With the advancement of science and technology, human development in the field of lighting is changing rapidly. The invention of the LED lamp has realized more ideas of the designer, and also made the energy consumption of the lighting facility lower, the brightness higher and the change more. LED has gained wide recognition and favor due to its advantages of small size, low power consumption, long service life, high brightness, low heat, high environmental protection, and ruggedness. In just a few years, LED facilities have largely replaced traditional lighting accessories, especially in cutting-edge industries and fields such as automobiles, electronic appliances, and medical treatment.
The rapid development of the LED industry has greatly promoted the development of the upstream materials industry and further promoted the breakthrough in the field of high-end materials. A large number of plastic parts are used in LED lamps, including LED chip packaging elements, LED optical lenses, light scattering elements, high-efficiency heat dissipation elements, light reflection and light diffusion plates, etc. LED lamps are a sustainable alternative lighting solution, saving 30% to 80% energy compared to fluorescent and incandescent lamps. Although LED lamps are energy-saving and have a small amount of heat dissipation, the heat dissipation performance of their thermally conductive components is critical to the service life and energy-saving effect of LED lamps. Therefore, researchers use thermally conductive fillers to uniformly fill the polymer matrix material to improve its thermal conductivity and develop thermally conductive plastics that can effectively transfer thermal energy.
Thermally conductive plastics are increasingly replacing metal components for thermally conductive components of LED lamps, including lamp holders, cooling lamp cups and housings. Compared with traditional metal materials, thermally conductive plastics have many advantages. To sum up, there are the following four points: First, the heat dissipation is uniform, avoiding hot spots, and reducing local deformation of parts due to high temperature. Second, it is light in weight and 40-50% lighter than aluminum. Third, the molding process is convenient, without secondary processing. Fourth, product design freedom is high.
Nowadays people pay close attention to carbon dioxide emissions, and gradually increase the awareness of energy saving and environmental protection. The birth of LED technology helps people achieve the goal of sustainable development. The use of thermally conductive plastics instead of metals can increase the flexibility of the lighting design and reduce the total weight of the lighting. In addition, the application of thermally conductive plastics can effectively improve lighting efficiency and save power consumption. As government departments pay more attention to this and increase technical innovation and investment in special materials, LED materials, especially thermally conductive plastics, will have very good application prospects and room for development.
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