In order to improve the user's visual experience and use experience, LED splicing screen products take "efficiency" as the design principle, including installation efficiency, plug-in efficiency, maintenance efficiency, design mode connection design, wireless plug-in (power signal) design, LED module front maintenance design, making the splicing of products more convenient and fast, and solving the problem of low efficiency of traditional display products in all links, the new patent technology of LED common negative energy saving has improved the energy efficiency by 30% compared with the previous one. The design of 3-layer optical coating on the surface of LED screen can bring consumers a healthier visual experience.