Oppo already showcased their under-display camera technology at MWC Shanghai, and we know vivo and Xiaomi also have prototypes. It appears another Chinese manufacturer is planning to join the game - Huawei has just filed patents for the user interface and how the area over the camera will be used. Some of the solutions for the UDC area It appears that Huawei has at least half a dozen solutions for the area. One of the images reveals it will show the time you are on a call, while another will be the Camera Mode (as pictured with AI Mode). There can also appear info about...