Using solar photovoltaic cells to provide electric energy, solar energy, as a green and renewable energy source, is "inexhaustible". Making full use of solar energy resources has a positive significance in alleviating the tension of conventional energy sources.

Street lamps equipped with LED light sources possess unique advantages such as high efficiency, safety, energy saving, environmental friendliness, long lifespan, fast response speed, and high color rendering index. They are of great significance for energy-saving urban lighting.

A lighting device utilizing LED light sources, which is widely applied in outdoor settings such as tunnels, squares, factories, and also commonly seen in home atmosphere lighting.