One of the ways Apple is reportedly hoping to slim-up the iPhone is by adopting a thinner touchscreen display. Earlier this week, The Wall Street Journal reported that the next iPhone will sport display with the touchscreen sensors built into the LCD panel, eliminating the need for a separate touch-screen layer. The display, made by, Sharp, LG Display Co., and a new company called Japan Display Inc., will be manufactured using a new technology called "in-cell." While there's no word on whether the new screen will be more energy efficient that the previous models, the extra space will allow Apple to possibly add a larger battery. 

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