LED anti-vulcanization "concerned", what are the killers in these packaging factories?
With the development of LED packaging technology and the evolution of packaging materials, the light decay of lamp bead products has become one of the most concerned issues for many LED packaging companies. In addition to the effects of chips and phosphors on the light decay of lamp beads, the protection of lamp beads Vulcanization performance has become the most important factor affecting the light decay and service life of LED lamp beads.
Hongli Zhihui
Hongli Zhihui Group debuted at the “2017 Third Shanghai International Automotive Lighting Exhibition and the 12th Automotive Lighting Industry Development Forum (ALE)â€. The new ceramics 2016 series and PLCC6 (3433) series exhibited this time have won unanimous praise from everyone.
Ceramic 2016 Series Innovative Ceramic Technology gives products a higher light output density through the AEC-Q101 reliability requirements. The PLCC6 (3433) series uses a stable and efficient white light SMD package technology to meet SAE/ECE regulations. Both of these new products have good thermal conductivity, shock resistance and sulfur resistance, and are mainly used in turn signals, daytime running lights and brake lights.
In January 2017, Hongli Zhihui's PPL non-vulcanization product solution achieved its first mass production in China. The problem of vulcanization is also a problem that plagues many companies. For example, the temperature is now getting higher and higher. In the case of high temperature, external harmful substances enter the package, and blackening occurs after the reaction.
In response to this problem, Hongli Zhihui's PPL non-vulcanization process solution can cover all SMD, SMC, and EMC products, and can completely solve the problem of vulcanization. Up to now, it has applied for 3 invention patents.
In addition, EMC3030/5050/7070 products are used more widely. In outdoor lighting, especially EMC5050 products, light efficiency 240LM/W can be achieved in 1W, combined with PPL anti-sulfur technology, SMC package, higher reliability, SMC5050/7070 products will gain a rapid growth in outdoor product applications. .
Guoxing Optoelectronics
All along, Guoxing Optoelectronic White LED is in the leading position in the industry in terms of reliability, uniformity of light color, high color rendering, batch consistency. In order to make the device last longer and the performance is more stable, Guoxing Optoelectronics has developed a high-end white LED series product, RooStar, which is mainly used for international and high-end customers.
The RooStar series adopts VDA6.3 German automotive industry standard professional design, strictly selects international high quality key raw materials, meets the automotive industry standard certification (AEC-Q101), and the whole series passes the LM-80 test. It can achieve the ultimate luminous efficiency of 200lm/W, the extremely true color of Ra98, the extremely long life of more than 50,000 hours, the thermal shock resistance of >1000 times, which is 10 times of the standard of common products, and the sulfur resistance is higher than that of ordinary products. More than double.
Among them, RooStar series intelligent lighting COB is the first intelligent lighting COB with LM-80 certification in China. It adopts anti-vulcanization design. Under the vulcanization experiment, the device light decay is <3%, reaching the top level of the industry, ensuring Its outstanding performance in performance, life, light efficiency, etc., is also the first time in the domestic LED industry to adopt anti-vulcanization design on intelligent lighting COB.
Ruifeng Optoelectronics
The newly developed and already applied solution of Ruifeng Optoelectronics is to deposit an inorganic protective layer on the surface of the stent. This inorganic substance is outstanding in chemical stability, corrosion resistance and high temperature resistance.
At present, the usual solution in China and even abroad is to apply organic matter to the silver plating layer to isolate the silver surface from the atmosphere to prevent discoloration.
The thickness of such organic matter is difficult to control, too thick will affect the packaging performance, too thin, the protection is not enough, it is not easy to achieve a good balance on the balance to ensure electrical performance and anti-discoloration; the most important is in high temperature environment It is easily degraded and will be damaged by machinery and will not be well protected.
Third-party laboratories have conducted relevant vulcanization tests for this technology. Under the same packaging conditions, using such anti-vulcanization technology, the light attenuation is within 2% under standard test conditions, while other package products usually have an optical attenuation rate of more than 30. %, even more than 50%.
Zhaochi energy-saving lighting
For the lighting market, Zhaochi Energy-saving Lighting has continuously upgraded its SMD products and developed SMD2837 products to comprehensively improve the anti-vulcanization performance and vocs adaptability of SMD lighting products, and also enhance the market competitiveness of lighting products.
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