What is the fingerprint unlock under the smart lock screen?

Due to the popularity of the full screen concept, traditional fingerprint unlocking, whether it is unlocked by frontal scratching or pressing, or unlocked by the back, will affect the appearance of smart devices such as mobile phones. Fingerprint recognition requires a fingerprint collection window, which will inevitably affect the screen ratio, so the fingerprint under the screen will come into being.
The screen fingerprint recognition technology, also called invisible fingerprint technology, is a new technology for completing the fingerprint recognition and unlocking process through the underside of the screen glass. It mainly uses ultrasonic, optical and other penetrating technologies to penetrate various materials to achieve fingerprint recognition. purpose.
The technology is optimistic is the ultrasonic fingerprint identification means, which can realize the fingerprint unlocking of the screen in the true sense, unlock directly on the screen, do not need the back fingerprint sensing notch, and do not need the front fingerprint sensing device, even under water Implement the fingerprint unlocking process.
Advantages of the screen fingerprint:
1. Fingerprint recognition under the screen can greatly increase the screen ratio. The current comprehensive screens for mobile phones, fingerprint locks and other devices refer to designs with a screen ratio of more than 80%. In fact, very few mobile phones meet the requirements. Even if it is 80% of the screen ratio, it is only a relatively comprehensive screen. Fingerprint recognition still occupies a part of the area. Of course, back recognition is a more compromise solution, but the operation is more complicated and affects. The integrated design, the operating experience is not good, does not meet the requirements of future industrial design.
2, the operation is more sanitary, the fingerprint recognition under the screen does not need to touch the fingerprint module, so it will not leave fingerprint marks and will not leave oil stains. It can greatly reduce the influence of finger dirt, grease and sweat on unlocking, and make fingerprint unlocking more sanitary.
3. The identification is more stable and adapts to different usage environments. Traditional fingerprint recognition, due to oil pollution, dirt, obstructions and extreme environment, fingerprint recognition process is biased, easy to identify failure, and screen fingerprint recognition is expected to solve this problem, through penetration recognition technology, even under water The recognition process can also be completed and can be used normally in multiple usage scenarios.

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