LED lighting has become ubiquitous in modern society, with its use ranging from traffic signals to residential and commercial lighting. However, the history of LED lighting dates back to the early 1900s. In this blog, we will explore the origin and development of LED lighting. Origin of LED Lighting The first discovery of the phenomenon that would lead to LED lighting was made by British scientist H.J. Round in 1907. Round discovered that a crystal of silicon carbide, known as a carborundum, emitted a yellow light when an electric current was passed through it. This phenomenon was later named electroluminescence. In the 1960s, researchers at General Electric developed the first practical LED, which emitted infrared light. In 1972, the first visible LED was developed by Nick Holonyak Jr. at the University of Illinois. This LED emitted red light and marked the beginning of the modern LED era. Development of LED Lighting Over the years, LED technology continued to evolve, with resear...
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