http://www.techradar.com/news/apple-patents-rival-to-samsung-galaxy-x

Just last month we heard that Apple might not launch a folding iPhone until 2020, but we may already have an idea of the form it will take, as the company has published a patent housing some clues.

Spotted by Patently Apple and filed with the US Patent and Trademark Office (USPTO), the patent details an electronic device with a flexible display which can be folded in half.