At CES 2021, LG will be showcasing two new OLED display technologies. One is what the manufacturer calls a Bendable Cinematic Sound OLED panel that can curve or flatten as per viewing preference. The other kind of display is a transparent OLED that enables simultaneous information display and transparency for use in homes and commercial settings.
https://www.notebookcheck.net/LG-shows-off-bendable-and-transparent-OLED-innovations-ahead-of-CES.513023.0.html