Fingerprint sensor in mobile screen In fact, the fingerprint sensor made by sensor company Synaptics lives beneath the 6-inch OLED display. That's the "screen" you're actually looking at beneath the cover glass. You can see it in our photos here. Fingerprint sensor in mobile screen When your fingertip hits the target, the sensor array turns on the display to light your finger, and only your finger. The image of your print makes its way to an optical image sensor beneath the display. It's then run through an AI processor that's trained to recognize 300 different characteristics of your digit, like how close the ridges of your fingers are. It's a different kind of technology than what most readers use in today's phones. Synaptics, which demoed the Vivo phone in a crowded booth at the back of an interminable hallway, says that the fingerprint reader won't suck up much more battery by illuminating your finger, promising that its pow...
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