The launch of the Galaxy Fold and Galaxy Z Flip is a testament to Samsung’s successful commercial exploration of collapsible phones and has built its own technical barriers. Before the launch of the second-generation Galaxy Fold, Dutch technology media letsGoDigital discovered a new Samsung folding phone patent that enables a two-folded Z-shaped design.
The patent, filed in April 2018, was filed on May 26, 2020 by the USPTO (U.S. Patent and Trademark Office) and WIPO (World Intellectual Property Office) and provides eight design patent illustrations. The upper screen section can be folded forward, while the lower screen section can be folded back. The folded part has a gap that, after folding, creates a “Z”-like curve that the user can use by folding only a portion of the screen.
In the patented design illustration, no buttons, ports, and cameras are displayed. This may be related to the patent being filed by Samsung Display, not samsung Electronics. Samsung Display is more focused on screen development, and Samsung Electronics will build on the design details.
The above images are from https://nl.letsgodigital.org/opvouwbare-telefoons/samsung-galaxy-smartphone-clamshell-model/