Led ceiling screen is generally installed on the ceiling of buildings, playing a rendering, decoration, lighting effect. It is generally suitable for the ceiling of large buildings, such as the lobby of high-grade star hotels, commercial pedestrian streets, city center square, etc., with large area, light weight and different shapes. Led sky screen is the use of modern optical display technology and advanced LED R & D production technology, thousands of LEDs (light emitting diodes) constitute a graphic display equipment that can display video, image, text and other information. It is hoisted on the ceiling of the building to render, decorate and brighten. It is generally applicable to the lobby of high-grade star hotels, large shopping malls, commercial pedestrian streets, city center squares, large stage, etc. On the ceiling of large-scale buildings, it has large area, light weight and different shapes. The appearance of LED sky screen is caused by technology, and it is also a development trend of commercial lighting design. The "led sky screen" system has a dazzling LED display effect in the design, coupled with a three-dimensional sound reinforcement system, which perfectly achieves the image sound synchronization. The large-scale led ceiling screen suspended on the ceiling is like a bright and deep sky with gorgeous colors. Combined with new LED light strips, light belts, spotlights and other lighting equipment, it plays a role of lighting and rendering. Exposure to it gives people a strong visual impact of shocking visual and auditory experience, become a tall indoor display screen, integrated with the building. Realize the interlacing of light and shadow and the lingering of vocal music.