Luminous wallpaper on the way?

What if you could have an entire room wallpapered in flexible, paper-thin light? Maybe you could even control that light’s color and intensity in different areas. That's the goal of General Electric researchers, who just achieved a breakthrough toward making that possible. The key to making this affordable is roll-to-roll processing, a method of manufacturing organic LEDs (OLEDs) that works a whole lot like a printing press. - DVICE