OPPO patents a smartphone with a curved screen on all sides

Smartphone companies are experimenting a lot right now with curved screens. We have true flagships that have the screen curved on both sides at almost 90 degrees, like the Huawei Mate 30, and the Xiaomi Mi Mix Alpha taks things even further, wrapping the screen around the phone until it almost completely covers the back as well. OPPO seems to be on the trend as well and according to Let’s Go Digital, they patented a smartphone that has a screen…