Folding OLED (Organic Light Emitting Diode) displays are something of a holy grail in the screen market. First it was higher resolution, then it was bigger!, and then thinner! (which is pointless because your DVD player is will 12 inches deep). While those are all great, folding is greater still. Folding OLEDs mean screens that countour to whatever shape is necessary. That means fish-eye screens for simulators or desktop monitors, and it means large screens on folding gadgets, like cell phones:
This is Samsung's thumb-our-nose-at-the-competition proof-of-concept. No word on what this tech costs, but it is safe to say that it is nowhere near "affordable" yet.