It looks like LG is looking a few steps ahead with its rollable smartphone design. The company still hasn't come out with a working foldable handset and here we start to see an even more advanced screen technology that can bend in two directions. Earlier this month, LG has filed a patent about the rollable smartphone that we talk about. It's a bit different than the rollable pen kind of phone we've reported a year ago. The images in the patent reveal a full-fledged smartphone with a screen that bends in more than one direction and has two hinges. This way the display wraps around the...