Augmented Reality Contact Lenses

Contact lenses with imprinted electronic circuits and lights for augmented reality display vision are under development by University of Washington scientists. The engineers used microscopic scale manufacturing techniques to create a flexible, biologically safe contact lens with imprinted electronic circuits and lights. If used by human beings, a pair of contact lenses with circuits and lights would be the perfect display for augmented reality systems. The prototype device contains an electric circuit as well as red light-emitting diodes for a display, though it does not yet light up. The lenses were tested on rabbits for up to 20 minutes and the animals showed no adverse effects.

“Looking through a completed lens, you would see what the display is generating superimposed on the world outside,” said Babak Parviz, an assistant professor of electrical engineering. “This is a very small step toward that goal, but I think it’s extremely promising.”

Researchers built the circuits from layers of metal only a few nanometers thick, about one thousandth the width of a human hair, and constructed light-emitting diodes one third of a millimeter across. The researchers hope to power the whole system using a combination of radio-frequency power and solar cells placed on the lens.

University Of Washington Article

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