LED multicolor display screen control device with external controller
By using an external controller design, the LED display screen is separated from the control device, which solves the problems of high maintenance costs and insufficient system scalability in the existing technology. It realizes independent control and signal transmission, supports voice control and music rhythm functions, and meets the advanced needs of users.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-03-10
AI Technical Summary
Existing LED displays suffer from high maintenance costs, insufficient system scalability, and limitations in voice control and hardware-based music rhythm functions.
The external controller design separates the control device from the LED color display screen. It achieves independent control and signal transmission by powering through the input connector, coordinating control signals through IoT components, generating drive signals through the drive components, and transmitting signals through the connector.
It reduces maintenance complexity and cost, improves system scalability and applicability, enables convenient control and efficient operation, and supports voice control and hardware music rhythm functions.
Smart Images

Figure CN223986410U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to display screen technical field, concretely relates to a LED rainbow display screen control device of external controller. BACKGROUND
[0002] With the development of intelligent technology, LED display screen as an important visual display tool is gradually applied to car windows, building glass and other scenes for displaying rich content such as text, animation and pictures. The traditional LED display screen usually covers the screen main body with protective film to adapt to various transparent surfaces, especially when installing on the car window, the dynamic effect on the LED display screen can be clearly seen by external personnel.
[0003] At present, the LED display screen widely used in the market usually adopts the built-in controller structure, that is, the control device is directly integrated in the interior of the LED display screen, and only used as power supply through the USB or Type-C interface. This technical scheme can complete the basic display function, but has the following significant defects: first, high maintenance cost: since the control device and the LED display screen are integrated design, once the control device fails, the whole screen often needs to be damaged to repair or replace, resulting in high maintenance cost; second, insufficient expansion capability: the built-in controller can only control one display screen, the controller and the screen body are closely bound, and the scene of one control device driving multiple display screens cannot be realized, which limits the flexibility and application range of the system; third, limited function: since the control component is covered by the film, the microphone cannot be exposed, so the voice control and music rhythm function cannot be realized, which makes the LED display screen insufficient in intelligence and interactivity, and it is difficult to meet the higher order user demand.
[0004] Therefore, the existing LED display screen has the problems of high maintenance cost, insufficient system expansion and limited voice control and hardware music rhythm function, which need to be solved urgently. INVENTION CONTENT
[0005] Therefore, the utility model embodiment provides a LED rainbow display screen control device of external controller to solve the problems of high maintenance cost, insufficient system expansion and limited voice control and hardware music rhythm function of the existing LED display screen.
[0006] In order to realize the above purpose, the utility model embodiment provides the following technical scheme:
[0007] A LED rainbow display screen control device of external controller, characterized in that the device comprises an input connector, an external controller, a connecting head and a LED rainbow display screen.
[0008] The external controller includes a power supply component, an Internet of Things (IoT) component, and a drive component.
[0009] Optionally, the input terminal of the input connector is connected to an external power supply;
[0010] The connector is a TYPE-C connector or a wire bonding connection;
[0011] The external controller also includes a voice control component, a microphone, and a microphone circuit.
[0012] The input terminal of the power supply component is connected to the output terminal of the input connector, and the output terminal of the power supply component is connected to the power supply terminals of the IoT component, the driving component, and the voice control component, respectively. The power supply component is used to convert the power supply voltage output by the input connector into a first voltage and provide the first voltage to the IoT component, the driving component, and the voice control component.
[0013] The output terminal of the microphone is connected to the input terminal of the microphone circuit, the output terminal of the microphone circuit is connected to the input terminal of the voice control component, the output terminal of the voice control component is connected to the input terminal of the Internet of Things (IoT) component, and the output terminal of the IoT component is connected to the input terminal of the driving component. The voice control component processes the voice signal to obtain a control signal corresponding to the voice signal, and the IoT component transmits the control signal to the driving component so that the driving component generates a driving signal based on the control signal.
