LG Fingerprint Scanner Is Housed Inside a Smartphone's Display

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No more frustrating finger aerobics when trying to unlock your phone: LG today introduced smartphone cover glass with an embedded fingerprint sensor.

The concept gives your digits more real estate than a traditional home button. Just place a finger anywhere on the screen for instant recognition; LG said its new module has a false acceptance rate (FAR) of 0.002 percent. Because the module is sealed under a layer of glass, it remains protected from splashes and scratches.

It also allows for a sleeker, cleaner aesthetic, unbroken by a raised square or depressed circle at the bottom. LG's solution, which is 0.3mm thick, is inserted on the lower backside of a smartphone's cover glass. The company said it developed its own adhesive to attach the sensor to the glass.

"LG Innotek expects that demand for fingerprint recognition technology will dramatically increase due to the expansion of the mobile payment market," the South Korean manufacturer said in a press release.

According to market research firm IHS, 499 million sensors were sold globally in 2015, a number that's expected to nearly double to 1,600 million in 2020, LG points out.

LG's new flagship G5 smartphone houses its fingerprint scanner on its back; volume buttons have moved to the side.

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