Xiaomi phones may soon have an under-display fingerprint scanner

Xiaomi 11 Lite NE 5G, xiaomi, xiaomi fingerprint,

Xiaomi has received a new patent for a full-screen fingerprint sensor design. The new technology may mean that future Xiaomi phones can detect fingerprints on the entire screen, eliminating the need for touch and hold in one place for accurate detection.

This can greatly increase the success rate of fingerprint unlock because placing your finger anywhere across the screen will be good enough to unlock the phone itself.

How it works

Xiaomi’s patent reveals that the technology will work using an array of infrared LEDs transceivers that will be placed under the capacitive touch screen layer, but above the AMOLED display panel.

Xiaomi 11 Lite NE 5G, xiaomi, xiaomi fingerprint, Check out the patent granted to Xiaomi (Image Source: ITHome.com)

When you place a finger on the screen, the capacitive touch screen will detect the interaction as well as how the finger is positioned. Infrared LED transmitters will illuminate this particular area while infrared receivers will capture and process the fingerprint data.

The ambient infrared LEDs (which here refer to the rest of the screen) won’t light up, saving your strength and eyes. The processed fingerprint data will be compared to the saved fingerprint data and the phone will determine whether to unlock the phone.

report from GizmoChina He notes that Huawei has also filed a patent for its own technology that uses the entire screen as a fingerprint scanner. This patent was filed in August 2020 in six markets, including China, Europe, the United States, Japan, Korea and India.

This technology has not yet been announced, but Xiaomi could be able to bring the technology to the commercial smartphone market.


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