At this stage, the LED large screen realizes naked-eye 3D, which is to add some optical structures to the display screen, so that the images presented enter the left and right eyes of the person to produce parallax, and the 3D picture can be seen without wearing any special glasses or other devices.
![Huawei and Baotong Technology signed a memorandum of understanding to cooperate in the field of naked-eye 3D[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)