CN115714841A - LED display screen control method and device, LED display screen and system - Google Patents
LED display screen control method and device, LED display screen and system Download PDFInfo
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Abstract
The invention relates to a method and a device for controlling an LED display screen, the LED display screen and a system, wherein the method for controlling the LED display screen is applied to the LED display screen and comprises the following steps: acquiring a control code corresponding to a first display unit in the spliced screen and displaying the control code through the first display unit; the control codes of all the display units in the spliced screen are different and are used for identifying all the first display units; receiving a verification instruction sent by a remote controller, and acquiring a target control code in the verification instruction; and if the target control code is the same as the control code of the first display unit, controlling the first display unit to receive the regulation and control instruction sent by the remote controller and respond, otherwise, controlling the first display unit to shield the regulation and control instruction sent by the remote controller from not responding. The LED display screen control method can realize the respective independent control of each display unit in the spliced screen under the condition of only using a single common remote controller, is convenient to use and has lower realization cost.
Description
Technical Field
The invention relates to the field of display control, in particular to a method and a device for controlling an LED display screen, the LED display screen and a system.
Background
At present, an oversized display screen is required in some display or monitoring occasions, but due to the restriction of production process, transportation, installation and arrangement and other reasons, the size of a single LED (Light-Emitting Diode, LED for short) display screen cannot be too large, so that a plurality of display screens with conventional sizes are spliced into a whole oversized screen (such as a video wall) by adopting a combined splicing technology. When debugging each display screen to the concatenation screen, or certain display screen display shows unusually in the use, need regulate and control a certain display screen wherein through the remote controller usually, but because the concatenation of polylith display screen is comparatively inseparable, when the remote controller is controlled a display screen wherein, other display screens also can follow the response and lead to the maloperation.
In view of the above, research and development personnel propose the following various solutions: 1. the remote controller is close to the display screen to be controlled as much as possible, and the receiving ends of other display screens are shielded by the shielding object to avoid receiving the remote control signal; 2. a purpose-made remote controller is used, and each display screen is provided with a corresponding receiving head to realize respective control; 3. and a plurality of Bluetooth remote controllers are used, corresponding Bluetooth modules are configured for each display screen, and respective control is realized through Bluetooth one-to-one adaptation.
However, the above solutions all have different defects, and when the first solution is adopted, because the spliced screen is usually installed at a high position of the wall body, the remote controller is close to a single display screen or a shielding object is used for shielding a signal at a receiving end of the display screen, so that the problem of inconvenient operation exists; when the second solution is adopted, the number of receiving heads supported by the display system is limited, the use scenes of splicing a plurality of display screens cannot be met, and the cost of a special remote controller is high; when the third solution is adopted, a plurality of Bluetooth remote controllers need to be equipped, and a Bluetooth module needs to be configured for each display screen, so that the realization cost is high, and the plurality of remote controllers are not convenient to store. Therefore, the remote control solution of the single display screen in the spliced screen has the problems of inconvenient use and high implementation cost.
Disclosure of Invention
In order to solve the problems in the related art, embodiments of the present invention provide a method and an apparatus for controlling an LED display screen, and a system, where the method for controlling an LED display screen can separately control each display unit in a tiled screen only by using a single common remote controller, and is convenient to use and low in implementation cost.
According to a first aspect of the embodiments of the present invention, there is provided a method for controlling an LED display screen, which is applied to an LED display screen, the LED display screen includes a plurality of display units, the plurality of display units are spliced to form a spliced screen, the plurality of display units are respectively connected to a video signal distributor, receive a video signal source corresponding to the display unit and distributed by the video signal distributor, and display unit pictures, the plurality of unit pictures are spliced to form a complete spliced screen picture,
the LED display screen control method comprises the following steps:
acquiring a control code corresponding to a first display unit in a spliced screen and displaying the control code through the first display unit; the control codes of all the display units in the spliced screen are different, and the control codes are used for identifying all the first display units;
receiving a verification instruction sent by a remote controller, and acquiring a target control code in the verification instruction;
and if the target control code is the same as the control code of the first display unit, controlling the first display unit to receive and respond to the regulation and control instruction sent by the remote controller, otherwise, controlling the first display unit to shield the regulation and control instruction sent by the remote controller from not responding.