[0014] The output end of the driving component is connected to the LED color display screen through the connector;
[0015] The device is used to control an LED color display screen. Smart devices, apps, voice commands, and remote controls send specific data to the controller. The controller processes the data and outputs it to the LED color display screen. The LED color display screen displays corresponding animations based on the data sent by the controller. The controller and the LED color display screen are connected via a connector.
[0016] Optionally, the LED color display screen includes color LED beads, which receive the driving signal through a single signal line structure.
[0017] Optionally, the external controller is connected to the LED color display screen via a three-wire structure, which includes a positive power supply, a negative power supply, and a signal line.
[0018] Optionally, the IoT component may include a WiFi module or a Bluetooth module.
[0019] Optionally, the voice control component processes the voice signal using offline voice recognition technology to obtain the control signal corresponding to the voice signal.
[0020] Optionally, the driving component communicates with the LED color display screen via the SPI signal protocol.
[0021] Optionally, the number of LED color display screens is at least two, and each LED color display screen is connected to the driving component or the previous LED color display screen through a three-wire structure.
[0022] Optionally, the microphone circuit includes a signal filtering circuit and a noise reduction processing circuit. The input terminal of the signal filtering circuit is connected to the output terminal of the microphone, the output terminal of the signal filtering circuit is connected to the input terminal of the noise reduction processing circuit, and the output terminal of the noise reduction processing circuit is connected to the input terminal of the voice control component.
[0023] This utility model has at least the following beneficial effects:
[0024] This invention provides an LED color display control device with an external controller. By separating the control device from the LED color display through an external controller design, independent control and signal transmission are achieved through power supply via an input connector, coordination of control signals via IoT components, generation of drive signals by a drive component, and signal transmission via a connector. This design effectively solves the problem of high maintenance costs caused by the integrated design of the control device and display screen in existing technologies. The separate structure allows for independent replacement of the controller and display screen, reducing maintenance complexity and costs. Simultaneously, the modular design of the external controller makes signal processing and transmission more efficient, avoiding the structural limitations of built-in designs. The overall solution simplifies the connection method and maintenance process, improves the reliability and applicability of the equipment, and meets the practical needs of convenient control and efficient operation. Attached Figure Description
[0025] To more clearly illustrate the prior art and the present invention, the accompanying drawings used in the description of the prior art and the embodiments of the present invention will be briefly introduced below. Obviously, the drawings described below are merely exemplary, and those skilled in the art can derive other drawings from the provided drawings without any creative effort.
[0026] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the conditions under which this utility model can be implemented. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.
[0027] Figure 1 A schematic diagram of the structure of an LED color display control device with an external controller provided in an embodiment of this utility model;
[0028] Figure 2 A circuit block diagram of an external controller and an LED color display screen provided for an embodiment of this utility model. Detailed Implementation
[0029] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.
[0030] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more. The terms "first," "second," "third," "fourth," etc. (if present), in the specification, claims, and accompanying drawings of this utility model are intended to distinguish the objects they refer to. For solutions with a sequential flow, this terminology need not be interpreted as describing a specific order or sequence; for solutions with device structures, this terminology does not distinguish between matters of importance or positional relationships.
[0031] Furthermore, the terms “comprising,” “having,” and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those steps or units that are expressly listed, but may also include other steps or units that are not expressly listed but are inherent to these processes, methods, products, or devices, or steps or units added based on further optimizations of the inventive concept.
[0032] like Figure 1 Figure 2 As shown, an LED color display control device with an external controller is disclosed. The device includes an input connector 1, an external controller 2, a connector 3, and an LED color display 4.
[0033] The external controller 2 includes a power supply component 5, an Internet of Things (IoT) component 6, and a drive component 7.
[0034] Optionally, the input terminal of the input connector 1 is connected to an external power supply;
[0035] The connector 3 is a TYPE-C connector or a wire bonding connection;
[0036] The external controller 2 also includes a voice control component 8, a microphone 10, and a microphone circuit 9;
[0037] The input terminal of the power supply component 5 is connected to the output terminal of the input connector 1, and the output terminal of the power supply component 5 is connected to the power supply terminals of the Internet of Things component 6, the driving component 7 and the voice control component 8 respectively. The power supply component 5 is used to convert the power supply voltage output by the input connector 1 into a first voltage and provide the first voltage to the Internet of Things component 6, the driving component 7 and the voice control component 8.
