LG's new fingerprint reader sits under a smartphone screen

Fingerprint readers are increasingly ubiquitous in smartphone design, so much so that the question is not whether to include one, but where to put it. Where some manufacturers have chosen to add readers into buttons on the front or raised sections on the back of their devices, LG Innotek has a new idea -- put it under the phone's screen. The LG affiliate announced today that it had developed a new fingerprint sensor that it has slotted into a tiny 0.01-inch (0.03 milimeter) space cut into the un...