132 results about "Large screen display" patented technology

A display method includes a terminal that detects a first trigger event, and determines, based on the first trigger event, that a first application is in a large-screen display mode. The terminal obtains an internal element of a control on a first user interface. The terminal determines a scaling size of the element, and determines a layout of the internal element of the control based on the scaling size of the element and a screen size in the large-screen display mode. The terminal draws a second user interface based on the scaling size of the element and the layout of the internal element of the control, and displays the second user interface.

The invention relates to the technical field of data display, can be applied to business system platforms of financial science and technology, medical health and the like, and discloses a link monitoring large screen display method, device, equipment and medium, the method comprises the following steps: obtaining a plurality of visual components, performing component configuration on the plurality of visual components, and obtaining an initial configuration component library; obtaining component attributes of the initial configuration component library, and performing incremental updating on the component attributes to obtain component change attributes; obtaining an incremental component according to the component change attribute, performing component updating on the initial configuration component library by using the incremental component to obtain a target visual component library, and constructing a link monitoring large screen according to the target visual component library; obtaining link topology data, and performing link topology rendering on the link topology data to obtain target link data; and performing visual display on the target link data on the link monitoring large screen to obtain a data display result. According to the invention, high configurability and modularization of the link monitoring large screen can be realized.

The invention relates to the technical field of heat conduction and heat dissipation materials, and particularly discloses an efficient heat dissipation graphite material for LED large-screen display and a preparation method of the efficient heat dissipation graphite material. The efficient heat dissipation graphite material for LED large screen display comprises a graphene layer and a thin film coating, and the graphene layer comprises the following raw materials: 50-60 parts of graphite powder, 1-2 parts of nano silver, 25-30 parts of modified nano carbon fibers, 10-15 parts of modified sodium alginate, 3-6 parts of sodium carboxymethyl cellulose, 5-8 parts of a heat conduction agent and 3-5 parts of a plasticizer. The graphite material prepared by the invention has relatively good mechanical properties, heat dissipation performance and corrosion resistance, can meet high requirements of LED large screen display on heat dissipation performance, is widely applied to a heat dissipation system of LED large screen display, effectively reduces the temperature of an LED large screen, improves the display effect and prolongs the service life.

The invention discloses an image fusion enhancement method for a multi-signal-source liquid crystal splicing screen, and relates to the technical field of large-screen display control, and the method comprises the steps: building a virtual coordinate system taking a physical gap as a reference at an input end, carrying out the decoding, time synchronization and unified mapping of a multi-source heterogeneous signal, converting the multi-source heterogeneous signal into a unified color space, and carrying out the image fusion enhancement of the multi-signal-source liquid crystal splicing screen. The display consistency of different signal sources is ensured; then, a compensation model based on a brightness attenuation function is introduced into the splicing boundary area, edge pixel brightness is subjected to self-adaptive correction, and brightness unevenness caused by physical gaps is relieved; calculating the content complexity based on the row-level gradient magnitude in the fusion screen area, dynamically constructing a content-sensitive fusion weight, and carrying out weighted fusion on the images on the two sides to generate a transition image frame; and through joint output of the transition image frame and the original side image frame, visual seamless connection of the splicing gap area is realized. Therefore, the integral continuity and visual experience of tiled display are effectively improved while the image detail fidelity is ensured.

Embodiments of the multi-purpose interactive game room described herein are designed to create an immersive, dynamic gaming environment using various devices like large displays, laser emitters, RFID readers, cameras, and tracking systems. These components can work together to monitor and interact with players, adjusting gameplay based on their movements and actions. Large screens display game information and visuals, while laser emitters and RFID readers track player progress and actions. Touch screens provide a direct interface for players to control elements of the game. Cameras and player tracking systems use machine-learning algorithms to monitor player movements, allowing the game logic to adjust in real-time, creating a responsive and engaging experience. This setup supports a variety of games, including team-based or competitive scenarios, and can adapt to different player behaviors, offering a flexible and interactive environment tailored to different game modes and objectives.

The crabbing mode control method based on rear wheel steering comprises the steps that after a driver inputs an opening instruction through voice or a vehicle-mounted large screen, whether the opening condition of the crabbing mode is met or not is judged, if yes, the crabbing mode is started, and the vehicle-mounted large screen displays angle information of front and rear wheels in real time; and after entering the crabbing mode, acquiring the rotation angle of the front wheel in real time, and controlling the rear wheel to rotate in the same direction at the same angle along with the front wheel. The method has the advantages that the user experience, the safety and the reliability of crab mode work are improved through visual interaction control and safety control logic implementation of the crab mode.

