The results of the "Research and Development of Rare-Earth LED Light-emitting Materials with Controllable Afterglow Lifetime and Their Application in Semiconductor Lighting" jointly developed by the Changchun Institute of Applied Chemistry of the Chinese Academy of Sciences and Chengdu Sichuan Xinli Light Source Co., Ltd. have recently been certified by the Chinese Academy of Sciences in Chengdu. The expert group believes that this original rare earth luminescent material has effectively solved the problem of stroboscopic AC LED lighting equipment that has not been broken internationally, and has achieved a leap from basic research to industrialization, reaching the international leading level, making China a world The only country that masters the production of low-frequency flash AC LED products through rare earth phosphors.
LED lighting is another revolution of the light source after incandescent lamps and fluorescent lamps, and is recognized by the world as the most promising and efficient lighting industry. The existing LED lighting source uses DC power as the drive, which must be converted by AC and DC power during work. It has large energy consumption, poor heat dissipation and high cost. Therefore, the development of new LED lighting products that can be directly driven by AC power is to benefit the people and promote The major demand for the development of LED lighting industry.
Changchun Yinghua Institute and Sichuan Xinli Light Source Co., Ltd. cooperated on the development of new AC LED lighting technology in 2006 in response to major national needs. After more than 6 years of unremitting exploration and development, they developed a controllable luminous afterglow with a long life. The new rare-earth LED luminescent material solves the bottleneck problem of AC LED stroboscopic from the source. Its luminous afterglow life matches the frequency of the AC power. It realizes that the luminescent powder still emits light when the LED chip is not luminous, thereby making up for the stroboscopic caused by AC LED current fluctuations. It has opened up a rare earth luminescent powder with a specific life-span as the core, which is completely different from the foreign and Taiwan area exchange LED technology route, and solves some technical problems existing in the DC and AC drive from the source. This achievement won the two nomination awards of the "Energy Innovation" and "Building Environment" of the British Institute of Engineering and Technology (IET) in 2012, and has obtained three Chinese invention patent authorizations, and three PCT international patent applications have entered the stage of multiple national trials , Built an independent intellectual property system.
Compared with existing LEDs, this product has the advantages of low heat generation, high energy conversion rate, small size, etc., which can increase the service life by more than 2 times, and reduce energy consumption and costs by more than 15% and 20%, respectively. At present, this series of products have passed the relevant certifications in China, as well as the United States Underwriters Laboratories (UL), the United States Federal Communications Commission (FCC), the European Union (CE) and the EU Environmental Protection (RoHS) and Other certifications. Mexico, Spain, Brazil and other countries have achieved significant economic benefits.
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