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Qualcomm Debuts Under-Display Fingerprint Sensor

Qualcomm have announced a new technology that is capable of scanning fingerprints through a smartphone display.

The company debuted the ‘Qualcomm Fingerprint Sensor for Display’ at Mobile World Congress Shanghai 2017, and claimed the technology is capable of scanning through OLED display stacks of up to 1.2mm, as well as up to 0.8mm of cover glass and up to 0.65mm of aluminium.

“We are excited to announce Qualcomm Fingerprint Sensors because they can be designed to support sleeker, cutting-edge form factors, unique mobile authentication experiences, and enhanced security authentication,” said Qualcomm’s vice president of product management, Seshu Madhavapeddy.

Samsung Galaxy S8 Fingerprint Sensor

Recently, smartphone manufacturers like Samsung and LG have been pushing a bezel-less design in their flagship smartphones, which has made it necessary to move fingerprint sensors from the front to the back of the device.

Qualcomm said its ultrasonic fingerprint solutions are also capable of recognising directional gestures, detecting heart beat and blood flow, and even matching fingerprints underwater.

“This provides OEMs and operators with the ability to offer truly distinct, differentiated devices with added value on truly groundbreaking new devices,” Madhavapeddy said.

The new technology is being made available to OEMs this month, with the first commercial devices using the technology becoming available in the first half of 2018.

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