Vivo unveils first under-the-display fingerprint smartphone at CES 2018

Vivo's Groundbreaking Fingerprint Sensor is Changing the Smartphone World

"The company emphasized the solution's capability of accommodating full-size displays that take up nearly the entire front face of a mobile device, and the convenience of maintaining a front-facing fingerprint scanning system with respect to the user experience".

Chinese tech company Vivo made waves at CES earlier this month, when it debuted the world's first smartphone with an in-screen fingerprint scanner. It is a CMOS device, created to be placed below an AMOLED screen. Users will have the opportunity to authenticate payments as well as authenticate any other action directly relating to traditional finger-scanning technology. The prompt can appear even when the screen is off, and will disappear when it is no longer needed.

When your fingertip hits the target, the sensor array automatically turns on the display to light your finger. The optical sensor can't physically sense a pulse, but Synaptics told us that it has built in a robust anti-spoofing system to ensure its reader can't be fooled by others trying to imitate your fingerprint. The only way to unlock the phone is to make the screen active and then click the home button icon for the sensor to activate and detect your fingerprint.

The new technology also allows phones to be thinner, and the Vivo phone is certainly slim - which is good, because the huge display makes it both tall and wide. The near-final design uses an optical signal so the sensor can see right through the display.

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One lucky reporter had the chance test the new feature, but Vivo has yet to announce the official name of the device. Fingerprint sensor is prone to that and it is not a big secret that placing it under the display makes flawless sense.

Until Vivo officially launched the technology, device manufacturers had to find various alternative methods in order to achieve a bezel-less display on the phone.

For now, the under-the-display fingerprint sensor works with only OLED displays. That way, you'll be able to place your fingers anywhere to unlock the phone. Device manufacturers were left with very little options, one of them being moving the fingerprint sensor towards the back of the phone - a move which received mostly negative reviews.

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