At present, most aluminum lamps used in LED lamps, such as the insulating layer is caused by epoxy resin, the heat dissipation is not high; the light decay rate is high, resulting in a life expectancy that is not up to the theoretical life; stroboscopic conditions are also common, Many products on the market have a color rendering index of 80 or less as specified by the national standard; technical limitations such as narrow voltage adaptability range.
At present, some enterprises have introduced a new series of thermal conductive ceramic film-forming LED lamps to effectively solve the above-mentioned deficiencies of traditional lamps and existing LED lamps, and achieved six revolutionary breakthroughs in product performance, namely: light decay is smaller; use is safer; The product is more environmentally friendly; it has a longer life span and a wider range of applications;
A few days ago, the reporter called the general manager of Qitai Qitai, who said that "ceramic film forming technology replaces the aluminum substrate and aluminum casing, directly solders the LED tube on the ceramic substrate, and then solders the ceramic substrate on the aluminum plate. The process removes the role of epoxy resin and thermal paste, which greatly reduces the thermal resistance of the LED. It is more advantageous with the aluminum substrate and aluminum casing technology in the thermal filming technology. At the same time, it is made by ceramic film forming technology. Due to the small thermal resistance and the small temperature rise, the life of the LED lamp is greatly extended. The thermal conductive ceramic has both electrical insulation performance and thermal conductivity. It also has rigidity and corrosion resistance and is in line with the European Union's Restriction of Hazardous Substances (RoHS). Claim."
Xi Ke revealed that Jingda Qitai has just entered the LED field through research and development and self-production. There are still many processes to be explored in the research and development of ceramic substrates, and the production capacity of LED lamps using ceramic film forming technology is not very large. .
Industry experts also said that the introduction of ceramic film-forming technology into the production of LED lamps, instead of aluminum substrates and aluminum casings, eliminating the need for epoxy and thermal adhesives in the middle, the heat dissipation performance is indeed better than the aluminum substrate. However, as far as the current research and development level of domestic ceramic film forming technology is concerned, the application process of LED lamps is not mature enough. It takes a long way to achieve large-scale replacement of aluminum substrates to intervene in LED lamps.
Xi Ke said that there is still a lot of technological breakthroughs in ceramic film-forming technology. Qitai is also trying to do something in the LED field. Their goal is to achieve a complete non-metallization of the internal heat sink of LED lamps. For the future development prospects of the LED industry, LED is the best alternative light source in the future after incandescent lamps and energy-saving lamps, but the quality of LED products on the market is uneven. These quality problems are closely related to power supply and heat dissipation technology. Solving the problems of light efficiency, high price and lack of standards, LED lighting is definitely the development direction of future lighting. Therefore, in the future of the LED industry, the application of ceramic substrates on LED lamps is only the beginning. In the future, it is still a long way to go to realize the non-metallization of the internal heat dissipation body of LED lamps.
According to CSA Research, in terms of the current domestic R&D level, ceramic film-forming technology is more expensive in terms of cost than aluminum substrates, and the price is not much different from that of aluminum substrates. In the ceramic substrate technology, large technical improvements are needed. After the ceramic substrate technology and process application are relatively mature in the future, the internal heat sink of the LED lamp will be non-metallized, which will highlight its advantages in material cost and performance.
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