A new LG patent has surfaced showing a device that features rollable OLED display technology. Similar to the foldable smartphones that are headed our way in 2019, this is a much more radical approach that will yield devices that can be both incredibly compact yet can be unrolled to reveal a large display.
https://www.notebookcheck.net/New-LG-patent-shows-rollable-smartphone-tablet-concept.387636.0.html