Vivo pioneered the in-display fingerprint technology on the Vivo X20 Plus UD at CES a while ago. The technology hasn't been featured on any other device so far but there are reports that the next Samsung flagship will ship with it, albeit with different mechanics.
https://www.notebookcheck.net/The-Samsung-Galaxy-Note-9-could-feature-a-in-display-fingerprint-sensor.290670.0.html