This week Synaptics announced it’s begun mass production of an under-glass, in-display fingerprint sensor and that the company is working with a top five OEM. Earlier this year we’d heard that Chinese smartphone maker Vivo was working on phones with under-glass fingerprint sensors.

Coincidence? Nope.

In an article for Forbes, Patrick Moorhead says he got a chance to test a pre-production Vivo phone using the new fingerprint sensors from Synaptics and he confirmed that Vivo will be the first company to ship phones using the technology.

Moorhead says the fingerprint sensor worked as expected:

  • Tap the power button to wake the display.
  • Press your finger to the image of a fingerprint that appears on the display.
  • That’s it. This list just felt weird without a third bullet point.

Eventually you may not even have to tap a button at all, if Vivo adds a lift-to-wake feature to the phone (although I’ve found that this sort of feature can be a bit hit or miss on phones that have it).

Under-glass fingerprint sensors could be especially useful on phones with “full view” or “infinity” style displays that have bezels too slim for a traditional fingerprint sensor. Another solution is to just put the fingerprint sensor on the back of the phone. Some folks prefer that since it lets you tap a finger to the back of a phone while you’re holding it… but it does make it tougher to unlock a phone that’s lying flat on a desk or tablet.

Apple’s solution for the iPhone X is an advanced facial recognition system called Face ID that uses a 3D projector and camera system to unlock a phone only for authorized users, no fingerprint required.

But Synaptics says its Clear ID fingerprint sensor is faster than Face ID, and Moorhead suggests it’s also cheaper to implement. And since Clear ID uses optical scanning to analyze fingerprints through a phone’s glass and display, it could also have advantages over other fingerprint readers: it’s said to work even if your finger is wet or cold.

Vivo may not be a household name in the US or Europe, but IDC says it’s one of the top 5 global smartphone brands. If the technology proves popular in China and India, where Vivo operates, we could see demand for similar features on phones from other companies which are sold in more markets.

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One reply on “Vivo smartphones to be first with under-glass fingerprint sensor from Synaptics”

  1. The roadmap is a more cost effective version next year and then in 2019 or a bit later, the sensor would cover the entire display. Ideally you wouldn’t even know that it’s there, you got the home screen and just open w/e app you need to open.

    With facial recognition you can’t go 100% display, you need a bezel/notch. Lots of people cover their faces on a regular basis (burqa, some winter outfits,some glasses, surgical masks in Japan, pollution masks in China and so on). And ofc it lacks maturity, it’s not cheap and likely a bit power hungry- not very power hungry with what Apple is using as it’s short range, 25-50 cm optimal range I believe.

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