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Who invented the electric light?
Edison was not the first person to use electricity for lighting, but it was Edison who improved the filament, greatly prolonged the life of the electric lamp and obtained the patent of the electric lamp, so Thomas Alva Edison was considered as the inventor of the electric lamp.
The earliest practical electric lamp was incandescent lamp, but before the birth of incandescent lamp, an Englishman Humphrey David made an arc lamp with 2000 batteries and two carbon rods, but this kind of arc lamp was too bright, generated too much heat and was not durable, so it could not be used in ordinary places.
There are many kinds of electric lamps nowadays: incandescent lamps, tungsten halogen lamps, fluorescent lamps, gas discharge lamps, high-pressure mercury lamps, LED lamps and so on.
Extended data:
Thomas Alva Edison was born in Milan, Ohio, and died in West Orange, New Jersey. Inventors and entrepreneurs.
Edison was the first person in human history to make use of a large number of production principles and electrical engineering research laboratories to patent inventions, which had a far-reaching impact on the world. His invention of the phonograph, movie camera and improved electric light had a great influence on the world. He had more than 2,000 inventions and 1000 patents in his life.
19311018 died at 3: 24 am at his home in west orange, new jersey, USA, at the age of 84. Edison was named the ninth among 100 people who influenced the United States by the authoritative American periodical Atlantic Monthly.
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