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.
Incandescent lamps In 1913, the American Lanmir invented a gas in the glass bulb to prevent the filament from evaporating, inventing a gas-filled tungsten filament bulb.
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 have discovered that human beings need not only to illuminate indoors to meet their own living, but also when night falls, in order to extend the outdoor activities, lighting is also required. Born and 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 street lamps 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 garden light was born.
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