Moth eye-inspired surface coating aims to eliminate light glare
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Researchers at the College of Optics and Photonics, University of Central Florida (CREOL), report in the Optica journal of an anti-reflective film for smartphones and tablets that is inspired by the nanostructures found on moth eyes. The eyes of moths are covered with a pattern of antireflective nanostructures that allow moths to see in the dark and prevent eye reflections that might be seen by potential predators. Reflection is a key reason it can be difficult to read a screen in bright sunlight, because the strong light reflecting off the screen’s surface washes out the display. The Optica journal exhibits a surface reflection of just 0.23 percent, significantly lower than the iPhone’s surface reflection of 4.4 percent, for example.
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