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LG showcases new stretchable screen tech which lets displays grow by 6 inches when pulled

Although LG exited the smartphone market in 2021, the company continues to push boundaries in the field of electronics and display technology. At the LG Science Park in South Korea, the tech giant showcased its latest innovation: a stretchable screen prototype that can expand significantly without losing functionality.

The newly unveiled stretchable display is a major upgrade from the prototype LG demoed in 2022. This new version can stretch by up to 50 percent and has been engineered to withstand up to 10,000 stretches without any damage or loss of performance.

Dubbed the Free-Form display, this technology allows the screen to be moulded into a variety of shapes, including stretching, folding, and twisting, making it one of the most versatile display innovations to date.

The current prototype is a 12-inch screen capable of being expanded to 18 inches. It features a pixel density of 100 ppi, which, while decent, is lower than the pixel density of most modern smartphones, which typically offer around 300 ppi or more.

While this might seem less impressive, it is worth noting that the focus of this technology is on flexibility and durability rather than high-resolution visuals.

LG has detailed some of the key components behind this breakthrough. The stretchable display uses silicon substrates similar to those found in contact lenses, which contribute to its remarkable flexibility.

Additionally, a micro-LED light source is utilised to maintain consistent image quality across various temperature ranges, ensuring the display remains functional and clear under different conditions.

The potential applications for this technology are wide-ranging and could transform various sectors. Stretchable screens are not only ultra-thin and lightweight but can also be attached to uneven surfaces such as clothing or skin.

LG demonstrated these possibilities by integrating a stretchable display into a firefighter’s suit to show real-time information and creating a convex vehicle screen that can be controlled using hand gestures. These use cases highlight the potential for stretchable displays in safety gear, automotive interfaces, and even wearable tech.

Despite these exciting prospects, it is essential to note that the technology remains in the prototype stage. It is unlikely that we will see these screens in consumer products like smartphones or wearables anytime soon. However, this innovation represents a remarkable engineering achievement, offering a glimpse into the future of display technology and hinting at how it might evolve in the coming years.

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