LG Unveils Under Glass Fingerprint Sensor Module Without Button

LG Unveils Under Glass Fingerprint Sensor Module Without Button

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LG today unveiled an under glass fingerprint sensor module which lets smartphone users simply place their finger on the cover glass of their device for identification.

Previous 'button type' modules required you to press a finger on a raised square or circular button for your fingerprint to be read exactly, so the sensor was usually mounted on the front, rear or side buttons of a smartphone. For example, Apple uses its round home button as the fingerprint sensor.

LG cut a shallow furrow of 0.01inches (0.3mm) thick on the lower backside of the cover glass and installed the fingerprint sensor inside of it. With this design, the sensor is not exposed to the outside of the device. High-strength cover glass protects the sensor and prevents it from coming in direct contact with water or damage from scratches.

The new module has a false acceptance rate (FAR) of 0.002%. The FAR is the probability that the system falsely recognizes someone else's biometric information as that of the user.

To adhere the sensor to the inside of the glass, LG developed a proprietary adhesive. The adhered side of the sensor and glass is just 0.0098inches (0.25mm) thick, but it can endure an impact of a 4.6 oz (130grams) steel ball dropped from 7.9-inches (20cm).

Apple has long been rumored to be working on an iPhone with no button and an ultra-thin display that integrate fingerprint sensors; however, we've yet to see any hardware leaks confirming those reports.

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LG Unveils Under Glass Fingerprint Sensor Module Without Button

King Rollo - May 2, 2016 at 9:34pm
Old technology, technically the Apple is under glass in a button as well.. Nothing new..
Nhl21187 - May 2, 2016 at 8:37pm
Like American cars and most products, Apple is now also falling behind in innovation and technology.
. - May 3, 2016 at 3:02am
Why bring that into this? To be clear, the fingerprint scanning technology here is like the iPhone home button technology except all over the display. Also, Apple us only behind because others always release their phones after iPhone which of course their versions are better because they may be using more newer technology.
Mang Domeng - May 2, 2016 at 8:04pm
I still prefer a physical home button because when everything doesn't work well, just press or hold the home button and it will still work. For example the case of a guy who met a car accident and was rushed to the hospital and his phone's screen was totally wrecked and he made a call by pressing the home button to activate siri to dial his dad and called even when his screen was unusable. This is not a hoax but it happened in real life. There are some things that are meant to be that way. iPhone's hardware and software designs are perfect and run seamlessly together. Apple should innovate its iPhone with the wireless charging which is like the wifi system that you don't need a charge pad. It charges anywhere within range or a 1-week battery will be a game changer as well, or lifi connectivity. There are lots of things Apple can change in their devices but not the home button.
Ih85ch001 - May 2, 2016 at 7:01pm
With cool things like this constantly being innovated by LG, I can see them gaining huge market share in the next few years and possibly taking the place of Samsung in the market, because Samsung always tries to experiment with things and what not, and that's kinda what they are known for at this point, and with things like this I think LG may be coming up from behind to take that spot. I just got an LG G5 and I can say its 50x better than my iPhone was, and 25x better than my old G3 was. They're making some nice innovation in my opinion.