In-screen fingerprint sensors work by capturing the fingerprint pattern using a sensor located beneath the device's display.
Here's a breakdown of how the process works based on the provided reference:
- Finger Placement: When you place your registered finger on the designated fingerprint icon on the screen.
- Sensor Activation: The Clear ID sensor, positioned below the AMOLED display, activates.
- Fingerprint Capture: The sensor captures an image of the fingerprint resting on the screen.
- Pattern Recognition: The sensor identifies the pattern by distinguishing between the dark and light areas formed by the fingerprint's ridges. This information is then used to authenticate the user.
In essence, in-screen fingerprint sensors leverage optical or ultrasonic technology to scan and verify the unique patterns of a fingerprint through the phone's display.