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We as human discovered fire and use i to cook in water cave, therefore the torch was born, allowing longer walks in the night and protection against wild animals.
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The first advance civilisations, those of the babylonian the more fashionable oil lamps and candles replace those crude and clunky torches.
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William Murdoch the scot made coal gas become a visible source for indoor and outdoor lighting. He began experimenting in his backyard, placing them inside an airtight vessel known as a retort that gas that he produces he channeled through a pipe into his home that wind lit would light up his room.
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Edison came to invent the electric light bulb that could burn for forty five hours. Edison absorbed other scientists and inventor the knowledge. In 1878 he began to develop an electric light bilb on the basis of coiled platinum wiring, and began to experiment on different types of plant in hopes of finding the right filament material. In October 1879 found that charred bamboo fibres provided the resistance that he needed.
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According to the British it was one of their own , Joseph Wilson Swan's invension did not succeed because he had only the light bulb and not the fixtures to use it making it impractical in actual use.
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Carl Auer von Welchbach the chemist entrepreneur an inventor, invented the gas mantle or the blow sock which gernerate a bright white light when heated by a flame.
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Carl Auer von Welsbach succeeded in 1898 to produce the first metal filament lamp with chemical element osmium.
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Peter Cooper Hewitt developed the first commercial mercury vapour lamp.
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Tantalum filament was developed at Siemens and hausky
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Tungsten filament lamp came into the market in 1905 and is to this day in use.
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Electroluminescent as a phenomenon was discovered in 1907 by british experimenter Henry Joseph Round, using a crystal of silicon carbide and a cat's whisker detector.
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The first visible spectrum LED was developed bu Nick Holonyak Jr. he first reported his LED in journal Applied Physics Letters on 1962.
