China uses rare earth materials to solve the world's LED lighting problems

The reporter learned from the Changchun Institute of Applied Chemistry of the Chinese Academy of Sciences that Chinese researchers have developed a new type of rare earth led luminescent material, which effectively solves the problem of AC led lighting that has not been broken internationally, making China the only country in the world to master this technology.

LED lighting is another revolution in the illumination source of incandescent lamps and fluorescent lamps. It is recognized by the world as the most promising high-efficiency lighting industry. The existing LED lighting source uses DC power as the driving, and must be converted by AC and DC power during operation, which has large energy consumption, poor heat dissipation and high cost. The strobe problem of AC LED lighting equipment has not been broken internationally.

Changchun Yinghua Institute cooperated with Sichuan Xinli Light Source Co., Ltd. in 2006 to develop new type of AC LED lighting technology. After more than six years of unremitting exploration and development, it developed a new type of rare earth LED luminescent material, which was recently organized by the Chinese Academy of Sciences. Identification of results.

The expert group believes that the technology solves the bottleneck problem of AC LED strobe and several technical problems in DC and AC drive from the source. At the same time, compared with the existing LEDs, the product has the advantages of low heat generation, high energy conversion rate and small volume, which can increase the service life by more than 2 times, and reduce energy consumption and cost by 15% and 20% respectively.

At present, the series has passed the certifications of China and the United States Underwriters Laboratories, the United States Federal Communications Commission, European Union and EU environmental protection, and sold to the United States, Canada, Mexico, Spain, Brazil and other countries.

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