Yep, that's right. LEDs in your skin. While there have already been flexible displays like this E-Ink and OLED, normal LED's are very brittle and cannot be bent easily.
LED's are cheap and reliable, and one of the technology powerful light sources out there on a small scale. With this new development by John Rogers into flexible LEDs, their technologic advancements really shine.
These LEDs can go anywhere. A sign, a pen, and yes, in your body too (glowing tattoos anyone?). You've probably seen LEDs before, without even knowing it. You know your computer monitor? The thing you're looking at to read this post? Odds are that's probably made of LEDs.
Unlike the LEDs probably in your monitor, or on a streetlight, these are smaller than a tip of a pen, and each sheet of the LEDs can be twisted 720°.
Possible uses of this technology include putting them on gloves so surgeons can have a better view of what they're operating on, an easier way to model DNA, and implants into skin. That watch tattoo that you've wanted for so long would finally work.
On a side note, you know that guy that invented super soakers? Well, his name is Lonnie Johnson, and he's a self-invented inventor. He helped us with the Atlantis Space Shuttle, the B-2 Bomber, and now solar panels.
try to hook people in! good overall
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