The limit of incandescent lamps is coming soon. The lighting technology invented by Edison has been in service for more than 130 years, and it has not changed much so far. It is time to withdraw from the stage of history.
Whether it is the European Union, the United States or China, the roadmap for eliminating incandescent lamps has been introduced. According to China's road map, from October 1, 2012, the sales and import of incandescent lamps above 100w will be completely banned; in the next four years, incandescent lamps of different power will be eliminated in turn, until 2016, the incandescent lamps above 15w will completely withdraw. Lighting market.
Lighting revolution
According to industry insiders, the war of developing a new generation of lighting technology has started, LED lights are the trend of the times, the entire industry is competing for the commanding heights of led technology.
A survey of 700 electrical contractors in the United States by Electrical Contractor shows that 33% of electrical contractors believe that LEDs are ready to replace incandescent lamps, and 23% of contractors say LEDs will be ready to replace compact energy-saving fluorescent lamps (CFLs). Another 19% of respondents said that LEDs will replace fluorescent lights.
LED is the abbreviation of LED. In essence, it is a solid-state semiconductor device that can directly convert electricity into light. As early as the 1960s, General Electric invented LEDs. In the 1970s, red LEDs were first widely used in small calculators and electronic watches. LEDs of various colors such as blue, red and green have appeared in the following decades, and are used for indicator lights, signal lights, display screens, and landscape lighting. But they can't work in everyone's living room until after the white LED was developed in 1996, LED technology began to change in the field of home lighting.
Compared with incandescent tungsten light, fluorescent light has three primary colors, LED uses electric field illumination, and the efficiency is quite high - it can convert about 25%-40% of electrical energy into light, while incandescent light can only be less than 10%. The electrical energy is converted into light, and the rest is converted into heat and wasted.
In China, lighting consumption accounts for about 12% of the total electricity consumption. Increasing lighting power is an important way to save energy. The key to lighting energy saving is to improve the efficiency of converting electric energy into light and reduce the loss of the lamp itself, taking into account climate change and energy shortage. The big background, LED lights can of course attract the attention of the world - under the same light effect, LED lights are 80% more energy efficient than incandescent lamps.
As a new generation of green lighting source, in addition to environmental protection and energy saving, LED light source has a long service life of tens of thousands of hours, which is 10 times longer than traditional light sources. Compared with traditional light bulbs, the light emitted by LEDs is closer to natural light, and the color of the object can be closer to its true color.
The LED light source that emits light by electronic motion has no ultraviolet rays and infrared rays in the spectrum, so there is no flashing frequency and radiation, which protects the eyes.
"Energy saving lamp" lost
Before the application of LED technology to lighting, the industry has also developed a variety of energy-saving lamps, among which fluorescent lamps are among the most prominent, especially compact fluorescent lamps, which was once the new hope of replacing incandescent lamps.
In the 1990s, the energy crisis swept the world, and consumers began to welcome this energy-saving lighting technology. Compared with ordinary incandescent lamps, compact fluorescent lamps can save about 60% of electricity, which is why it is called energy-saving lamps.
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