According to a second aspect of the embodiments of the present invention, there is provided an LED display screen, including: the method comprises the following steps: a processor, a memory and a display screen;
the memory is electrically connected with the processor through a communication bus;
wherein the memory stores a computer program adapted to be loaded by the processor and to perform the LED display screen control method according to the above embodiments.
According to a third aspect of the embodiments of the present invention, there is provided an LED display screen control system, including: the remote controller and the LED spliced screen; the LED spliced screen comprises a plurality of display units, the display units are spliced to form a spliced screen, the display units are respectively connected to a video signal distributor and used for receiving video signal sources which are distributed by the video signal distributor and correspond to the display units and displaying unit pictures, and the unit pictures are spliced to form a complete spliced screen picture;
the remote controller is used for regulating and controlling each display unit;
each of the display units is further adapted to,
acquiring a control code corresponding to a first display unit in a spliced screen and displaying the control code through the first display unit; the control codes of all the display units in the spliced screen are different, and the control codes are used for identifying all the first display units;
receiving a verification instruction sent by a remote controller, and acquiring a target control code in the verification instruction;
and if the target control code is the same as the control code of the first display unit, controlling the first display unit to receive and respond to the regulation and control instruction sent by the remote controller, otherwise, controlling the first display unit to shield the regulation and control instruction sent by the remote controller from not responding.
According to a fourth aspect of the embodiments of the present invention, there is provided a computer-readable storage medium, on which a computer program is stored, the computer program, when executed by a processor, implementing the LED display screen control method according to any one of the above embodiments.
By the technical scheme, the corresponding identification codes are acquired and displayed through the display units, a user can check the identification codes and send verification instructions through the remote controller, the only verified display unit can receive the regulation and control instructions of the remote controller and respond, the display units which do not pass the verification do not respond to the regulation and control instructions of the remote controller, and accordingly the display units in the spliced screen can be controlled independently and respectively under the condition that only a single common remote controller is used.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of an LED display screen control system according to an embodiment of the present invention;
FIG. 2 is a flow chart illustrating a method for controlling an LED display screen according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating a step S1 of a method for controlling an LED display screen according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an LED display screen control device according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an LED display screen according to an embodiment of the present invention;
fig. 6 is a display effect diagram of an LED tiled screen according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present invention. The word "if/if" as used herein may be interpreted as "at … …" or "at … …" or "in response to a determination", depending on the context.
In some applications requiring an oversized display screen in a display or monitoring situation, because the size of a single display screen is limited, a plurality of display screens with conventional sizes can be spliced into a whole oversized screen (such as a video wall) by adopting a combined splicing technology. When debugging each display screen to the concatenation screen, or when certain display screen shows unusually in the use, need regulate and control a certain display screen wherein through the remote controller usually, but because the concatenation of polylith display screen is comparatively inseparable, when the remote controller is controlled a display screen wherein, other display screens also can follow the response and lead to the maloperation. Based on the problems, research and development personnel propose various solutions, but all have different defects, such as insufficient convenience in use and high implementation cost.
In view of the above technical problems, an embodiment of the present invention is directed to providing a method for controlling an LED display screen, which can realize separate control of each display unit in a tiled screen under the condition of using only a single common remote controller, and is convenient to use and low in implementation cost.
An application scenario of the LED display screen control method in the embodiment of the present invention is an LED tiled screen control system, please refer to fig. 1, and fig. 1 is a schematic structural diagram of an LED display screen control system according to an embodiment of the present invention.
The LED tiled screen control system comprises an LED tiled screen 100 and a remote controller 200, wherein the LED tiled screen 100 can be a video wall formed by splicing a plurality of display units 101. The LED spliced screen comprises a plurality of display units, the display units are spliced to form the spliced screen, the display units are connected to the video signal distributor respectively, the video signal sources distributed by the video signal distributor and corresponding to the display units are received, unit pictures are displayed, and the unit pictures are spliced to form complete spliced screen pictures.
