Patent ID: 9720247
Date: 2017-08-01
CPC Classifications: G02B,H04N

Claim:
1. A three-dimensional display system, comprising: a display device; a barrier located at the light emergent side of the display device; and a distance adjusting structure arranged between the display device and the barrier; wherein the distance adjusting structure is used to adjust the viewing distance of the three-dimensional display system by adjusting the distance between the display device and the barrier; wherein the display device consists of a display region and a boundary-closed non-display region encompassing the display region; and wherein the distance adjusting structure comprises at least one hollow cavity arranged at the non-display region, the volume of the hollow cavity being capable of being increased or decreased accordingly by inputting or outputting gas or liquid to/from the hollow cavity, the at least one hollow cavity comprising multiple hollow cavities that are arranged uniformly at the non-display region.