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There is no such thing as a white LED.

You produce white light from LEDs by combining red, green and blue LEDs.

Red LEDs were produced first because red is a low frequency of light. It was the easiest to make.

Green LEDs were produced next because green is a higher frequency of light. It was harder to make.

By combining red and green LEDs, you can produce yellow light.

Blue is a very high frequency of light and is very hard to produce. Blue LEDs and blue lasers (as in BluRay) took a great deal of effort to create. LED technology and some kinds of laser technology are very closely related.

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Where are LED's are used commonly?

LEDs are commonly used in a variety of applications, including residential and commercial lighting, automotive headlights, and electronic displays such as televisions and computer screens. They are also found in traffic signals, streetlights, and decorative lighting due to their energy efficiency and long lifespan. Additionally, LEDs are utilized in backlighting for devices like smartphones and tablets, as well as in signage and indicator lights. Their versatility and low energy consumption make them a popular choice across many industries.


Where do you bump into Gallium in every day life?

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What do the colors of the rainbow make?

The colors of the rainbow combine to make white light. Each color has a different wavelength, and when they are all combined, they create the full spectrum of colors that make up white light.

Related Questions

What color LEDs in Gallium used to make?

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