Technologies helping to achieve Bezel-less displays

With smartphone displays getting larger and moving to an 18:9 aspect ratio and display bezels shrinking at the same time, there is hardly any space left at the front of new devices for physical controls or other components. 2018 smartphones will have thinner bezels than the ones we saw in 2017. Smartphones in 2019 will have even thinner bezels and slowly but surely, smartphone makers will get rid of all the bezels and start making devices with “all screen no bezels” design.
This brings the question, where will all sensors, fingerprint, front-facing camera and speakers go?
All companies are coming up with their solution.
Under screen fingerprint sensors
Recently, Vivo unveils worlds first under screen fingerprint sensor phone. That's a big leap towards the future. In coming to future Samsung, Apple, One plus etc will also join the league.
We would love to see a company come up with a screen glass which can be used as fingerprint sensor with no additional components.

Under screen camera
A patent filed by some of the companies, suggests using an OLED display with a very high refresh rate. The system could then activate and deactivate the screen at a very fast rate and allow for camera recording during the inactive periods. This will help to place a camera underneath the screen at center so that the camera and the face of the person you're talking to would be roughly in the same spot.
Screen speaker
Google has quietly bought a UK startup named Redux that uses vibrations to turn phone and tablet displays into speakers.
Redux developed a number of technologies involving sound and touch in mobile devices, but never placed them in any major consumer products. They had displayed a tablet which vibrated its screen to function as a speaker, as well as a number of displays that used hap-tic feedback to mimic the feel of buttons, sliders, and dials.How cool is that? It remains to be seen what Google’s plans are for this technology. But this is the future.

This all technologies will help to get total bezel-less displays and uni-body.
What do you think?
Reply your suggestions.

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