led灯是什么时候发明的英语？

编辑：自学文库 时间：2024年03月09日
The LED (Light Emitting Diode) was invented in 1962 by Nick Holonyak Jr., an American engineer at General Electric. It was a breakthrough in lighting technology as it was the first practical source of visible light generated by a solid-state device. LEDs are small, energy-efficient, and have a longer lifespan compared to traditional incandescent bulbs. They work by passing an electric current through a semiconductor material to produce light. Since their invention, LEDs have become widely used in various applications such as display screens, indicator lights, automobile lighting, and general lighting. Thanks to their low power consumption and durability, LEDs have revolutionized the lighting industry by providing highly efficient and long-lasting lighting solutions.

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