OLEDs: current and future possibilities of these organic light emitting diodes

OLEDs or organic light emitting diodes are a new type of LEDs that can produce paper-thin lights, even foldable.
The principle is well explained on How stuff works.
Examples of designs with this new light type can be found here.

You fade to light is video of an interactive installation by rAndom internationals and Philips Lumiblade, the OLED of Philips Lighting.

Solar Wind Bridge: a design to harness wind and solar energy

The Solar Wind Bridge: an amazing design for a large bridge to harness wind energy and solar energy. Will this design by Italian designers for a competition become reality once?

Flow: a beautiful and eco friendly concept for street lights on wind energy

Source: Igen Design

As mentioned on Webecoist: true innovation comes from seeing a problem and coming up with a solution that is both simple and creative.
A very nice example of true innovation is the Flow, a design by Igen Design of bamboo street lights working on wind energy. It is not only eco-friendly, but also very beautiful.

On the Igendesign Blog, a video can be found on the making of the Flow lamp.