The thermal conductivity of plastics to replace metal into LED lighting
2012/11/19
With the level of advancement of science and technology, human rapid development in the field of lighting. LED light of the invention to achieve a more idea of ​​the designer, but also to lower energy consumption and higher brightness lighting changes. LED by virtue of the small size, low power consumption, long life, high brightness, low in calories, high environmental protection, durable advantages gained wide recognition and favor. In just a few years, LED facility has a wide range of alternative traditional lighting accessories, especially in the automotive, electronics, medical and other cutting-edge industries and fields.

The rapid development of the LED industry, greatly boosting the development of the upstream material industry, and further promote breakthroughs in the field of high-end materials. LED lights used in a large number of plastic parts, including the element of the LED chip packaging, LED optical lens, the light scattering element, efficient heat dissipation member, the light reflecting and light diffusing plate. LED lights are a sustainable alternative lighting solutions, 30% to 80% more energy-efficient than fluorescent and incandescent lights. LED lights are energy-efficient and smaller amount of heat, but the pros and cons of the thermal performance of the thermal conductivity components of LED light life and energy efficiency are critical. Thus, researchers using thermal conductive filler uniformly filled with the polymer matrix material, in order to improve its thermal performance, thermally conductive plastic developed that can effectively transfer heat.

Thermally conductive plastic is the first to replace metal parts used in LED lights thermal components including lightholders, cooling, heat light cup and shell. Compared to traditional metal materials, thermally conductive plastic has many advantages, summed up with the following four points: First, the heat evenly and avoid burning point, reduce local deformation of parts caused by high temperature. Second, the light weight, 40-50% lighter than aluminum. Third, forming without the need for secondary processing. Fourth, the product design and a high degree of freedom.

People now maintain a high degree of attention to carbon dioxide emissions, and gradually increase the awareness of energy saving and environmental protection, and the birth of the LED technology to help people achieve the goal of sustainable development. Thermal conductivity of plastic instead of metal, it is able to increase the flexibility of the lighting design, reducing the total weight of lights. In addition, the application of conductive plastic can effectively improve lighting efficiency, saving power consumption. Have given more attention as the government sector, and increase technological innovation in the area of ​​special materials and investment efforts, LED materials, especially the thermal conductivity of plastics will have very good prospects for the application and development of space.
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