Meiyad Held An Excellent Employee Recognition Ceremony

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Meiyad Held An Excellent Employee Recognition Ceremony

2024

On July 1st afternoon, Shenzhen Meiyad Optoelectronics Co., Ltd. held a commendation ceremony for outstanding employees. The gradual improvement in Meyad's performance in recent years owes much to the efforts of every employee. In this rapidly changing era, their persistence, innovation, commitment to quality, and excellence have helped the company maintain a leading position in the competitive market. Through their outstanding performance and contributions, they have surpassed themselves.

Meiyad Held An Excellent Employee Recognition Ceremony

Sales Champion - Jian Minmin

The company's performance improvement is inseparable from the hard work and unremitting efforts of the sales team. Among them, the sales champion Jian Minmin stood out with her outstanding performance. Her professional ability and tenacity won the trust of customers and brought remarkable sales results to the company. The general manager presented medals and prizes to the sales champion-Jian Minmin.

Sales Champion - Jian Minmin

Excellent Employees

In the big family of Meiyad, there is a group of people who have become an important driving force for the company's sustainable development with their outstanding work performance and selfless dedication. They are the pride of the team and the company's outstanding employees. Their stories and achievements inspire every colleague.

Excellent employees of the sales department and department leaders

Excellent employees of the back office department and department leaders

Excellent employees of the manufacturing department and department leaders

Excellent Management Team

Under the guidance of the general manager, Meiyad has an excellent management team. They closely follow the company's strategic blueprint to ensure the efficient execution of various tasks, while focusing on team building and talent training. Through their unremitting efforts, they not only promote the smooth progress of daily operations, but also provide lasting motivation and a solid foundation for the long-term development of the company. The leadership, execution and innovation of this management team are one of the key factors for Meiyad' continuous success.

