why LED headlights are so popular?

22-03-2021

LED lamps are mainly promoted by Audi, which is called "Light Factory". However, what follows is why all manufacturers are competing to buy LED headlights now. What are the advantages of LED backlight? What advantages does it have over other light sources? Originally, most automobile manufacturers in the market began to be homogeneous in the choice of headlamp light sources, and more and more manufacturers began to use LED lamps. Many manufacturers feel that if today's cars are not equipped with LED headlights, they will be defeated in the competition with other manufacturers. So, why do people like LED lights so much now? Today, let's talk about it for you!


LED lamp is the abbreviation of Light Emitting Diode. It is a semiconductor electronic component, which can convert electric energy into light energy. It is the fourth generation light source after incandescent lamp, fluorescent lamp and high intensity gas discharge lamp.


The reason why LED is valued by automobile manufacturers is as follows: 

High brightness ---  Compared with halogen lamps, the brightness of LED backlight lamps will be brighter. So it is great to use it as brake lights and daytime running lights.


Low operating voltage ---  LED lamp can be lit with only 12V DC voltage, with little load and interference, so there is no need to worry about tens of thousands of volts like xenon lamp.


Quick response --- Due to the unique physical characteristics of LED, its response speed reaches microsecond level. So theoretically, it will be safer. Because if you think about it, when you turn on the turn signal and stop signal, do you want to delay the response of the lights? 


Low thermal radiation ---  As LED lamp is a cold light source, it will not produce too high temperature, so its illumination will not have too great influence on the circuits and components adjacent to the lamp group.


Low brightness attenuation ---The brightness attenuation of LED is much lower than that of halogen lamp, which can realize long-distance illumination. Friends who are familiar with LED flashlights will understand. 


Good durability --- LED and halogen lamps do not emit light, which is easy to burn out, store heat and lose light. Under stable current and voltage, the life of LED lamp can reach 60,000-100,000 hours, which is 10 times more than that of halogen lamp. Meanwhile, the energy consumption of LED lamps is only one twentieth of that of halogen lamps.


LED lights are far superior to the previous hernia lamps or halogen lamps in various aspects, and have been rapidly rising and developing. Therefore, LED lamps are more and more widely used in the market!



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