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The first lamp was created by Humphrey Davy. It was an incandescent lamp. It was made from a bank of batteries and two charcole rods. This sort of lamp supplied many people with their first electrical streetlight.
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Two men from Europe identified that they could produce light by passing an electrical current through a long glass tube and removing almost all of the air. This was called a Geissler Tube. They have become the basic of many lighting technology.
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Edison focused on the whole lighting system. Proving that it was possible to distribute electricity from a central location.
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Tungsen light bulbs were invented in 1904. These lightbulbs lasted for long periods of time. They were brighter and more efficient than lamps with carbon filaments.
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Researchers were doing experiments with neon tubes covered with phosphors. These experiments helped spark fluorescent lamp research in other countries around the world.
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Nick Holonyak Jr. discovered the first visible LED in the form or red diodes. After this, pale yellow and green diodes were invented.
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Manufacturing companies began using LED lights in consumer products. For eg. Calculator displays for maths and indicator lights for cars.