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Future Smartphones Could Effectively Recharge The Battery Themselves

Recharge SmartphoneFuture smartphones could gain the ability to recycled energy which is usually wasted, according to a group of research scientists at the University of Cambridge.

Project coordinator Professor Arokia Nathan has found a new way that smartphones could effectively recharge themselves as they are actually using up electricity.

The trick is to place an invisible panel over the top of an OLED screen, the likes of which you can find on the Samsung Galaxy S2 and Nokia Lumia 800, in order to capture light which is wasted by the display and convert this back into electricity which can top up the battery.

Prof. Nathan and his team have discovered that 64 per cent of all of the light emitted from current smartphone displays is actually pumped out at the sides and is ultimately wasted because it is of no benefit to the user.

By coating the display in a wafer-thin film of specially treated silicone and combining it with some other confusing but apparently brilliant scientific gadgetry the wasteful nature of smartphone screens can be reversed.

The prototype models only generate about five milliwatts when applied to smartphones with displays measuring 3.7 inches across and at the moment this can apparently be used only on models with OLED screens, which is still a relatively niche technology in itself.

However, this does bode well for the future since the upcoming handsets destined to launch in the coming months are increasingly focused on using larger displays which will inevitably consume more energy and waste more light.

The Samsung Galaxy Nexus is arguably the first such mobile to be available to consumers, its HD 4.65 inch Super AMOLED screen improving clarity, contrast and colour capabilities when compared with its older rivals.

The Nokia Lumia 900/Ace is also set to use OLED technology on its 4.3 inch display, although a resolution of 800×480 is predetermined because it uses Microsoft`s strictly controlled Windows Phone operating system rather than the more flexible Android platform found on Samsung`s effort.

Battery issues have been plaguing several major manufacturers since the race to produce larger and more powerful smartphones began. Apple has come under fire since the arrival of the iPhone 4S and iOS 5 operating system as users have complained of much poorer battery performance than they deem reasonable.

Nokia`s own Lumia 800 has been the subject of similar criticism, with both it and Apple attempting to remedy the issues using software updates since the hardware is already set in stone.

Future deals on HTC mobiles might include the option to affix the Cambridge-developed device which recycles waste light into energy to charge the battery, although this Taiwanese manufacturer tends to prefer the route of increasing battery capacity rather than improving the efficiency of the smartphones it makes as a whole.

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