Apart from 3D displays that either do or do not need glasses, and VR headsets, most computer displays offer a picture that’s flat as a pancake. However, there is another approach to displaying images that’s much more substantial. If you really want to feel like the virtual world is in the room with you, then volumetric displays are what you want.
Source : Those 3D Sci-Fi Displays are Finally Real (And They Run Doom)