Not exact matches
The Qualcomm's
sensor for
glass will be the first commercially announced
ultrasonic fingerprint scanner that will be able to scan
fingerprints through OLED displays.
Sonovation announced on Tuesday that it can insert
ultrasonic biometric
sensors under a Gorilla
Glass display, and the device would still be able to read a user's
fingerprints.
Qualcomm fueled the fire for the second option last month when it announced an
ultrasonic fingerprint sensor that works under
glass, metal and water.
It is not yet mentioned how the technology exactly works but we can get an idea from the Samsung patent where they used 12 pressure point
sensors sandwiched between cover
glass and display panel where the scanner passes
ultrasonic signals through an OLED to read the contours of a
fingerprint without making direct contact.
The
sensor, as it turns out, is the latest
ultrasonic fingerprint sensor from Qualcomm that now works through OLED display stacks up to 1.2 mm thick, up to 0.8 mm of cover
glass, or up to 0.65 mm of aluminum (an increase from 0.4 mm for both
glass or metal).
Xiaomi has presumably beaten Apple to punch with its Mi 5s phone (starting at $ 300), which integrates an
ultrasonic fingerprint sensor under its
glass.