The invention discloses a method and a device for displaying a large-screen picture of a master control room. The method comprises the following steps: S1, acquiring a group of monitoring pictures under any working condition; s2, dividing the large screen into a plurality of display sub-regions, and arranging the group of monitoring pictures in each display sub-region of the large screen so as to form a group of display pictures on the large screen; s3, obtaining a minimum display unit in the group of display pictures on the large screen; and S4, adjusting the display size of the minimum display unit on the large screen so as to determine a target minimum display unit meeting the optimal operation visual demand of the operator. According to the method and the device, the target minimum display unit in the large screen, which meets the optimal operation visual requirement of the operator, can be determined, so that the operator can conveniently and clearly check each display picture in the large screen in the picture display process of the large screen, and the coordination among the operators in a main control room is improved.

The invention relates to the technical field of monitoring systems, and discloses an asset full life cycle monitoring system and method, and the system comprises a production operation management module, a production scheduling monitoring module, a metering technology supervision management module, a metering asset full life cycle monitoring module, a large screen display module, an APP application module, a system auxiliary module, and a system support module. The output end of the production operation management module is connected with the input end of the production scheduling monitoring module, and the production scheduling monitoring module realizes operation control, laboratory environment monitoring, vehicle monitoring and production business analysis; the metering technology supervision and management module is connected with the metering asset full life cycle monitoring module; according to the invention, the transparency of the production process is enhanced, instant and visual production field information is provided for decision makers, rapid and accurate decision response is facilitated, and the intelligent level of production management is further improved.

The utility model discloses an integrated system host for controlling large-screen display, and relates to the technical field of large-screen display control systems. The backboard comprises a backboard module, the inner wall of the backboard module is provided with a PCIE slot, and an interface of the PCIE slot is plugged with a signal processing module. According to the utility model, through cooperation of the signal processing module and the backboard module which are designed in a modularized manner, a hardware architecture assembled according to needs and a PCIE slot interconnection technology are adopted, a user is allowed to flexibly select HDMI input and output, audio processing and network exchange of functional modules according to actual needs, the construction complexity is greatly reduced, redundant wiring is reduced, and the cost is reduced. And meanwhile, primary and secondary hierarchical design among the modules and an independent communication mechanism ensure that operation can be recovered by quickly replacing a secondary module when any module fails, so that the fault-tolerant capability and the maintenance efficiency of the system are remarkably improved, and a reserved expansion space supports subsequent function upgrading or capacity expansion and is adaptive to large-screen display scene requirements of different scales.

1. The name of the design product: display screen panel of graphical user interface for virtual simulation training. 2. The use of the design product: for displaying information and human-computer interaction. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best indicates the design points: front view. 5. The design contains colors. 6. No design points, omit rear view; no design points, omit left view; no design points, omit right view; no design points, omit top view; no design points, omit bottom view. 7. The use of the graphical user interface: for showing users combat virtual simulation training content. 8. The area of the graphical user interface in the product: graphical user interface. 9. Other circumstances that need to be explained: click the "learn" button in the front view, enter interface change state figure 1, click the "chapter 3 basic combat techniques" button in interface change state figure 1, enter interface change state figure 2. 10. Other circumstances that need to be explained: the display screen panel can be used for large screen display devices, mobile phones, computers, tablets, and car navigation displays.

The invention belongs to the technical field of screen display, and particularly relates to a large-screen display system based on machine learning, which comprises an environment sensing module, a user sensing module, a calculation module, a compensation module and a display control module, the compensation module calculates the distance and the visual angle according to the positioning coordinate parameters, and when the distance and the visual angle exceed a preset distance threshold value and a preset visual angle threshold value, the initial brightness adjustment coefficient is compensated according to the distance, the visual angle and the pupil diameter parameters to generate a corrected brightness adjustment coefficient; according to the correction brightness adjustment coefficient, the distance between the viewer and the large screen and the viewing angle are considered, so that the large-screen display system can dynamically adjust the screen brightness more accurately according to the visual comfort level of the viewer and the influence of ambient light.

