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The life and times of the LED — a 100-year history

Many people believe that the LED was discovered by US researchers working in the 1960s. In fact, Henry Round at Marconi Labs noted the emission of light from a semiconductor diode 100 years ago and, independently, a forgotten Russian genius — Oleg Losev — discovered the LED.

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The author is thankful to M. A. Novikov and V. S. Letokhov who provided valuable references and K. F. MacDonald for help in preparing the manuscript.

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Zheludev, N. The life and times of the LED — a 100-year history. Nature Photon 1, 189–192 (2007).

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