Wiki Tech

We all use fingerprint scanner and face unlock in our phones. We also use strong pin or pattern on our mobile phones. But there is a new thing i.e. Underdisplay fingerprint scanner . Today, we talk about underdisplay fingerprint scanner and also how its works?  How its magic works that fingerprint scanner scan our fingerprints from inside the screen. How we can improve in future?? Under a  screen is available a camera that captures the image of our thumb and fingers and matches with the registered fingerprint. Based on that you unlock your phone otherwise that shows try again. We all think that how's it done?? This process only works on AMOLED displays(where is not any back light). It is not works on IPS displays because there is present a set up of back lights means that display is not a transparent. But in AMOLED displays pixel lights up itself and the gap between this pixles camera captures the images. ALSO READ- 9 Crazy Wearable Devices!!! In-dis...