Samsung has just showcased a new display technology at the Global Tech Korea 2021 event earlier today (9th September 2021). The new panel is an OLED panel that can be stretched, which could be the next step display technology might take in the near future similar to how foldable panels became more accessible.

The South Korean tech giant’s display unit demonstrated the new stretchable OLED panel in the tech expo. While this isn’t the first time we have seen a stretchable display, but Samsung showcasing its progress in the technology also implies of it eventually making its way to the mass consumer market in the future. The world’s largest smartphone maker even shared a video that showcased the 13 inch OLED panel in the Global Tech Korea event.

Looking at this video, we can observe lava being displayed on the screen while the panel itself is stretched outwards through a mechanism. As per SamMobile, this element of the display that quite literally adds another dimension to the 2D surface of a screen. At the moment, the practicality for this technology for consumer electronic products like smartphones is currently unknown. Although, Samsung develops various types of displays that could be fit a better fit for this technology. For example, largest LED videoboards and digital waterfalls could use this new stretchable display.

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Samsung has just developed a futuristic flexible display technology that can be used as a wearable. This device can act as a fitness tracker, replacing the bulky smartwatches and other smart bands.

According to the company’s official Newsroom, researchers at the Samsung Advanced Institute of Technology (SAIT) have just developed a stretchable OLED display that users can put on their wrists. This device would offer fitness tracking features to the user. It even features an integrated PPG heart rate sensor, which the South Korean tech giant calls the “stretchable electronic skin form factor.” The SAIT researchers have tested the device by having it attached to the inner wrist near the radial artery.

In the tests, it was found that the movement of the wrists did not deteriorate the display. Furthermore, it was also found that the stretchable display remained reliable with skin elongation of up to 30 percent during the tests. The sensors and the OLED panel were also durable enough to continue working stably even after 1,000 stretches. SAIT researchers managed to “modify the composition and structure of elastomer, a polymer compound with high elasticity and resilience and used existing semiconductor manufacturing processes to apply it to the substrates of stretchable OLED displays and optical blood-flow sensors.”

The smartphone maker claims that this is a first for the industry and added that the patch will feel like a part of the user’s skin. Additionally, it would even measure biometric data while sleeping or exercising. Principal researcher Youngjun Yun added that “The technology can also be expanded to use in wearable healthcare products for adults, children, and infants, as well as patients with certain diseases.” Unfortunately, this futuristic device is still in the early stages of development and the company has yet to announce when it might launch commercially.

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Recently, stretchable display panels have also been envisioned by major tech giants. However, experts on the matter have stated that this type of screen will be built from technology that is fundamentally different to foldable and rollable panels and will even be more difficult to make.

According to TheElec report, stretchable display will require elastic substrates and circuits. These components will also have to endure the pressure from three axes, as per Soonchunhyang University professor Moon Dae-gyu. Furthermore, displays that are capable of stretching without distorting the screen is considered “superior” to both foldable panels and rollable displays. To put things simply, foldable and rollable panels only receive pressure from just a single axis, but stretchable screens would have to face pressure from x-axis, y-axis and z-axis.

Additionally, the stress on the display will also be proportional to how long it stretches and the strain on it. On the other hand, the stress will be inversely proportional to the curvature radius of the screen, with small curvature radius causing higher degrees of stress on the panel. These strains could also cause the display to get creases and cracks on the screen. meaning, a stretchable display would have to be flexible, reliable, durable and usable.

This would also require the manufacturers to solve any issues related to the substrates and drivers, and also any problems with the pixel must also be resolved together, as per the professor. He further added that it is impossible to stretch ceramic materials. Meaning, a new material would have to be used to make the needed stretchable substrate. On top of this, the TFT and OLED layer would be added that include stretchable circuits.

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Earlier today (11th June 2020), LG Display announced that it plans on developing stretchable displays by 2023. So, we can expect to see the new technology to soon become a reality within the next few years.

The South Korean tech giant made the announcement after it was tasked to develop the futuristic technology for a national R&D project. This project will be a cooperative effort with over 20 companies, institutions, and universities. The goal for LG Display is to develop a display product that can be stretched by up to 20 percent. In other words, we may soon see more robust displays that can be stretched and folded in the near future.

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This technology also has great potential in terms of its possible application. It could be seen in small consumer electronics gadgets like smartphones, or even in commercial spheres in billboards. A notable example of its use was within an aircraft cabin display for the passengers.

Foldable or flexible panels are already a reality, despite sounding far fetched quite recently. This is indicative of the technological advancements and immense innovation within different fields. Display technology is all around us and plays an integral part in our digital world. So let us know about the interesting ways you think this technology could impact our lives in the comments section down below.

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