The invention discloses a meditation immersive visual anchoring closed-loop method and system based on multi-device cooperation, and aims to solve the problems of single feedback, poor immersion and inaccurate concentration evaluation of the existing meditation assistance technology. According to the method, electroencephalogram and head movement data of a user are collected in real time through wearable equipment, and a quantitative'multi-mode concentration stability index 'is calculated through fusion of a mobile terminal so as to comprehensively evaluate the concentration state of the user. And according to an evaluation result, the mobile terminal sends an instruction to the large-screen display device, and presents or switches a basic anchor point, a dynamic anchor point or an interactive anchor point corresponding to the states of'deep concentration ', 'fluctuation concentration' and'distraction '. When the user is distracted, the system starts a'television-mobile phone 'double-end closed-loop intervention mechanism, and the user is effectively guided to concentrate again through multi-sensory and graded intervention means such as visual anchor point switching, edge blue light flickering, neural feedback visualization, mobile phone vibration and posture correction suggestions and the like.

The invention belongs to the technical field of man-machine interaction, and provides a large display screen pointing interaction method and system based on a smart phone, and the method comprises the steps: embedding a plurality of preset identifiers into an exhibition picture of a large display screen according to the background features of the current display content; acquiring image data captured by the smart phone terminal, and preprocessing the image data; performing identification detection and decoding operation according to the preprocessed image data, and extracting unique coding information corresponding to the identification and pose data under a camera coordinate system; performing spatial mapping operation according to the extracted pose data of each identifier under the camera coordinate system and the pixel coordinates of the corresponding identifier on the display screen, and solving a plurality of candidate projection points of the optical center of the smart phone end under the screen coordinate system; performing interpolation calculation on the candidate projection points, and calculating a final mapping coordinate of the optical center of the smart phone end mapped on the display screen; and performing interaction according to the final mapping coordinates. According to the invention, positioning and selection of large-screen display objects can be easily completed.

A construction machinery safety early warning method based on cloud-based RTK technology includes: establishing a cloud-based RTK server; setting up an RTK base station to obtain the base station's accurate coordinate position; generating and recording geodetic coordinate points of the construction area boundary and the hazardous area boundary; providing the recorded construction area boundary coordinate point data and hazardous area boundary coordinate point data to a visualization system within a safety monitoring room; calculating the real-time coordinate points of all construction machinery within the construction area at time t; providing the real-time coordinate point data of all construction machinery within the construction area to the visualization system within the safety monitoring room and displaying it on its large screen; performing real-time coordinate point distance measurement in the cloud-based RTK server; and sending a command from the cloud-based RTK server to an alarm on construction machinery r to sound an alarm, and simultaneously sending a command to the visualization system. Also included is a system for implementing the construction machinery safety early warning method based on cloud-based RTK technology.

A vehicle surround view system belongs to the field of automobile technology, including 4-way surround view cameras, an ECU controller, a VIU gateway, an IVI host and a central control screen; the 4-way surround view cameras are used to collect road information images around the vehicle, and the images are processed by the ECU controller. At the same time, the ECU controller receives a signal display request from the central control screen, and the ECU controller outputs the corresponding interface to the central control screen through the IVI host according to the request, and informs the driver and the user through the central control screen display. The utility model has sufficient screen display and large-size interface display, which improves the driver's perception of the surrounding environment, can efficiently assist the driver in driving and parking, and improves the driver's safety during driving and parking. The surrounding road environment is more comprehensively displayed to the driver through multiple views and multiple perspectives, which can better assist the driver in performing driving and parking tasks.

1. The name of the design product: electronic device hub surface defect detection graphical user interface. 2. The use of the design product: the design product is used for electronic devices. 3. The design points of the design product: the graphical user interface content displayed on the electronic device. 4. The picture or photo that best indicates the design points: front view. 5. The use of the graphical user interface: for hub surface defect detection. 6. The human-computer interaction mode of the graphical user interface: click "administrator account" in the upper right corner of the interface in the front view, then click "large screen display", and enter the interface change state diagram.

The utility model discloses a spaceflight launching and recycling situation visualization system, which belongs to the technical field of visualization systems and comprises a data acquisition module, a data server cluster, an animation server, a large-screen display device and a switch. The data server cluster is in communication connection with the switch, the switch is in communication connection with the animation server, and the data server cluster is in communication connection with the large-screen display device. According to the method, a data server cluster is established, a topographic map of a recovery position is made, and real-time three-dimensional animation production is performed through data obtained from the data server cluster when a spacecraft is launched and recovered, so that visualization when the spacecraft is launched and recovered can be realized, an intuitive space display mode can be realized, and understanding is facilitated.

