Fireflies Inspire Brighter LEDs

Feb-25-19 Asymmetrical LEDs inspired by fireflies could release more light for less energy.

Developed by a team from Penn State University, the surface of the LEDs mimics the structure of the firefly’s lanterns with its asymmetrical microstructure. In contrast to the symmetrical structure of standard LEDs, the firefly-based design offered a light extraction efficiency to 90 percent, rather than the previous 50 percent. The team believes the improvement is due to the greater surface area and randomized reflection that prevents light from becoming trapped.

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