The 2020-editions of LG NanoCell TVs range from 49-inches to 86-inches and come in 4K or 8K flavours. With some editions available to purchase now, LG will start offering 8K models from next month. Varying between US$599 and US$4,999, all models support Google Assistant, Amazon Alexa, AirPlay 2 and Apple HomeKit.
https://www.notebookcheck.net/LG-NanoCell-2020-TVs-Up-to-8K-86-inches-and-priced-from-US-599.460730.0.html
>use a layer of 1 nm particles to filter out image impurities and deliver "stunning colour reproduction"
...this seemingly does nothing to answer how it works.