Plastic ‘Like-like’ Light-Up is another option for wearers

March 30, 2022 – Think of a small, instant, flashy Band -Aid on your finger or hand, and you’re getting the technological breakthrough that can be used from researchers at Stanford University.

The professors at the engineering school developed a new type of polymer, or synthetic resin, that could be used to illuminate. They used it to build a simple color display like what you can see on any digital screen. But unlike your cell phone, it holds up when stretched or slowed down.

What appears to be the latest in a string of devices that can be used “like leather” – thin and lightweight devices that promise comfort and accuracy in first of all it is more difficult and more complex these days.

Unlike previous experiments on simple demonstrations, this model does not disappear when drawn. You can hold it with your hand or your finger, it won’t tear when you bow.

Engineers say that this brilliant technology may one day open up new ways to improve health and wellness.

For example, instead of using a clunky fitness tracker on your wrist, consider wearing a skin mask that constantly monitors health data, such as your heart rate, with the correct display on the screen. gadgets.

Last but not least: Consider a telehealth session where the doctor can not only see or hear you, but also check the condition of your skin for problems through a simple exchange.

“Getting closer to the human body allows us to get more information,” said chemical engineer Zhenan Bao, PhD, one of the Stanford researchers who developed the innovation. Leather goods are one way to approach for all types of measurements.

What can we learn from the presence of light near the skin?

Look at every exercise watch that can hold your heart, and you’ll see green lights on its belly.

These LEDs flash through the skin, and are then returned to the watch. The watch uses the wavelength of that light which is detected by measuring things like your pulse or the oxygen in your blood (aka pulse-ox).

For accurate reading, light is better. Researchers have long sought to create an LED that is softer and more flexible than today’s technology, but they have faced three major problems:

  • Making something easy to stretch without breaking
  • Emits a flashing light to capture accurate readings
  • Get a low voltage low low voltage low low low low low low low low low low low low low low low low low low low low low low low low low high low low low low high low low low low high low low high low low high high voltage to illuminate the light (Electrical vibrations from clothes are not suitable. )

This new Stanford course is 3 years in the making. In it, Bao and his research team show how they worked on these problems and developed a simple film that emits bright lights at low light. He said the device could produce light at least twice as fast as a standard telephone display.

Upcoming health applications

With the future powers of this lightweight and durable device, manufacturers like it will be able to measure the impossibilities of what can be used today, Bao said. For example, the sound of a person’s breathing or high levels of the stress hormone cortisol can provide the context for common measurements such as changes in heart rate, and help people understand in the way they think.

“Cortisol is added [a reading] It’s more accurate to determine if what’s seen is really serious, or if it’s some kind of heart change, ”Bao said.

Skin shows and sensors can make a difference in the use of electricity, Bao said. In telemedicine, for example, a person can record a video in an area of ​​the body that needs to be viewed. It is possible to create a three-dimensional interface, allowing the doctor to view the area from a distance.

Now, more studies are beginning. Those predictions could be applied to medicine and commerce within 5 years.

“The future of this sophisticated technology will lead to advances in telemedicine because it can provide real -time data reports,” Bao said. “If we can make them look like real skin, then there is a limit to what we can think. And thatʻs what we mean. “

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