In an alternative embodiment, the video signal distributor only duplicates the video source signal into a plurality of identical clone video signals and distributes each clone video signal to each display unit, and each display unit receives the clone video signals and intercepts corresponding unit pictures for display according to the position information in the mosaic screen.
Each display unit 101 in the LED tiled screen 100 can receive a verification instruction sent by the remote controller 200 to verify the identity of the display unit, and can receive a regulation instruction sent by the remote controller 200 to make a corresponding response.
The display unit 101 may be a display screen, or may be formed by splicing a plurality of display screens. The display unit 101 may be a touch screen display screen or a non-touch display screen, and when the display unit 101 is a touch screen, it may be an inductive display device, and according to the working principle of the touch screen and the difference of the media for transmitting information, the touch screen may be divided into four categories: resistance type, capacitance induction type, infrared type, surface acoustic wave type, and the like; when the display unit 101 is a non-touch screen, it may be an LED display screen, an LCD display screen, or other display screens.
The remote controller 200 may be an infrared remote controller, a 2.4G remote controller, a radio frequency remote controller, or a smart remote controller capable of networking. The remote controller 200 comprises a shell, a plurality of keys are mounted on the outer surface of the shell, a microprocessor and a sending module are arranged inside the shell, a control signal can be generated when a user presses each key and transmitted to the microprocessor, the microprocessor receives the control signal, generates a control instruction and sends the control instruction to the processors of the display units through the sending module, or sends the control instruction to the processors for controlling the display of the display units. In this embodiment, the remote controller 200 is provided with an application start key for starting an application program of the display unit, or an original key is used for starting the application program of the display unit; the remote controller 200 is provided with a refresh key for inputting a control code refresh command, or a certain original key is used for inputting a control code refresh command; the remote controller 200 is provided with an encoding key for inputting a control code.
The following description will be given by way of specific examples.
According to a first aspect of the embodiments of the present invention, an LED display screen control method is disclosed, which is applied to an LED display screen, and in particular to each display unit in an LED tiled screen of an LED display screen control system, where the display unit may implement the LED display screen control method of the present application in a pure software manner, or in a manner of combining software and hardware. In this embodiment, each display unit of the LED tiled screen can receive a remote control signal sent by the remote controller and execute a corresponding response.
Referring to fig. 2, fig. 2 is a flowchart illustrating a method for controlling an LED display according to an embodiment of the present invention.
The control method of the LED display screen in the embodiment is applied to the LED display screen and comprises the following steps:
step S1: acquiring a control code corresponding to a first display unit in a spliced screen and displaying the control code through the first display unit; the control codes of all the display units in the spliced screen are different, and the control codes are used for identifying all the first display units.
In this embodiment, because the LED tiled screen is a video wall formed by combining a plurality of display units, identification information corresponding to each display unit needs to be known, and each display unit can be distinguished, so that a user can select a corresponding display unit to regulate and control according to a requirement, and thus the control code is a control code for identifying or verifying identity information of the display unit.
In this embodiment, a current display unit to be regulated in the tiled screen is used as the first display unit, and other display units are used as the second display units.
And acquiring and displaying the control code corresponding to the first display unit for the user to check, and facilitating the input of the corresponding control code to carry out identity verification on the appointed first display unit.
The control code may be composed of each digital code, or composed of numbers and English letters, or may be an icon capable of identifying the identity of the display unit, or may be other codes capable of identifying the identity of the display unit, and the user can operate the keys of the remote controller to input the corresponding verification instructions by looking up the control code. Optionally, the control code is a control code composed of a plurality of digits. And the control codes of all the display units in the spliced screen are different.
In an alternative embodiment, please refer to fig. 3, wherein fig. 3 is a flowchart illustrating a step S1 of a method for controlling an LED display screen according to an embodiment of the present invention.
Step S1, acquiring a control code corresponding to a first display unit in a spliced screen and displaying the control code through the first display unit, including:
s11: and responding to the starting operation of the application program of the first display unit, and generating a control code corresponding to the first display unit.
Alternatively, the starting operation of the application program corresponding to the first display unit may be a starting operation of the application program corresponding to the first display unit, which is input by a user through a remote controller, for example, the user presses a designated key on the remote controller to start the application program of the display unit.
