Energy saving effect of LED lighting
With the continuous consumption of energy and the increasing scarcity of resources, the harm of the greenhouse effect to human beings is becoming more and more obvious, and the pollution of the atmospheric environment to the earth is becoming more and more serious. The priority of work. my country officially launched the green lighting project as early as 1996, and proposed that the lighting project should save resources, prevent pollution and benefit future generations. Over the years, through the joint efforts of all walks of life, as the fourth-generation light source semiconductor LED lighting products have developed by leaps and bounds, and achieved remarkable achievements in energy saving.
The long life of high-power LED street lights is a focus issue that everyone is very concerned about. As described in the product brochures of many domestic and foreign experts and companies, 50,000-100,000 hours are optimistic. In fact, the life of high-power LED street lights depends on small problems in life.
LED lighting was once regarded as a promising sunrise industry, but the blind expansion of production capacity made the industry briefly enter the winter. The reporter interviewed at the 18th Guangzhou International Lighting Exhibition and found that the problem of LED overcapacity still exists, and the terminal price competition of lighting products is fierce. However, the report released by the Guangdong Guangya Lighting Research Institute shows that since this year, the market demand for LED backlight and lighting is gradually turning strong, and the orders from chip, packaging and application manufacturers are full. Some entrepreneurs and industry analysts believe that LED lighting is expected to enter an explosive development stage in the fourth quarter of this year, and will even usher in a seven- to eight-year prosperity period. The LED market outbreak is approaching. In February this year, the "Semiconductor Lighting Industry Energy Saving Plan" jointly issued by six ministries and commissions pointed out that by 2020, the global lighting market will exceed 150 billion US dollars, and the LED lighting market is expected to reach 75 billion US dollars, accounting for 50% of the global lighting market share. %. Among them, the LED lighting market share is expected to expand 15 times compared with about 5 billion US dollars in 2010. In addition, according to the data of the Taiwan Topology Industry Research Institute, the current global penetration rate of LED lighting is only 10%, and the development potential is huge. Quan Jian, chairman of Guangdong Lighting Association, believes that with the continuous improvement of industry technology and the rapid decline of prices, LED lighting products can be rapidly expanded. According to industry analysts, LED light sources can drop to US$15/1000 lumens by the beginning of 2014, and the light source price of some aggressive lighting manufacturers in the Asia-Pacific region will drop to US$8/1000 lumens. In about 2-3 years, the cost of LED lighting products will drop to the critical replacement point ($5) for large-scale replacement of global energy-saving lamps. In the next 7-8 years, 70-80% of lighting products will be replaced with LED products, and the LED lighting market is expected to usher in a golden growth period. Dr. Pan Wenbo, founder of Guangzhou International Lighting Exhibition and director of Guangzhou Guangya Frankfurt Exhibition Co., Ltd., said that in 2013, the output value of LED lighting industry increased significantly compared with the second quarter of last year, and the market growth rate in the fourth quarter of this year is expected to be even greater. In the next 7-8 years, it is estimated that 70% to 80% of lighting products will be replaced by LED products, and the LED lighting market will usher in a golden growth period. The vicious price war caused concerns. However, Pan Wenbo also expressed his concerns. The LED lighting industry has a low threshold, and the government has high subsidies and preferential tax policies, which has led to a large number of enterprises crowding in, and the low-end overcapacity situation is more serious. The result of low-end overcapacity is a vicious price war. At the Guangzhou International Lighting Exhibition, some exhibitors revealed that LED lighting now has the risk of going back to the old road of vicious competition of energy-saving lamps. At a wholesale market in Zhongshan, various components of LED products have been standardized. Some small factories employ a few people, purchase various low-end components and go back to produce LED products themselves, and the price is very low. For example, for a 3-watt LED bulb, if all components are purchased at wholesale prices, the cost is about 7 yuan, and the market can sell for at least 15 yuan or more. Pan Wenbo said that now many LED companies maliciously reduce the price of LED products in order to grab market share. You get what you pay for, and under vicious competition, the quality of low-priced products is also poor, which in turn leads to dissatisfaction among consumers, making it more difficult to promote LED lighting products and forming a vicious circle. The reporter learned that the exhibition area of this Guangzhou International Lighting Exhibition has increased by 5,000 square meters on the basis of last year, reaching 220,000 square meters, but the number of exhibitors at 2,600 has decreased slightly compared with last year. The exhibition is regarded by the industry as a barometer of the world's lighting and LED industry. The signals revealed from the exhibition in the past two years show that the development of the LED industry is gradually returning to rationality under the trend of industrial transformation, upgrading and polarization. Pan Wenbo analyzed that, like other industries, the process of rapid development of LED lighting is bound to be a process of survival of the fittest. According to the law of the basic development of the industry, there will be a 30%-50% or even 70% elimination rate. In the future, companies with advantages in brand, technology, channels, innovation, etc. will occupy a larger market share.
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