Daily life we will use a variety of lamps and light sources, such as incandescent lamps, energy-saving lamps, LED lamps, which can be used for direct lighting, but also can be used as a decorative light source (like chandeliers, ceiling lamps, etc.). LED lamps due to advanced technology, energy-saving lamps with low energy consumption, so in the eyes of many people, incandescent lamps such as “obsolete “Lamps and lanterns are basically not in the scope of the purchase.

      In fact, this is not the case, to the three kinds of lights, for example, they actually have their own advantages and disadvantages, even if the technology is relatively backward incandescent lamps. Below, we will take stock of the advantages and disadvantages of each of the three:

Let's start with incandescent lamps:

     Many people do not know, in fact, incandescent lamps are the closest to the natural light of the electric light source, its color temperature value is usually between 2700K to 4000K, the human eye is easier to accept. Moreover, because of the incandescent grid frequency of 50HZ, this value is much higher than the human eye's reaction speed, and the filament after being ignited to the cooling of a period of inertia, so in the case of grid stabilization, the stroboscopic flicker is low, or even negligible.

     Therefore, the advantages of incandescent lamps is good color rendering (that is to say, you can better restore the object's original color, theoretically 100% reduction), the disadvantage is that the cost of electricity, low photoelectric conversion efficiency, short life.

     Need to explain is the halogen lamp (that is, the halogen lamps commonly used in car lights), it is actually a variant of incandescent upgraded version. It is in a vacuum bulb filled with halogen gas, and then realize the filament and gas tungsten halogen cycle, greatly extending the life of the filament, so that it realizes the integration of high color rendering and long life.

Let's talk more about CFLs:

     Energy saving lamps, or CFLs, are actually a variant of fluorescent lamps, also known as compact fluorescent lamps, so in this article we've taken the fluorescent lamps out for a separate discussion. It can be made into a light source with any color temperature value and high color rendering. Moreover, the strobe value is very low due to the glow effect of the phosphor.

     Therefore, the advantages of energy-saving lamps are high luminous efficacy and low energy consumption. For example, to achieve the same illumination, incandescent lamps need 60W highway, energy-saving lamps only need 11W can be easily realized. And regular manufacturers and brands out of the energy-saving lamps can reach more than 80 color rendering. Disadvantages, that is, the fluorescent tube of energy-saving lamps are filled with mercury vapor, manufacturing and recycling in the environmental issues have not yet been well resolved.

     It is worth mentioning: energy-saving lamps are already on the market is relatively easy to buy cost-effective light source.

Last but not least, let's talk about LED lights:

     Due to the different light-emitting principle, LED light source completely eliminates the strobe and has a very high luminous efficacy (that is, electro-optical conversion ratio) and the pursuit of higher luminous efficacy potential. Its advantages are small size, no stroboscopic, UV-free, high efficiency, usually high-end LED products will be more than 80 color rendering, and even some can reach 95, and, most of the LED lamps and lanterns have a long service life.

     Disadvantages, the current market price is high (driven by the interests of the fake and shoddy products naturally more), and the country has not yet specified a clear standard for it, so that the entire LED market is a mixed bag, the average consumer in the purchase of a certain risk.

   Such as the above three lamps and lanterns light source are daily life we often use, each has its own characteristics, there is no absolute good or bad. Just, we must choose to buy formal manufacturers, brand production of lamps and lanterns, do not be greedy for cheap, trying to save trouble, choose three products. The result is that the lighting effect is not good, the heavier has a certain impact on health and personal safety.

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