Although the foldable touchscreen display — and same can be said about the foldable handset concept as a whole — might need a few years to reach the mid-range area of the market, Gartner estimates that foldables will go up to reach 5 percent — or 30 million units — of the high-end smartphone market by 2023.
https://www.notebookcheck.net/Gartner-Foldable-handsets-to-grab-5-percent-of-the-high-end-smartphone-market-by-2023.415975.0.html