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To this end, Zhenmingli Group (Neo-Neon Yinyu) organized research and development personnel to carry out scientific and technological research, and developed a new way to successfully develop a technology for directly coating phosphors to produce white LED chips in the LED chip process, overcoming uneven phosphor coating. The resulting white LED has poor consistency, and reduces the manufacturing process in the package, reducing the cost of white LEDs. At present, the technology has won the national invention patent and has been recognized by the industry. (Patent No.: ZL 200810026479)
The technology is mainly applied to flip-chip structures and vertical structure LEDs, and the light-emitting surface of the LED is separated from the bonding wire region by using a partitioning baffle, so that only the phosphor is applied to the light-emitting surface in the process of coating the phosphor. Specifically, the LED chip (including the transparent substrate and the transparent electrode layer) of the vertical structure or the flip chip structure is attached to the front surface of the substrate, and the partitioning baffle is disposed on the bonding wire area, so that the bonding wire area and the light emitting surface are used. The back surface of the transparent substrate of the chip is separated, and the bonding wire area is disposed on the front surface of the substrate and located at the periphery of the at least one chip structure, and the slurry containing the phosphor is directly coated on the transparent electrode layer by a coating method. Then, the phosphor is cured by heating to evaporate the solvent in the phosphor-containing slurry to form a phosphor layer, and then the separation baffle is removed, and then the substrate is cut to form a separate flip chip or a vertical structure white LED. Device. By this method, the white LED can be directly fabricated without the packaging process of the phosphor in the packaging process, thereby simplifying the manufacturing process of the white LED and solving the problem that has been plagued by the industry in the process of coating the phosphor of the white LED, which is the white LED. The implementation method provides a new approach.
With the emphasis on energy conservation and environmental protection in the world, the application and utilization rate of LED applications, especially white LED lighting, is getting higher and higher. The invention of the new technology of Neo-Neon will further promote the process of white LED lighting applications and contribute actively to energy conservation and environmental protection in China and the world.
About Zhen Ming Li Holdings Limited
Founded in 1979, Zhenmingli Group (Neo-Neon Yinyu) has 15,000 employees. The company's products include LED related products, decorative lights, stage lights, optical fiber and indoor and outdoor architectural lighting. The five series of more than 10,000 kinds of products, sales network in more than 100 countries and regions around the world.
Since 1997, Neo-Neon Silver Rain has been developing and promoting LED lighting applications. It is the first company to develop LED application products. In 2002, it set up an LED packaging factory. In 2003, it reached the middle and upper reaches of LED. He began to work on white light lighting applications. In 2008, he entered the field of LED epitaxial chips. He is the only listed company in the world that integrates vertically in the LED field, and is the global LED application lighting leader.
Neo-Neon Silver Rain is the world's largest LED production base, the world's largest small bulb production base, the world's largest decorative lamp production base and the largest stage light production base. NEO-NEON Yinyu brand has become the first brand of domestic LED application lighting, and it is well known both at home and abroad. 
In recent years, LED lighting applications, especially white LED lighting applications, have become more and more popular and more and more popular. The manufacturing technology of white LEDs has also been valued by LED manufacturers. The current mainstream white LED manufacturing method is to apply yellow or red-green phosphor on the blue LED chip. However, there is an insurmountable problem of uneven phosphor coating in the packaging process, which directly affects the white LED. Yield and performance improvements.