The Galaxy S10 is expected to be Samsung's first device with an in-display fingerprint reader (but the Note and Galaxy A series should join it soon after). A report coming out of Taiwan suggests that the company will use Qualcomm's latest ultrasonic reader for the job. Qualcomm's first ultrasonic reader came out in 2015 and there was a sequel unveiled in June last year. A third generation reader has been developed and it finally meets Samsung's requirements. But the company will need a huge supply for the initial launch and has reportedly tapped Taiwanese companies General Interface...
Source: https://www.gsmarena.com/samsung_galaxy_s10_to_use_qualcomms_thirdgen_ultrasonic_fingerprint_readers-news-33179.php