The Smartphones of the Future Will Charge Themselves

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The smart phones are loaded with applications and are loved for their crisp displays. These features drain a lot of energy and a smart phone user is perpetually hunting for power outlets. The smart phones may be extremely trendy but they also need to be recharged pretty often to keep them running.

The good news is that scientists have been looking for ways to help the batteries run longer or may be eliminate the need to recharge the phone externally.

Smartphones of the FutureUCLA Materials Science Department has made breakthrough in the field and have developed a way to keep the phone charged even when continuously in use – the phone will be designed to charge itself.

The more it is used, the more recharging energy it will create. It may sound unbelievable but science has managed to bring life to the principle.

A smart phone uses energy whenever its screen is lit up, which is every time the phone is being used.

The LCD display of a phone consists of two polarized transparent sheets. Pixels or liquid crystal molecules are trapped between the two sheets. Each time the phone is in use, an array of LED back light switches on.

The backlight passes through these sheets to make display possible and the polarized sheets absorb almost 75% of the light.

Scientists have taken advantage of this and have developed a photovoltaic polarized sheet. It converts the absorbed backlight into electricity that in turn recharges the battery. These photovoltaic sheets will also absorb light from the sun and any other light source.

Therefore, the only time the phone will not be charging is when it is lounging in your purse or pocket. The technology will soon enable not just smart phones but also tablet computers and other electronic devices to keep themselves charged.

Wysips have announced another breakthrough. They have a working prototype of a phone that is charged with the help of solar power. The phone has a mini solar panel that is mounted on the screen.

The solar panel captures solar or any other external light and converts it into electricity to provide energy for the phone. This could mean that later models will be able to eliminate the battery altogether implying a future of thinner phones.

The only draw back with the prototype is that the panel is small and does not produce sufficient energy to keep the phone running, thus requiring a battery back up. Of course that these steps of science are just the beginning but the world looks full of hope to the day when Wysips will be able to design phones that will be self-sufficient.

(photo credit: advancedsmartphone.blogspot.com)

Filed Under: Green Products

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