LG puts its transparent OLED TVs in Harrods windows
 

Despite years of trade show demonstrations, we haven't seen jaw-dropping transparent OLED screens put to much practical use. If others won't use the tech, then LG will have to make an example itself, which will be visible to the public this month in...

https://www.engadget.com/2019/10/08/...nsparent-oled/