How do invisible, under-screen cameras actually work?

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.

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How do invisible, under-screen cameras actually work? was written by the awesome team at Android Police.

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