The five major applications of spherical LED screens include information display, interactive experience, 3D display, art performance and popular science education. The following is a specific explanation of these five applications:

1. Information display: The spherical LED display screen can display information in an all-round way, attract the audience's attention, and improve the effect of information communication. For example, in a science and technology exhibition hall, the spherical LED screen can be used to display important information such as exhibition content, time, and location, so that the audience can see it at a glance.

2. Interactive experience: The spherical LED display screen can interact with the audience through touch screen technology to increase the audience's participation and interest. The audience can operate on the spherical screen and participate in the interactive experience of the exhibition content, making the visit process more vivid and interesting.

3. 3D display: The spherical LED display screen can achieve 3D display effects and display the content to the audience in a more realistic way. Whether it is the introduction of exhibits in the science and technology exhibition hall or the visual effect display in other occasions, the spherical LED screen can bring an immersive visual experience to the audience.

4. Art performance: The spherical LED display screen can be used for various art performances, such as projection art, music performances, etc. Its all-round display effect can bring a shocking audio-visual experience to the audience and enhance the artistic appeal of the performance.

5. Popular science education: Spherical LED display screens are also widely used in the field of popular science education. It can be used to display scientific knowledge such as the universe and the earth, and help the audience better understand scientific principles and phenomena through a full range of display methods, increasing the fun and attractiveness of popular science education.

In general, the spherical LED display screen plays an important role in many fields with its unique display effect and a wide range of application scenarios. With the continuous advancement of technology and the in-depth expansion of applications, it is believed that the spherical LED screen will play a more important role in the future.