Xiaomi has filed a patent for a full-screen fingerprint scanner that is hidden beneath the display

Under-display fingerprint scanners have become the norm for Android smartphones over the years, with the majority of flagship devices now including some type of under-display biometric scanner.

Xiaomi is poised to advance this technology further, having just received a patent for a new form of fingerprint scanning technology that would allow you to unlock your phone by placing your thumb on any portion of the screen.

Users would not have to try unlocking their smartphone multiple times if such technology existed. It also eliminates the necessity for the user to unlock the device by placing his or her finger under the fingerprint sensor.

For fingerprint detection, the all-screen fingerprint scanner will not require touching and holding on a specific location. Instead, users will be able to unlock their phones by tapping anywhere on the screen.

The patent, first reported by GizmoChina, was filed on January 4th at the Chinese national patent database. It demonstrates that the technology may be used in conjunction with infrared LED transmitters and receivers placed between a capacitive touch-screen layer and any AMOLED display.

The fingerprint is detected by the LED transmitters through the capacitive touch screen, and the fingerprint data is captured by the infrared light receivers. The data is subsequently processed, and the device is unlocked if it matches the record.

This is not, however, the first time an all-screen touch-sensitive sensor has made headlines. Huawei filed a patent application for similar technology in August of 2020, but no additional information was received about it after that. Apple is also rumoured to be experimenting with an under-display fingerprint sensor for some of its next devices.

In related news, the Xiaomi 11T Pro is scheduled to be released in India. The smartphone is compatible with 120W rapid charging. According to a recent leak, the Xiaomi 11T will be available in 8 GB RAM with 128 GB storage and 8 GB RAM with 256 GB storage. The Xiaomi 11T Pro, on the other hand, is expected to come in the same variations as the Xiaomi 11T and a higher model with 12 GB RAM and 256 GB storage.

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