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.

The technology allows BOE to use in-display fingerprint sensors with LCD displays. Mass production is set to begin later this year.

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.

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.

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

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.

As per the new leak, the upcoming Redmi Note series phone will have an OLED panel, which will be integrated with a fingerprint sensor.

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