How LEDs Produce Different Light Color?

How LEDs Produce Different Light Color?

Generally, the material (for conductivity purposes) used in LEDs is Aluminum-Gallium-Arsenide or AIGaAs. Apart from this, there are a variety of alternative kinds used. These materials are selected due to their ability to produce photons. These photons when released, appear on the visible section of the light spectrum. The type of material selected and its amount used determines the color of the light because all such materials produce photons containing different wavelengths. This affects how they appear on the light spectrum and how our eyes perceive them.

Interesting Fact: There Are No Pure White LEDs

White LEDs don’t exist, at least not anything that is purely and completely white. Any so-called white mini LED light you find on the market either has a yellow or orange coating (usually phosphor) that changes the color of the LED into white light. Either that or it consists of a variety of different colored LEDs.

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