In recent years, in large shopping malls or events, the figure of an "3D LED fan" has always been seen. Its appearance resembles a fan, but when it rotates, it can display various patterns.
The holographic fan, as a 3D display device that can replace transparent screens to display a good appearance, uses holographic projection technology to display content from any angle as a 3D image, without the need to wear 3D glasses, allowing the naked