Rumors in the past pointed out that the Samsung's Galaxy A series for 2019 could come with an in-display fingerprint sensor. Samsung was previously expected to adopt this technology for its 2019 flagship smartphones only. However, given the company's new approach to pickup mid-range segment, the company has shifted its focus. According to a new report, Samsung has reportedly locked down the supplier for these sensors. Galaxy A series to feature optical display-based fingerprint sensors and China’s Aegis Technology will reportedly be supplying the in-display fingerprint sensor for the Galaxy A (2019) series. These sensors will be optical sensors, though, not as advanced as the Qualcomm's ultrasonic sensor that will ship with the Galaxy S10. Optical sensors work by lighting up the screen and having the light reflect off the finger. This will allow the sensor to capture the image and use the algorithm to detect the pattern which is unique for every fingerprint. Chinese manufacturers that already have devices with display-based fingerprint sensors on the market largely use these optical sensors. Ultrasonic sensors are more accurate as they use ultrasound to create a 3D image of the fingerprint. The highly detailed 3D reproduction of the fingerprint allows for improved security as well. ...
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