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LEDs (light-emitting diodes) produce light through a process called electroluminescence. When a voltage is applied to the diode, electrons and electron holes combine in the semiconductor material, releasing energy in the form of photons (light). The specific material used in the LED determines the color of the light produced.

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Q: How does led produces light?
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Related questions

What type of diode produces light when properly biased?

That would be an LED or Light Emitting Diode an LED is a light


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A lamp typically produces light energy by converting electric energy into light through the use of a light bulb or LED.


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If it is working and produces light, then it is a source of light.


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An LED flashlight produces light in the same as any other LED light bulb. An LED light source is actually a special kind of chip called a semiconductor. As current is passed directly over the positively and negatively charged sides of the semiconducting chip, the electrons emit photons, or light. Over the chip usually placed a lens and surrounding it is a reflector which enhances and spreads the LED's light.


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A flashlight typically produces white light, which is a combination of all visible wavelengths of light. The light is usually emitted from a light bulb or LED located within the flashlight.


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The LED (light-emitting diode) is similar to the light bulb as it also produces light, but it is more energy-efficient and longer-lasting.


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A light bulb consists of a glass bulb, a filament (or LED in the case of LED bulbs), metal contacts, and inert gases like argon or nitrogen sealed inside. When electricity flows through the filament, it heats up and produces light, illuminating the bulb.