With the development of national urbanization, the scale and speed of road infrastructure construction are gradually increasing. As an important component of urban infrastructure, road lighting manufacturers are also supporting the construction. There are many kinds of solar street light sources, such as Gas-discharge lamp, LED lamp, electromagnetic induction Induction lamp, etc. They each have their own characteristics and suitable application scenarios.

LED is a new type of energy-saving light source that has been developed and rapidly developed in recent years. LED is a solid-state semiconductor device that can directly convert electricity into light. Its working principle is that electrons in semiconductor P-N junctions are pushed from the N region to the P region under the drive of external circuits. In the P region, electrons recombine with holes, and then emit energy in the form of photons. The theoretical light efficiency is greater than 200lm/W, the laboratory light efficiency is greater than 130lm/W, and the high-quality LED light efficiency produced by manufacturers in bulk has reached 90lm/W. The actual light efficiency of large industrial products is still continuously improving. The main advantages of solar street lights are high power factor, long lifespan, fast response, and high color rendering.