[0038] The output terminal of the microphone 10 is connected to the input terminal of the microphone circuit 9, the output terminal of the microphone circuit 9 is connected to the input terminal of the voice control component 8, the output terminal of the voice control component 8 is connected to the input terminal of the Internet of Things component 6, and the output terminal of the Internet of Things component 6 is connected to the input terminal of the driving component 7. The voice control component 8 is used to process the voice signal to obtain the control signal corresponding to the voice signal, and the Internet of Things component 6 is used to transmit the control signal to the driving component 7 so that the driving component 7 generates a driving signal based on the control signal.
[0039] The output end of the driving component 7 is connected to the LED color display screen 4 through the connector 3;
[0040] The device is used to control an LED color display screen. Smart devices, apps, voice commands, and remote controls send specific data to the controller. The controller processes the data and outputs it to the LED color display screen. The LED color display screen displays corresponding animations based on the data sent by the controller. The controller and the LED color display screen are connected via a connector.
[0041] In this embodiment, the LED color display screen 4 includes color LED beads, which receive the driving signal through a single signal line structure.
[0042] In this embodiment, the external controller 2 is connected to the LED color display screen 4 via a three-wire structure, which includes a positive power supply, a negative power supply, and a signal line.
[0043] In this embodiment, the IoT component 6 includes a WiFi module or a Bluetooth module.
[0044] In this embodiment, the voice control component 8 processes the voice signal using offline voice recognition technology to obtain the control signal corresponding to the voice signal.
[0045] In this embodiment, the driving component 7 communicates with the LED color display screen 4 via the SPI signal protocol.
[0046] In this embodiment, there are at least two LED color display screens 4, and each LED color display screen is connected to the driving component or the previous LED color display screen through a three-wire structure.
[0047] In this embodiment, the microphone circuit 9 includes a signal filtering circuit and a noise reduction processing circuit. The input terminal of the signal filtering circuit is connected to the output terminal of the microphone 10, the output terminal of the signal filtering circuit is connected to the input terminal of the noise reduction processing circuit, and the output terminal of the noise reduction processing circuit is connected to the input terminal of the voice control component 8.
[0048] This embodiment separates the control device from the LED color display screen through an external controller design. It achieves independent control and signal transmission functions by using an input connector for power supply, IoT components to coordinate control signals, drive components to generate drive signals, and connectors to transmit signals. This design effectively solves the problem of high maintenance costs caused by the integrated design of the control device and display screen in existing technologies. The separate structure allows for independent replacement of the controller and display screen, reducing maintenance complexity and costs. Simultaneously, the modular design of the external controller makes signal processing and transmission more efficient, avoiding the structural limitations of built-in designs. The overall solution simplifies the connection method and maintenance process, improves the reliability and applicability of the equipment, and meets the practical needs of convenient control and efficient operation.
[0049] In this embodiment, there are at least two LED color display screens 4, and each LED color display screen 4 is connected to the driving component 7 through a three-wire structure.
[0050] In one embodiment, the existing LED display screen covers the main body with a protective film that can be applied to various types of glass, such as car windows, allowing people outside to see the animations on the LED color display screen. The LED color display screen can display a wealth of content and can accept various information such as text, animations, and images.
[0051] Existing similar products: LED displays with built-in controllers, control devices built into LED color displays, and USB cables used only for power supply;
[0052] The shortcomings of existing technologies:
[0053] The control device is built into the LED color display screen. If it is damaged, the screen must be broken to repair it, which is costly.
[0054] One control device can only correspond to one LED color display screen. The screen body cannot be separated, so it is impossible to realize the scenario of one control device controlling two display screens.
[0055] Because the control components are on the screen, which is covered by a film, the microphone cannot be exposed, and voice control and hardware music rhythm functions cannot be realized.
