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With the development of society, state machines has been used more and more extensive. Modern transport became crowded, thus security issues become increasingly prominent. In this case, the design of led tail lights was a good way to solve traffic safety problems. In recent years, environmentally friendly led lights used more and more. With a led lights in car, it looks to increase modern, so more and more people are familiar with led lights.

Led is the acronym for light-emitting diodes. It is a solid-state semiconductors, and it can be directly converted into electricity to light. Led light is reliability of its strong, long life, high lumens per watt, fast response and so on. Led light is rugged, less susceptible to shocks, the same power can produce more light output. When the vehicle speed pass 125km/h , responsive led tail lights can be about 8 meters ahead of a warning issued by the brakes, effective and avoid accidents.

However, led lights are still used in tail light for most current car models, while the former lights, turn lights is still on usage. There are still some key technical issues need to overcome for led tail lights. But the use of led lights will become an important direction of development.