Optionally, the operation of starting the application program in response to the first display unit may also be a start operation of the application program in response to a user input through a touch screen, for example, when the display unit is a touch screen, the user touches a control of the application program in the display unit to start the application program.
Optionally, the starting operation of the application program in response to the first display unit may also be an automatic starting of the application program when the first display unit is powered on.
The application program starting operation realized by various modes can be used as the trigger operation for generating the control code corresponding to the first display unit, and the application program is more flexible in starting operation, more in selectivity and more intelligent. And the control code generated by triggering is used for identifying the identity information of the first display unit, so that the subsequent identity verification is facilitated.
S12: and displaying the control code through a first display unit.
The control code that first display element shows is its own control code, and the control code that other display elements show is the corresponding control code of other second display elements for the identity information of other second display elements of sign, so that subsequent authentication.
In an optional embodiment, the acquiring a control code corresponding to a first display unit in a tiled screen and displaying the control code through the first display unit includes: and responding to a control code refreshing instruction sent by a remote controller, generating a control code corresponding to the first display unit and displaying the control code through the first display unit. Therefore, the user can conveniently control and refresh the control codes of all the display units through the remote controller, and the display units can be conveniently reselected for regulation and control.
Optionally, the control code refresh command sent by the remote controller may be: and a control code refreshing instruction generated by a control code refreshing operation input by a user through a refreshing key on the remote controller.
In an optional embodiment, the control code includes display unit identifiers corresponding to the display units of the same tiled screen, and the display unit identifiers of the same tiled screen are different for distinguishing the display units of the same tiled screen. Optionally, the display unit identifier may be a randomly generated display unit identifier, or a preset display unit identifier.
In an optional embodiment, the acquiring a control code corresponding to a first display unit in the tiled screen includes: and randomly generating a control code corresponding to the first display unit according to a preset random code generation algorithm, namely randomly generating a display unit identifier corresponding to the first display unit according to the preset random code generation algorithm.
In an optional embodiment, the acquiring a control code corresponding to a first display unit in the tiled screen includes: and acquiring the display unit identification of the first display unit randomly distributed by the control unit in the spliced screen according to a preset random code generation algorithm.
In the above way, the display unit identification is obtained by different methods, so that the adaptability of the control method of the LED display screen is improved.
In this embodiment, the display unit identifier is a unit identifier code composed of four randomly generated digits. Different unit identification codes are obtained and displayed through the display units, so that the user can conveniently check the unit identification codes, and the user can conveniently select the corresponding display unit to regulate and control according to the requirement.
In an optional embodiment, if a plurality of display units of the LED tiled screen form a display screen group, the LED tiled screen includes a plurality of display screen groups, and in order to distinguish each display screen group, the control code may be a group identifier corresponding to the plurality of display units of the tiled screen, and each of the group identifiers of the same tiled screen are different. Different group identification is obtained and showed through each display screen group, and the user of being convenient for looks over to the user of being convenient for selects the display screen group that corresponds according to the demand to regulate and control, it is comparatively convenient. Optionally, the group identifier may be a randomly generated group identifier, or a preset group identifier.
In an optional embodiment, the acquiring a control code corresponding to a first display unit in the tiled screen includes: and randomly generating a control code corresponding to the plurality of first display units according to a preset random code generation algorithm, namely randomly generating a group identifier corresponding to the plurality of first display units according to the preset random code generation algorithm. In addition, the acquiring a control code corresponding to a first display unit in the tiled screen includes: and acquiring the group identification of the first display unit randomly distributed by the control unit in the spliced screen according to a preset random code generation algorithm. The group identification is obtained by different methods, so that the adaptability of the LED display screen control method is improved.
In order to prevent the identification codes generated by the respective display units from being duplicated and causing selection confusion to the user, in an alternative embodiment, the step S1 includes:
generating a local identification code corresponding to the display unit, wherein the local identification code is used for identifying the identity of the display unit, so that a user can conveniently check and select the display unit to be regulated and controlled;
establishing connection with other display units of the spliced screen to acquire identification codes of the other display units;
and acquiring the identification codes of other display units so as to verify whether the local identification code is repeated with the identification codes of other display units, so as to avoid causing trouble to the selection of the user.
