Stretchy LEDs may have clothing, packaging, biomedical uses

November 1st, 2023

Junyi Zhao demonstrates using a ballpoint pen to write custom LEDs on paper (left). The same pens can be used to draw multicolored designs on aluminum foil (top right) and to create light-up sketches (bottom right). Images: Wang Lab Building on previous research that created stretchable inkjet LEDs, researchers at Washington University in St. Louis, […]

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