[Text / high-tech LED Zhao Hui] LED development all the way forward, from the initial functional requirements to the current pursuit of light quality and aesthetic design, COB came into being.
In fact, after years of development of COB, the advantages in the field of LED lighting are undoubted. The development of COB of Hongli Optoelectronics has always been around emerging materials. It is also due to the early layout. At present, Hongli Optoelectronics has 4 fully automated production lines in COB packaging. In 2015, it will expand to 8 and the monthly production capacity will reach 3000k. .
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In the recent 2015 Golden Globe Awards, Hongli Optoelectronics won the COB Device Gold Globe Award for its high optical density flip-chip COB device. Xinyue Optoelectronics, the same party, and Zhonghao Optoelectronics were also shortlisted for the award.
The high-intensity flip-chip COB introduced by Hongli Optoelectronics adopts a flip-chip blue chip combined with a super-thermally conductive aluminum substrate or a ceramic substrate process, and introduces an advanced phosphor deposition process, which can effectively improve the concentration and lower the temperature of the rubber surface. At the same time, combined with ultra-high thermal conductivity materials, the reliability of the product is improved.
According to the person in charge of Hongli Optoelectronics related technology, its high optical density inverted COB series products have entered the mass production stage, namely aluminum alloy 1818 (LC003) and 1313 (LC004). The power can cover 15~80w, the color rendering index is greater than 80, and the maximum can be greater than 95.
For the new products introduced, in order to ensure the reliability and stability of its batch products, Hongli Optoelectronics is unequivocal in verifying the reliability of the products, and always speaks with data. This high-density, flip-chip COB has a lifespan retention rate of over 98% after 2000 hours of power-on experiments. Hongli Photonics Lab has LM-80 aging equipment and is an Energy Star Laboratory accredited by CNAS and authorized by the US Environmental Protection Agency (EPA).
Hongli Optoelectronics believes that COB will have its own unique market space in the future technology. The core part of the technology breakthrough is in the substrate and related packaging materials, and the other part is the packaging structure design with more cost-effective advantages. Therefore, in the technical development of COB packaging products, Hongli Optoelectronics has always been carried out around new materials and new processes, which also makes the company's COB devices have excellent performance in terms of performance, reliability and photoelectric parameters. Hongli's COB LEDs with 9W/25W/100W power respectively have obtained the third-party LM-80 7000-hour test report and have perfect patent protection.
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