What is Street light

A street light, also known as a light pole, street lamp, light standard, or lamp standard is a raised source of light on  edge of a road or path, which can used to promote security in urban or city areas.


Street light can and to increase the quality of life by artificially extending the hours in which it is light so that activity can take place. Street lighting also improves safety for drivers, riders, and pedestrians.


In the 1930s, Low-pressure sodium-street light was introduced in Europe. In 1965, high-pressure sodium (HID) street light being invented and it brought superior color and efficiency compared to their low-pressure predecessors. In 2006, the first led street light is being introduced in United Kingdom. Due to rapid grow of LEDs, HID streetlights may soon be just as extinct as the oil lamps in the ancient house.

Comparison between  conventional and modern street light 

There is a lot of advantage for the led street light. The led street light have low energy consumption. Then, it have long and predictable lifetime. Beside that, it have more accurate color rendering. The led street light also less attractive to nocturnal insects. Finally, it have higher light output at any condition.