Xiaomi has earlier confirmed that it is working on a smartphone with under-display camera technology.
Oppo says that its first smartphone with an under-screen camera will be launched in the near future.
Oppo poster teased on Weibo shows a smartphone with an in display sensor on the surface of a smartphone in the highlight.
The video teased by Oppo shows an all-screen front camera hidden underneath the display.
A rough translation of this patent states that there is a secondary display under the main display.
A new WIPO patent filed by Samsung hints at two models which have a hole cut out into the display.