Vivo showcases the world first under display fingerprint sensor


Based on Qualcomm’s ultrasonic fingerprint technology Vivo has published a video in its Youtube channel showcasing a finger print scanner under its display. This was also demonstrated at an event in MWC Shanghai 2017. This technology allows to place a finger print scanner under an OLED display while the screen is fully functional.

This technology uses ultrasonic waves instead of capacitive and optical scanners which makes it much superior as it can be used even with wet fingers.

Because of this ultrasonic technology the finger print can be placed inside an OLED display with up to 1200um of thickness and even under metal, glass, plastic or even sapphire display. Similar under glass fingerprint sensors were used on Xiaomi devices in the past like in Mi 5s. They can opera under glass with up to 800 µm of cover glass and up to 650 µm of aluminum, an improvement over the previous generation’s 400 µm capability for glass or metal.

Qualcomm Fingerprint Sensors for Glass and Metal are expected to be available to OEMs this month, and are expected to arrive in commercial devices in the first half of 2018. Qualcomm Fingerprint Sensor for Display is expected to be available for OEMs to evaluate in the fourth quarter of 2017.

The Samsung galaxy was expected to have this kind of finegrprint scanning solution but due to the timeframe they couldn’t give us this solution .Also the iPhone 8 is also supposed to have this kind of fingerprint scanner embedded inside its display according to some recent patents by Apple.




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