On a larger scale, the cubes could be used to replace walls and floors in a building -- want to change the color of your wallpaper?

ENGADGET: OLED Display Blocks pack six 128 x 128 panels, we go hands-on at MIT (video)

The last century has seen only a few major display innovations, among them the move from black-and-white monitors to color and the introduction of flat, liquid crystal displays to replace cathode ray tubes.

FORBES: Seeing the Light