Why do consumers choose LED bulbs?

The incandescent lamp invented by Edison brings a new light to people's lives. Now it will gradually withdraw from the market due to its inability to save energy. From the promotion point of all parties, energy-saving lamps seem to be the only alternative, but LED bulbs have something to say: Compared with incandescent lamps and energy-saving lamps, I am more energy-efficient, longer life, and prices are gradually Become popular.

Compared with incandescent lamps: low power consumption and longevity

More than 1,600 kinds of materials were tested. Edison eventually placed the longer life tungsten filament in the incandescent lamp, and the world became brighter. In the past more than 100 years, incandescent lamps have been accompanied by users all over the world, but after a long period of use, people have found that such bulbs are not energy-saving and easily damaged. “Tungsten wire will be black, then it will not be bright, and tungsten wire is also particularly easy to blow.” This is a common experience for incandescent users, they have to replace the light bulbs frequently. Looking at the world, one-fifth of the electricity is used for lighting, showing how much power is consumed.

In previous years, countries in Europe began to ban the use of incandescent lamps. China also announced in previous years that it will phase out incandescent lamps and plan detailed routes for the delisting of incandescent lamps: November 1st, 2011 to 2012. On the 30th of the month, it is a transitional period. On October 1, 2012, the import and sale of incandescent lamps with general lighting of 100 watts or more is prohibited. On October 1, 2014, the import and sale of incandescent lamps with general lighting of 60 watts or more are prohibited. From the 1st of January to the 30th of September 2016, it is the mid-term evaluation period. On October 1st, 2016, the import and sale of incandescent lamps of 15W or more are prohibited, or adjustments are made depending on the results of the mid-term evaluation. Since the implementation of the market, it has been difficult to find ordinary lighting incandescent lamps of 100 watts or more.

Compared with incandescent lamps with larger power consumption, LED Light bulbs that emit light by diodes are very energy-efficient and their lifetime is more than ten times that of incandescent lamps. At the same time, close to the incandescent lamp, the human hand will obviously feel the heat of the light bulb, but the LED light bulb itself does not generate heat. There is a special heat sink outside the light bulb, so it will not burn the hand.

Some cosmetics promotional materials will state that women who love beauty should pay attention to indoor sun protection. Some people may find it strange that there is no sun in the room that needs sun protection. This is because conventional light sources such as incandescent lamps contain a part of infrared rays and ultraviolet rays. People's skin has the risk of sunburn. Users of LED lights do not need to worry about it. The reporter consulted with the person in charge of Philips Lighting. "The LED bulb is a semiconductor light-emitting device that contains visible light." Zhang Zhenqi, Philips LED light source product manager, told reporters that this kind of visible light is a safe cold light source with low heat radiation and will not harm human skin.

Compared with energy-saving lamps: no heavy metal pollution is healthier

In recent years, in order to save resources, the country has been promoting energy-saving lamps as lighting tools. Energy-saving lamps reduce the waste of electricity to a certain extent, but at the same time, many risks brought about cannot be underestimated.

The glass bulb of an energy-saving lamp contains heavy metals such as inert gas, traces of mercury, and lead, and emits light by activating the gas with electricity. Heavy metals such as mercury and lead are toxic substances. Once they accidentally break the energy-saving lamps, they may cause personal injury. The reporter learned that an ordinary energy-saving lamp contains tens of micrograms of mercury, and 1 milligram of mercury can cause the fish in the pond to die.

According to some manufacturers, LED bulbs do not contain heavy metals and are composed of a variety of electronic components, so they do not harm the human body.

"LED bulbs still need to be recycled in the same way as general bulbs and electronic products." Manufacturers believe that the recycling of electronic products should be gradually taken into account. LED bulbs have reduced the harm to the human body to a great extent, but users should still be correct. Discard them.

Price misunderstanding: all thought it was expensive

The price of an incandescent lamp is only a few dollars, and a good energy-saving lamp is only a dozen yuan, but the price of LED bulbs on the market is not less than tens of dollars, and some even hundreds of dollars. “The price is relatively cheap, and the people who buy will naturally be more.” Mr. Zhang, who opened a hardware store in Beijing, told reporters that compared with single incandescent and energy-saving lamps, the prices of LED bulbs are slightly higher, and the market acceptance is not high. Currently, 60 Watts incandescent lamps sell well, second only to the energy-saving lamps that the country has been promoting. The reporter interviewed a customer at random. The customer's idea was consistent with that of the store's claimant. He also believed that in front of several light bulbs, he would prefer the energy-saving lamp with only 7 yuan for the store.

"The realization of the price of LED light bulbs is not high." Some LED light bulb manufacturers are very helpless, Philips LED light source product manager Zhang Zhenqi explained to reporters, consumers generally see the purchase price at that time, and the cost calculation should include the purchase of light bulbs Money and buy electricity. For example, he said that to spend 40 dollars to buy an LED light bulb, when his death is over, he has used more than a dozen incandescent lamps with a unit price of several yuan and three energy-saving lamps with a price of more than ten yuan. The overall price is the same, and the LED lamps are more energy-efficient. So the total cost of LED bulbs is lower.

The reporter saw on Suning Tesco that the most expensive LED light bulb is a LED smart light bulb from Cabot. The price is 139 yuan, the lowest is a 3 watt bulb of Hanyuan selling for 16 yuan. Compared with a few years ago, prices have dropped significantly. "This is the result of LED chip capacity expansion." Zhang Zhenqi told reporters that after the development of the entire industry, high costs are no longer a hindrance to the development of LED light bulbs, long-term use, LED bulbs will highlight the high cost performance, consumers should Have more knowledge.