Write a short note on LED.
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A light-emitting diode (LED) is a semiconductor light source that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. ... Recent developments have produced high-output white light LEDs suitable for room and outdoor area lighting.
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A light-emitting diode (LED) is a semiconductor light source that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. ... Recent developments have produced high-output white light LEDs suitable for room and outdoor area lighting.
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