Halogen lamp is actually life we use incandescent upgrade version, adding halogen element of the application, can make the brightness of incandescent increase 1.5 times, while the service life is 2-3 times the ordinary incandescent. In order to improve the luminous efficiency of incandescent lamps, first of all, must improve the temperature of tungsten wire, but the corresponding tungsten will cause sublimation, and condensate in the glass shell to make it black. In the incandescent lamp filled with halogen elements or halide, the use of halogen tungsten cycle principle can eliminate the phenomenon of incandescent bulb black, which is the reason for the halogen.
Xenon headlamps are currently widely used in high-end models in the form of lights. Xenon headlamps due to higher brightness, generally equipped with a lens after the visual effects are better, so by a lot of consumers sought after.
In general, xenon lamp compared to halogen lamps, the color temperature is higher. At present the mainstream xenon color temperature in the 4200K-6000K, light color closer to noon sun-like white. The more theoretically the closer the color of the sun is, the easier it is for the human eye to adapt. But the current conversion of xenon lamp more people choose 4200K products, this color temperature and halogen is not much difference. And low color temperature xenon lamp prices higher, why so many people choose it? This should take into account the practicality of the actual, the lower the color temperature to ensure that light has better penetration. And select the tens of thousands of K xenon lamp products are mainly for visual effects, practicality can be ignored. The role of the lens is the xenon headlamps scattered lights converged into a parallel light, in order to get better light directivity. As the xenon headlamps brightness is high, if you do not install the lens is easy to make the light divergence, affecting traffic safety.
A light emitting diode is a light emitting semiconductor electronic component. This electronic component appeared as early as 1962, early can only issue low-light red, and then develop other monochromatic light version, today can be issued by the light has been visible light, infrared and ultraviolet light, the luminosity also increased to considerable The luminosity.