And checking each identification code with the local identification code, and if each identification code is the same as the local identification code, updating and displaying the local identification code. Therefore, each display unit of the LED spliced screen can display different identification codes, and a user can conveniently distinguish and select the display unit to be regulated and controlled.
Optionally, if each identification code is the same as the local identification code, an identification code resetting instruction can be generated and sent to other display units, so that the other units can reset the corresponding identification codes, and thus each display unit of the LED splicing screen can display different identification codes, and a user can conveniently distinguish and select the display unit to be regulated and controlled.
Step S2: and receiving a verification instruction sent by a remote controller, and acquiring a target control code in the verification instruction.
In this embodiment, after the user views the control codes of the display units, the user can select the display unit through the keys of the remote controller. The remote controller generates a verification instruction according to the selected operation of the user, wherein the verification instruction comprises a unique target control code corresponding to the display unit. The display unit receives the verification instruction, analyzes the verification instruction to obtain the target control code, so that the target control code and the control code of the display unit are checked to achieve the purpose of identity verification, and a user can select the appointed display unit to regulate and control conveniently.
In an alternative embodiment, the control code comprises a group identification and/or a display unit identification; the target control code comprises a target group identifier and/or a target display unit identifier;
the step after the target control code in the verification instruction is acquired comprises the following steps:
acquiring a target group identification in the target control code, and judging whether the target group identification is the same as the group identification of the control code; and/or acquiring a target display unit identifier in the target control code, and judging whether the target display unit identifier is the same as the display unit identifier of the control code.
Through the setting of group identification and display unit identification, a user can conveniently select and regulate the unique display unit or a plurality of display units simultaneously, the use flexibility of the LED display screen control method is improved, and the LED display screen control method is easier to realize.
And step S3: and if the target control code is the same as the control code of the first display unit, controlling the first display unit to receive and respond to the regulation and control instruction sent by the remote controller, otherwise, controlling the first display unit to shield the regulation and control instruction sent by the remote controller from not responding.
In this embodiment, if the target control code is the same as the control code of the display unit, it indicates that the local computer is the display unit to be regulated and controlled selected by the user, and receives a regulation and control instruction sent by the remote controller and makes a corresponding response.
If the target control code is different from the control code of the display unit, the display unit with the regulation and control function is not selected by the user, and the regulation and control instruction sent by the remote controller is shielded from responding.
In an optional embodiment, the shielding the control instruction sent by the remote controller does not respond, including: and if the target control code is different from the control code of the first display unit, directly discarding the regulation and control instruction sent by the remote controller.
In other embodiments, the shielding the control instruction sent by the remote controller does not respond, including: and receiving a regulation and control instruction sent by the remote controller, and preventing the first display unit from executing the regulation and control instruction.
The method for shielding the non-response of the regulation and control instruction sent by the remote controller can be realized through the two modes, and the flexibility of the shielding method is improved.
In order to facilitate the user to know whether the verification is successful, that is, whether the remote controller and the display unit to be regulated and controlled are successfully paired, in an optional embodiment, if the target control code is the same as the control code of the display unit, the control instruction sent by the remote controller is received and a verification passing prompt is sent when the control instruction is responded, and if the control instruction is the same as the control code of the display unit, a popup window is used to display a PASS word; otherwise, shielding the control instruction sent by the remote controller from not responding, and sending out a verification failure prompt, such as displaying an 'NG' word through a popup window.
In the process of regulating and controlling each display unit of the spliced screen, when one display unit is regulated and controlled and the next display unit is required to be regulated and controlled, or when the control codes of each display unit are repeated, the control codes can be refreshed by controlling the remote controller. The first display unit receives a control code refreshing instruction sent by the remote controller, refreshes the control code and displays the control code, so that a user can conveniently select other display units to regulate and control according to the refreshed control code.
The remote controller is provided with a refreshing key for inputting a control code refreshing operation, and a user can refresh the control codes of all the display units of the LED spliced screen through the refreshing key, so that the user can select the display unit to be controlled again to continue to control conveniently.
