Mitsubishi is working on a floating display
 

While it's not the 3D Star Wars hologram you're hoping for, Mitsubishi is developing a system to project video in mid-air, which it hopes to commercialize in time for the Tokyo 2020 Olympics. To pull it off, the company is using two types of optical...

http://www.engadget.com/2016/02/19/m...ating-display/