Last month we saw a patent by Sharp about a vertically folding phone. Today we are treated to an early prototype by the company and the device looks every bit as interesting as the sketches that depicted it. The folding phone is said to feature a 6.18" 1440 x 3040 AMOLED panel with a fairly large notch, which folds inward right in the middle. Sharp claims that the device is capable of withstanding 300,000 folding cycles so long-term durability should not be an issue. A brand official believes there will be high demand for such a device as it would excel in the portability...