Xiaomi Patents the entire phone screen a fingerprint reader in the future

Xiaomi appears to be developing a slew of new products, as well as the technology that will enable them. For example, the Redmi K50’s under-display fingerprint scanner has gotten a lot of attention, and Xiaomi is making sure it’s not lacking in any way. Xiaomi was recently granted a patent for a new fingerprint scanning technology, according to the latest report. Thanks to this new technology, Xiaomi can now place a fingerprint scanner on any part of the screen. Once this fingerprint scanner is available on phones, users will be able to unlock their phones even if their finger is not precisely placed on the under-screen fingerprint scanner.

How Does the Xiaomi Full-Screen Fingerprint Scanner Work?

Underneath the capacitive touch screen layer and above the standard AMOLED display, the patent shows an array of infrared LED light transmitters. Infrared light receivers will be placed above the infrared LED light transmitter layer. The capacitive touch screen registers the touch as well as the position and shape of the fingertip when a user touches the screen to scan their fingerprint.

The array of infrared LED light transmitters emits light based on the fingertip’s shape and location. The infrared light receivers receive the reflected infrared light. The infrared light speed data is then used to map out the fingerprint’s outline, which is then compared to the user’s previously saved fingerprint details to confirm their identity.

Users will no longer have to place their thumb in a predefined position to unlock the phone if Xiaomi implements this on its smartphones. To unlock their devices, they simply need to register their fingerprint and verify it on any part of the screen. Xiaomi isn’t alone in developing this technology. In August 2020, Huawei filed a patent for all-screen fingerprint scanning technology. The company, on the other hand, has yet to reveal the technology. Though Xiaomi’s Redmi K50 is expected to include an under-display fingerprint scanner, we may have to wait a while for the most up-to-date technology.

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