Foldable displays are gaining ground in the smartphone market, but there is a related technology, extendable displays, emerging. LG Display demonstrated a 12 “panel that can be stretched up to 14” and released up to 12 “without damaging it.
This type of flexible and stretchy display (or “freeform” display as LG calls it) can be used in clothing and furniture as it can easily adapt to complex shapes and the ability to stretch will make it more comfortable to wear (or sit on). – its construction is quite resistant).
LG Display foresees uses in various sectors including “fashion, wearables, mobility and games”. It can also find a place in the automotive and aviation industries.
The display is quite high quality as far as prototype panels are concerned: at 100ppi it has a pixel density similar to that of a 40 “4K TV. And it has RGB color capabilities. The display is built on a special silicon substrate used. also for contact lenses.It features micro-LEDs (less than 40 µm) connected via S-shaped springs instead of straight wires so they can stretch 20% without breaking.
We’ve already seen extensible display prototypes, like this one from Royole from last year. It could stretch by 30% and according to the company the technology can reach 120ppi, but the demo unit was a small 2.7 “panel with a resolution of 96 x 60px. A few years ago, Samsung presented a demonstration of a display. extendable in 2017, although that was mostly able to survive deformation (such as pressing hard on the flexible display) rather than stretch to a new size (the 9.1 “panel could stretch by about half an inch).
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