Here is a web page with a promising technology...
http://www.io2technology.com/
The "display" (or whatever) it´s called "Heliodisplay" and reproduce video in the air

Actually not big contrast, but very promising, up to 150¨
Nacho.
http://www.io2technology.com/
The "display" (or whatever) it´s called "Heliodisplay" and reproduce video in the air
Actually not big contrast, but very promising, up to 150¨
Nacho.