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Hot News / 热点新闻
发布时间: 2018 - 03 - 23
Source: 网络
China's Ministry of Science and Technology has announced to the media in Beijing that LED lighting has huge industrial, economic, technological and social effects and is regarded as a strategic emergi...
发布时间: 2018 - 03 - 23
Source: 网络
China's Ministry of Science and Technology has announced to the media in Beijing that LED lighting has huge industrial, economic, technological and social effects and is regarded as a strategic emerging industry by many countries around the world. "LED lighting is a global opportunity, and strengthening global cooperation is an important part of its industrial development."In cooperation with developed countries and emerging economies, through the International Science and Technology Cooperation Program, China's National Key Laboratory of Semiconductor Lighting established the "International Open Innovation Center", an overseas R&D entity, at the University of Helandaierfu, and jointly trained doctoral and postdoctoral students. China also cooperates with the German...
发布时间: 2018 - 03 - 23
Source: 网络
A new material, optical diffusion coating, developed by the team of Professor You Bo of the Department of Materials Science of the University, appeared at the World Expo. The material can effectively solve the problem of low glare and low output efficiency of LED light source.There are many imperfections in the LED at present. One of the most fatal disadvantages is the characteristics of its point light source. When the LED light shines, it produces a strong light point that can not be looked at directly by the eyes. If you have been living around a high-brightness LED light source, the bright light point formed by the LED light source will instantly affect the visual judgment. In the short term, eye discomfort and fatigue will occur, and long-term use will cause permanent damage.Free from...
发布时间: 2018 - 03 - 23
Source: 网络
The global retail price of LED bulbs fluctuated in January, with the global average price of LEDs replacing 40 W incandescent bulbs rising by about 4 % a month, but the price of LEDs replacing 60 W incandescent bulbs fell by 4.3 % a month, according to a survey of retail prices of LED bulbs. Entering a brand new year, brand manufacturers will carry out new strategies. For example, Korean brand factories will continue to use parity strategies in the European and American markets to grab the market.The price performance of 40W products was replaced by regions, and the price trends in various regions were very different. Among them, the end of the commodity promotion period in the United Kingdom led to a significant increase in the price of some products, and the rest was a slight increase. T...
发布时间: 2018 - 03 - 23
Source: 网络
The drive power supply of LED lighting lamps requires very high parameters for Transformers and inductors. In order to achieve precision, it takes a lot of manpower and financial resources to achieve it. It is difficult to further reduce the cost of industrial production.For the innovation and breakthrough of LED drive constant current source chip design technology, the new solution can be applied in the actual application of LED lamp drive power supply, the output current is less sensitive to the inductance of Transformers and inductors and the parameters such as LED VF. The key to the innovation technology is to optimize the chip algorithm language. The chip controls the peak output current, and through the auxiliary winding feedback, the ratio of the demagnetization time to the chip swi...
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