The utility model discloses an environment-friendly access control large screen display device which comprises a shell, a display screen and a rear cover, the display screen is installed at the position, close to the upper portion, of the front face in the shell, a sound hole is formed in the position, below the display screen, of the front face of the shell, and two loudspeakers are installed at the positions, close to the two sides, of the upper portion in the shell. A sound transmission pipe is installed between the loudspeaker and the sound hole, and the rear cover is installed on the back of the shell. At present, most environment-friendly access control large-screen display devices are only provided with one loudspeaker, the large-screen display device is provided with two loudspeakers, on the premise that parameters of the loudspeakers are not changed, larger loudness of voice broadcast and sound alarm is provided, and in addition, the loudness of the large-screen display device is improved through a sound transmission pipe with a smooth inner wall. According to the environment-friendly access control large-screen display device, sound gathering and guiding in a certain distance are carried out in the shell of the environment-friendly access control large-screen display device, so that when voice broadcast sound and alarm sound are transmitted out of the shell, certain directivity is achieved, the penetrating power is improved, and the voice broadcast effect is improved.

1. Name of the product in this design: Graphical User Interface for a Cloud Service Platform for Mobile Phones. 2. Purpose of this design: for displaying information, interacting with others, and running programs. 3. The key design features of this product are the graphical user interface content on the screen. 4. The picture or photo that best illustrates the key design points: Design 1 main view. 5. The six views of the hardware device are omitted. 6. Design 1 is designated as the basic design. 7. Purpose of the graphical user interface: The graphical user interface of this design is a display and interactive interface for the mother and child screens, which is used to ensure that the screen information of two cloud phones can be viewed in real time on one device. 8. Human-Computer Interaction Method of Graphical User Interface: Design 1's main view shows the interface after entering the parent-child screen mode, where the parent and child screens are displayed in a picture-in-picture format. The parent screen is the large screen used to display the content of the host machine, and the child screen is the small screen used to display the content of the child machine. The child machine control panel is located at the bottom of the display screen. Clicking the full-screen button in the lower left corner of the child screen will cause the interface to jump from Design 1's main view to Design 1's interface change state diagram. In Design 1's interface change state diagram, the parent screen is the small screen used to display the content of the host machine, and the child screen is the large screen used to display the content of the child machine. Clicking the full-screen button in the lower left corner of the parent screen will cause the interface to jump from Design 1's interface change state diagram back to Design 1's main view. Design 1 Interface Change State Reference Figure 1 is a reference figure for Design 1's main view, and Design 1 Interface Change State Reference Figure 2 is a reference figure for Design 1's interface change state diagram. Design 2 The main view shows the interface displayed in split-screen mode after entering the parent-child screen mode. The parent and child screens are displayed in a picture-in-picture format, with the parent screen being the large screen displaying the main machine's content and the child screen being the small screen displaying the child machine's content. The child machine's control panel is located at the bottom of the display. Clicking the full-screen button in the lower left corner of the child screen jumps the interface from the main view of Design 2 to the interface change state diagram of Design 2. In the interface change state diagram of Design 2, the parent screen is the small screen displaying the main machine's content, and the child screen is the large screen displaying the child machine's content. Dragging the small screen in the interface change state diagram of Design 2 into the interface change state diagram of Design 2 3 allows the small screen to be dragged and placed anywhere within the large screen. Design 2 Interface Change State Reference Diagram 1 is a reference diagram for the main view; Design 2 Interface Change State Reference Diagram 2 is a reference diagram for Interface Change State Diagram 1; and Design 2 Interface Change State Reference Diagram 3 is a reference diagram for Interface Change State Diagram 2. The main view shows the interface displayed in a split-screen mode after entering the parent-child screen mode. The parent and child screens are displayed in a picture-in-picture format. The parent screen is the large screen used to display the content of the main machine, and the child screen is the small screen used to display the content of the child machine. The child machine control panel is located at the bottom of the display screen. Drag the small screen in the main view of Design 3 to enter the interface change state diagram of Design 3. The small screen can be dragged and placed anywhere in the large screen. Reference Figure 1 of the interface change state diagram of Design 3 is a reference diagram of the main view of Design 3, and Reference Figure 2 of the interface change state diagram of Design 3 is a reference diagram of the interface change state diagram of Design 3. 9. Other situations requiring explanation: Other explanations: A single color block covering an area is a variable image, and "XXXX" is variable text or numbers.

