Designer Harc Lee just came up with a brilliant idea. His credit card-sized Pocket Light is small enough to store in your wallet. Pop it out and fold out its bulb-shaped luminaire, and you have a clever little lightbulb-shaped lamp.
A couple of years ago, we would've scoffed at this design concept, saying it's not possible yet. But with paper-thin batteries already here and OLEDs becoming more practical every day, this design concept could soon see the light of day.
Take a look at two more angles of the Pocket Light: