After two years of unremitting efforts, the province's major scientific and technological research projects with independent intellectual property rights, semiconductor lighting technology special high-power LED key detection technology and benchmark system development success, on the 6th successfully passed the provincial Science and Technology Department acceptance.
Semiconductor lighting (LED) is an international frontier and a new type of lighting technology. It is considered to be the latest generation of LEDs in the 21st century. The latest efficiency of LEDs is 8 times that of incandescent lamps and 3 times that of fluorescent lamps. According to the experts of the acceptance group, if LEDs replace all incandescent lamps and partially replace fluorescent lamps, China's lighting power saving can reach more than 100 billion kWh per year, which is equivalent to the total amount of power generated by the Three Gorges Project. Therefore, developed countries such as Europe and the United States have launched national LED projects and fully developed related technologies.
However, due to its special optical and electrical properties, LEDs pose great challenges to researchers in various countries in terms of accurate metrology and quality measurement. At present, the measurement error of international LED terminal applications is greater than 10%, and this problem has become the goal of countries to compete for.
The Provincial Science and Technology Department timely deployed high-power LED key detection technology and benchmark system development research projects. Zhejiang University Optical Institute and Hangzhou Yuanfang Optoelectronic Information Co., Ltd. undertook this task. After two years of research, the problems involved in the project have been solved one by one. Among them, many technologies such as large dynamic LED luminous flux measurement, LED light flux analysis and LED space color distribution have applied for national patents, and LED standard calibration source technology has been achieved. The international leading level, distributed photometer products have been included in the 2006 national key new products by the Ministry of Science and Technology. The benchmark test system has been adopted by the provincial technical supervision bureau and multinational companies, and exported to Europe and the United States.
The acceptance experts said that the successful development of the project marks an important step forward in China's LED industry infrastructure, becoming the fifth country after the United States, Germany, Japan and the United Kingdom to own the project's independent intellectual property rights.
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