China-based BOE Display demonstrated many OLED displays at SID 2019, including new flexible, foldable, rollable and automotive AMOLED displays. Here's a video showing the company's complete SID lineup:

BOE also demonstrated its 55" ink-jet printed OLED TV prototypes and the company's latest OLED microdisplays.

The rollable OLED is apparently 12.3" in size (although early reports suggested it is 14-inch), while the new foldable AMOLED is 7.7" when opened and 6" when closed.