In-display fingerprint scanners on smartphones have been around for a few years now. Ultrasonic and optical scanners are two technologies with both serving the same purpose of biometric authentication. The former is usually found on premium flagship smartphones. Now, a reliable tipster Digital Chat Station on Weibo reveals information on ultrasonic scanners coming on some devices in the future.
OPPO, OnePlus, Realme may adopt ultrasonic fingerprint scanner
DCS says that OPPO, OnePlus, and Realme are working on the ultrasonic in-screen fingerprint scanner for their devices. If everything goes well, the technology will replace the optical fingerprint scanner on future flagship devices from the brands. The tipster does not reveal any additional details.
Currently, the Samsung Galaxy S23 series, iQOO 12 Pro, Meizu 21/21 Pro, and more utilize this technology. Previously, it was reported that this year’s Xiaomi 15 series with Snapdragon 8 Gen 4 SoC will be equipped with Goodix’s single-point ultrasonic fingerprint scanner technology. It is said to be in the testing phase.
Ultrasonic fingerprint scanners create a 3D map of the fingerprint by using ultrasonic sound waves beneath the screen when the finger is pressed against it. This technology offers more security and is less susceptible to spoofing. It is also resistant to water and smudges with high detection accuracy. However, ultrasonic fingerprint scanners are expensive to manufacture and the process is also complex compared to optical fingerprint scanners.
Meanwhile, optical fingerprint scanners are less expensive and secure and use light to capture 2D images of the fingerprint.
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