Samsung's Display division recently held its earnings call for the last quarter of 2020 (4Q2020), which apparently involved profits that grew nearly 800% year-on-year and revenues equivalent to about US$8.9 billion. It also announced that it would indeed get into emerging panel types, including rollable ones, so as to stay competitive in 2021 and beyond.
https://www.notebookcheck.net/Samsung-confirms-it-will-develop-slideable-and-rollable-displays-in-2021.517685.0.html