Apple Granted Patent For Transparent AR Phone
[Philip Lelyveld comment: the tech allows for edge-to-edge displays with all the tech behind the screen, rather than at the edges. Cameras, speakers, touch sensors, ... can be built into openings in the screen.]
It also paves the way for a secondary display unit by making a portion of the back of the phone transparent by using glass and enabling users to view scenes through that unit. In turn, this would allow Apple to create an Augmented Reality (AR) experience, similar to the one available through the hit game Pokemon Go. Except, in this case, iPhone users will be able to view an augmented version of the scene before them through the glass display instead of through a camera lens (as happens in most AR
See the full story here: http://www.investopedia.com/news/apple-granted-patent-transparent-augmented-reality-phone/?lgl=bt1tn-above-textnote