HALOGEN vs HID vs LED

HALOGEN

Halogen bulbs are popularly used in headlights. Each bulb has a thin tungsten filament and a glass filament capsule filled with halogen gas. The gas routes back the tungsten to the filament so it regenerates the filament each time the headlight is turned on and used. A halogen bulb produces a yellowish output, which its Kelvin temperature range about 3200K.

 

HID

Xenon is commonly used in headlights and can also be referred as "HID" (High Intensity Discharge. It is utilized in some filament-based automotive lighting technologies. A xenon bulb emits a clean and white light and may also be used in HID (high-intensity discharge) lighting. An HID bulb does not have a filament; instead, it uses a xenon gas-charged, sealed system that generates light through an electrical charge that starts an arc between two electrodes.

 

LED

 

LED is a more newer headlight lighting technology. LED stands for "Light Emitting Diode," which is a semiconductor diode that gives off light when voltage is applied to it. Although this technology enables the lighting manufacturers to design unique styled headlights, however, LEDs require resistors which may limit certain designs.

 

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