hii friends who is the inventor of LED light...??
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This was an accidental invention because Biard and Pittman were actually working on a laser diode. Experimenting with the use of the semiconductor Gallium Arsenide that had started during the 1950s subsequently led to the development of the very first LED with practical use.
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2
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In 1962, when he was 33, the scientist Nick Holonyak, Jr., created the first practical visible light-emitting diode.
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