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What is full screen fingerprint recognition and how to realize 2022-08-22 16:52:53

How to realize full screen fingerprint recognition Technology?

Full screen fingerprint recognition

The full-screen fingerprint recognition solution includes a controller, a fingerprint identification component and a fingerprint light source connected to the controller.

The fingerprint light source is used to emit infrared detection light to the fingerprint area, the fingerprint identification component is used to identify the fingerprint area and receive the infrared detection light, and form fingerprint information, and the controller is used to control the opening of the fingerprint light source in the fingerprint area. , the fingerprint light source in the non-fingerprint area is turned off.

It uses the direct-type infrared LED to change the identification light source of the full-screen fingerprint to infrared light, which is separated from the original display light source, and the fingerprint identification sensor only receives infrared light.

When performing fingerprint recognition, when the fingerprint touches the screen, only the infrared LEDs in the fingerprint area can be turned on, and the surrounding infrared LEDs can be turned off.

Compared with the current screen fingerprint recognition solutions on the market, the unlocking area of the full-screen fingerprint is larger, and the posture is not selected. It is said this may be the ultimate solution for phone lock screen fingerprints.

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