Meiyad Unveils New Products at ISE 2026: A Visual Feast Awaits

Immersive CAVE-R LED Display for Universities

LED CAVE immersive spaces are one of the most representative multi-surface immersive solutions. By surrounding viewers with large display surfaces, they create an enveloping visual environment in which visitors can step into a virtual scene without wearing a VR headset. They are widely used in science and education venues, industrial simulation, experiential learning, museum exhibitions, and digital museums. Drawing on the fundamentals, technical approaches, and application scenarios of immersive spaces, Meiyad has put together this comprehensive selection guide. It covers the basics, application planning, solution comparisons, hardware selection, implementation considerations, and frequently asked industry questions to support early-stage project evaluation and final solution planning. What Is a LED CAVE Immersive Space? An immersive space is a virtual environment created through technology. Users enter the environment and interact with it using dedicated equipment. These spaces offer a high degree of realism, strong interactivity, and broad applicability, making them suitable for exhibition halls, museums, education, training, cultural tourism, and entertainment. CAVE (Cave Automatic Virtual Environment) is a classic form of immersive space. It creates an enclosed visual environment using three, four, or even five surrounding display surfaces. Combined with synchronized visuals, spatial audio, and interactive systems, it delivers a highly realistic, enveloping visual experience. Define the CAVE Space Around Your Application Requirements for CAVE structure, brightness, interactivity, and resolution vary significantly by application. The first priority when selecting a solution should be to match it to the intended use. Education and Training | Virtual Laboratories Common applications include science experiments, engineering training, and medical education. Key requirements include clear image details, real-time interaction, and the ability to switch between simulation scenarios repeatedly. A high-resolution solution is recommended, paired with gesture recognition and position-tracking interaction to support collaborative use by multiple participants. Museums | Cultural Heritage Exhibitions Typical applications focus on recreating historical scenes, presenting digitized cultural artifacts, and sharing cultural knowledge. Color accuracy and atmosphere are important, alongside visual appeal and operational stability. AR (augmented reality) and glasses-free 3D content can also be incorporated to strengthen cultural storytelling. Industrial and Scientific Simulation Used for oil and gas applications, equipment simulation, and operational scenario walkthroughs, these projects place the highest demands on geometric image correction, display synchronization, and long-term operational stability. High-refresh-rate, low-latency display solutions are recommended. Display Solution Comparison: Projection-Based CAVE vs. Meiyad LED CAVE Comparison Projection-Based CAVE Meiyad LED CAVE Display Technology DLP laser projection for professional applications, using rear- or front-projection blending. Fine-pitch, modular, self-emissive LED panels (P0.9 / P1.2 / P2). Brightness Measured screen brightness is approximately 80–300 nits. Performance depends heavily on screen gain and projection distance. Contrast drops rapidly when ambient light exceeds 50 lux. Typical indoor configuration: 600–1,200 nits. Brightness is not directly washed out by ambient light, so images remain clear under standard exhibition-hall lighting. Contrast Native contrast is approximately 1,000:1–4,000:1. Projection halos and gray-looking blacks may be present. Typically ≥5,000:1. Each pixel controls its own light output, delivering clean blacks without halo interference. Refresh Rate Limited by the projector. 240 Hz is common; high-refresh-rate models are more expensive. Typically ≥3,840 Hz, readily supporting 120 Hz real-time rendering and making it suitable for low-latency interactive simulation. Ambient-Light Compatibility Sensitive to strong light and requires a fully darkened room. Natural light can wash out images and reduce visual depth. Self-emissive, so it can be used in exhibition halls and atriums with normal ambient lighting. Suitable for science centers and open exhibition spaces. Image Joining Multi-channel blending creates visible blend zones. Color shifts and loss of focus may develop over time. Seamless modular assembly. Right-angle and curved configurations can be customized; trapezoidal corner modules can reduce alignment issues at joins. Service Life Laser light sources: 20,000–30,000 hours. Mercury lamps: only 2,000–5,000 hours and are consumables. LED modules: 60,000–100,000 hours (half-life). No regular light-source replacement is required. Maintenance Requires regular light-source replacement, optical-path cleaning, and repeated blend-zone adjustments, resulting in substantial maintenance work. Individual modules can be replaced independently. Front-service design is suitable for venues operating at high frequency throughout the year. Audio Integration Projection screens are not acoustically transparent, so speakers must be installed separately and may obstruct the image. Acoustically transparent LED modules are available. Speakers can be concealed behind the display for an integrated audio-visual experience and a cleaner appearance. Selecting the Number of LED CAVE Surfaces and the Space Dimensions Choosing the number of surrounding surfaces based on the venue size and visitor capacity is a key part of system selection. Three-Sided LED CAVE (Front + Left + Right) The most widely used configuration, with a moderate footprint. Suitable for most exhibition halls and virtual classrooms; accommodates 5–15 people. Four-Sided LED CAVE (Front + Left + Right + Floor) Adds synchronized floor visuals for a stronger sense of immersion. Suitable for virtual exploration and historical scene recreation. Five-Sided LED CAVE (Front + Left + Right + Ceiling + Floor) A fully enclosed solution that maximizes immersion. Commonly used for flight simulation and exploration, industrial simulation, and premium science centers. Acoustically transparent configurations can be customized. Pre-Selection Checklist Check the on-site ceiling height and the length and width of the venue, then calculate the dimensions of each display surface. Review viewing distances and visitor positions. Plan viewing angles in advance to avoid severe distortion. Structural loading: Large LED CAVE installations require advance structural calculations for the steel framework. Coordinate with a building structural engineer. Selecting the Interactive System Interactive capabilities directly influence what a project can achieve. Select interactive equipment according to the project’s needs. Gesture Recognition: Enables touch-free experiences and is a strong choice for museums and science exhibitions. Visitors can switch scenes with a wave of the hand. Voice Recognition: Triggers scene changes and automated narration through voice commands; suitable for educational visits and guided presentations. Position Sensing / Spatial Tracking: Enables multi-user positioning and interactive exploration; suitable for virtual laboratories and industrial simulation. Haptic Feedback and Motion Platforms: Can be paired with motion seats for cultural-tourism cinemas and flight-simulation experiences. Selection Note: Interactive devices must be jointly commissioned with the rendering workstation and synchronization system. Compatibility varies considerably across brands. An integrated solution from a single provider is preferable to reduce integration issues later. Key Hardware Parameters: Reference Checklist Parameter Recommended Specifications and Considerations Resolution For standard exhibition spaces, at least 2K per channel is typical. 4K is recommended for scientific simulation and high-precision demonstrations. Multi-surface CAVE systems must be equipped with a synchronized rendering cluster to keep all images aligned and free of tearing. Refresh Rate At least 60 Hz. For simulation and high-speed exploration, ≥120 Hz is recommended to reduce the risk of motion sickness. Latency Latency is a key consideration for interactive projects. The lower the latency, the smoother the response to gestures and position tracking. Color Museum and science-exhibition projects require a wide color gamut and good image uniformity. Synchronization System A multi-surface image synchronizer is essential for CAVE. Unsynchronized images can seriously undermine the immersive experience. Practical Tips for Avoiding Common Selection Pitfalls 1. Decide on the Venue First, Then Choose the Solution If the exhibition hall cannot be fully darkened, do not choose a projection-based CAVE; prioritize LED CAVE. 2. Consider Operational Frequency and Visitor Traffic For venues with high visitor traffic and year-round, frequent operation, prioritize LED solutions to reduce maintenance associated with light-source replacement and blend-zone adjustments. 