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Danyang Winite Auto Parts Co., LTD. : The Evolution of Automobile Headlights (10)

2020-10-30 Author:[Admin]

7. Press halogen tungsten headlight. After developing the halogen tungsten light bulb in the late 1950s, it was quickly adopted by headlight, which greatly improved the asymmetric near-light headlight system. The halogen tungsten lamps used in headlights are mainly H3 of single filament and H4 of double filament. Its luminous efficiency can reach 221m/w ~ 251 m/w, about 50% higher than the general incandescent bulb, bulb life also greatly improved.


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