Apple Explains What's Inside the iPhone Duo's Folding Screen
The iPhone Duo's inner display uses a complicated, multi-layer structure that Apple says will hold up to wear and tear. There are 10 ultrathin layers in total, including a nano-textured cover layer made from a custom polymer that Apple says is up to 40 percent stiffer than "other materials used in the industry," which presumably means other foldable devices. Apple added high-strength glass above…
Inside the iPhone Duo's folding screen is a complex, multi-layered structure designed to withstand the rigors of daily use. Apple reveals that the inner display is comprised of ten ultra-thin layers, with a nano-textured cover layer made from a proprietary polymer that is 40% stiffer than materials used in other foldable devices.
This layer is flanked by high-strength glass and a titanium plate, forming a sturdy stack that allows the display to bend without excessive strain. Custom adhesives facilitate the smooth gliding of these layers past one another, reducing bend stress during use. The exterior of the display features a nano-texture layer that reduces glare and minimizes the visibility of the crease when folded, while a scratch-resistant coating further protects the display.
The outer display is safeguarded by Ceramic Shield 2, similar to the iPhone 18 Pro models, while the back of the iPhone is also coated with Ceramic Shield. Unlike these exterior layers, the inner display utilizes the custom polymer cover instead of Ceramic Shield. Both displays support ProMotion, Always-On features, and True Tone, and can achieve a peak brightness of 3,000 nits outdoors.
This intricate design ensures durability and optimal performance for Apple's first ever folding iPhone.
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