3. Consider Audio Requirements If high audio standards are required, prioritize an acoustically transparent LED CAVE. Concealed speakers help preserve the integrity of the surrounding visual environment. 4. Plan Content in Parallel with the Display System Projects often experience content delays after the display structure is completed. Bring the content team into the process during the selection stage and produce media according to the CAVE aspect ratio and distortion requirements. 5. Evaluate the Provider's Integration Capabilities An immersive LED CAVE is more than several screens joined together: it requires integrated expertise in geometric correction, multi-system synchronization, structural engineering, acoustics, and interaction. Prioritize suppliers with proven delivery experience in comparable exhibition, science, and education projects. Frequently Asked Technical Questions Q1. How Can Visual Distortion Be Reduced? Distortion mainly comes from corner joins, unsynchronized images, and misaligned module seams. In practice, it is controlled in four main ways. 1. Off-Axis Perspective Pre-Correction (The Key Step) Use the primary viewing position to generate an off-axis viewing frustum. The rendering engine applies mesh warping to the image on each display surface in advance, pre-distorting the image to compensate for perspective stretching at the corners and maintain a correct view from the reference position. LED CAVE systems also require this correction; simply assembling the screens does not automatically eliminate distortion. 2. Hardware Calibration and Color Blending Projection-based CAVE systems use automatic camera calibration and edge blending to eliminate trapezoidal distortion in blend zones. LED CAVE systems can use custom trapezoidal corner modules to reduce visual misalignment caused by rigid seams. Brightness and color should also be matched to prevent differences in light and dark areas from amplifying perceived distortion. 3. Strict Frame Synchronization Synchronization cards and synchronized rendering clusters provide pixel-level image synchronization. Without synchronization, tearing or an apparent indentation at the corners may create the illusion of distortion. 4. Content and Visitor-Position Guidelines During content production, place key models near the center of the space and avoid positioning important objects at corner edges. Encourage visitors to remain within the calibrated optimal viewing zone; perspective errors become more noticeable as viewers move farther from the reference viewpoint. Q2. Is Motion Sickness Common? The likelihood of motion sickness in a CAVE is relatively low, but it cannot be eliminated completely. Situations More Likely to Cause Discomfort: Low refresh rates or high interaction latency. Rapid, intense movement through a scene. Unsynchronized displays or failed calibration. Fast-moving floor imagery that conflicts with the viewer's physical sense of foot movement. Ways to Reduce the Risk: Prioritize high-refresh-rate rendering at 3,840 Hz, control the speed of on-screen movement, ensure proper synchronization and calibration, and avoid rapid displacement animations in floor content. Q3. What Is the Difference Between a CAVE and a VR Headset? The key difference is that a CAVE is a shared physical immersive space that multiple people can enter without wearing devices, while a VR headset provides an individual experience for one wearer. Comparison LED CAVE Space VR Headset Viewing Method No head-mounted device is required; visitors can view the experience with the naked eye. A head-mounted display is required, with one device per user. Experience Format Three to six projection or LED surfaces create an enclosed or semi-enclosed 3D space that multiple people can enter and move around in. An individual immersive experience in which the user is surrounded by virtual imagery and isolated from the real environment. Interaction Relies on spatial positioning systems (such as infrared optical tracking or LiDAR) and gesture / motion-based interaction to make the scene respond to the user's movements. Relies on handheld controllers, head tracking, and positional tracking. Typical Applications Public display spaces such as corporate showrooms, museums, science centers, and nighttime cultural-tourism attractions. Personal gaming, simulation training, rehabilitation, and medical applications. Cost and Space Higher cost, ranging from hundreds of thousands to over one million RMB, and requires a larger physical space (30 m² or more is recommended). Relatively affordable and can be used in a dedicated space of just 3–5 m². Five-Sided Right-Angle CAVE + VR Headsets The two technologies are not mutually exclusive. They can be combined at both the technical and application levels. 1. A "VR Headset + LED CAVE Space" Combination In rehabilitation, for example, VR headsets can be used for near- and mid-range fine-motor training (such as fine upper-limb movements and cognitive integration), while the CAVE provides immersive outdoor 3D environments (forests, beaches, and countryside) to support full-body aerobic exercise. The two systems work together, with each serving a different stage of training. 2. Connecting VR Headsets to a LED CAVE In industrial simulation training, the LED CAVE system simulates the real operating viewpoint while also supporting the connection and synchronized display of multiple VR headsets. This makes it possible to demonstrate operators' virtual control processes and support synchronized group learning. The main view on a VR observation terminal can match the main view of the person performing the operation, enabling remote collaborative training. 3. Collaborative Design with 5G and the Industrial Internet In remote collaborative design, designers can use different terminals—including CAVE systems, head-mounted AR/VR devices, and portable 5G devices—to access the same immersive virtual environment and collaboratively modify 2D/3D design drawings. The technologies are integrated within the same system framework. Q4. What Is Required for Multiple People to Use an LED CAVE at the Same Time? An LED CAVE can support multiple people in the same space. There are two modes, and their requirements are very different. 1. Standard Shared Viewing Mode (The Mainstream Option for Exhibition Venues) Individual head tracking is not required. The system needs only synchronized rendering, calibrated images, sufficient space, and synchronized surround audio. Limitation: Perspective is correct only at the calibrated primary viewing position. Other visitors may see slight perspective deviations. This mode is suitable for watching films and science exhibitions, but not for simultaneous interaction by everyone. 2. Multi-User Mode with Independent, Precise Interaction (For Research / Industrial Simulation; Higher Cost) Each participant receives an independently rendered image with correct perspective. Required Equipment Includes: Multiple sets of optical tracking cameras. Tracking markers worn by each participant. A rendering workstation capable of parallel real-time rendering from multiple viewpoints. Independent viewport calculations. Most commercially stable solutions support independent tracking for only 2–3 users. As the number of users increases, computing costs rise rapidly. Selection Recommendation: For most science centers and exhibition venues, the most cost-effective option is to track one primary interactive user while allowing the others to observe. Q5. How Does an LED CAVE Create a Glasses-Free 3D Effect? Two concepts are easily confused and should be distinguished during solution selection. 1. Mainstream "Glasses-Free" CAVE Uses large surrounding displays to play specially produced content designed for multi-surface projection. The spatial sense of depth creates an immersive experience. This is also the mainstream approach for today's LED CAVE systems and is suitable for science and educational films in exhibition venues. 2. True Glasses-Free 3D CAVE (3D Visible Without Glasses) This is not a mainstream commercial solution. It generally uses viewpoint-array LEDs or projection-based light fields, parallax barriers, or retroreflective projection technologies. Hardware costs are very high, the effective viewing zone is very small, and most implementations remain at the laboratory stage, with few deployed projects. Important Note: To achieve a true glasses-free 3D effect in a CAVE, polarized or active-shutter 3D glasses are still required.

