All Samsung smartphones NEW Form Factors patent applications.
Samsung's patent application was published earlier this month in the US and filed in May 2015. It was originally filed in Korea in 2014. Considering that this is a patent application, the timing of such a product to market is unknown at this time.
Samsung Smartphone Form Factors images posted in this order below: (thanks to patentlymobile.com)
Scrollable (rolled and unrolled) smartphone.
Tab Style Smartphone.
Foldable Smartphone using a hinge system.
Related before post: USA: Samsung patent application for its foldable smartphone is on the US Patent and Trademark Office.