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Apple develops new optical Touch ID sensor under the screen: the new iPhone will have a major change in appearance | duzline.com

Unlike other manufacturers, Apple has its own sensor factory, and they have been developing under-screen fingerprint technology. Judging from the current situation, this technology will soon be used on the iPhone.

According to the latest report from foreign media, Apple is working on a new fingerprint sensor technology that can work with off-axis angle light through the iPhone display.

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The company has been researching various types of display embedded fingerprint technology, including capacitive systems and ultrasonic sensors.

In a new patent application, Apple focused on optical fingerprint sensing technology, which uses light instead of ultrasonic vibration to read and analyze fingerprints.
The new patent application details a new method that specifically uses reflected light. As the patent points out, this technology addresses some of the problems of optical fingerprint sensors.

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In other words, it alleviates the problem that the light reaches the fingerprint and is clear enough to read, and the problem of light diffraction.

In one embodiment of the patent, the apple can embed a light-emitting layer covered by a transparent layer to illuminate the surface.

The bottom layer in this configuration can include a grating layer, a collimator layer, and a pixelated image sensor. The grating layer will bend the reflected light to produce oblique light.

From there, various apertures and collimator layers can spatially process the received light. Then, the image sensor can further analyze the processed light.
Another method involves Fresnel prisms or Brad gratings to rebind oblique rays into straight rays.

The report mentioned that one of the benefits of Apple’s enabling under-screen fingerprints is that it can solve the current problem of Liu Haiping, and it can also solve some of the low-end iPhones that are too old.

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It was previously reported that the next generation of iPhone SE will be equipped with under-screen fingerprints, and some versions of iPhone 13 may also have this design.V#duzline

The post Apple develops new optical Touch ID sensor under the screen: the new iPhone will have a major change in appearance first appeared on duzline.com.

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