Xiaomi is working on reaching its future smartphones, and the company's next destination will be Note of Redmi 9. In this case i Xiaomi sub-brand, which recently launched the launch event for the smartphone due to the coronavirus, revealed that it would be the first manufacturer to launch the reader reads the fingers under the active LCD screen.
Students working with the fingers on the screen were present for the last two years, present I'm fine the first company to officially launch a smartphone with such technology. Since then, almost all manufacturers have adopted this feature, or so far could not be used with the LCD screen. Reason: panel structure. However, Lu Weibing, manager of Redmi brand, announced through its Web site networking network, that the company will be the first type to introduce the fingerprint reader under the interactive LCD screen.
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Lu Weibing confirmed that the company had benefited Successfully use the fingerprint scanner under the LCD screen and, I mean, in the publication of the well-known social network they shared the video shown on how this technology works in the Redmi Note 8 Pro prototype. The problem with the LCD screens was that the backlight module would interfere with the fingerprint sensor. An obstacle afterwards, in this department, the Redmi R&D department managed to overcome it.
Redmi uses an efficient fingerprint reader on the LCD screen
The main function of the fingerprint screen is simply reg ister the fingerprint features and send it to the sensor at the bottom of the screen to determine if it matches the user's original fingerprint. However, because the fingerprint sensor is at the bottom of the screen, there must be a channel for transmitting optical or ultrasonic signals
So, currently all smartphones with LCD screen can only use left or right finger pupil. So far, as Redmi has overcome this problem due to the new use of high-speed transmittance infrared film that allows the scanner to "see" the finger.
Other companies in China found out in recent months how to mount the sensor under the LCD panel and it seems like Redmi is the first smartphone maker to bring it to the device. Yes, for now It is not yet known whether it will be the company's first smartphone with an LCD screen to install this technology
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