Nobel Prize in Physics Graphic News: A Brief History of LED Development



Light-emitting diodes, or LEDs, are another breakthrough in lighting technology after oil lamps, incandescent lamps and fluorescent lamps. The birth of blue LEDs complements the spectrum, making white LEDs possible and eventually reaching thousands of households. This year's award-winning achievements, on the one hand, inherited the application spirit of Alfred Nobel, on the other hand, echoed the current environmental theme.

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