According to the technical scheme, the corresponding identification codes are acquired and displayed through the display units, a user can check the identification codes and send verification instructions through the remote controller, the only verified display unit can receive the regulation and control instructions of the remote controller and respond, the display units which do not pass the verification do not respond to the regulation and control instructions of the remote controller, and accordingly the display units in the spliced screen can be independently controlled respectively under the condition that only a single common remote controller is used, the use is convenient, and the implementation cost is low.
According to a second aspect of the embodiments of the present invention, an LED display screen control device is disclosed, which can be used to execute the content of the LED display screen control method according to the embodiments of the present application, and has corresponding functions and advantages. For details not disclosed in the embodiments of the LED display screen control device of the present application, please refer to the content of the LED display screen control method of the present application.
Referring to fig. 4, fig. 4 is a schematic structural diagram of an LED display screen control device according to an embodiment of the present invention.
The LED display screen control apparatus 400 includes:
the display module 410 is configured to acquire a control code corresponding to a first display unit in the tiled screen and display the control code through the first display unit; the control codes of all the display units in the spliced screen are different;
an obtaining module 420, configured to receive a verification instruction sent by a remote controller, and obtain a target control code in the verification instruction;
and the execution module 430 is configured to control the first display unit to receive and respond to the control instruction sent by the remote controller if the target control code is the same as the control code of the first display unit, and otherwise control the first display unit to shield the control instruction sent by the remote controller from not responding.
The display unit of this embodiment, through acquireing corresponding identification code and showing, make the user can look over each identification code and send the verification instruction through the remote controller, make the only display element who passes through the verification can receive the regulation and control instruction of remote controller and make a response, and the display element who verifies not pass through then does not make a response to the regulation and control instruction of remote controller, thereby can only use under the condition of single ordinary remote controller, realize each display element difference independent control in the concatenation screen, high durability and convenient use, and the realization cost is lower.
It should be noted that, when the LED display screen control apparatus provided in the foregoing embodiment executes the LED display screen control method, only the division of the functional modules is taken as an example, and in practical applications, the function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules, so as to complete all or part of the functions described above. In addition, the LED display screen control device and the LED display screen control method provided in the above embodiments belong to the same concept, and the detailed process thereof is described in the embodiments and is not described herein again.
According to a third aspect of the embodiment of the present invention, an LED display screen 500 is provided, please refer to fig. 5, and fig. 5 is a schematic structural diagram of an LED display screen according to an embodiment of the present invention.
The LED display screen 500 includes: a processor 501, a memory 502, and a display device 503; the memory 502 is electrically connected with the processor 501 through a communication bus;
wherein the memory 502 stores a computer program adapted to be loaded by the processor 501 and to perform the LED display screen control method according to the above embodiments.
The LED display screen 500 further includes a remote control signal receiving device 504, the remote control signal receiving device 504 is electrically connected to the processor 501, transmits a received remote control signal sent by the remote controller to the processor 501, and executes a corresponding response, such as receiving a verification instruction to perform identity verification on the display unit, or receiving a regulation instruction to regulate and control the display unit;
the display device 503 receives the display signal of the processor 501 to display a corresponding picture.
According to a fourth aspect of the embodiments of the present invention, there is provided an LED display screen control system, including: the remote controller 200 and the LED spliced screen 100; the LED tiled screen 100 comprises a plurality of display units 101, the display units are tiled to form a tiled screen, the display units are respectively connected to a video signal distributor and used for receiving video signal sources distributed by the video signal distributor and corresponding to the display units and displaying unit pictures, and the unit pictures are tiled to form a complete tiled screen picture;
the remote controller is used for regulating and controlling each display unit;
each of said display units is further adapted to,
acquiring a control code corresponding to a first display unit in a spliced screen and displaying the control code through the first display unit; the control codes of all the display units in the spliced screen are different, and the control codes are used for identifying all the first display units;
receiving a verification instruction sent by a remote controller, and acquiring a target control code in the verification instruction;
and if the target control code is the same as the control code of the first display unit, controlling the first display unit to receive and respond to the regulation and control instruction sent by the remote controller, otherwise, controlling the first display unit to shield the regulation and control instruction sent by the remote controller from not responding.
