Nowadays, people in many areas has quitted traditional street light and replaced them with solar LED street lights. As a new green energy-saving product, solar street light is selected by people due to many advantages such as simple installation, environmental protection and energy saving. Do you know what are the old street lights before the appearance of solar LED street lights?

1. Origin of street light:

The development of street lamps is a history of pioneering in the pursuit of lighting. Street lights originated in the 15th century, with the purpose of brightening the dark night in the winter of London.

2. The Arrival of the "Bright Age":

The "Bright Age" took place in France. In the 16th century, Louis XIV issued the law on urban road lighting, so many street lights were installed in the streets of Paris.

3. Street Light Revolution:

The brightness of original street light was relatively weak, which adopted candles and oil. The brightness wasn’t improved until kerosene was used, however, the effect was still not satisfactory until the appearance of steam light. The steam light illuminates was not accepted by people at the beginning, but the advantage of the steam lamp couldn’t to be ignored. Thus, it became to be very popular European soon.

4. Street Light in China:

The first street light in China was kerosene lamp, which firstly installed in the streets of Shanghai. When the night came, people rushed to see its elegant appearance. The first electric light in China was lit in Shanghai in1879, but these street lights were not easy to use, which required a 10-horsepower internal-combustion engine to generate electricity and a knife switch to be installed on each pole, it cost lots of manual operation.

5. Invention of Electric Light

As to the history of electric lighting, we will think of Russians Jablochkoff and Americans Edison, Jablochkoff invented incandescent lamp in 1877 and won the Lomonosov Prize. After few years, this kind of bulb was approved by Edison, which provided with better brightness, lower cost. Then, the electric light had replaced with steam light and got to the stage of roadway lighting.

6. High-pole Street Light: 

With the development of city, urban roads became more staggered and complex. If street lights are installed on both sides of the road, it will lead to a forest of poles, which will affect the beauty of the city. As a result, Beijing government were the first one who installed high-pole street lights for overpasses.

7. New Light source: LED

When it came to 21st century, people are paying more attention on the global environmental problems, it is urgent to develop environmental protection and energy saving products, then, LED is born, the advantages LED is long lifetime, high lumens and electric-saved, which help the LED street light widely used in street lighting industry. And, as the production of solar power, street lights can be illuminated directly  by Solar panel. It’s brand new age now.

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