Optical Fingerprint Sensor, Will Integrate Samsung This Technology in The Galaxy S8?

Biometric security has now become a usual appearance on many smartphones. Its most extended form are fingerprint sensors and today we find them, not only in high-end mobile, but also in the middle range, and there are several available technologies. Samsung has already tested several technologies and could bet on a new one with the Samsung Galaxy S8.

Traces of the latest Galaxy S sensor is mounted on the front start button and it is capacitive, but there could be changes in this piece. According to the rumors, Samsung wants to be its next flagship “full screen” and that would mean the Elimination of the finger sensor, which It would be under the own glass and it could be optical type, but is this the best option?

Optical or ultrasonic sensor?

There is still enough for the arrival of the Samsung Galaxy S8, but the interest that this range, combined with the vacuum left by the Galaxy Note 7, ago rumors intensify and the latter continues to support the theory that the next model would follow the line of “full screen” that is rumored about 8 iPhone and yesterday we saw with Xiaomi my Mix.

To get the screen to occupy all the front without sacrificing the fingerprint reader, Samsung would happen of a capacitive sensor one optical that would allow you integrate it under the own glass, but for that there are more appropriate technologies such as Sense ID of Qualcomm, which works by ultrasonic.

To learn more about this hypothetical decision, we have consulted to Umanick, a Spanish start-up dedicated to biometric security in health. Ilko García, CTO of Umanick, reflective optical sensors capture a two-dimensional image that is much easier to replicate, While sensors capacitive as that now leads the Galaxy S7 added a plus to take into account the irregularities of the footprint.

Optical sensors with more easy to deceive, they have larger parts and consume more energy, so they are not the best choice for a mobile device

In addition, the optical sensors are usually larger that the capacitive (although there are variants that allow to create smaller parts), consume more and they are sensitive to light, so it is not the best option.

We are especially cautious with the rumor of sensor optical, firstly because its implementation would be a step back in terms of safety. In this sense, as we said the integration of a sensor with technology of Qualcomm sounds most plausible, for safety and because it is easier to integrate into the panel.

On the other hand, in relation to the possibility of Samsung to forward the release date of the Samsung Galaxy S8, an officer of the company has confirmed that all the controversy of Note 7 has not led to changes in its usual calendar, so can we expect the S8 Galaxy end of February coinciding with the international fair Mobile World Congress, the usual appointment for the brand.

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