As luminous efficiency increases and costs decrease, LEDs are expanding from backlighting applications to general lighting. However, due to the high cost and low social awareness, LED lighting is still in the early stage of development. In order to promote LED lighting, Cree, a well-known LED chip manufacturer, has proposed a green lighting initiative to establish a global LED lighting demonstration area - LED City, through the local government and LED manufacturers to promote in all municipal infrastructure Promote and deploy LED lighting technology to save energy, protect the environment, reduce maintenance costs and improve lighting quality, and educate the public.
Chris James, vice president of marketing at Cree, said: "We are very pleased that TEDA can become a participant in LED city lighting and become China's first LED lighting demonstration area. We encourage other cities and universities in China to join the LED lighting industry to help reduce the world. Energy consumption and through innovative design and production to accelerate the application of this new technology in China."
James said that since the launch of LED City in February 2007, there have been announcements in the United States, Raleigh, North Carolina, Toronto, Canada and Arnport, Michigan, USA, to use LEDs for parking garages and street lights. And other public lighting. For example, the city of Arn Apol will install more than 1,000 LED street lights in the next two years. It is expected to save 50% of energy and recover its initial investment in only 3.8 years. The city is committed to using LED lighting indoors and outdoors as soon as technical and economic conditions permit. Fully implemented LED lighting is expected to halve the city's public lighting energy consumption, reducing annual greenhouse gas emissions by 2,425 tons. The local power company will use meters to measure new LED street lights, in order to collect enough information to develop a price list based on new LEDs.
TEA Deputy Director Ai Yamin said that in 2007, semiconductor lighting was regarded as one of the 20 key development projects in Tianjin. TEDA will fully support the promotion and application of semiconductor lighting engineering and support the semiconductor lighting industry to become stronger and bigger. To this end, TEDA plans to build two platforms, one is the semiconductor R&D and results transformation platform, including the Tianjin University of Technology Semiconductor Lighting R&D Center and the LED City Lighting Demonstration Zone, which combines government, industry and academia; the second is to form an industrial base for semiconductor lighting.
Chen Yansheng, chairman of the China Lighting Association, believes that LED lighting applications have culminated in China in recent years, but there is still some blindness, because LED technology is still in the process of development, I hope TEDA can explore scientific and rational application of LED lighting, really Become a demonstration area for LED lighting.
As the contractor of the LED urban lighting demonstration zone, Tianjin Polytechnic Semiconductor Lighting R&D Center has accumulated rich application experience. The center professor Dr. Niu Pingjuan said that since 2002, LED technology development has been started, including upstream epitaxial technology and downstream application technology development. Since 2006, LED lighting application technology development has been vigorously carried out. The forefront of the country. In the past two years, the center has designed, produced and installed about 1,500 LED street lights in the new campus of Tianjin University of Technology. About 2,000 LED downlights have been installed in eight dormitory buildings, saving more than several hundred thousand degrees per year.
Niu Pingjuan said that in the second half of 2007, there was a major breakthrough in LED lighting upstream technology. Several manufacturers such as Philips and Cree introduced LED light sources of more than 100 lumens/watt, and the special advantages of LED light sources made the overall efficacy of LED lights. Compared with traditional products, it has greatly improved and promoted LED lighting applications. She pointed out: "LED luminaires have begun to fully enter indoor and outdoor lighting and many other areas, but there is no large-scale start-up, mainly because of national standards and cost issues."
At present, the detailed planning of the Tianjin LED Urban Lighting Demonstration Zone project has not been announced. Aiyamin also confessed that TEDA held this ceremony, first of all to show an attitude; secondly, the development of technology requires a process. At present, LED lighting has problems in terms of luminous efficiency and cost, so it is impossible to pay for it at the beginning. Instead, go step by step. At present, part of the TEDA section is already trialing LED lighting. The future development speed depends on the actual situation such as budget and product price reduction.
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