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Led lighting and more energy efficient a promising area of future penetration-led lighting energy s by akjxue@sina.com akjxue
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Led lighting and more energy efficient a promising area of future penetration-led lighting energy s |
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Business,Business News,Business Opportunities
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Recently, in the country was very enthusiastic discussion of a topic of rising industrial and residential electricity price of electricity is stepped implementation of the scheme of charges, which means that users will pay more for the high cost of electricity. Electricity rose highlights Energy Tension, and awaken the general public awareness of energy conservation, energy-saving technologies that will be a strong driving force to develop.
In the field of power consumption, the consumption from the lighting means negligible. At present, many countries including China to vigorously promote energy-saving lamps in the hope that through the popularity of energy-efficient lighting equipment to reduce electrical stress. Compared with incandescent, compact fluorescent (CFL) and linear fluorescent lamp (LFL) and other energy-saving lamps consume less energy (only the equivalent of incandescent about 1 / 5), but these traditional energy-saving lamps contain toxic chemical substance mercury, adverse effects on the environment. On the other hand, high-brightness light-emitting diode (HB-LED) in recent years in light output, energy efficiency and cost, with considerable improvements, both small, Low Work and environmental protection and many other advantages, have become an area of lighting power should not be underestimated. The growing popularity of
LED applications As technology advances and lower costs, LED lighting in many fields has been used widely (Figure 1). But the comparison, LED lighting in the bulb, insert lights, street and area lighting, task lighting, landscape lighting, lighting and commercial buildings Advertisement Licensing text field general lighting circuit lighting penetration ratio is still low, less than 2%, much lower than Other Lighting type. At present, the price of restricting the LED lighting in general lighting rapid spread of a factor. However, Semiconductor LED general lighting and Power supply Director of marketing and engineering development history of the semiconductor LaurentJenck cited that as the Extension of the scope of application and application number, LED lighting will gradually towards the cost of consumer applications. LaurentJenck expected, LED general lighting is expected to begin within 5 years into the mainstream home applications.
Standard bodies around the world are actively developed and issued the relevant standard of energy efficiency LED lighting. U.S. "Energy Star" version 1.1 specification in solid-state lighting into force in February 2009. In China, responsible for setting energy efficiency standards, China Institute of Standardization is ready to lead China in the coming year of LED lighting efficiency standards.
Innovative, efficient, energy-saving?? LED a bright future
LED lighting applications as broad prospects to promote its continuous development of LED lighting to be applied for different options for the driver program. Either battery-powered applications, or directly powered by AC or DC circuit applications, ON Semiconductor may provide a suitable program of energy efficiency LED driver.
In battery-powered applications for mobile devices backlight, you can use different LED drive technology, such as the linear current drive, inductive step-up switch Regulators , Charge pump-based drives. These types of drive technology has its own characteristics and requirements, they are able to meet the needs of customers to provide the most suitable for the application of its products LED driver technology. Linear current drive simple to use, no switching noise, and very few external components, but the forward drive voltage must be less than the battery voltage, and can effect the input voltage and LED forward voltage is about; inductive step-up switch regulator of the LED string current matching is high, and the range of line voltage in the battery with energy efficiency, support for long strings of LED power, High pressure Work; charge pump-type drives the typical capacitance-based switching product topology, and integrated linear drive for tight current matching, high switching frequency, the low number of external components.
In Car Applications, according to the current size of the different needs of different LED the same drive. A new trend in automotive electronics is the current of only tens of milliamps (mA) applications, the combination of taillights with linear constant current regulator to replace the commonly used resistance-type drive. I am a professional writer from China Quality Lighting, which contains a great deal of information about wooden planter , copper planter, welcome to visit!
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