According to a new patent, future iPhones might finally get LED notification light of some sort, which would double as an Apple logo too. The patent tells a story about a transparent layer on the back of a smartphone with adjustable decoration overlapping by the transparent layer changing the appearance of the light that comes out of the logo. There's also a control circuitry that can adjust the appearance in response to an event like a call or missed notification. It's interesting to see this feature being revived after it was removed from MacBooks. As some of you remember, the...