LED Tunnel Screen Guide: Design, Technology & Installation

06｜11｜2026

A Complete Guide to LED Tunnel Screens: Technology, Design, Selection and Installation

Immersive LED tunnel screens are transforming how people experience digital spaces. By surrounding visitors with synchronized visual content, they create engaging environments for exhibitions, entertainment venues, shopping malls, brand activations, and immersive attractions.Unlike conventional flat LED displays, an LED tunnel screen integrates multiple display surfaces into one visual environment. Depending on the design, the system may include LED walls, a ceiling display, and an LED floor screen, allowing content to extend across the visitor's entire field of view.However, building a high-quality immersive LED tunnel involves more than simply installing LED panels around a walkway. Display structure, module selection, video processing, synchronization, content mapping, power distribution, and installation safety all need to work together.This guide focuses primarily on four-sided closed-loop LED tunnel screens, a mature immersive display solution offered by Meiyad. Using a real project configuration as an example, we will explain how these systems work, what components they require, how to select the right LED modules, and what to consider during installation.1. What Is an Immersive LED Tunnel Screen?1.1 Understanding the Concept of an LED Tunnel DisplayAn immersive LED tunnel screen is a multi-surface LED display installation designed to create a continuous visual environment around visitors. Instead of viewing content on a single screen, visitors experience synchronized images across several display surfaces.A typical four-sided closed-loop LED tunnel consists of four display areas:Left wall LED displayRight wall LED displayCeiling LED displayFloor LED displayWhen these four surfaces work together, they create a surrounding visual experience that can simulate walking through underwater environments, outer space, futuristic cities, natural landscapes, or other digital scenes.The visual effect depends on more than the resolution of individual screens. Accurate synchronization, coordinated brightness and color, and carefully mapped content are essential for making the four display surfaces appear as one integrated environment.An immersive LED tunnel can be designed for permanent installations or temporary events. Its dimensions, viewing distance, pixel pitch, module type, and control system can all be customized according to the project.1.2 Three Main Types of LED Tunnel StructuresLED tunnel displays can be divided into several structural types. The most suitable design depends on the available space, desired immersive effect, budget, and installation requirements.Three-Sided LED TunnelA three-sided LED tunnel typically consists of two side walls and a ceiling display. The floor remains a conventional walking surface.This structure provides an immersive visual environment while keeping the floor construction relatively simple. It is suitable for exhibition spaces, retail environments, museums, and installations where a dedicated LED floor is not required.Four-Sided Closed-Loop LED TunnelA four-sided closed-loop LED tunnel integrates the left wall, right wall, ceiling, and floor into one display system.The addition of an LED floor allows visual content to surround visitors from multiple directions. When all four display areas are synchronized, the installation can create a more continuous and engaging immersive experience.Because different surfaces have different structural and mechanical requirements, a four-sided system may combine several LED module types rather than using the same product throughout the entire installation.360-Degree Cylindrical LED TunnelA cylindrical LED tunnel uses a curved display structure to create a continuous surrounding visual environment. Depending on the design, it may use flexible LED modules or specially arranged display panels to form a circular or cylindrical surface.This structure is different from a four-sided closed-loop tunnel, which has distinct left, right, ceiling, and floor display areas.1.3 LED Tunnel Screen vs. Projection Tunnel: Which Is Better?Both LED displays and projection systems can be used to create immersive tunnels, but they have different characteristics.ComparisonLED Tunnel ScreenProjection TunnelImage generationDirect-view LED pixelsProjected lightBrightnessGenerally suitable for brighter indoor environmentsStrongly affected by ambient light and projection conditionsSurface requirementsRequires LED modules and supporting structuresRequires suitable projection surfacesImage continuityRequires precise mapping and calibration across panelsRequires projector blending and geometric correctionInstallationInvolves display structures, power, signal, and cooling systemsInvolves projectors, mounting positions, and calibrationMaintenanceLED modules and electronic components require servicingProjectors and optical components require servicingDesign flexibilitySupports flat, curved, and multi-surface LED structuresDepends on projector placement and projection surfacesLED tunnel screens are often preferred when a project requires direct-view brightness, clearly defined display surfaces, and an integrated multi-screen structure.Projection tunnels may be suitable when the installation has specific surface or budget requirements and the lighting environment can be controlled.The best choice depends on the project's visual objectives, physical space, operating conditions, and total investment.2. How Does an LED Tunnel Screen Work?An immersive LED tunnel display combines LED modules, receiving cards, video processing equipment, signal transmission, and synchronized content playback.Understanding how these components work together helps project owners evaluate system configurations and avoid common technical problems.2.1 How LED Pixels Generate ImagesAn LED display is made up of many small light-emitting diodes arranged in a pixel matrix.Each pixel contains red, green, and blue LED elements. By controlling the brightness of these elements, the display produces different colors and forms the images and videos seen by visitors.Pixel pitch refers to the distance between the centers of adjacent pixels, usually measured in millimeters.A smaller pixel pitch generally provides higher pixel density and is suitable for closer viewing distances. A larger pixel pitch may be appropriate when visitors view the screen from farther away.For an immersive LED tunnel, pixel pitch should be selected according to the viewing distance and the visual requirements of each display surface.2.2 Signal Transmission and Image ProcessingThe content playback system sends visual signals to the LED video processor.The processor handles image scaling, canvas management and signal distribution. Output signals feed sender cards, which forward display data to LED receiving cards for each zone.The receiving cards distribute the signals to the corresponding LED modules, allowing each display area to reproduce its assigned content.For a multi-surface LED tunnel, the system must manage the relationship between different display areas. The left wall, right wall, ceiling, and floor may have different resolutions, orientations, and physical dimensions.A properly configured processing system ensures that the content is distributed to the correct display areas and maintains the intended visual composition.2.3 Multi-Channel Synchronization and Independent CalibrationSynchronization is one of the most important technical requirements of a four-sided closed-loop LED tunnel.If the left wall, right wall, ceiling, and floor display different frames at slightly different times, visitors may notice visual discontinuities, especially when the content contains fast-moving objects or continuous environmental scenes.For Meiyad's project configuration, the system uses:One professional LED video processor with four independent hardware frame-synchronized output channels.The system works through the following process:Full-content input: The complete panoramic content is sent to the professional LED video processor.Canvas division: The processor divides the content canvas according to the resolutions and layout of the four display areas.Four-channel distribution: The processor assigns the corresponding image data to the left wall, right wall, ceiling, and floor through four independent hardware output channels.Shared frame reference: