It is reported that this patent was filed in July, 20 18, which is consistent with one of the two folding screen patents discovered by foreign media in 20 19.
According to comprehensive reports, Xiaomi has submitted two different types of folding screen patents to the Intellectual Property Office:
One of the patents is an eversion folding screen patent similar to Huawei Mate X. The patent diagram shows that its camera adopts a lifting five-camera design. With the outward folding of the screen, these five cameras can be used normally above the screens on both sides, and can be used as front or rear. So its screen ratio is close to 100%. It can be understood as the ultimate version of MIX Alpha.
The second patent is Moto Razr-style flip folding design. Xiaomi's American patent doesn't have Razr or a huge chin, but because of the camera sensor of the receiver, the border remains at the top. The back of the fuselage is divided into upper and lower parts. There is an auxiliary screen on the upper part, and the opening is rectangular, which is convenient for viewing the preview when folding. The lower part is a rear dual camera.
This report exposes more details of the second patent: the Xiaomi foldable mobile phone in the patent picture is equipped with a hinge to connect two display screens. At the same time, a magnet is installed at the edge of the screen.
Of course, as a patent, it may or may not be applied to product design.
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