Like the current hot investment LED industry, at the IIC-China Shenzhen station that opened today, various LED solutions have become the focus of manufacturers' demonstrations, whether it is NXP, TI, Intersil and other international famous manufacturers, or Chinese local IC manufacturers, LED lighting. The program became the focus of the show. The first day of the "new era of green energy" is to show the theme of LED lighting to the fullest, from the national high-tech enterprise development LED professional committee director Zheng Haowen, NXP and STMicroelectronics experts from the global demand to China The demand has been explained in detail from the LED industry chain to IC-related technologies.
"The demand for LED is entering the general lighting market from government projects. The National Eleventh Five-Year Plan is to achieve five major lighting companies in China and compete with international lighting giants." Zheng Haowen said in his keynote speech, "LED as the future of next-generation lighting products." In the next 20 years, the lighting market will be rapidly occupied. China's rise in the LED general lighting market will bring LED global competition to the Chinese market. In 2015, China will create a global market for LED lighting.†However, he believes that Chinese companies need to merge and integrate. Form a certain scale to compete with international giants.
According to Zheng Haowen, in terms of LED general lighting, the luminous efficiency of 70-80lm/W is sufficient. Under this illumination, LED lighting can save 50-60% energy compared with traditional lamps (including energy-saving lamps). Today's mainstream technology has reached this level. The high-end 130lm/W product has also been commercialized, and Cree introduced a 180lm/W LED chip at the end of last year. “But the current problem is that consumers think that LED lighting only saves electricity and does not save money. This is mainly because the electricity bill in the Chinese market is too cheap.†He explained that the cheapest country in Europe is Hungary, which is equivalent to RMB. 1.8 yuan / kWh, and in Germany is as high as about 10 yuan / kWh, "But China's electricity bill will certainly be improved, more than 1 yuan / kWh is likely, the national patch will not last long, so LED lighting will be It saves electricity and saves money."
Although Zheng Haowen advocates the convergence of the number of industries, the collection is small, the enterprises should not be too dispersed, so that they can compete with international giants, but the marketing manager of NXP Greater China lighting products, Chen Yi, believes: "The LED market will be a thousand times growth. In the market, everyone has the opportunity, big and big gameplay, small and small gameplay, not necessarily big."
He came up with a set of data analysis: Last year, the global LED bulbs sold for 10 million, which is a very meaningful data, indicating that LED lighting has entered a new milestone. “However,†he said, “the shipment of 10 million LED bulbs is less than 1/1000 of the world’s 15 billion incandescent lamps. Therefore, investing in the LED lighting industry is definitely catching the dark horse.â€
He also like Zheng Haowen, thinking that LED is most suitable for indoor lighting. He vividly likes to say: "The LED lighting industry is a wolf compared to the incandescent lamp industry. Now everyone is calling the wolf, and the sheep can live for a few years? But our energy-saving lamp technology can make the sheep into a happy sheep, a gray wolf. The Pleasant Goat can live for a few more years.†Chen Yu said that last year, global energy-saving lamps shipped 3 billion, accounting for 20% of the entire lighting market, and 90% of the world's energy-saving lamps are produced in China. "However, there are many complaints about energy-saving lamps at present, especially adjustable energy-saving lamps, which are expensive and have quality problems. The reason is very simple. At present, 90% of energy-saving lamps are separated by separate devices, and multiple devices will have problems. The product life expectancy is usually less than the nominal value.†He said that NXP uses the most advanced technology to replace the expensive dimmer (currently $40), which can be dimmed at the same cost as incandescent lamps; A highly integrated IC to design energy-saving lamps has greatly extended the life of energy-saving lamps. "The EU also supports the adoption of chip solutions," he said.
However, in the end everyone still has to move toward LED lighting. He is very funny. "Everyone knows that LEDs are diodes. Now the diodes are sold in pounds. One day LED chips will be sold in pounds." It's like a dream, but from the rapid price reduction trend of LED chips, this is likely to become realized. However, the most important cost of LED lighting is not on the LED chip, it will be in package, drive and system cost. Even if one day LED chips can be sold in pounds, other devices are still sold in "dollars". Here, the chip company said that the most competitive thing at present is how to improve the efficiency of the driver part and reduce costs.
A high-brightness monopole LED driver IC (ISL6721) from Intersil at the conference is recommended. Similarly, at TI's booth, they introduced the latest high-efficiency AC input multi-string LED lighting driver IC - UCC28810. “This solution is less expensive than a constant voltage solution and provides a step-down mechanism for each string of architectures,†said field engineers at the TI booth.
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