Recently, Zheda Optical Institute and Hangzhou Yuanfang Optoelectronic Information Co., Ltd. jointly signed the development of high-power LED key detection technology and benchmark system development in Zhejiang Science and Technology Department.
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 advanced level, the products are distributed photometer Science and Technology included in the 2006 national key new products, the benchmark system has been adopted by the provincial and Technical Supervision and multinational companies, and exported to Europe. Acceptance Experts said the project marks the successful development of infrastructure, China's LED industry has taken an important step forward, becoming the country after the United States, Germany, Japan and the United Kingdom fifth of the project has independent intellectual property rights.
Semiconductor lighting (LED) is an international front and new lighting technologies, is considered to be a new generation of light source 21 century, energy saving, environmental protection, long life and other advantages. The latest LED efficiency has reached 8 times incandescent, fluorescent lamp three times. Inspection team of experts said the image, such as LED replace all incandescent and fluorescent lamps to replace part, China's energy-saving lighting up more than 10 billion kWh per year, equivalent to the total annual power generation of Three Gorges Project total investment of. Therefore, developed countries such as Europe and the United States have launched national LED projects and fully developed related technologies.
Due to the special optical and electrical properties of LEDs, accurate measurement and quality measurement pose great challenges for researchers in various countries. 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.
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