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Emily Butler's Articles in Electronics

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People and Light-Emitting Diodes We may say with every reason that the invention of LED has the similar scientific and public importance as the inventions of steamer, incandescent lamp and television had an age before. We cannot claim that it’s a common technical achievement. This invention is made to change our environment influencing light, color and info elements. Today, LED program include dozens of companies, thousands of examination labs and milliards of dollars of investments and circulation. Light-Emitting Diode Technology: History and Results The first moment the researchers came across LEDs happened to be an occasional experiment. It featured the semiconductor Silicon Carbide (SiC). Suddenly in the beginning of the 20th century it was observed that the semiconductor let out light if electrified. Still the discovery was not worked on as the light produced by Silicon Carbide was not bright enough to be of any use. That was still not the end of the technology development.