There are multiple ways to incorporate a secondary display into a device depending on the design, and one such way is to place a second display on the other side of the phone. This is exactly what Xiaomi has done in a patent that has popped up online.
A sketch for the Xiaomi patent has surfaced online and it shows a device with two displays – one on each side. However, this secondary display on the rear is not like that of phones like the Vivo NEX Dual Display or Nubia Z20. Heck! It doesn’t even look like the secondary display of the Meizu Pro 7 Plus. Instead, it is a much smaller display, the same size as the quad-camera housing on the back of the phone.
The sketch shows the screen is placed on the opposite side of the camera housing for symmetry. The display will most likely show caller ID and notification alerts when the phone is placed face down. It should also be able to display miniature controls for music playback.
On the front, the device is shown to have a practically bezel-less design. The primary screen is devoid of a punch hole or notch and the top frame manages to squeeze in a speaker, a proximity sensor, and a notification sensor. There is no selfie camera which means the quad rear sensors will serve a dual function but that is odd since the rear display is too small to serve as a proper viewfinder.
There are no details of the patent just this sketch. So we do not know when it was filed. Nevertheless, this like many more designs we have seen in the past may not appear in a commercially-available device.
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(Via)
