According to the manufacturer LG, these TV s are compatible.

OLED models: ZX, WX, GX, CX, BX series
NanoCell models: NANO99, NANO95, NANO91, NANO90, NANO86, NANO81 series
4K UHD models: UN85, UN81, UN80 UN74, UN73, UN71 series

Found this info on the homepage https://www.lg.com/ch_de... I hope I could help.