Redmi implemented the In-Display fingerprint scanning feature on the LCD screens successfully. The Redmi global General manager just announced the technology in detail that, the new technology first experimented on the Redmi Note 8 Pro LCD screen & it’s working fine. Also, he attached the video reference of the LCD screen fingerprint scanning feature on the Redmi Note 8 Pro. Now let find how the In-Display fingerprint scanning works on the LCD screens.
Likewise, compared to the rear, side-mounted fingerprint scanning, In-Display fingerprint scanning is most reliable & convenient for daily usage also, most consumers wishes the same. But, keeping the AMOLED displays on the budget & the midrange price segment will not be possible for the brand because the AMOLED screens are more costly compared to LCD screens. In order to overcome this issue, Redmi is a first brand experiment the In-Display scanning feature on LCD screens. For that, Redmi used the Redmi Note 8 Pro to experiment with this feature.
Redmi Experiment In-Display Scanning on LCD screens
The principle of LCD display fingerprint scanning works just by record the impressions of the fingerprint and sends it back to the sensor located below the screen and finally, matches with the user initial fingerprint impression. However, the LCD screens are having the backlight module beneath the screen so transmission of the optical or ultrasonic signal is not possible directly. But there is a channel is needed to convey the recorded fingerprint impression to the sensor located behind the LCD display.
The Redmi research & development team used the innovative infrared high-transmittance film material which greatly improves the transmittance of infrared light that could not pass through the screen. The infrared transmitter located at the bottom of the screen emits the infrared light after the reflection of the fingerprint on the display. After that, it penetrates the screen and glows the fingerprint sensor to complete for the fingerprint scanning verification. This is how fingerprint scanning works on LCD screens. As said already, Redmi is a first brand brings these feature similarly, more brands will soon implement these feature to overcome the side & rear-mounted fingerprint scanning. Therefore, hereafter upcoming budget & mid-range mobile sports with LCD display will also, feature with In-Display scanning technology. Also, it still unknown, whether the upcoming Redmi Note 9 series will feature in-display fingerprint scanning or not.
Likewise, let me know, What is you preference on using the fingerprint scanning whether, In-Display or Rear-mounted or Side-mounted. Please drop your comments below in the comment box.