Directly from MWC 2017 in Shanghai, Qualcomm, today unveiled its new Snapdragon 450 but also a new way to unlock your smartphone with your finger. A biometric sensor hidden under the glass of the device. Here’s how it works.
The willingness on the part of manufacturers of smartphones is to introduce in the coming months a biometric sensor for the smartphone unlocking no longer visible but hidden below the display in such a way as to exploit the fashion of fashion that sees screens completely borderless which therefore do not give more truly on the front space for the positioning of a physical sensor. That Qualcomm , during the MWC 2017 in Shanghai, presented alongside the new chip Snapdragon 450 , also its technological solution “Fingerprint Sensor” . A real sensor with ultrasonic fingerprint recognition which therefore allow a safe release of the smartphone without incurring special designs for its placement.
In this case at the technical level the new sensors presented by Qualcomm work both below the display , and then in the lower part of the display, under the metal shell or glass but also below the glass to protect the display real. A triad of solutions which therefore will allow smartphone manufacturers to realize every kind of device that it is high but also band for the mid-range or low.
As stated in the opening of the new Qualcomm system involves the use of ultrasound technology that will allow to recognize the touch via the screen. In this case, however, there are some prerogatives so that the whole functions with the solution at the bottom of the display: the same, in fact, must be of type OLED and do not exceed a thickness of 1200 uM . One limitation which could then foresee the use of this sensor in smartphones high where clearly the band producer will place a type of OLED display that costs significantly more than the traditional LCD. The new Qualcomm sensor, however, will also allow the detection of the heartbeat as well as the blood pressure , which ultimately improves the fingerprint detection and, therefore, the total safety release.
For other versions, the Glass and Metal, Qualcomm declares as the smartphone manufacturers will be able to integrate these sensors at the bottom of aluminum or glass surfaces with a maximum thickness of 650 uM for Glass and Metal 800 uM for that. Palese clearly the possibility of integrating the various sensors with Qualcomm processors and in this the company has outlined how the same for glass and metal are compatible with the Snapdragon series 650 and 630 unlike the sensor hidden below the display instead will be exploited by future incoming chip but also with non Qualcomm processors.
As for availability , Qualcomm, said that the two sensors Glass and Metal will be available to smartphone makers as early as this month and will be used by the first half of 2018. As for the sensor “top gamma “hidden below the display, the company expects to make it available to manufacturers in the fourth quarter of 2017.