While consumer electronics companies struggle to take vividly bright OLED display technology from cellphones up to computer screens and TVs, the lighting industry may have more luck using it as a potential successor to Edison's bulb and fluorescent tubes.
OLED technology uses less energy than incandescent bulbs and, in laboratory use, is nearly as efficient as fluorescent. The color of the light OLED produces is closer to natural light than either of the two dominant bulb technologies. The OLED lights can be both flat and flexible, even placed in glass that is transparent when the light is off.
Full story from the Wall Street Journal