British scientists have made glass screen for smart phones, which uses the same charge once a week the phone will need to face. The scientists report that 90 percent of mobile devices do light up the screen in which the battery is used. Scientists have made with the purpose of the screen to increase the life of battery. Screen display using the glass makes radio waves, which can be seen in the light of the Sun and glass to charge the battery once a week due to get hold of. According to the reports; the battery life have improved very less and its life still stands as a major problem. According to a report earlier this year, Apple, laptops and mobile phones companies give guarantee to their customers that they have been developing battery that may charge mobile phones once a week only. The Minister of energy of the United States in 2012 made an order five times in 5 years about which battery needs to be charged. Scientists still have the views that battery did not improve much after its birth it needs to change the technology root level.