In 1879, Edison of the United States succeeded in extending the life of incandescent bulbs to more than 40 hours. In 1910, the Couli Hall in the United States used tungsten wire as a filament to invent a tungsten filament bulb.

In 1913, the American Lanmir invented the gas-filled tungsten filament bulb by filling the glass with gas to prevent the filament from evaporating.

Incandescent bulbs In 1925, Japan's unbreakable orange three invented the inner wall matte bulb.

In 1932, Japan’s Miura Shunichi invented a double-helical tungsten filament bulb.

Since then, mankind has never stopped pursuing light. Soon people discovered that human beings not only need indoors.

To illuminate to meet your own daily life, whenever night falls, in order to extend the outdoor activities, lighting is also required, so that the street lights are born. With the civilization and progress of mankind, it was discovered that in the 1970s, people found that the wall-mounted installation of street lamps not only occupied space resources, but also that the lawn lights hanging on the top of the head not only made people feel depressed, but also had potential safety hazards and could not meet certain space. The installation and lighting requirements were such that the lawn light was born.

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