LG has previously teased or showcased devices with rollable displays. Now, its latest patent, approved by the US Patents and Trademarks Office (USPTO) in September 2020, may show the OEM's latest take on the technology. It is a box housing a display that can be unfurled horizontally and be used as a a drawing device.
https://www.notebookcheck.net/LG-patents-a-a-pull-out-display-device-with-stylus-support.495002.0.html