How do invisible, under-screen cameras actually work?
(Android Police)

And when can you buy a phone with one? Under-display cameras are poised to be The Hot New Feature, following up on the similar success of the in-display fingerprint sensor. It almost seems like science fiction: You can`t see the camera, but it can see you. The technology promises to eliminate the last impediment in the all-screen phone dream. But how does it work, and when will you be able to buy a phone with the feature? To answer these questions, we sat down to pick the brain of OTI Luminotics` Michael Helander. Read More How do invisible, under-screen cameras actually work? was written by the awesome team at Android Police.