The current technology used by Apple, which is an
active capacitive fingerprint sensor, works by turning the fingerprint into one side of a capacitor, with a coupling through the conductive bezel around the platen.
In terms of biometric recognition, iPhone will continue to feature Face ID while other brands will use
mainly capacitive fingerprint sensors in the first half of 2018 due to existing technical barriers.
It is the first phone with a 64 bit processor, has a much better camera (Apple has suggested it is as good as a DSLR), and
a capacitive fingerprint sensor to authenticate the owner.
Goodix is the world's first IC designer to develop, patent and commercialize the Live Finger Detection ™ technology and applied to mobile devices, which allows
a capacitive fingerprint sensor and an optical sensor to be seamlessly combined into one.
The in - display sensor is said to be slower than
capacitive fingerprint sensors and require OLED display technology in order to work.
The company had hoped to be able to put the fingerprint sensor, which is currently integrated into the iPhone's home button, underneath the screen using
a capacitive fingerprint sensor, but Apple «continues to struggle with fingerprint solution,» according to Hargreaves.
Recent reports also indicate Samsung may be working with a new supplier for
its capacitive fingerprint sensor.
Such a design statement would be the rear version of removing
the capacitive fingerprint sensor from the front of a device.
The company now owns a patent number 9460332 for a «
Capacitive fingerprint sensor» (via Apple Insider) that may lead to an iPhone without a Home button and traditional Touch ID.
The Galaxy S8 and Galaxy S8 Plus have introduced a new design to Samsung's flagship line, featuring
a capacitive fingerprint sensor on the rear panel of the device.
Below this sits a set of capacitive back and Overview multitasking buttons, as well as
a capacitive fingerprint sensor / home button in - between.
It also works when wet or greasy unlike
the capacitive fingerprint sensors we find on phones today.
It is more than twice as sensitive to fingerprint detection than Synaptics»
capacitive fingerprint sensor.
The most obvious solution would be moving
the capacitive fingerprint sensor to a central location on the rear of the handset.