Now the mobile phone screen fingerprint technology is becoming more mature. Vivo and Huawei have already used it. The just released Xiaomi 8 transparent exploration version will also use a similar fingerprint unlocking scheme. In this new technology, domestic mobile phone manufacturers have taken the lead.

Galaxy S9

Previously, it was reported that Apple and Samsung were developing screen fingerprint technology. Now, there are more signs that Samsung is preparing to use this technology for the Galaxy S10 released early next year. According to foreign media ETNews, the new generation of mobile phones will have a revolutionary function, which should be the fingerprint under the screen.

Galaxy S9

It is reported that Samsung's technology is under screen ultrasonic fingerprint, which is different from the optical under screen fingerprint used by friends. According to the existing data, the principle of under screen ultrasonic fingerprint is to use ultrasonic wave to penetrate materials, Echoes of different sizes will be generated with different materials (when ultrasonic waves reach the surfaces of different materials, the degree of absorption, penetration and reflection will be different).

The news said that the new technology has a higher accuracy than the fingerprint identification technology under the optical screen, and the unlocking speed will also be improved. However, at present, the yield is low and the cost is high. Samsung has invested a lot of research and development funds for this, but it should only be the specific version of Galaxy S10 that will use the fingerprint under the ultrasonic screen.

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