Samsung files patent application for in-display fingerprint sensor technology

A patent application from Samsung showing in-display fingerprint sensing technology unlocking a smartphone is the latest indication that the company may soon implement biometric authentication on an all-screen device, Android Headlines reports.

The application shows a hidden optical sensor located near the bottom of the display. The display area changes color or brightness when touched, uses the different or brighter light to scan the finger, and unlocks the phone.

Previous patent applications by Samsung describe authentication on larger areas of the screen, compatibility with LCD displays in addition to OLED panels, and a swipe-based fingerprint unlock solution using a very small scanning area, according to Android Headlines.

Recent reports have suggested that the forthcoming Galaxy Note 9 will include an in-display fingerprint sensor, although the opposite has also been suggested.

Android Headline also mentions reports that in-display fingerprint authentication will be integrated in the Galaxy S10 in the first half of 2019. Mantis Vision was recently reported to be working on a 3D camera for the Galaxy S10, so Samsung may also be preparing to integrate facial recognition in that flagship device.

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