In-Display Fingerprint Is Coming To Budget Phones, Thanks To Redmi

In-display fingerprint sensors have always been one of the major differentiators between a budget smartphone and a flagship. That is because the technology is restricted to OLED displays, often found in high-end smartphones.

However, this is bound to change soon as Redmi, for the first time, has shown an LCD phone with an in-display fingerprint sensor. Lu Weibing, Redmi’s general manager, posted a video on Weibo showing off an LCD phone bundling an in-display fingerprint, and the technology behind it.

Here’s How Redmi’s In-Display Fingerprint Works?

A fingerprint sensor beneath an LCD glass was irrational, until now, since they are thick and don’t allow light to pass through the screen.

However, Redmi claims it uses “infrared high-transmittance film material” that enables light to pass through the LCD screen.

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Is Redmi alone?

Last year, many tech companies went forward with their plans to produce LCDs that support an optical in-display fingerprint scanner.

Back in June 2019, BOE, a display manufacturer who has previously made Huawei Mate 20 Pro display panels, announced it would join hands with AUO Optronics to develop such LCDs. Moreover, Fortsense, a Chinese firm, said, back in last April, that it has managed to create an LCD screen that works with an in-display.

Redmi may have collaborated with another Chinese technology company to come up with this. This also means other Chinese smartphone makers will also announce smartphones that will have in-display working under an LCD glass.