There is no accurate conclusion about how high the pixels should be for a large ultra-clear LED screen. The resolution of computer monitors used to be 1024×768 to meet daily office needs. Currently, the resolution of 2K TVs is 1920×1080, and the resolution of large LED screens is If you want a higher rate, you can achieve it with a larger area. Ultra-clear LED large screens are currently used in places such as security monitoring, video conferencing, and stage backgrounds. From the current technical analysis, the modules of the LED large screen can be cascaded indefinitely, and the number of receiving cards can also be expanded indefinitely. Cards can also be cascaded unlimitedly through the video splicer. From theoretical data and practical experience, ultra-clear LED large screens can be done, mainly depending on the purpose of the LED large screen used by the user.