Key Elements and Product Selection of LED Package Dispensing Process Quality Assurance

LED production process technology, with this lighting, mobile phone, TV backlight, SMT patch technology rapid development and innovation. The bright prospects of the LED market have also attracted the enthusiasm of a large number of domestic and foreign investors. In the current development trend of the LED industry, it is sure to eat small factories, high-tech, high-quality low-end, low-quality products.

Therefore, how to ensure the quality of the whole process and reduce the process loss of LED is the most direct and effective way to improve the sustainable development and profit growth of LED packaging enterprises. Looking at the whole process of LED manufacturing (Figure 1), determine the quality of products. The key factor in the original material phosphor, the quality of the chip is directly determined. In the whole process, the ChipBo ndaing, WireBo nding, and Dispensing are the direct and effective control of the Bin range of the final product.



As shown in Figure 2, the color temperature products in the range of 3 on the chromatogram, we need to meet the requirements: 1, first find the emission peak (Emission peak) - the phosphor excitation color; 2, find the chip excitation peak (Excitation peak )--Excitation (Iv) efficiency of the highest band; 3, after mixing, confirm whether it falls within the required range and adjustment, after the adjustment is completed, the size and consistency of the package dispensing amount determine the color temperature range of the product, the smaller the range The higher the concentration of color temperature, the more concentrated the product consistency required by customers, in order to ultimately guarantee quality. Therefore, it is undoubted that the size of the phosphor powder is encapsulated and controlled in the entire process, and the quality of the package is directly determined, and the precision of the control equipment is determined.

In the past few years, almost all packaging manufacturers purchased imported equipment from abroad. The domestic equipment technology is relatively backward and cannot meet the packaging process requirements. But now, with the vigorous development of the LED industry, it has also driven the technology of domestic LED packaging equipment manufacturers. Innovation and development, nowadays both in performance and capacity can compete with imported equipment on the same stage, which has a "revolutionary" trend. In the domestic LED industry chain, related equipment has begun to replace large-scale imports, and the future In the year, it is possible to go abroad and realize the internationalization of LED packaging equipment.

Compared with LED packaging manufacturers, the quality is improved, which is the most direct and effective way to reduce the loss in the process, directly reduce the cost, consistency of color temperature, directly enhance the profit point of the enterprise, create value for customers, and Tengsheng will create a win-win path with you.

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