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LED and xenon lamps
is an electroluminescent device, which uses solid semiconductor chips
as luminescent materials to emit light directly through carrier
LED headlamps are the LED used as light sources to produce lighting fixtures.
Xenon lamp (HID) is a high-pressure gas discharge lamp. At high voltage, xenon is ionized and produces a light source between the two poles of the power supply.
The performance of xenon lamp has improved remarkably compared with halogen lamp, its luminous flux is more than 2 times of that of halogen lamp, and the
efficiency of electric energy conversion to light energy is more than 70% higher than that of halogen lamp.