Referring to fig. 6, fig. 6 is a diagram illustrating a display effect of an LED tiled screen according to an embodiment of the present invention.
The display units respectively display unit pictures, and the unit pictures are spliced to form a complete spliced screen picture, namely the unit picture only comprises partial pixels of the spliced screen picture.
The LED spliced screen is a receiving end of a remote control signal and comprises a plurality of display units spliced with each other, the display units can be display screens, each display screen comprises at least one processor, at least one memory and a communication bus, and the communication bus is used for realizing connection and communication among the components.
The processor receives the video signal source which is distributed by the video distributor and corresponds to the display unit, generates a display signal and sends the display signal to a display screen; and the display screen receives the display signal and displays the corresponding unit picture.
The display unit also comprises a remote control signal receiving device, and the remote control signal receiving device receives the regulation and control signal of the remote controller and executes corresponding functions.
In an alternative embodiment, the video signal distributor only duplicates the video source signal into a plurality of identical clone video signals and distributes each clone video signal to each display unit, and each display unit receives the clone video signals and intercepts corresponding unit pictures for display according to the position information in the mosaic screen.
The processor may include one or more processing cores, among others. The processor, using various interfaces and lines to connect various parts throughout the smart device, performs various functions of the smart device and processes data by executing or executing instructions, programs, code sets, or instruction sets stored in the processor, and calling data stored in the memory. Alternatively, the processor may be implemented in at least one hardware form of Digital Signal Processing (DSP), field-Programmable Gate Array (FPGA), and Programmable Logic Array (PLA). The processor may integrate one or more of a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), a modem, and the like. Wherein, the CPU mainly processes an operating system, a user interface, an application program and the like; the GPU is used for rendering and drawing the content required to be displayed by the display screen; the modem is used to handle wireless communications. It is to be understood that the modem may be implemented by a single chip without being integrated into the processor.
The Memory may include a Random Access Memory (RAM) or a Read-Only Memory (Read-Only Memory). Optionally, the memory includes a non-transitory computer-readable medium. The memory may be used to store an instruction, a program, code, a set of codes, or a set of instructions. The memory may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing the various method embodiments described above, and the like; the storage data area may store data and the like referred to in the above respective method embodiments. The memory may alternatively be at least one memory device located remotely from the aforementioned processor. The memory, which is a type of computer storage medium, may include an operating system, a network communication module, a user interface module, and an operating application for the smart device.
The display unit can be used for executing the content of the LED display screen control method corresponding to the embodiment of the application, and has corresponding functions and beneficial effects.
According to a fifth aspect of the embodiments of the present invention, there is provided a computer-readable storage medium, on which a computer program is stored, wherein the computer program, when executed by a processor, implements the relevant operations in the LED display screen control method according to any one of the above embodiments, and has corresponding functions and advantages.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present application and the technical principles employed. It will be understood by those skilled in the art that the present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the application. Therefore, although the present application has been described in more detail with reference to the above embodiments, the present application is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the appended claims.
Claims (10)
1. A control method of an LED display screen is applied to the LED display screen, the LED display screen comprises a plurality of display units, the display units are spliced to form a spliced screen, the display units are respectively connected to a video signal distributor, receive video signal sources which are distributed by the video signal distributor and correspond to the display units, display unit pictures, and the unit pictures are spliced to form a complete spliced screen picture,
the LED display screen control method comprises the following steps:
acquiring a control code corresponding to a first display unit in a spliced screen and displaying the control code through the first display unit; the control codes of all the display units in the spliced screen are different, and the control codes are used for identifying all the first display units;
receiving a verification instruction sent by a remote controller, and acquiring a target control code in the verification instruction;
and if the target control code is the same as the control code of the first display unit, controlling the first display unit to receive and respond to the regulation and control instruction sent by the remote controller, otherwise, controlling the first display unit to shield the regulation and control instruction sent by the remote controller from not responding.
