LG has introduced its latest form of organic light-emitting diode technology as OLED EX. The OEM claims that this new type of panel incorporates deuterium to further enhance display brightness and performance in the resulting TV screens. OLED EX devices are also projected to be thinner with slimmer bezels compared to current models.
https://www.notebookcheck.net/LG-previews-its-next-gen-OLED-EX-based-TVs-ahead-of-CES-2022.589389.0.html