"Flat panel makers in Korea, Japan and China are investing to build capacity for large-size OLED panels since the second half of 2019, and the move is likely to usher-in a new period of competition in the global panel industry.
Makers' plans to enhance their deployments in the large-size OLED panel segment come as the small- to medium-size OLED segment is likely to see oversupply in the near future due to recent capacity ramps by some makers." – Minsoo Kang