Microsoft research has unveiled a new research project that enables a 3D interactive desktop using a Samsung-made transparent OLED and a Kinect camera. The idea is that the user types on a keyboard that sits behind the monitor, and he can also manipulate 3D objects using his hands. The system also uses head tracking (to change the 3D perspective):
This isn't the first time Microsoft is using a transparent OLED in their research. Back in June 2010 Microsoft revealed a concept setup that uses a camera beneath a transparent OLED to create gesture-based interaction.