Technology behind in-display fingerprint sensor
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.