Apple's new patent for foldable iPhone has been approved: with built-in spring layer, the screen is not afraid of falling

According to news on April 17, although Apple has been unable to launch the folding screen iPhone, it has actually been developed internally for many years, but some hard problems have not been solved yet and it has not been mass-produced, such as screen creases and resistance to falling.

However, the latest patent information shows that Apple has found a way to improve the screen’s drop resistance.

According to a list recently announced by the United States Trademark and Patent Office (USPTO), Apple has obtained a patent for a folding screen mobile phone, focusing on the new spring layer concept. to reduce pressure when folding.

According to reports, the spring layer is composed of a metal spring array, and then sensors such as force sensing structures (such as strain gauges) are embedded in the spring layer. Various flexible metals can be used, such as spring steel, nickel-chromium Aluminum alloy, beryllium copper alloy, stainless steel, cobalt-nickel alloy and other spring metals.

If necessary, foam columns and other compressible structures can be interspersed with springs to help tailor the performance of the spring layers.

Apple introduced that the introduction of a spring layer into folding screen devices can relieve the external pressure on the device in events such as impact and squeezing, and can also alleviate the stress on the screen during repeated folding and unfolding processes, thus Improve the durability of foldable screen devices.

In addition, a previous Apple patent also realized self-healing of the screen, which can cover the screen with a layer of "self-healing" material to reduce cracks. Marks and scratches.

Various signs indicate that Apple’s folding screen technology reserves are improving, and it may be significantly ahead of its competitors after the launch of the folding screen iPhone.

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