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LG Electronics latest free-form display screen has gained a lot of attention this week. The innovative screen acts like a #fabric; it can be folded, twisted, reshaped and even stretches up to 50%. We see the potential for this technology on many scales from #architecture to #softrobotics and #wearabletech.  But how does it actually work?  It is vaguely described as being made from a special type of elastic, optically clear, silicone as the substrate. With micro-LEDs and a new wiring design structure. This careful composition allows it to be repeatedly stretched over x10,000 times and is resistant to shock and high temperatures. As LG have not revealed exactly how it is made, we took a deeper look at other research going on in the field of #flexibledisplays. We found many novel approaches. Some include #auxetic #metamaterial structures, the use of #lightemittingpolymers. Micro-LEDS placed within 3D / double-layered structures, designed to reveal hidden pixels that appear and disappear at different stretch values, which maintain image quality. Amongst many other techniques and materials. This got us thinking about other exciting material developments that could allow for future stretchable colour and display functionalities > A #3Dprinted material from the Kunming University of Science and Technology can glow green under pressure or friction through a process called #mechanoluminescence. Massachusetts Institute of Technology have created a stretchable colour-changing material which utilises #structuralcolour; different light wavelengths are reflected as the material is strained. Video credits: LG Display Global, CNN, New Scientist, Massachusetts Institute of Technology (MIT), KUST.

Efrat Friedland

founder at materialscout I co-founder at Positive Plastics

2w

Fantastic and exciting Karoline Healy!

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