All four output channels operate with the same frame clock reference to maintain synchronized playback.Independent calibration: Each channel can receive its own geometric correction, color adjustment, and brightness adjustment according to the characteristics of its display surface.Receiver card distribution: The processed signals are sent to the corresponding receiving card groups, which drive the LED modules.This architecture allows the four display areas to operate as one coordinated visual system while retaining independent adjustment for each surface.For larger installations that exceed the pixel capacity of a single processor, multiple processors can be connected through a cascading architecture. A global frame synchronization module can be used to maintain consistent timing across the entire system.2.4 Custom Content Creation and Visual Mapping for Closed-Loop LED TunnelsAn LED tunnel requires content designed for its physical structure.Ordinary videos can be used in some installations, but content created specifically for a multi-surface tunnel usually provides better visual continuity.Content designers need to consider:The dimensions and resolution of each display surfaceThe position and orientation of the left and right wallsThe curvature of the ceilingThe relationship between ceiling and floor visualsThe visitor's viewing position and movement directionThe visual transitions between adjacent surfacesFor example, a virtual waterfall may begin on the ceiling, extend down both walls, and appear to continue across the floor. To achieve this effect, the content must be mapped accurately to the physical LED layout.Proper content mapping helps reduce visual breaks and creates a more convincing immersive environment.3. Main Components of a Four-Sided LED Tunnel Display SystemA four-sided LED tunnel is a coordinated system made up of several display and supporting components. Each part must be selected according to its installation position and operating requirements.3.1 LED Floor Screen: Walkable LED Display TilesThe LED floor screen is one of the defining features of a four-sided closed-loop LED tunnel.Unlike conventional wall displays, floor LED screens must be designed for horizontal installation and potential visitor contact. They require suitable protective structures and surface treatments for the intended application.Common considerations include:Protective surface constructionSurface friction and anti-slip performanceImpact resistanceHeat dissipationModule replacement and maintenance accessLoad-bearing capacity under the intended operating conditionsFor Meiyad's featured project, the floor display uses P3.91 LED floor tiles.The floor screen is designed as a dedicated LED floor display rather than a conventional wall LED module installed horizontally.For reference, our P3.91 walkable floor tiles are rated at 1500 kg/m² static load as standard, with a reinforced die-cast aluminum version reaching up to 2000 kg/m². Detailed specifications and test-report references are covered in the project case study later in this guide.Important safety consideration: The allowable load-bearing capacity of an LED floor screen must be verified through the manufacturer's official product specifications and relevant test reports. Anti-slip performance should also be confirmed using applicable documentation. Project owners should obtain and review these documents before opening the installation to public access.The floor structure, supporting framework, and installation method must be designed according to the expected visitor traffic and applicable local safety requirements.Conventional wall‑mount LED modules must never be repurposed as walk‑on floor displays; mechanical structure and protection ratings are not designed for pedestrian loading.3.2 Flat LED Wall Screens: Left and Right Display AreasThe left and right walls of a four-sided LED tunnel are usually flat display surfaces.For these areas, conventional flat LED modules can provide a practical and cost-effective solution.In Meiyad's featured project, both side walls use P2.5 flat LED display modules.A P2.5 pixel pitch provides a relatively high pixel density, making it suitable for immersive environments where visitors may view the walls from a comparatively short distance.When selecting wall LED modules, project designers should consider:Pixel pitch and viewing distanceDisplay brightness and color consistencyModule dimensions and cabinet structureInstallation and maintenance accessSignal distribution and power requirementsThe supporting structure should also maintain consistent alignment between modules to reduce visible seams and improve the overall appearance of the tunnel.3.3 Curved Ceiling LED Screen: Flexible LED ModulesThe ceiling of an immersive tunnel may be flat, curved, or designed with more complex shapes.When the ceiling has a curved structure, flexible LED modules can help follow the required surface geometry.Meiyad's featured project uses P2.5 flexible LED modules for the curved ceiling.Flexible LED modules are useful for curved display applications because their construction allows them to adapt to suitable curved installation structures. Their bending limits and installation requirements must still be followed according to the manufacturer's specifications.Importantly, a four-sided LED tunnel does not necessarily require flexible modules across every display area.A mixed-module design can be more practical:Flat LED modules for the left and right wallsFlexible LED modules for the curved ceilingDedicated LED floor tiles for the walking surfaceThis approach matches the display product to the structural requirements of each area. It can also help avoid unnecessary use of flexible modules where conventional flat modules are sufficient.3.4 Custom Steel Structure and Supporting FrameworkThe supporting structure is essential to the stability and alignment of an LED tunnel.It must accommodate the dimensions, weight, installation position, and maintenance requirements of the different display areas.A four-sided closed-loop tunnel may require different structural arrangements for its walls, ceiling, and floor.Key considerations include:Structural strength and stabilityInstallation tolerances and alignmentCeiling suspension or supporting methodsFloor support and load distributionAccess for module replacement and maintenanceCable routing and ventilation spaceStructural drawings and layout planning should be completed before manufacturing and installation.The final design should be reviewed by qualified structural professionals according to the project conditions and applicable building regulations.3.5 LED Control System and Video ProcessorThe control system coordinates the four display areas and ensures that the visual content is distributed correctly.For Meiyad's featured four-sided LED tunnel, the control architecture uses one professional LED video processor with four independent hardware frame-synchronized output channels.The four channels correspond to:Left wallRight wallCurved ceilingLED floorThe complete panoramic content enters the processor, where the display canvas is divided and distributed to the four output channels.Although the channels operate independently for image processing and calibration, they share the same frame clock reference.This allows the system to maintain synchronized playback while supporting independent adjustments for each display area.The processor can perform:Canvas division and image distributionIndependent geometric correctionIndividual color and brightness adjustmentResolution and display layout configurationSignal output to corresponding receiving card groupsFor installations with a larger total pixel load, a multi-processor cascading solution can be considered. Global frame synchronization is then used to maintain consistent timing across the processors.The final control system should be configured according to the total display resolution, content format, required frame rate, signal distance, and project layout.3.6 Power Supply, Signal Transmission and Cooling SystemsA multi-surface LED tunnel requires a properly planned power and signal distribution system.Power supplies must be selected according to the LED display configuration and the operating requirements of the installation.Signal transmission should be designed to maintain stable communication between the video processor, receiving cards, and LED modules.Thermal management is equally important. LED displays generate heat