With the global call for a low-carbon economy and the pursuit of green and efficient, the development of new light sources and new energy lighting has become an important change. Mr. Cheng Wei from Philips pointed out that compared with the current global lighting energy consumption, high-efficiency lighting solutions can achieve energy-saving targets of about 40%, which is equivalent to saving 106 billion euros in energy costs per year, and reducing emissions by 555 million tons of carbon dioxide. With 1.56 billion barrels of crude oil, 530 less power plants with an annual generating capacity of 2 million kilowatts will be built. At this special summit, many speakers of the new light source report the focus of research on energy efficiency. In the interactive discussion with the audience, the focus of the topic is also focused on energy efficiency. It can be seen that in response to the requirements of the times, the high efficiency and energy saving of the light source is still the focus of light source research. In the case of ever-increasing lighting requirements, new light sources are emerging, such as LEDs, electrodeless fluorescent lamps, ceramic metal halide lamps, etc., and the luminous efficacy of these new light sources is also increasing. Among them, the light efficiency of LED is higher than that of traditional lighting and display light source, showing better energy-saving effect, and the energy consumption of LED in the whole life cycle of material preparation, product manufacturing and application has been lower than that of traditional lighting. In addition, LED does not contain mercury, can greatly reduce the environmental pollution of used lamps, and uses low-voltage DC power supply, no infrared, ultraviolet radiation, is a truly green, healthy light source. In 2009, there were nearly 4,000 LED companies in China, mainly concentrated in the middle and lower reaches. The total output value of the industry is nearly 82.7 billion yuan, which has become the brightest of the new light source families. In addition, the electrodeless fluorescent lamp and the ceramic metal halide lamp are also new energy-saving light sources that have developed rapidly in recent years. Promise fluorescent lamps have developed rapidly due to their long life, high energy efficiency, high color rendering, no stroboscopic, low glare, and environmental protection. Chen Yuming, an associate professor at the Institute of Electric Light Sources at Fudan University, pointed out that the life of the electrodeless lamp of 60,000 hours and the system light efficiency of 90 lm/W have made it one of the ideal energy sources for energy efficiency. According to incomplete statistics, the current production of electrodeless fluorescent lamps in China There are about 200 enterprises, and the total annual sales is about 800 million yuan. Its performance has reached the advanced level of international products of the same type, and has formed large-scale production and bulk export. Nowadays, the application of induction lamps is mainly concentrated in developed countries such as Europe, America, Japan and South Korea. Our products are mainly sold to these countries. At present, China has a large amount of independent intellectual property rights in the electrodeless lamp, and the number of patents exceeds 300, of which 80 invention patents have laid a solid foundation for the sustainable and healthy growth of the electrodeless lamp industry. Some industry analysts have analyzed that the development of induction lamps in China has opened a gap for Chinese lighting companies to break through the Western light source technology blockade. The low-carbon economy, the future development trend of energy conservation and emission reduction, has created a large market space for the electrodeless lamps. Wu Chuyu, vice chairman of the China Lighting Society, pointed out that the annual production of non-polar fluorescent lamps in China has reached more than 2 million, and the development is very rapid. At present, although the state has not issued a support policy specifically for the development of the electrodeless fluorescent lamp industry, related policies such as energy-saving emission reduction and high-efficiency energy-saving lighting products have also greatly promoted the development of the electrodeless fluorescent lamp industry. However, Yao Xiaofang, a professor at Hefei University of Technology, believes that as an industry, the electrodeless fluorescent lamp is still very weak and still in the early stage of growth. Although the key technologies are mature at present, due to high cost and low market awareness, the market share is small. Moreover, the investment entities of the electrodeless fluorescent lamps are mostly small and medium-sized private enterprises. The industry lacks leading enterprises and well-known brands with significant influence. The industrial development also lacks strong support from the government's industrial policies, and at the same time faces fierce competition in the LED industry. In addition, because there is no ready-made automated production line for electrodeless lamps in the world, there are some problems to be solved in the development of the entire production line. Therefore, compared with the traditional light source, the production cost of the electrodeless lamp is relatively high, about 3 times that of the traditional light source. It restricts the popularization of non-polar fluorescent lamps. For another new light source, ceramic metal halide lamp, Liu Kai of Pross Electric (Jiangsu) Co., Ltd. believes that in the future, from the perspective of lighting demand and product development, the future ceramic metal halide lamps have a broad Market space and application areas. Ceramic metal halide lamp is a new generation of metal halide lamp developed by foreign companies in the 1980s. It concentrates on the advantages of quartz metal halide lamp and high pressure sodium lamp. It is an ideal high-intensity gas discharge source for lighting products. . The ceramic metal halide lamp also has a high luminous efficiency of 92 to 98 lm/W, and also has outstanding advantages in terms of color rendering, color stability, color temperature difference, and life. Compared with ordinary quartz metal halide lamps, the high wall temperature makes the ceramic metal halide lamp have rich spectral radiation, and the radiant energy is enhanced throughout the visible light region, so the light efficiency is greatly increased. Wu Chuyu pointed out that ceramic metal halide lamps have also developed rapidly in China in recent years. Although there are only 20 production enterprises, the output value has reached 800 million yuan. However, more than half of the ceramic metal halide lamps that are currently flooding the Chinese market are from foreign brands such as Philips, Osram and Panasonic. The technology of both the electrodeless fluorescent lamp and the LED is different, the division of labor is different, high-power lighting, LED lamp can not be compared with the electrodeless lamp, on the contrary, in the less power lighting, landscape lighting, indicating lighting, display, the electrodeless lamp Not as good as LED lights. In general, the non-polar fluorescent lamps, ceramic metal halide lamps, LEDs and other light sources have their own characteristics, and the application fields should also be biased. For example, ceramic metal halide lamps are mostly used in factory buildings (high power) and shops (small power) lighting, while infinite fluorescent lamps. It has a good performance in road (tunnel) lighting and public lighting. For LEDs, although technical difficulties such as heat dissipation, light decay, and light color also restrict its large-scale application in some fields, the rapid development of its technology has made it appear in various fields above, and the future application space will inevitably expand. Wu Chuyu believes that LED, electrodeless fluorescent lamps and ceramic metal halide lamps are good light sources. Due to different technological development levels and characteristics, various light sources should complement each other and be fully utilized in their respective fields. As Xiao Hongqing, a professor at Taiwan University of Science and Technology, said, “Only when the light effect is no longer improved and the price does not fall for a long time, can we say that the industry has matured.†Whether it is LED, electrodeless fluorescent lamp or ceramic metal halide lamp China's development has become a prairie, but there is still a long way to go as an emerging industry.
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