Goodix this month introduced its first optical in-display fingerprint reader for smartphones featuring rigid or flexible AMOLED screens. The company claims that performance of the sensor is higher when compared to traditional capacitive fingerprint solutions. The reader is already used inside Vivo’s X21 and Huawei’s Porsche Design Huawei Mate RS smartphones. Goodix calls its new product as “Optical In-Display Fingerprint Sensor”, which emphasizes that this is the company’s first product of this kind and it does not have any special brands or model numbers for it - it is just called the 'IN-DISPLAY FINGERPRINT SENSOR' in the materials (it is even trademarked as such). The sensor sits up to 1.6 mm below the surface of the display and captures reflected fingerprints between and through the OLED...

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