LG has announced that it will launch a new smartphone called Velvet in 2020. It will be powered by a 5G-enabled Snapdragon 7-series processor, and is believed to replace the flagship G-range. Now, there is also some evidence that suggests it will get a V60 ThinQ-esque case that adds a second display.
https://www.notebookcheck.net/The-LG-Velvet-phone-will-have-a-Dual-Screen-accessory.462105.0.html