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Redmi Successfully Achieved LCD Screen Fingerprint!

Redmi K30

We know there are many smartphones supporting screen fingerprint recognition. But there is one issue – this feature is available only on OLED screens. They are better than the LCD screens but they also cost more. This afternoon, Lu Weibing, general manager of Redmi brand announced that Redmi has successfully implemented screen fingerprint recognition on LCD screens.

The innovative use of infrared high-transmittance film material greatly improves the transmittance of infrared light that could not pass through the screen. The infrared transmitter below the screen emits infrared light. After the fingerprint is reflected, it penetrates the screen and hits the fingerprint sensor to complete the fingerprint verification. This solves the LCD screen fingerprint problem.

Also Read: Redmi Note 9 To Have The Fastest Charging In Series History

Lu Weibing said that the Redmi R&D team has overcome the difficulty of using screen fingerprint technology on LCD screens before, and said that the technology has got mass productivity.

screen fingerprint

Currently, on the market, smartphones that support screen fingerprint technology have light sensors or ultrasonic sensors located below the screen. As said above, this currently only allows them to be implemented on OLED screens. The LCD screen has been unable to use screen fingerprint recognition technology due to the obstruction of the backlight module.

And now it seems, the Redmi R&D team has tackled this issue. This simply means that the cheaper phones positioning low-end and mid-range niches will be come with such a feature, bringing it to the larger masses.

Source

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