US Patent 11397333 Optical display system, AR display device and VR display device

An optical display system and an AR/VR display device are provided. The optical display system includes: a display screen; a first optical structure, disposed on a light emitting side of the display screen, and configured to divide light from the display screen into different types of polarized light; and a second optical structure, disposed on an emitting path of the different types of polarized light to an image forming side, and configured to form a plurality of virtual image planes corresponding to at least two focal lengths.