BRIGHT IDEA - GLOWING WALLS TO REPLACE LIGHT BULBS

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London: A government body that supports low-carbon technology has suggested that light-emitting wallpaper may begin to replace light bulbs from 2012. According to the London Times, the Carbon Trust has awarded a 454,000 grant to Lomox, a Welsh company that is developing the organic light-emitting diode technology.

A chemical coating on the walls will illuminate all parts of the room with an even glow, which mimics sunlight and avoids the shadows and glare of conventional bulbs. Although an electrical current will be used to stimulate the chemicals to produce light, the voltage will be very low and the walls will be safe to touch. Dimmer switches will control brightness , as with traditional lighting.

The technology would be two and a half times more efficient than energysaving bulbs and could make a big contribution to meeting UKs goal of cutting carbon emissions by 34% by 2020, the trust said. The chemical coating, which can be applied in the form of specially treated wallpaper or simply painted on to walls, can also be used for flat-screen televisions , computers and mobile phone displays .

As the system uses only between three and five volts, it can be powered by solar panels or batteries. Lomox, which will use the grant to prove the durability of the technology, believes it could be used in the first instance to illuminate road signs or barriers where there is no mains electricity.  Ken Lacey, chief executive of Lomox , said the first products would go on sale in 2012. The light is a natural, sunlight-type of lighting with full colour range. It gives you all kinds of potential for how you do lighting, he said. Lacey said it could be used to make flexible screens that could be rolled up after use, for example.

Lighting is a major producer of carbon emissions. This technology can produce ultra-efficient lighting for a wide range of applications, tapping into a huge global market, said Mark Williamson, director of innovations at the Carbon Trust. ANI

(SOURCE : TOI)