This Temporary Tattoo Turns Your Skin Into An LED Screen

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You can now wear an LED screen directly on your skin.

Researchers at the University of Tokyo developed the new device using electronic skin (e-skin), a thin, stretchy and flexible material designed to mimic the human skin. As described in a study published in the journal Science Advances, the e-skin — a more flexible and longer-lasting version of previously developed e-skins  — contains organic polymer light-emitting diodes (PLEDs) that, when hit with electrical pulses, can turn on and off and show the colors red, green and blue, just like the pixels on your iPhone.

“The advent of mobile phones has changed the way we communicate,” Takao Someya from the University of Tokyo’s Graduate School of Engineering, told Newsweek. “While these communication tools are getting smaller and smaller, they are still discrete devices that we have to carry with us.

“What would the world be like if we had displays that could adhere to our bodies and even show our emotions or level of stress or unease? In addition to not having to carry a device with us at all times, they might enhance the way we interact with those around us or add a whole new dimension to how we communicate.”

“they might enhance the way we interact with those around us or add a whole new dimension to how we communicate.”

According to the Verge, researchers’ examples included a light-up University of Tokyo logo. The Weekly Observer writes that more practical applications include using the technology to monitor heart rate, blood oxygen level, and even emotions. This means that LED e-skin could be used for everything from a wearable oxygen meter to a hi-tech mood ring.

LED e-skin isn’t ready for consumer purchase yet, but when it is, it’s going to look very cool.

Watch it in action below:

Would you wear LED e-skin? Tell us in the comments below.

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