Samsung has laid claim to a design for a new kind of screen that could bring a new kind of secondary display to a next-gen smartphone. It consists of a panel in the shape of an inverted L, so that one part of it can fold away to lie flush with the back of a given handset. Now, a creator has had their renders of this hypothetical device published via their tech blog partner.
https://www.notebookcheck.net/Samsung-s-patented-L-shaped-foldable-display-appears-in-stunning-new-smartphone-concept-renders.607100.0.html