If you want to customize an LED display that can be viewed from different angles, and quickly capture the audience’s attention, then a spherical LED screen will definitely be an ideal choice. This article will introduce everything about spherical LED screens to you and provide you with reliable purchasing suggestions.
What is a Spherical LED Screen?
The spherical LED screen is a three-dimensional display system that consists of multiple arc-shaped LED modules. It is formed into a sphere or a hemisphere by a special structural frame and modules. The spherical screen breaks through the logic of traditional flat vision. It can display content in a 360-degree manner and has no obvious boundaries on the screen.
Moreover, the special design of the shape makes it more appealing to the audience and brings you more commercial value. However, correspondingly, its production cost and content production cost are both higher than those of normal LED displays.
Features of Spherical LED Screens
360° Viewing Experience
The display surface of a spherical screen is a full sphere or a hemisphere. The traditional flat LED screens have a very limited viewing angle. However, when you stand at any position around the spherical screen, you can see a clear and complete image. This gives it an advantage in many scenarios, such as shopping mall atriums, exhibition spaces, and concerts.
High Visual Impact
Spherical screens have a unique design; unlike flat or rectangular screens that display in two dimensions, they are three-dimensional. It breaks the visual limits of 2D screens and is more immersive than flat screens. In particular, the spherical surface can play rotating, flowing, and 3D animations, which will create a more immersive visual effect.
High Communication Value
The spherical screens have a unique appearance. In any indoor or outdoor space, they will naturally become the focus of the audience’s view. Moreover, because these screens are not common, they easily attract attention and are shared on social media. This can create a natural social media buzz and improve the exposure of your brand.
Premium Feel
Besides basic display functions, a spherical LED screen can also be seen as a spatial art installation. This makes it very suitable for some professional and high-end occasions, such as technology exhibition halls and brand launches.
Structure of Spherical LED Screen
Structural Layer
The structural system of the spherical screen is composed of an aluminum alloy framework, a segmented load-bearing structure, and an installation and hoisting structure. The large sphere displays have higher requirements for force application and center calculation, and their structural design is also more complex.
Display Layer
The display layer of a spherical LED screen consists of three parts: LED modules, LED beads, and the driver ICs inside the modules. It is the part that displays images and video content with light. In addition, the display layer can also determine the screen’s resolution, refresh rate, and grayscale display.
Driving Layer
The driver layer consists of an IC, a power board, and circuits. It is responsible for controlling the brightness and color of each pixel. The high-end driver layer can achieve a high refresh rate and a high grayscale display, which makes the picture smooth and without flickering. Besides, outstanding circuit design can also improve the heat dissipation and stability of the module.
Control Layer
The control layer consists of: sending card, receiving card, control software, and signal processor. It is a crucial factor that determines the overall performance. The control system converts video or image signals into LED module-compatible matrix signals. Meanwhile, it handles spherical mapping, and prevents the content distortion on the curved surface.
Applications of Spherical LED Screens
Shopping Mall Atriums
The suspended or floor-mounted LED screens are very suitable for placing in shopping malls or at their entrances. When used in business, a more modern and attractive design is always an effective promotion.
Stage Shows
The spherical screen has a very attractive visual appeal. When placed on the stage, it naturally becomes the visual focus of the audience. Besides, the 360° content playback enables the audience on the stage to experience the entire scene, no matter which side they are standing on. Therefore, the spherical screen is very suitable for being arranged on the stage.
Museums and Exhibitions
The spherical screen can provide an immersive science popularization display for the audience. It can attract the audience’s attention, and it also shows a strong sense of technology. Moreover, the spherical design enables it to fit well with various display themes, such as the Earth and satellites.
Landmark Buildings
There is no doubt that the spherical LED screens, especially the large ones, have an extremely strong visual impact. When it is known as a building or even a landmark of a city, it can enhance its influence and also bring about significant advertising value. For example, the exterior of the MSG Sphere in Las Vegas, USA, is a huge spherical LED screen.
Installation Method of Spherical LED Screens
Suspended Installation
Suspended installation is the most commonly used mounting method for spherical LED screens in commercial projects. It uses the top of the sphere as the main hanging point and adds support cables and anti-sway devices, then it hangs from the ceiling. This installation method does not take up floor space, and it also has a stronger sense of floating.
Floor Stand Installation
If the building structure does not support hoisting, then a ground-level installation would be an ideal choice. It is usually installed by adding a heavy base and an internal load-bearing structure. This installation method is simple, allows the whole unit to be moved, and makes maintenance easier.
Hemisphere or wall-mounted
For different projects, you can also consider using hemispherical LED display screens. It can be placed on the ground or on the wall, and it will match the style of your building space. The cost and construction difficulty of the hemispherical LED screen are both lower than those of the complete spherical screen, and it is a very cost-effective option.
Considerations When Customising a Satisfactory Spherical LED Screen
Sphere Diameter
The spherical LED screen can be customized in various sizes. Small spheres with a diameter of less than 2 meters are suitable for small exhibition halls; A medium-sized sphere with a diameter of about 3 meters is suitable for shopping malls or large exhibition halls; When the diameter of the sphere exceeds 4 meters, it can be used for landmark buildings or large science museums.
Pixel Pitch
The spherical surface will cause visual distortion. If the resolution is too low, it will affect the clarity. For LED screens, the pixel pitch is the key factor determining whether the screen is clear or not. It is generally determined by the viewing distance. For example, when the viewing distance is within 2 meters, you can choose p1.8 or p2.5.
Installation Method
Different installation methods lead to different costs and maintenance difficulties. The installation methods of spherical LED screens are mainly divided into hanging and floor-mounted types. In addition, you can also consider using a hemispherical LED screen. They can be installed wall-mounted, and the cost will also be lower.
Plan Content in Advance
The flat videos will be distorted if mapped onto a spherical surface. This requires you to use a spherical projection algorithm and distort the original rectangular video depending on the curvature of the sphere. And then, you can generate the deformed content.
More than this, the control system also requires certain geometric correction capabilities. This way, you can ensure a good final outcome.
FAQs
What is the Difference Between Spherical LED screens and Traditional Flat LED Displays?
The surface of a normal flat LED screen is flat. It can only present two-dimensional images, and the viewing angle is also limited. The surface of a spherical LED screen is spherical or hemispherical. It can display images in 360° and create a 3D visual effect. The full image can be seen from any angle.
Is the Maintenance Cost of a Spherical LED Screen High?
The maintenance cost of a spherical LED screen is similar to that of a flat LED screen. Its core components are similar to those of ordinary LED screens. Therefore, the hardware maintenance cost of this type of screen is not significantly higher than that of a flat screen.
Does a Spherical LED Screen Consume a Lot of Power?
The power consumption of an LED screen mainly depends on its pixel pitch, brightness, screen area, and the usage environment. A sphere screen is a three-dimensional structure, and its surface area is larger than that of a flat screen with the same diameter. Therefore, its pixel count and average power consumption will also be higher.
How do Spherical LED Screens Perform in High-Temperature or Humid Environments?
The spherical LED screen can operate stably in high-temperature or high-humidity environments. The specific capabilities depend on its structure and protection level.
Generally, outdoor LED screens can operate normally in an environment ranging from -20°C to 60°C. In an outdoor environment, the IP rating of a spherical screen typically needs to reach IP65 or higher to prevent water vapor from entering.
Final Thoughts
JINGYLED has focused on LED screen production for over ten years. We can produce many types of spherical LED screens: touch spherical LED screens, 4K spherical LED displays, and so on. We will customize the details according to your situation, and ensure that your spherical LED screen can operate stably.