during operation, and enclosed tunnel structures can restrict natural airflow if ventilation is not properly considered.The design should include:Suitable power distribution and protectionOrganized signal cable routingAppropriate cable lengths and transmission methodsVentilation and heat dissipation arrangementsAccess for inspection and maintenanceFor indoor immersive installations, the cooling design should consider the actual operating environment and the amount of heat generated by all four display areas.3.7 Optional Interactive and Audio SystemsAn immersive LED tunnel can be expanded with interactive technologies to make the experience more engaging.Depending on the project requirements, optional systems may include:Motion sensorsTouch or proximity interactionInteractive floor effectsCamera-based visitor trackingAudio playback systemsCentralized show controlFor example, an interactive floor can display visual reactions when visitors walk across designated areas, provided the floor display and sensing system are designed for the intended use.Audio and lighting systems can also be coordinated with LED content to create a more complete multimedia experience.4. Advantages and Limitations of Four-Sided LED TunnelsFour-sided closed-loop LED tunnels offer several advantages, but they also involve technical and investment considerations.4.1 A More Immersive Visual EnvironmentBy integrating the walls, ceiling, and floor, a four-sided LED tunnel creates a surrounding visual environment rather than a conventional front-facing display.This structure is suitable for storytelling, virtual environments, brand experiences, and immersive exhibitions.4.2 High Brightness and Visual ImpactDirect-view LED displays can provide strong visual performance in indoor environments.Compared with projection systems, LED displays are generally less dependent on darkened projection surfaces. However, actual brightness, contrast, and viewing comfort should be evaluated according to the installation environment.4.3 Flexible Mixed-Module DesignA four-sided tunnel does not need to use one type of LED module throughout the entire installation.Combining flat LED modules, flexible LED modules, and dedicated floor tiles allows each area to use a product suited to its structural requirements.This can improve design flexibility and help control project costs.4.4 Modular Design and MaintenanceLED displays are generally constructed from modular components, making it possible to inspect or replace individual modules or sections when the system is designed with suitable service access.Maintenance arrangements depend on the specific LED product, cabinet structure, and installation method. Front or rear serviceability should be confirmed during the product selection and structural design stages.4.5 Interactive Content OpportunitiesWith additional sensing and control equipment, a tunnel can respond to visitor movement and other inputs.This makes it possible to create interactive exhibitions, branded experiences, and digital entertainment environments.4.6 Limitations and Project ConsiderationsDespite their visual advantages, four-sided LED tunnels require careful planning.Common considerations include:Higher initial investment than a simple single-screen installationMore complex structural engineeringMulti-channel synchronization and calibrationPower distribution and thermal managementSpecialized content production and visual mappingFloor protection and public-use safety requirementsMaintenance access across multiple display surfacesThese factors should be evaluated during the early design stage rather than after the display hardware has been selected.5. How to Choose the Right LED Tunnel ScreenChoosing an LED tunnel screen requires more than comparing pixel pitch or module prices. The display structure, viewing distance, installation environment, content requirements, and long-term operating conditions all affect the final configuration.5.1 Select Pixel Pitch According to Viewing DistancePixel pitch is one of the most important parameters when choosing LED modules.A smaller pixel pitch provides higher pixel density and is generally suitable for closer viewing distances. A larger pixel pitch may be sufficient when visitors view the display from farther away.For immersive tunnels, viewing distance may vary between the walls, ceiling, and floor.Therefore, the pixel pitch should be evaluated separately for each display area instead of assuming that all four surfaces must use the same specification.5.2 Choose Flat or Flexible Modules According to the StructureThe module type should match the physical shape of each display surface.For example:Flat walls can use conventional flat LED modules.Curved ceilings may require flexible LED modules.Walking surfaces require dedicated LED floor display products.A hybrid configuration can provide a more efficient solution than using flexible modules across the entire tunnel.The bending radius, installation method, and mechanical limitations of flexible modules should always be checked against the manufacturer's product specifications.5.3 Verify LED Floor Protection and Load-Bearing PerformanceThe floor display requires special attention because it may be exposed to direct visitor contact.Before selecting a floor LED product, project owners should review:Load-bearing specificationsRelevant structural or mechanical test reportsAnti-slip performance documentationSurface protectionImpact resistanceMaintenance and replacement proceduresDo not select a floor screen based only on pixel pitch or appearance. Its suitability must be confirmed for the actual installation and intended visitor use.5.4 Plan Visual Integration Across All Four Display AreasThe four display areas should be treated as one visual system.Before installation, confirm:The physical dimensions of each display areaThe resolution of each channelThe content canvas and mapping methodThe position of visual transitionsThe synchronization architectureThe calibration requirementsA clear display layout helps the content team and system integrator work from the same technical information.5.5 Consider Cooling, Power and Maintenance AccessA four-sided LED tunnel can generate considerable heat, particularly when all display areas operate simultaneously.The installation should provide suitable ventilation, power distribution, and maintenance access.The design should also consider where technicians will access receiving cards, power supplies, cables, and display modules after the structure is completed.5.6 Consider Future Interactive ExpansionIf the project may require interactive functions in the future, the initial design should reserve suitable space and system interfaces for additional sensors, audio equipment, and control devices.Planning for future expansion can reduce the need for major structural modifications later.6. Common Installation Challenges and How to Address ThemInstalling a four-sided LED tunnel involves several technical challenges. Addressing them during the design and preparation stages can reduce rework and improve system reliability.6.1 Structural Tolerance and Visible SeamsSmall alignment errors can become noticeable when visitors view several connected display surfaces at close range.The steel structure should be manufactured and installed according to approved drawings and appropriate tolerances.Before mounting the LED modules, the installation team should verify the supporting framework, surface alignment, and connection points.6.2 LED Floor Protection and Visitor SafetyThe floor screen must be suitable for its intended operating environment.Its supporting structure, surface protection, anti-slip performance, and load-bearing capacity should be reviewed before installation.Where public access is planned, the project owner should obtain the relevant manufacturer documentation and arrange appropriate inspections before opening the installation.6.3 Multi-Channel SynchronizationA four-sided LED tunnel requires synchronized playback across all display areas.Using a suitable professional video processor with hardware-synchronized output channels helps maintain consistent timing.For large installations using multiple processors, the synchronization architecture should be planned in advance, including the global frame reference and signal distribution.6.4 Curved Surface Mapping and Content AlignmentCurved ceilings and transitions between different display surfaces can make content mapping more complicated.The content