described in the above method embodiments. The specific implementation can refer to the description of the above method embodiments. For the sake of brevity, it will not be repeated here.

[0096] The above description of the various embodiments tends to emphasize the differences between the various embodiments. The same or similar aspects can be referenced with each other and will not be repeated herein for the sake of brevity.

[0097] In the several embodiments provided in this application, it should be understood that the disclosed methods and devices can be implemented in other ways. For example, the device implementation methods described above are only schematic. For example, the division of modules or units is only a logical function division. There may be other division methods in actual implementation. For example, units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection of devices or units can be electrical, mechanical or other forms.

[0098] In addition, the functional units in the various embodiments of the present application may be integrated into a single processing unit, or each unit may exist physically separately, or two or more units may be integrated into a single unit. The aforementioned integrated units may be implemented in the form of hardware or software functional units.

[0099] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, server, or network device, etc.) or a processor to execute all or part of the steps of each embodiment method of the present application. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0100] The above are merely embodiments of the present application and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A method for controlling an LED light board, wherein the LED light board is provided with a plurality of light emitting lamp beads and a plurality of driving chips, each of the light emitting lamp beads is provided with a plurality of pins, and each of the pins is connected to an output pin of a corresponding driving chip, characterized in that: The method comprises: There is a light-emitting lamp bead with abnormal operation among the plurality of light-emitting lamp beads, and the light-emitting lamp bead with abnormal operation is confirmed; Based on the pins of the abnormally working light bead, confirm the abnormal output pins of the driving chip corresponding to the abnormally working light bead; Applying a preset voltage to the abnormal output pins to obtain a voltage difference between the abnormal output pins; In response to the voltage difference being equal to the preset voltage difference, the preset voltage is stopped from being applied to the abnormal output pin.

2. The LED light board control method according to claim 1, characterized in that: The step of fixing the pins of the abnormally working light bead comprises: Identify that at least two pins of the abnormally working light bead are short-circuited; In response to the voltage difference being equal to a preset voltage difference, the step comprises: In response to the voltage difference being equal to the preset voltage difference, at least two pins of the abnormally working light bead are short-circuited and disconnected.

3. The LED light board control method according to claim 2, characterized in that: The plurality of light emitting lamp beads are arranged in a matrix, each of the light emitting lamp beads is provided with at least a first pin and a second pin, and the plurality of driving chips include at least a first driving chip and a second driving chip; The first pins of all the light emitting lamp beads in the same row are arranged in series and connected to an output pin of the first driving chip; The second pins of all the light emitting lamp beads in the same row are arranged in series and connected to an output pin of the second driving chip; The first pins of the light emitting lamp beads located in different columns are connected to different output pins of the first driving chip.

4. The LED light board control method according to claim 3, characterized in that: The method of confirming the abnormal output pin of the driving chip corresponding to the abnormal light-emitting lamp bead based on the pin of the abnormal light-emitting lamp bead comprises: In response to the light emitting lamp beads located in the same column having a working abnormality, it is determined that the abnormality of the LED lamp board is a first abnormality type, wherein the first abnormality type is that an output pin of the first driving chip is short-circuited with an output pin of the second driving chip.

5. The LED light board control method according to claim 3, characterized in that: The method of confirming the abnormal output pin of the driving chip corresponding to the abnormal light-emitting lamp bead based on the pin of the abnormal light-emitting lamp bead comprises: In response to the light-emitting lamp beads located in different columns having operative abnormalities, it is determined that the abnormality of the LED lamp board is of a second abnormality type, wherein the second abnormality type is a short circuit between different output pins of the first driver chip or a short circuit between different output pins of the second driver chip.

6. The LED light board control method according to claim 1, characterized in that: The abnormal output pins include a first abnormal output pin, a second abnormal output pin and a third abnormal output pin, wherein the second abnormal output pin is located between the first abnormal output pin and the third abnormal output pin; The step of applying a preset voltage to the abnormal output pins to obtain a voltage difference between the abnormal output pins includes: Applying the preset voltage to the second abnormal output pin and the first abnormal output pin; In response to a voltage difference between the second abnormal output pin and the first abnormal output pin being equal to the preset voltage difference, the preset voltage is applied to the second abnormal output pin and the third abnormal output pin.

7. The LED light board control method according to claim 1, characterized in that: The step of applying a preset voltage to the abnormal output pins to obtain a voltage difference between the abnormal output pins includes: Based on the constant voltage output mode, applying the preset voltage to the abnormal output pins to obtain the voltage difference between the abnormal output pins; In response to the voltage difference not being equal to the preset voltage difference, a current value flowing through the abnormal output pin is increased.

8. An LED light panel control assembly, characterized in that: include: The LED lamp board is provided with a plurality of light-emitting lamp beads and a plurality of driving chips, each of the light-emitting lamp beads is provided with a plurality of pins, and each of the pins is connected to an output pin of the corresponding driving chip; The LED lamp board is used to identify the abnormally working light bead among the plurality of light beads; and based on the pins of the abnormally working light bead, identify the abnormal output pin of the driving chip corresponding to the abnormally working light bead; A voltage source is used to apply a preset voltage to the abnormal output pins to obtain a voltage difference between the abnormal output pins; in response to the voltage difference being equal to the preset voltage difference, stop applying the preset voltage to the abnormal output pins.

9. An electronic device, characterized in that: It comprises a memory and a processor coupled to each other, wherein the processor is used to execute program instructions stored in the memory to implement the LED light board control method as described in any one of claims 1-7.

10. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and the computer program can be executed by a processor to implement the LED light board control method according to any one of claims 1 to 7.

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