Now, LG is doing the pioneering, and is touting its new fingerprint sensor that sits under the display.
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Fingerprint sensors on most phones are immediately obvious, due to being fitted inside buttons on the front like the iPhone or Galaxy S7, or into a recessed square or circular cutouts on the back of a phone, like most Huawei devices, or the LG G5. Having a fingerprint reader typically means that you’ve got a button or some other distinct shape on a device, but with a new technology from LG, that will no longer be necessary. It will work the same way as current sensors as users will just need to place their finger on top of the glass and it will scan and unlock their devices.
With this module, the sensor is not exposed to the outside of the device, so manufacturers can produce a sleeker smartphone. Beyond aesthetics, though, the placement also protects the module from water, dust and moisture damage, as is common with sensors placed on a home button.
LG Innotek (CEO Jongseok Park) today announced an under glass fingerprint sensor module. LG adds that the adherence side of both the glass and the fingerprint sensor is 0.0098-inch (0.25mm) thick and can resist the impact of a 130 gram steel ball dropped from 7.9-inch. Most importantly, the fingerprint accuracy of this new module is nearly same as the button type with a false acceptance rate (FAR) of 0.002%.
“We are concentrating on all our resources to the development of the differentiated technology based on the creation of customer values”, said Kim Chang-hwan, LG Innotek’s research and development center chief.
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LG has developed a way to implement fingerprint sensing technology into a smartphone display.
