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It is understood that the COB packaging market is currently dominated by major Japanese and American systems, and the development of domestic COB packaging is also very rapid. The upgraded COB technology keeps pace with the development of the international market and is in a leading position in China. The Japanese company's technology direction mainly takes the small chip integration route, mainly to Citizen, Sharp, etc., while the US Department represented by Purui and Cree is mainly based on the large chipset route.
In the first quarter of this year, the LED packaging market demand slowed down, and some listed companies' Q1 performance showed a negative growth. Yin Hui said that the COB light source showed rapid growth in the first half of this year. According to statistics, in the first two quarters of this year, the company's patch packaging market growth rate was 45%. The growth rate of COB packaging products has reached more than 100%. 
"COB light source surface light source personalized design, high reliability, high light efficiency and high index is very suitable for commercial lighting and industrial lighting needs, the bulb, spotlight market is also gradually introduced, COB light source needs a development process, in some commercial lighting The field has become a mainstream light source, which is a trend.†Yin Hui said that in 2006, the company began to develop COB light source, which was the earliest in China. The first generation technology developed at that time mainly focused on improving luminous efficiency.
"However, at that time, the technology of COB packaging technology was not very mature, and the key was to encounter many problems in materials." Yin Hui said. Subsequently, the company began to develop second-generation technology, focusing on improving reliability. And achieved breakthrough results in early 2011, completely solving the problems of materials and processes. The product has stable performance, high luminous efficiency and low light rate. At present, the COB products of the company's 3-150W series can achieve 100 lm/w or more in the 6000K color temperature section, and some can reach 120 lm/w. The color rendering index of the 3000K color temperature range is above 80, and the light effect batch shipment is above 80 lm/w, and the typical value is above 85-90 lm/w.
It is understood that the ascending photoelectric COB light source meets the LM80 test standard and has passed the simulation test. This year, Asachem Optoelectronics and several international lighting manufacturers reached a COB source supply agreement, and has become a specific supplier of LED light sources for a number of domestic lighting giants. 
[High-tech LED reporter Tang Guirong] With the personalized demand for LED light source for commercial lighting, COB packaging has gradually gained market recognition. Yin Hui, director of marketing for the company, said that many foreign customers are looking for COB light sources this year, and COB packaging has become the market darling.