2010 LED Illuminated China Tour - National Tour Survey and Industry Seminar officially departed on July 10th, and successfully held the third seminar in Nanjing on July 30th. The atmosphere was lively and the audience responded well. The seminar was held at Nanjing Xuanwu Hotel and was co-sponsored by Gaogong LED, Nanjing Flat Panel Display Industry Association and Jiangsu Semiconductor Lighting Industry Association preparatory group, and co-organized by Nanjing Economic and Technological Development Zone Management Committee. The meeting held a heated discussion on the hot topics of the current LED industry and the development of the LED industry in Jiangsu Province.
The conference attracted more than 160 spectators, most of whom were senior executives and government agencies from LED companies in Jiangsu. Gaogong LED Zhang Xiaofei, Nanjing Economic and Technological Development Zone Management Committee/Nanjing Flat Panel Display Industry Association Xu Zhiguo, Ke Rui China Tang Guoqing, Najing Optoelectronics Liang Bingwen, Zhongjing Kechuang Zhongqun, Nanjing North Huihua Sangxia, Nanjing Street Light Management Office Liu Leishi, Philips Lumileds Zhou Xuejun and Shifu Photoelectric Cai Ming delivered a wonderful speech. Ni Delong, deputy secretary of the Party Working Committee of Nanjing Economic and Technological Development Zone, delivered a speech on behalf of the government.
Nanjing North Huihua Sangxia: Open the veil of the LED driver
Sang Xia, Marketing Manager of Nanjing North Huihua Optoelectronics Co., Ltd., mainly opened the veil of LED driver from the following four aspects: First, the distribution of the industry chain; Second, the terminal application requirements; Third, the current situation of the drive analysis; Fourth, the driver manufacturer's recommendations.
Sang Xia pointed out that the driver is in the downstream packaging and application products in the upstream, midstream and downstream industry chain, and shows the cost proportion and maintenance cost of the driver in the outdoor lighting products. Terminal application requirements are described in terms of safety regulations, radio frequency interference, electromagnetic interference, and the operating ambient temperature of the product. The current status of LED drivers is mainly analyzed from the aspects of temperature rise control, voltage range, drive efficiency and design quality.
Finally, she presented four main recommendations for LED driver manufacturers:
1. Consider the overall design and material selection quality (chip, drive, heat dissipation);
2. Before designing the structure of the lamp, consider the rationality of the power supply cavity;
3. When the LED is arranged, pay attention to whether the electrical requirements are feasible;
4. Pay attention to wiring and grounding when installing the project.
Sang Xia, Marketing Manager, Nanjing North Huihua Photoelectric Co., Ltd.
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