The invention discloses a vehicle-mounted unmanned aerial vehicle swarm launching control system and method in the technical field of unmanned aerial vehicles, and the system comprises a master control platform, a launching controller, a launching device, an energy storage device, a variable-frequency driving power supply, a signal wall box and a large-screen display which are integrated on a vehicle-mounted platform. The master control platform is connected with the energy storage device, the signal box, the large-screen display and the emission controller, the emission controller is connected with the emission device and the variable-frequency driving power supply, the variable-frequency driving power supply is connected with the energy storage device, and the signal box is connected with the antenna; a vehicle is used as a mobile master control platform, charging and emission control are carried out on an unmanned aerial vehicle swarm, good environmental adaptability is achieved, in order to improve the reliability in a complex environment, modular reliability design is further carried out, and the adaptability of the system provided by the invention in the complex and special environment is further enhanced; the platform has the advantages of being flexible, good in concealment, high in universality, good in reliability, low in use cost and the like.

1. Name of the product in this design: Energy Management Graphical User Interface for Large Screen Display. 2. Purpose of this design: for information display and processing. 3. The key design feature of this product is its graphical user interface. 4. The image or photograph that best illustrates the design's key features: the front view. 5. Purpose of the graphical user interface: for energy management. 6. Other situations requiring explanation: Other explanation: "X" in the interface represents text or numbers.

The invention discloses a chain track crack and broken track monitoring system, and relates to the technical field of chain tracks. The chain track crack and broken track monitoring system comprises an equipment end and a system module end, and the system module end comprises a sensor module, a graph acquisition module, a data acquisition and transmission module, a data layer analysis and processing module, an early warning and display module and a power supply and protection module; the equipment end comprises an ultrasonic sensor, a laser displacement sensor, an industrial high-definition camera, an image processor, a multi-channel high-speed data acquisition card, a high-speed Ethernet switch, an optical fiber transceiver, a data analysis server, a GPU acceleration card, an audible and visual alarm, a large-screen display, an uninterruptible power supply, a power adapter and a waterproof, dustproof and shockproof shell; according to the system, the monitoring precision can be improved, micro cracks and deformation inside and on the surface of the chain track can be more accurately detected by adopting various advanced sensors, missing detection is effectively avoided, and the real-time performance and the reliability are enhanced.

The support for placing the large-screen display comprises a base plate which is placed on a floor and has a specified size; a pillar having a predetermined length, the lower end of which is assembled to the base plate, and the upper end of which is disposed vertically or obliquely at a predetermined angle; the horizontal frame is horizontally arranged at the upper end of the column, so that the two ends of the horizontal frame have specified lengths on the two sides of the column; a pair of display mounting racks assembled to the back surface of the display and having a predetermined length in the vertical direction with respect to the display; and a pair of connecting frames detachably connecting the horizontal frame and the pair of display mounting racks, the angle of the pair of display mounting racks being adjusted by selectively adjusting the angle of the pair of connecting frames, the pair of connecting frames including: a frame fixing portion provided on the horizontal frame; an angle adjusting part which is arranged on the frame fixing part in a manner of being capable of adjusting the angle; and a mount fixing portion provided on the pair of display mounts and detachably attached to the angle adjusting portion.

The invention belongs to the field of power station boiler accident risk prevention and control management, and particularly relates to a power station boiler digital integrity management system and a management efficiency evaluation method. The system comprises an enterprise data center module, a boiler data center module, a pressure-bearing component risk evaluation module, a pressure-bearing component integrity evaluation module, a maintenance and decision module, an emergency management module, a safety knowledge base module, an efficiency evaluation module and a large screen display module, and the modules realize data dynamic closed-loop interaction through data ports. According to the management efficiency evaluation method, a power station boiler integrity management efficiency evaluation index system is constructed from two aspects of an integrity management process and a management effect, and a management process score is obtained by adopting a queuing theory method; obtaining a management effect score by using a data envelope analysis method; and on the basis, a result compensation coefficient is introduced to calculate a final comprehensive management efficiency score, so that the comprehensive, objective and reasonable evaluation effect is ensured.

