A recently published patent application filed in the US by Microsoft describes a “multi-sided electromagnetic coil access assembly” that would be the crux of a folding PC display. Or in other words, think of Samsung’s Galaxy Fold, only instead of a phone that opens up into a tablet, this could be a dual-display variant of a future Surface

Source: Hot Hardware – Is Microsoft’s Folding Display Patent A Precursor To A Dual-Screen Surface PC?