canvas should be designed according to the actual physical layout and resolution of the installation.Geometric correction and visual testing should be completed before final commissioning.6.5 Ventilation and Heat ManagementAn enclosed LED tunnel can restrict airflow, particularly around the ceiling and other enclosed structural areas.The design should provide suitable ventilation paths and access for maintenance.Thermal performance should be checked under realistic operating conditions rather than relying only on theoretical calculations.6.6 Signal Transmission in Large InstallationsLarge LED tunnels may require long signal paths and multiple receiving card groups.The signal distribution design should consider cable distance, transmission method, equipment compatibility, and electromagnetic interference.Signal routing should also be coordinated with power distribution and the supporting structure to make inspection and maintenance easier.7. Safety Protocols and Routine Maintenance for Four-Sided LED TunnelsSafety and maintenance should be considered throughout the entire project lifecycle, from structural design to daily operation.Because a four-sided LED tunnel includes overhead displays and a potentially walkable floor display, its inspection requirements are more extensive than those of a conventional wall-mounted LED screen.7.1 Structural Safety and Floor Load InspectionThe supporting framework must be suitable for the weight and installation position of the LED display components.The floor display requires particular attention because it may be exposed to visitor traffic.Before public operation, verify:Structural design and installation qualityFloor support and load distributionManufacturer's load-bearing specificationsRelevant test documentationAnti-slip performanceSecure installation of floor tiles and surrounding componentsIf the required documentation is unavailable or the actual operating conditions exceed the verified specifications, public access should not be permitted until the issue has been resolved.7.2 Electrical Safety and Leakage ProtectionThe power distribution system should be designed and installed by qualified electrical professionals.Appropriate electrical protection, grounding, cable management, and inspection procedures should be implemented according to the project design and applicable local regulations.Damaged cables, loose connections, abnormal electrical behavior, or water exposure should be treated as reasons to stop the affected equipment and arrange a professional inspection.7.3 Thermal Management and Fire PreventionLED displays generate heat during operation. Poor ventilation can affect component performance and system reliability.The installation should provide suitable cooling and airflow for the entire tunnel.Routine inspections should check:Ventilation openingsCooling equipmentUnusual temperature increasesDust accumulationCable and connector conditionsSigns of overheating or abnormal odorsFire prevention measures should follow the applicable building and electrical safety requirements.7.4 Suggested Routine Maintenance ScheduleThe following is a general maintenance reference. The final schedule should follow the LED manufacturer's instructions, actual operating conditions, and applicable safety requirements.Inspection FrequencyRecommended ChecksDailyCheck display operation, image abnormalities, floor tile condition, visible cable issues, and unusual sounds or odorsWeeklyInspect display surfaces, ventilation openings, signal connections, and accessible structural componentsQuarterlyReview module performance, power distribution, receiving card status, cooling performance, and calibration consistencyAnnuallyArrange a comprehensive inspection of the supporting structure, electrical system, floor display documentation, cooling system, and overall display performance7.5 Emergency Handling for Damaged Floor Tiles or Abnormal SignalsIf a floor LED tile becomes loose, damaged, unstable, or otherwise unsafe, the affected area should be closed to visitors immediately.The tile and its supporting structure should be inspected by qualified technicians before the area is reopened.If abnormal signals, flickering, or synchronization issues occur, the system should be checked systematically, starting with the content source, video processor, output channels, signal connections, and receiving card groups.Maintenance work should follow the equipment manufacturer's procedures and be performed by qualified personnel.8. Real Project Case: P2.5 + P3.91 Four-Sided Immersive LED Tunnel by MeiyadA real project is often the best way to understand how a four-sided LED tunnel works in practice.Meiyad's featured installation demonstrates how different LED module types can be combined to create a complete immersive display environment.8.1 Project OverviewThe project uses a four-sided closed-loop structure consisting of:Left wall LED displayRight wall LED displayCurved ceiling LED displayLED floor displayRather than using one type of LED product across all four surfaces, the system combines flat LED modules, flexible LED modules, and dedicated LED floor tiles.This approach matches the product configuration to the structural requirements of each area.8.2 Project Display ConfigurationThe main technical configuration is as follows:ParameterSpecificationApplicationIndoorDisplay StructureFour-Sided Closed-Loop LED TunnelLED TypeSMD2020Left and Right Wall Pixel PitchP2.5Curved Ceiling Pixel PitchP2.5Floor Pixel PitchP3.91P2.5 Pixel Density160,000 dots/m²P3.91 Pixel DensityApproximately 65,410 dots/m²Brightness≥600 cd/m² across all four display areasMaximum Power Consumption650 W/m² (entire project configuration)Average Power Consumption300 W/m² (entire project configuration)Control ArchitectureOne professional LED video processor with four independent hardware frame-synchronized output channelsPower consumption note: The maximum and average power consumption figures above refer to the overall project configuration. They are not individual power consumption ratings for each display area.Brightness note: The specified brightness of ≥600 cd/m² applies to the four display areas: left wall, right wall, curved ceiling, and floor.8.3 Hybrid LED Module Strategy: Flat Walls and Flexible CeilingThe left and right walls use P2.5 flat LED modules, while the curved ceiling uses P2.5 flexible LED modules.This mixed configuration allows the system to use conventional flat modules where the structure is flat and flexible modules where the surface requires a curved form.The result is a more targeted product selection rather than requiring flexible modules throughout the entire installation.For project owners, this approach offers greater structural flexibility and helps avoid unnecessary product costs.8.4 P3.91 LED Floor DisplayThe floor area uses dedicated P3.91 LED floor tiles.Compared with the wall and ceiling display areas, the floor requires a different product structure because it is installed horizontally and may be exposed to visitor contact.Its protective surface, supporting structure, anti-slip performance, and allowable load must be evaluated according to the official product specifications and relevant test documentation.For public installations, these requirements should be verified before visitors are allowed to walk on the display.Our P3.91 floor tiles feature a rated static load capacity of 1500 kg/m². Reinforced die‑cast aluminum variants can reach up to 2000 kg/m². All load‑bearing figures refer to cabinet‑level performance; building floor and steel‑subframe capacity must be calculated independently by a structural engineer. Final values are subject to official datasheets and test reports.8.5 One Processor with Four Synchronized Output ChannelsThe project uses one professional LED video processor with four independent hardware frame-synchronized output channels.The full panoramic content is processed and divided into four corresponding display outputs.All channels share the same frame clock reference to maintain synchronized playback across the left wall, right wall, ceiling, and floor.At the same time, each output channel supports independent geometric correction, color adjustment, and brightness adjustment.The processed signals are then distributed to the corresponding receiving card groups to drive the LED modules.This configuration allows the four display surfaces to work together as one coordinated immersive display system.8.6 A Practical Reference for Custom Immersive