Transformer Smartphones Morph to Fit Function

Shape-shifting prototypes give us a glimpse of the future mobile devices.
University of Bristol, Department of Computer Science

Six new prototypes for shape-shifting smartphones and mobile devices were recently unveiled, along with a method for classifying such devices as they make their way from research labs to the consumer marketplace.

Led by researchers from the University of Bristol's Department of Computer Science, a team of computer scientists presented a series of so-called “Morphees” they believe could help create Transformer-like mobile devices of the future.

“Morphees are the future generation of flexible mobile devices,” lead researcher Anne Roudaut told Discovery News. “These are mobile devices that can change their shape on their own.”

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Roudaut envisions future users downloading games embedded with form factors that curl the edges of thin, mobile devices inward to resemble a game console shape, with the curved sides doubling as triggers for shooting games. Additionally, Roudaut sees the edges of Morphees bending to protect screen content or passwords and touch screens that take the shape of its displayed object.

The prototypes were made out of a range of materials like plastic, paper and wood, along with shape-changing materials and shape-memory alloys.

One prototype consisted of a plastic sheet sandwiched between two electrode layers. When voltage was applied to the electrodes, electrostatic forces squeezed the sheet, causing it to expand like a future touchscreen might do. Shape-memory alloys are special malleable metals that return to their original shape after being heated. These metals were primarily used as wires on the underside of four prototype displays. Passing an electric current through them caused them to bend, contorting the display "surface."

Another prototype used small motors connected to guitar strings affixed to a plastic sheet. When a motor turned in one direction, it bent the display surface. Another prototype used interlocking, heat-resistant wood tiles stitched together with SMA wire. Researchers connected the wires to a transistor and an Arduino board to give the prototype three bendable functions.

While these crude materials merely mimicked flexible glass or plastic touchscreens, their main function was to support the shape-shifting materials and provide researchers with potential concepts for future applications.

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