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World's first stretchable micro-LED display demonstrated by Royole

Royole's stretchable micro-LED display can take quite a bit of abuse. (Image Source: Royale)
Royole's stretchable micro-LED display can take quite a bit of abuse. (Image Source: Royale)
The new micro-LED displays from Royole allow improved transmittance up to 70% along with 130% stretchability, making them ideal for applications such as wearable electronics, biomedical applications or vehicle design. For now, the diagonals and resolutions are quite limited, but future iterations should provide larger sizes and densities of up to 120 PPI.

Not many might be aware of this, but the first mass-produced smartphones with foldable screens were released by Royole back in 2018, almost a year before Samsung’s Galaxy Fold. Of course, Royole’s mass production capacities do not compare to Samsung’s, so the first ever foldables were available only in the SEA region. However, since the introduction of the FlexPai folding phones, Royole has been hard at work on perfecting the folding display technology and is now presenting the world’s first stretchable micro-LED displays designed for a wider range of applications.

Royole demonstrated a 2.7-inch 90 x 60 pixel stretchable panel during this year’s SID Display Week. The micro-LED display can be folded like any flexible display, but it can also be twisted, expanded and even deformed into convex and concave shapes. Royole claims that it withstands “3D free form” manipulations, but it still has its limits as the convex deformations cannot go beyond 40 degrees. The resolution is very limited for the moment, but future iterations are expected to reach 120 pixels per inch densities and considerably larger diagonals.

One major advantage over the current flexible OLED displays is that the micro-LED stretchables allow transmittance up to 70% along with 130% stretchability, making it highly applicable for smart solutions requiring transparency. Some of the applications include augmented and virtual reality, wearable electronics, biomedical applications (glasses) and vehicle design (interior windshields).

The small stretchable displays are already mass-producible and can be fitted to bands and smartwatches, but we will probably have to wait at least a few more years for the larger displays with higher resolutions.


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(Image Source: Royole)
(Image Source: Royole)
(Image Source: Royole)
(Image Source: Royole)
(Image Source: Royole)
(Image Source: Royole)
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Bogdan Solca
Bogdan Solca - Senior Tech Writer - 1746 articles published on Notebookcheck since 2017
I first stepped into the wondrous IT&C world when I was around seven years old. I was instantly fascinated by computerized graphics, whether they were from games or 3D applications like 3D Max. I'm also an avid reader of science fiction, an astrophysics aficionado, and a crypto geek. I started writing PC-related articles for Softpedia and a few blogs back in 2006. I joined the Notebookcheck team in the summer of 2017 and am currently a senior tech writer mostly covering processor, GPU, and laptop news.
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2021 05 > World's first stretchable micro-LED display demonstrated by Royale
Bogdan Solca, 2021-05-25 (Update: 2021-05-26)