Fingerprint readers were pushed to the back by shrinking bezels but may return to the front, except they'll live below the screen. You can't put a selfie camera on the back, however, which resulted in notches on some phones - like the iPhone X and the Essential Phone. But can cameras join the fingerprint reader and live below the screen too? Patent drawings of putting the selfie camera, earpiece and sensors behind the screen A Samsung patent shows such a device. It goes a step further and moves everything under the surface - including the earpiece, the proximity and ambient...
Source: https://www.gsmarena.com/samsung_patent_shows_selfie_camera_may_be_behind_the_screen-news-29217.php
