Visionox is a company involved in the manufacture of flexible display panels. Its latest trick has been the Mi Mix Alpha, Xiaomi's new limited-edition wraparound-screen phone. It has recently opened a new assembly line on which similar screens measuring up to 18 inches can be produced.
https://www.notebookcheck.net/Mi-Mix-Alpha-grade-screens-could-arrive-on-laptops-soon.435702.0.html
That's not a flexible display, it's just a curved display, albeit more curved than usual.