Update: Microsoft removed the video that shows the transparent OLED...

Transparent OLEDs are exciting (and Samsung wants to tap that market) - but a lot of people wonder what is it really good for? Microsoft is showing a nice concept: using a camera beneath a transparent OLED to create gesture-based UI. The camera "sees-through" the OLED:

Microsoft are using a Samsung-made transparent AMOLED panel.

Kyulux - Hyperfluoresence OLED emittersKyulux - Hyperfluoresence OLED emitters