In-display fingerprint sensor is no longer a technology of future. Famous Chinese smartphone maker Vivo is the first ever company to lau...
In-display fingerprint sensor is no longer a technology of future. Famous Chinese smartphone maker Vivo is the first ever company to launch a smartphone with this technology. Vivo X20 Plus UD is the first ever smartphone in the history of smartphones to ship with this technology.
Vivo X20 Plus UD
But have you ever wondered how this technology works? Here, we are with this concise blog to make you understand this technology of in-display fingerprint sensor in 4 steps.
An ultrasonic sensor is located underneath display or rear panel.
As we touch the display ultrasonic signals are produced which travel through the OLED screen for authentication purpose.
Once the ultrasonic signals travel through the OLED screen, they create a 3D map of the fingerprint under the display.
Once this data is matched with pre-loaded data of fingerprint, smartphone is unlocked
Hope you have understood the technology. Do share with your family and friends and spread the knowledge.
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