Why is the front fog light of a car not an LED light?

With the development of technology, automotive lamps are constantly "evolving", but have you discovered that in this era of LED lights, the front fog lights of cars are still traditional halogen bulbs! Why not switch to LED light source? Let's talk about this today.

Halogen fog lamps are more dangerous to retrofit LED light sources

In fact, many of my friends have such questions. Headlights, turn signals, and width lights are all LEDs. Why are fog lamps still halogen? So simply replace the fog light with an LED light source, the reason is, "halogen light is too dark"! In fact, such an approach is not correct and is not safe.

Because for the fog lamp, what is needed is not the brightness of the light, but the ability of the light to penetrate. Therefore, using the LED light source to increase the brightness alone, driving in the foggy day can not give more help, but it will cause greater danger.

The role of the halogen lamp is to signal, not to illuminate

As we said before, the role of automotive halogen lamps is not just for lighting. The fog lamp must first have strong penetrating power and high recognition. Secondly, the fog lamp is required to produce almost no Tyndall effect. The light will not block the line of sight in the fog, and can illuminate the near ground. This is the key to distinguishing fog lights from other lights, so fog lights can be counted as one of the active safety configurations.

For example, the front fog lights of the last century were generally yellow. However, the yellow fog lamps are now rare, and replaced by relatively advanced halogen bulbs. The lighting color has also become warm white, which can also assist the vehicle in meeting the conditions of the fog lamp.

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