2. The method for controlling the LED display screen according to claim 1, wherein the obtaining of the control code corresponding to the first display unit in the tiled screen and the displaying of the control code through the first display unit comprises:
responding to the starting operation of the application program of the first display unit, generating a control code corresponding to the first display unit and displaying the control code through the first display unit;
alternatively, the first and second electrodes may be,
and responding to a control code refreshing instruction sent by a remote controller, generating a control code corresponding to the first display unit and displaying the control code through the first display unit.
3. The LED display screen control method according to claim 1,
the control code comprises a group identifier and/or a display unit identifier; the target control code comprises a target group identifier and/or a target display unit identifier;
the step after the target control code in the verification instruction is obtained comprises the following steps:
acquiring a target group identification in the target control code, and judging whether the target group identification is the same as the group identification of the control code;
and/or the presence of a gas in the atmosphere,
and acquiring a target display unit identifier in the target control code, and judging whether the target display unit identifier is the same as the display unit identifier of the control code.
4. The LED display screen control method according to claim 1, wherein the shielding of the control command sent by the remote controller from non-response comprises:
if the target control code is different from the control code of the first display unit, directly discarding the regulation and control instruction sent by the remote controller;
alternatively, the first and second electrodes may be,
and receiving a regulation and control instruction sent by the remote controller, and preventing the first display unit from executing the regulation and control instruction.
5. The LED display screen control method of claim 1,
if the target control code is the same as the control code of the first display unit, receiving a regulation and control instruction sent by a remote controller and sending a verification passing prompt when responding; and otherwise, shielding the regulation and control instruction sent by the remote controller from not responding, and sending a verification failure prompt.
6. The LED display screen control method according to any one of claims 1 to 5, wherein the obtaining of the control code corresponding to the first display unit in the tiled screen comprises:
randomly generating a control code corresponding to the first display unit according to a preset random code generation algorithm;
alternatively, the first and second electrodes may be,
and acquiring the control code of the first display unit randomly distributed by the control unit in the spliced screen according to a preset random code generation algorithm.
7. An LED display screen, comprising: a processor, a memory and a display screen;
the memory is electrically connected with the processor through a communication bus;
wherein the memory stores a computer program adapted to be loaded by the processor and to perform the LED display screen control method according to any one of claims 1 to 6.
8. An LED display screen control system, comprising: the remote controller and the LED spliced screen; the LED spliced screen comprises a plurality of display units, the display units are spliced to form a spliced screen, the display units are respectively connected to a video signal distributor and used for receiving video signal sources which are distributed by the video signal distributor and correspond to the display units and displaying unit pictures, and the unit pictures are spliced to form a complete spliced screen picture;
the remote controller is used for regulating and controlling each display unit;
each of said display units is further adapted to,
acquiring a control code corresponding to a first display unit in a spliced screen and displaying the control code through the first display unit; the control codes of all the display units in the spliced screen are different, and the control codes are used for identifying all the first display units;
receiving a verification instruction sent by a remote controller, and acquiring a target control code in the verification instruction;
and if the target control code is the same as the control code of the first display unit, controlling the first display unit to receive and respond to the regulation and control instruction sent by the remote controller, otherwise, controlling the first display unit to shield the regulation and control instruction sent by the remote controller from not responding.
9. The LED display screen control system of claim 8, wherein the first display unit comprises a processor, a memory, and a display screen; the memory and the display screen are electrically connected with the processor;
the processor receives the video signal source which is distributed by the video distributor and corresponds to the display unit, generates a display signal and sends the display signal to a display screen;
and the display screen receives the display signal and displays the corresponding unit picture.
10. A computer-readable storage medium, on which a computer program is stored, which computer program, when being executed by a processor, carries out the LED display screen control method according to any one of claims 1 to 6.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110966255.3A CN115714841A (en) | 2021-08-23 | 2021-08-23 | LED display screen control method and device, LED display screen and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110966255.3A CN115714841A (en) | 2021-08-23 | 2021-08-23 | LED display screen control method and device, LED display screen and system |
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| CN202110966255.3A Pending CN115714841A (en) | 2021-08-23 | 2021-08-23 | LED display screen control method and device, LED display screen and system |
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| CN (1) | CN115714841A (en) |
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