Light is a great invention in human history, and the appearance of electric light has greatly promoted the development of human civilization.
The first lamp to be used was the incandescent lamp, invented and mass produced by Thomas Alva Edison in 1879. Incandescent lamp is the first generation of electric light source, its luminous efficiency can reach about 13%, good color rendering, continuous spectrum, easy to use. However, because the energy conversion efficiency of incandescent lamps is relatively low, they are gradually eliminated by the market.
With the development of society, fluorescent lamps (fluorescent lamps) began to appear in the 1930s. In 1974, fluorescent powder with red, green and blue light appeared, and using it as a raw material for fluorescent lamps greatly saved energy. Fluorescent lamps have long service life, high luminous efficiency, large illumination area, and can be adjusted to different light colors. But the tubes of fluorescent lamps consume a lot of electricity, and most of the electricity is consumed as heat.
Then high-pressure sodium lamps and metal halide lamps came out, which are called the third-generation lighting sources. High-pressure sodium lamps are characterized by high luminous efficiency, low power consumption, long life, strong fog penetration and not easy to rust, etc. Therefore, high-pressure sodium lamps are widely used in various places for general lighting. The advantages of metal halide lamps are that the luminous efficiency is particularly high, the luminous efficiency is as high as 80-120Lm/W, the color rendering index is high, the color reduction is good, and the Ra can reach 90. Therefore, it is used in indoor lighting of stadiums, large shopping malls, industrial plants, street squares, docks and other places.
The last is the widely used semiconductor lighting – LED lighting. The emergence of LED lights has broken the traditional light source construction idea, and it is a huge light revolution that started anew after the light bulb. Used in explosion-proof series lamps and general lighting series lamps, mainly white LED single, supplemented by LED integration and SMD, mass production of LED hanging lamps, LED platform lamps and other industrial lighting lamps, breaking the limitations of the traditional lighting industry sex. It is widely used in industrial lighting because of its characteristics of energy saving and environmental protection, low energy consumption, high luminous efficiency, long life, sturdy and durable (waterproof, dustproof, anticorrosion, explosion-proof).
In the intelligent era of the 21st century, the intelligent lighting market presents huge growth potential in the next few years. With the progress of the times, the reform of lamps and lanterns continues, and what changes will happen to LED lighting, we will wait and see.
These beautiful interior light fixtures above are fromDongguan Mingpin photoelectric lighting company limited.
If you are interested in these products, please contact the sales staff below, they will get back to you as soon as possible!
SandyLiu:sandy-liu@wonledlight.com
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