Redmi, a Xiaomi spin-off phone brand, says it has made in-display fingerprint sensors that work with LCD screens. Previously, only OLED screens supported them.

HIGHLIGHTS LCD panels are not capable of transmitting light by default, which is why it's difficult to make in-display fingerprint sensors work with LCD displays.

Now, Redmi is showing off a new under-display fingerprint sensor that works through an LCD panel. So far, under-display fingerprint sensors have only been possible on OLED displays.

Xiaomi sub-brand Redmi has demonstrated an LCD smartphone with an in-display fingerprint sensor. This could bring the tech to much cheaper phones.

At the Huawei Developers Conference, the company showcased an LCD display smartphone with an on-screen fingerprint sensor. According to the company, this device will soon go into mass production.

At that time, the company claimed that the Note 11T series feature the best LCD screen so far.

3M is announcing the development of NITS which enables smartphones featuring LCD displays to use in-display fingerprint sensors of the optical kind.

Researchers at the University of Washington's aptly named Ubiquitous Computing Lab can turn any LCD monitor in your hous into a touchscreen, with nothing more than a $5 sensor that plugs into the ...