The light source that uses electric energy to do work and produces visible light is called electric light source (rectangular lighting). The use of electric light source lighting, called electric ligh
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The formulation of lighting energy-saving standards is a very important task. China's lighting energy-saving standards have been widely concerned and supported by all sectors of society and the intern
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The origin of the lamp comes from man's pursuit of light and the discovery of fire. The appearance of fire allowed humans to become independent of all things, mastering light and heat. Since humans l
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High Intensity Discharge Lamp (HID) These lamps are high pressure discharge lamps, characterized by high brightness, short arc shaped discharge tubes, usually with a glass or quartz cover of some form
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Fluorescent lamps appeared in the 1940s, which used the principle of gas discharge to generate light energy. Because the light emitted is mainly ultraviolet rays and less infrared radiation, the lumin
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The invention of the halogen tungsten lamp in 1959 brought the technology of incandescent lamps to a new level and increased the life of the incandescent lamp. Compared with the halogen-free incandes
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In 1909, American scientist Corrich invented tungsten filament as filament, which improved the brightness and life of incandescent lamps. The filament in the glass bulb is heated by electrification, a
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The emergence of electricity has made a leap in human productivity, and the emergence of incandescent lamps has also created the history of human beings using electricity for lighting. It is generall
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Since the birth of the world's first semiconductor light-emitting diode in the 1960s, LED lighting has been known as the light of hope in the history of human lighting due to its long life, energy sav
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Light, with such magic power, makes human beings persevere on the long road in pursuit of it regardless of difficulties. The appearance of lights lights the way forward for us, bid farewell to darknes
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Lighting types can be divided into: normal lighting, emergency lighting, duty lighting, guard lighting and obstacle lighting. Among them, emergency lighting includes backup lighting, safety lighting a
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Lighting methods can be divided into: general lighting, zoned general lighting, local lighting and mixed lighting. Its applicable principles shall comply with the following provisions: 1. When it is n
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