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This is the thinnest LED that anyone can make

12
Mar
2014

Companies have been racing to slim down LED backlights as devices get ever thinner, but the University of Washington may have just beaten everyone to the finish line. Its scientists have developed an LED that, at three atoms thick, is easily the thinnest LED to date — in fact, its impossible to build something thinner using current knowledge. The key ingredient is tungsten diselenide, the thinnest known semiconductor.

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