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There is no LED lights can really replace the 50W halogen by jodie mht
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There is no LED lights can really replace the 50W halogen |
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Automotive
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Silicon substrate GaN doubts that, between the two crystals in the high-temperature MOCVD deposition process inherent in the lattice does not match the characteristics of the need to produce a complex buffer layer to eliminate the lattice mismatch caused by stress, which is a critical flaw in the method. They believe that the scaling difficulties of the sapphire substrate is resolved, the current excess capacity can be absorbed, then the sapphire material is still preferred. At present, production overcapacity hindered the industry leading manufacturer of transfer to 6-inch sapphire and silicon carbide LED wafer manufacturing. However, other factors also played a role. Fox said that despite the industry's total production capacity utilization level is still low in recent years, the supply of production to the Chinese LED manufacturers MOCVD reactor. LED manufacturing shift in the focus will continue to encourage a further decline in the cost, but the leading manufacturers do in this regard to maintain a significant performance advantage. The United States and China market about some of the $ 10 cheap LED lights, every indication that this phenomenon may be more than the Fox before the predicted faster in some areas. However, the average price is still on the rise, not fall below $ 10 by 2014, in 2017 to $ 5. In addition to the cost of outside, the light quality of LED lights is also an important factor to promote the wide range of LED applications, only the best chip is really suitable for general lighting applications. Worrying is that the lighting company Havells-Sylvania, a survey conducted last year found that the purchase of LED lights consumers, 85 percent are not satisfied with the luminous quality of light, and said they would not buy. Havells-Sylvania, Belgium area LED and special lamps R & D manager JamesHooker said the survey results completely shocked us, while the industry has done its best to avoid repeating the mistakes of the compact fluorescent light quality. Resulting in luminous quality problems should not be technology itself. Hooker said that the LED light source inferior products on the market everywhere, some 50W halogen LED replacement lamp luminous in fact equivalent to a 25W light bulb. Havells-Sylvania, said the new 7.5W "RefLEDES50" is the only real market standard 50W halogen LED replacement lamps. The company stressed that the key attributes of the product is its luminous quality and exactly the same size with the standard halogen. Hooker said, In fact, precisely, there is no LED lights can really replace the 50W halogen. One reason is that the standards and norms can not really keep up with this rapidly growing industry. LED must light flux to be replaced to match, simply measuring the total lumen output of a product is not enough, because there is no consideration to the design of the light source optical quality, which is an "effective lumens" he said. The European Commission car dvd and mazda dvd player is planning a formal recognition of a new "effective lumens" algorithm, which will help to ensure that the LED light is indeed reached a critical quality standards no longer allow consumers to be disappointed. The algorithm is based on the orientation of the cone-shaped space or beam flux, while the total flux of publicity when the light source products on the market.
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