[0056] This embodiment provides a control device for an externally controlled LED display screen. The device sends specific data to the controller via a smart device APP, voice commands, and a remote control. The controller processes the data and outputs it to the LED display screen, which then displays corresponding animations based on the data sent by the controller. The controller and LED display screen are connected via a Type-C interface, making it more convenient to use.
[0057] An external controller for an LED color display screen, through power supply components, IoT components, voice control components, and drive components, can transmit control data via APP, wireless remote control, and voice commands, making it easy to operate. Compared with built-in control devices, the external control device can output signals independently, can connect to two screens simultaneously, and is more convenient to connect to the screens.
[0058] Since the controller is exposed separately and does not require potting, the microphone can be integrated onto the controller to achieve the functions of voice control and hardware music rhythm.
[0059] The control device for an LED color display screen with an external controller provided in this embodiment consists of an input connector 1, an external controller 2, a connector 3, and an LED color display screen 4;
[0060] The input interface can be a USB connector or a wired connector; the input connector includes a connector and a cable; the wired connector includes a Type-C connector and a cable.
[0061] The external controller 2 includes a power supply component 5, an Internet of Things component 6, a drive component 7, a voice control component 8, a microphone circuit 9, and a microphone 10;
[0062] Figure 1 This is a structural diagram showing how an external controller connects to an LED display screen via a connector.
[0063] Figure 2 This is a block diagram of a control device for an LED color display screen with an external controller;
[0064] Smart devices: Devices with IoT capabilities and the ability to install apps, including but not limited to smartphones and smart tablets. Smart devices connect wirelessly to IoT components via wireless technology.
[0065] APP: Installed on smart devices, including but not limited to iOS, Android and HarmonyOS systems;
[0066] Power supply component: Connects to a power source via USB or Type-C. It converts the input high-voltage power into a constant low-voltage voltage to power IoT components, voice control components, and drive components. The connection between the power supply component and the input connector is a two-wire structure, with the positive and negative terminals for the power supply.
[0067] IoT Components: The IoT components are the core part, electrically connected to the drive components, voice control components, and power supply components. The IoT chip in the IoT circuit is responsible for data transmission and coordinating the operation of all circuit components. The IoT components communicate with smart devices, sending and receiving relevant control commands.
[0068] Voice control component: Electrically connected to IoT components, power supply components, and microphone circuit, responsible for processing voice signals and displaying corresponding animation effects based on voice commands.
[0069] Microphone circuit: electrically connected to the voice control unit and microphone; responsible for transmitting the signal received by the microphone to the voice control unit;
[0070] Microphone: Electrically connected to the microphone circuit, responsible for receiving analog sound signals;
[0071] Driver components: The driver circuit connects to the LED display screen. It transmits signals to the LED color display screen via signal lines.
[0072] LED RGB Display Screen: Electrically connected to the driving component, the connection line between the driving component and the LED RGB Display Screen is a 3-wire structure, including positive power supply, negative power supply, and signal line; the LED beads on the display screen are RGB LED beads, driven by SPI signal, with a single signal line structure.
[0073] This embodiment provides a control device for an externally controlled LED color display screen. Control commands can be sent to an IoT circuit via a wireless remote control, smart device, or offline voice. The IoT circuit then sends the control data to the drive circuit, which in turn sends the control data to the LED color display screen, which then displays relevant animation effects.
[0074] This embodiment features a simple and convenient structure, with the controller and display screen separated, enabling offline voice control and hardware-based music rhythm. Furthermore, the separate structure allows for individual replacement of both parts, facilitating after-sales service. Because the screen's signal cables are simple, the screen itself is easily modified, resulting in a variety of screen designs.
[0075] This device consists of a smart device, an external controller, an LED color display screen, input connectors, and connectors. The smart device includes an app; the external controller includes power supply components, IoT components, drive components, voice control components, microphone circuitry, and a microphone. The controller and display screen are separate components.
[0076] The controlled object in this embodiment is an LED RGB display screen. The display screen uses RGB LED beads, and the entire screen only requires one signal line. The connection between the controller and the screen is a 3-wire structure, including a positive power line, a negative power line, and a signal line.
