Qualcomm introduced its next-generation of fingerprint scanning solution called Qualcomm Fingerprint Sensors that will work under display, glass and metal at the MWC Shanghai 2017 event.

And now Vivo has also announced its "Under Display Fingerprint Scanning Solution" based on Qualcomm Fingerprint Sensors, as we reported earlier, called Vivo Under Display.

Vivo Under Display Ultrasonic Fingerprint Scanner

As the name suggests, Vivo Under Display offers the under-display fingerprint scanning. Vivo demoed it along with Qualcomm at the MWC 2017 Shanghai on a modified version of Vivo XPlay 6 smartphone prototype and the same technology will be used in Vivo's upcoming flagship smartphones. Qualcomm Fingerprint Sensors technology works under the display, glass and metal. So hopefully Vivo will use all of them soon as well.

As already mentioned above, Vivo Under Display fingerprint unlocking solution is based on the Qualcomm Fingerprint Sensors technology. The ultrasonic wave from the Qualcomm sensor can penetrate an 1.2mm thick OLED display to scan and recognize user's fingerprint to unlock the device.

Vivo Under Display technology uses the piezoelectric effects to generate and receive the ultrasonic signals through the smartphone screen. Due to this, different reflection strengths gets generated at the fingerprint ridges and fingerprint valleys to create a unique fingerprint image, of the user that can be scanned later for the identification and unlocking the device

The benefit of this technology is smartphones will no longer need a physical button as fingerprint sensor that will eventually improve the screen-to-body ratio, better design and waterproofing of the devices.



Regarding the Vivo Under Display, the company, said:
"Compared to traditional capacitive and optical fingerprint recognition technologies prevalent in the industry, Vivo Under Display has tremendous advantages in terms of waterproofing and anti-ambient light.

Based on ultrasonic technology, the fingerprint recognition technology can be further expanded to realize user interaction, such as gesture recognition, security verification and other fields, which will greatly enhance user experience."

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