3D Printing Adds Active Electronics to Contact Lenses

December 24, 2014
Princeton researchers have embedded tiny light-emitting diodes into a standard contact lens, allowing the device to project beams of colored light. "This shows that we can use 3D printing to create complex electronics including semiconductors," said Michael McAlpine, an assistant professor of mechanical and aerospace engineering. "We were able to 3D print an entire device, in this case an LED."
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