The application belongs to the technical field of human-computer interaction, and provides an interactive method and system for large display screen pointing based on a smart phone. A plurality of marks are embedded in an exhibition picture of a large display screen according to the background characteristics of current display content. Image data captured by the smart phone is obtained, and preprocessing is performed on the image data. Detection and decoding operation of the marks are performed according to the preprocessed image data, unique code information corresponding to the marks and pose data in a camera coordinate system are extracted. Spatial mapping operation is performed according to the pose data of the marks in the camera coordinate system and pixel coordinates of the marks on the display screen, a plurality of candidate projection points of the optical center of the smart phone in a screen coordinate system are solved. Interpolation calculation is performed on the candidate projection points, and final mapping coordinates of the optical center of the smart phone on the display screen are calculated. Interaction is performed according to the final mapping coordinates. The application can easily complete positioning and selection of a large screen display object.

The invention relates to the technical field of large-screen display systems, and discloses a projection fusion method and system for a large-screen display system, and the system comprises an image collection unit, a preprocessing unit, a data analysis unit, a data analysis unit, and a detection and restoration unit. By introducing the organic combination of the image acquisition unit, the preprocessing unit, the data analysis unit, the data analysis unit and the detection and restoration unit, the system can perform comprehensive data acquisition, preprocessing and analysis on an input image and projection, so that the adaptability of the system in various environments is enhanced; as the system can perform intelligent parameter adjustment while judging the projection quality in real time, unnecessary resource waste is avoided, the working efficiency of the system is improved, and the maintenance cost is reduced.

The invention discloses a 2.5 D model multi-screen display editing method and system, and belongs to the field of computer image processing. The method mainly comprises the steps of environment preparation, starting of related plug-ins, connection establishment, model generation and display, model parameter adjustment and synchronous updating. After the 2.5 D model is generated and loaded to the large screen for display, a user can directly perform real-time operation and modification on the model in a large screen environment, such as height, position, angle, deformation strength and the like, without exiting a current operation mode, returning to editing software to modify or replace the model and then restarting a display process.

The invention provides a model training method and a control method and device of large-screen display equipment, and relates to the technical field of remote control. The method comprises the following steps: acquiring multiple frames of continuous first sample images including the face and the hand of at least one sample user, and labeling each frame of first sample image; and then acquiring annotation information of each frame of the first sample image, and performing model training according to the multiple frames of continuous first sample images and the annotation information of each frame of the first sample image to obtain a gesture recognition model. Further, continuous multi-frame user images including the host in front of the large-screen display device are obtained, and the multi-frame user images are input into the gesture recognition model to obtain a target gesture of the host. And finally, sending a target control instruction corresponding to the target gesture to the large-screen display equipment according to the mapping relationship between the gesture and the control instruction. According to the method provided by the invention, the controllability of the large-screen display equipment is improved.

The invention provides a main body structure and a vehicle-mounted ceiling telescopic display device. The main body structure and the vehicle-mounted ceiling telescopic display device comprise a vehicle roof mounting structure and a display screen mounting frame, and the display screen mounting frame is rotationally connected with the vehicle roof mounting structure and can be turned downwards to be opened and turned upwards to be folded; the display screen installation frame is a telescopic installation frame and is arranged to be a folding and unfolding mechanism of the flexible screen, and the flattening area of the display screen can be changed along with stretching and retracting of the display screen installation frame. The vehicle-mounted ceiling display device based on the flexible screen can be adopted in a vehicle, large-screen display can be achieved through stretching and retracting of the flexible screen, meanwhile, the occupied area of the roof is reduced, the influence on two rows of passengers due to arrangement of a roof display screen can be reduced, high-brightness and high-resolution display can be achieved, and further, the display effect is improved. In addition, a screen with a variable size can be obtained to better adapt to different video specifications, and the direction can be adjusted left and right to enable passengers to obtain an optimal film watching angle and better riding and entertainment experience feelings.

1. Name of the Design Product: LED Large-screen Display Module with Flip Cover. 2. Use of the Design Product: For splicing LED display screens. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective view. 5. Other Situations Requiring Explanation Other Explanation: In the reference drawing of the usage state 1, the flip cover is in the closed state, and in the reference drawing of the usage state 2, the flip cover is in the open state.