Friday, November 21, 2014

Heads-Up Display on Contacts. Sooner than You Think

“Here's a hypothetical question: would you rather have a HUD [heads-up display] on glasses or a contact lens? If you answered ‘contact lens,’ the bad news is that you may be waiting some time... but the good news is that it just got a little more feasible, with the invention of the world's first 3D printer that can print LEDs,” posits CNET. “The team, led by Michael McAlpine at Princeton University's McAlpine Research Group, has successfully used its printer to 3D-print quantum dot LEDs -- LEDs that are considered the next step up from OLED. QLEDs shine brighter and with purer colour, at a lower power consumption rate, using cadmium selenide nanocrystals. They're also ultrathin, flexible and transparent -- like, for instance, contact lenses.” Read more.

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