[0077] This device contains IoT components, which can connect to a smartphone via an IoT chip and be controlled using an app. IoT chips include, but are not limited to, Wi-Fi and Bluetooth chips.
[0078] This device supports wireless remote control.
[0079] The controller of this device includes a voice control component and a microphone circuit. It picks up ambient sound through the microphone, and the lighting effects change according to the rhythm of the sound. Simultaneously, it detects a corresponding voice command through the microphone, and if the voice command matches the target voice command, it performs the corresponding operation. The voice control method is offline voice control.
[0080] The external controller connects to the LED display screen via a connector; it also connects to a power source via a connector or USB connector; this structure enables offline voice, remote control, and APP control of the LED display screen.
[0081] The embodiments described above merely illustrate specific implementations of this utility model, and while the descriptions are detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.
Claims
1. A kind of LED Fantan display screen control device of external controller, it is characterized in that, The device comprises an input joint (1), an external controller (2), a connecting head (3) and an LED fantasy display screen (4); The external controller (2) comprises a power supply component (5), an Internet of Things component (6) and a driving component (7); The input end of the input joint (1) is connected with an external power supply; The connecting head (3) is a TYPE-C joint or a wire bonding connection; The external controller (2) further comprises a voice control component (8), a microphone (10) and a microphone circuit (9); The input end of the power supply component (5) is connected with the output end of the input joint (1), the output end of the power supply component (5) is connected with the power supply end of the Internet of Things component (6), the driving component (7) and the voice control component (8) respectively, and the power supply component (5) is used for converting the power supply voltage output by the input joint (1) into a first voltage and providing the first voltage for the Internet of Things component (6), the driving component (7) and the voice control component (8); The output end of the microphone (10) is connected with the input end of the microphone circuit (9), the output end of the microphone circuit (9) is connected with the input end of the voice control component (8), the output end of the voice control component (8) is connected with the input end of the Internet of Things component (6), the output end of the Internet of Things component (6) is connected with the input end of the driving component (7), and the voice control component (8) is used for processing a voice signal to obtain a control signal corresponding to the voice signal, and the Internet of Things component (6) is used for transmitting the control signal to the driving component (7) so that the driving component (7) generates a driving signal based on the control signal; The output end of the driving component (7) is connected with the LED fantasy display screen (4) through the connecting head (3); The device is used for controlling an LED fantasy display screen, and specific data is sent to a controller by an intelligent device APP, a voice command and a remote controller, the controller processes the data and outputs the data to the LED fantasy display screen, the LED fantasy display screen displays a corresponding animation according to the data sent by the controller, and the controller and the LED fantasy display screen are connected through a connecting head.
2. The LED display screen control device of claim 1, wherein, The LED fantasy display screen (4) comprises fantasy lamp beads, and the fantasy lamp beads receive the driving signal through a single signal line structure.
3. The LED display screen control device of claim 1, wherein, The external controller (2) and the LED fantasy display screen (4) are connected through a three-wire structure, and the three-wire structure comprises a power supply positive pole, a power supply negative pole and a signal line.
4. The LED display screen control device of claim 1, wherein, The Internet of Things component (6) comprises a WiFi module or a Bluetooth module.
5. The LED display screen control device of claim 1, wherein, The voice control component (8) processes the voice signal through an offline voice recognition technology to obtain the control signal corresponding to the voice signal.
6. The LED display screen control device of claim 1, wherein, The driving component (7) and the LED fantasy display screen (4) communicate through an SPI signal protocol.
7. The LED display screen control device of claim 1, wherein, The number of the LED fantasy display screens (4) is at least two, and each LED fantasy display screen (4) is connected with the driving component (7) or a previous LED fantasy display screen through a three-wire structure.
8. The LED display screen control device of claim 1, wherein, The microphone circuit (9) comprises a signal filtering circuit and a noise reduction processing circuit, an input end of the signal filtering circuit is connected with an output end of the microphone (10), an output end of the signal filtering circuit is connected with an input end of the noise reduction processing circuit, and an output end of the noise reduction processing circuit is connected with an input end of the voice control component (8).