On November 20th, the OFweek Semiconductor Forwarding Technology and Market Seminar hosted by OFweek China High-Tech Industry Portal, OFweek Semiconductor Lighting Network and OFweek Lighting Network was held at the Ritz-Carlton Hotel in Shenzhen. At the meeting, Dr. Zou Xiangping, chairman of Hefei New Materials Technology Co., Ltd., delivered a keynote speech titled "Introduction to New High-Power LED Thermal Schemes."
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Dr. Zou Xiangping of Hefei New Materials Technology Co., Ltd. first introduced the principle of high-power LED cooling in detail from the relationship between LED lighting characteristics and thermal performance, LED thermal system structure and thermal resistance network, and analyzed the design and selection of heat sinks. A detailed analysis of the existing main KED radiators in the current market is shown below.
Dr. Zou Xiangping analyzed the heat dissipation principle of the LED heat sink and systematically introduced the basic parameters of the LED heat sink material, the radiation heat dissipation capacity of the LED lighting heat sink, and the convection heat dissipation of the LED lighting heat sink. In the speech, Dr. Zou Xiangping said: "The natural convection heat dissipation depends on the product's appearance and the surrounding environment. The heat-conducting composite LED heat sink can be used for flexible product design, and can be used to facilitate the production of low-temperature molding and molding/injection molding and injection molding. Convection cooling and other structures, such as chimney structures, spirals, etc. In addition, for products with the same outer shape and outer wall temperature, the cooling effect of convection is basically fixed for products with different materials.†The emissivity.
Finally, Dr. Zou Xiangping compared the performance of LED heat sinks with different materials in terms of heat dissipation, electrical insulation, system cost, design flexibility, production efficiency, molding temperature, etc., and compared aluminum aluminum, other companies' thermally conductive plastics and composite heat-conducting composite materials. difference.