Xiaomi has reportedly filed a new patent for smartphone displays with under-display selfie cameras. This one depicts them as part of a triple-camera phone, which suggests this tech is closer to real-world use at this point. In addition, the new sensors in question appear better integrated into the rest of the device compared to the OEM's last known IP on this subject.
https://www.notebookcheck.net/Xiaomi-may-have-patented-a-breakthrough-in-its-under-display-camera-phone-tech.464123.0.html
It's purely a Design Patent... nothing about implementation or technology. Xiaomi is just saying, "if there is an underscreen camera, we own it because we thought of it first!"
Sorry Xiamoi, looks like you may have a possible patent infringement case on your hands, but your design might be different from Apple's 2009 filing.
Since I'm not allowed to post links, search for: "Apple files patent for camera hidden behind display" if interested in learning more.