LED ProjectsThis project demonstrates an important principle in immersive LED tunnel design: the best configuration is not necessarily one that uses identical LED modules everywhere.Different display areas have different structural and operating requirements. A combination of flat LED modules, flexible LED modules, and dedicated floor tiles can provide a more suitable solution.The final configuration should always be determined by the installation structure, viewing distance, content requirements, and operating environment.9. Applications of Immersive LED Tunnel DisplaysFour-sided and other immersive LED tunnel structures can be used in a wide range of indoor environments.9.1 Tourism Attractions and Night-Time ExperiencesImmersive LED tunnels can transform indoor attractions into digital environments.Visitors can experience underwater scenes, natural landscapes, historical environments, and imaginative visual worlds without leaving the physical venue.9.2 Science Museums and Digital Exhibition HallsMuseums and science centers can use immersive tunnels to present scientific concepts, astronomical environments, geographical information, and educational content.The surrounding display structure can help visitors understand complex subjects through visual storytelling.9.3 Corporate ShowroomsCompanies can use immersive LED tunnels to introduce their brands, products, technologies, and development stories.A multi-surface display provides more creative possibilities than a conventional presentation screen.9.4 Shopping Malls and Retail SpacesIn shopping malls, immersive LED installations can attract attention, support seasonal campaigns, and create memorable visitor experiences.They can also be used for product launches and interactive promotional activities.9.5 Brand Activations and Pop-Up EventsBrands can use immersive LED tunnels to create temporary experience zones for product launches, promotional campaigns, and special events.The display content can be customized to match the campaign's visual identity and marketing objectives.9.6 Interactive Entertainment VenuesWhen combined with sensors, audio, and interactive software, immersive tunnels can become part of entertainment attractions and digital experience spaces.Interactive content can respond to visitor movement and create more engaging experiences.10. Frequently Asked Questions About LED Tunnel Screens10.1 What Is an LED Tunnel Screen?An LED tunnel screen is a multi-surface LED display installation designed to surround visitors with digital content. Depending on the structure, it may include side walls, a ceiling, and a floor display.10.2 What Is the Difference Between a Three-Sided and Four-Sided LED Tunnel?A three-sided LED tunnel typically includes two side walls and a ceiling display.A four-sided closed-loop LED tunnel adds an LED floor, creating four coordinated display areas: left wall, right wall, ceiling, and floor.10.3 Is an LED Tunnel Better Than a Projection Tunnel?Neither solution is universally better. LED tunnels are often preferred for direct-view brightness and multi-surface LED integration, while projection tunnels may be suitable for specific budgets, spaces, and controlled lighting conditions.The best option depends on the project requirements.10.4 Can Visitors Walk on an LED Floor Screen?Some LED floor products are designed for walk-on applications.However, visitors should only be allowed to walk on a floor LED display when its load-bearing capacity, surface protection, anti-slip performance, and supporting structure have been verified for the intended use.Always check the manufacturer's official specifications and relevant test reports before public operation.10.5 What Is the Best Pixel Pitch for an LED Tunnel?The best pixel pitch depends on viewing distance, display size, content requirements, and budget.Smaller pixel pitches are generally suitable for closer viewing distances, while larger pixel pitches may be sufficient for more distant viewing.Different display areas may also use different pixel pitches.10.6 Can Flat and Flexible LED Modules Be Used in the Same Tunnel?Yes. Flat and flexible LED modules can be combined in one immersive LED tunnel when they are selected according to the structure of each display area.For example, flat modules can be used on the side walls, while flexible modules can follow a curved ceiling.10.7 How Are the Four Display Areas Synchronized?A four-sided LED tunnel can use a professional LED video processor with four independent hardware frame-synchronized output channels.The processor divides the panoramic content into four outputs, and all channels share the same frame clock reference to maintain synchronized playback.Each channel can still receive independent geometric, color, and brightness adjustments.10.8 What Factors Affect the Cost of an LED Tunnel Screen?The total project cost depends on several factors, including:Overall tunnel dimensionsNumber and size of display surfacesPixel pitch and LED module specificationsFlat, flexible, and floor display product selectionSupporting structure and installation complexityVideo processing and control equipmentPower distribution and coolingContent production and mappingInstallation, commissioning, and maintenance requirementsA project-specific quotation should be based on the actual layout and technical requirements.10.9 Is an LED Tunnel Difficult to Maintain?Maintenance requirements depend on the product design, installation structure, and operating environment.A properly planned system should provide suitable access to LED modules, receiving cards, power supplies, signal connections, and cooling components.Routine inspection and timely replacement of damaged components help maintain stable operation.10.10 Can an LED Tunnel Be Installed in an Irregular Space?Yes, many immersive LED tunnel systems can be customized for different indoor spaces.However, irregular dimensions, curved surfaces, ceiling height, floor conditions, and supporting structures must be evaluated during the design stage.10.11 Can Ordinary Videos Be Played on an LED Tunnel?Yes, compatible video content can be played on an LED tunnel.However, content specifically created or mapped for the tunnel's physical layout generally provides better visual continuity across the walls, ceiling, and floor.10.12 How Long Do LED Floor Tiles Last?The service life of LED floor tiles depends on the LED components, protective surface, operating conditions, visitor traffic, maintenance, and product specifications.For a specific project, refer to the manufacturer's rated service-life information and warranty terms. Floor protection and mechanical performance should also be reviewed separately from LED component lifetime.10.13 What is the difference between LED tunnel screen and CAVE immersive room?Four‑sided LED tunnel is a long walk‑through corridor‑shaped installation. A CAVE immersive room is typically a compact closed cubic multi‑wall chamber without a long passageway.11. Build Your Custom Immersive LED Tunnel with MeiyadDesigning a successful immersive LED tunnel requires coordinated planning across display technology, structural engineering, control systems, content mapping, and installation.Meiyad provides customized LED display solutions for immersive projects, helping customers select suitable display products and integrate them into a complete system.Our project support capabilities include:Display Configuration and Solution Design: Selecting suitable LED products and defining the display configuration according to project requirements.Structural Drawing and Layout Planning: Preparing display layouts and structural drawings to support project implementation.LED Display Manufacturing: Providing LED display products for flat, curved, and floor display applications.Control System Configuration: Configuring video processing and signal distribution for multi-surface LED installations.System Commissioning: Supporting system testing, display calibration, and synchronized playback configuration.On-Site Project Support: Providing technical support during project installation and commissioning.Whether you are planning a three-sided LED tunnel, a four-sided closed-loop immersive display, or a customized curved LED installation, Meiyad can help develop a solution based on your space, content, and technical requirements.Contact Meiyad to discuss your immersive LED tunnel project and request a customized display solution.

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