LEDs are highly favored in the market due to their eco-friendliness, energy efficiency, longevity, and compact size, making them almost ubiquitous in our daily lives. In LED lighting applications, LED brackets are a critical component, serving as a chip carrier while also facilitating heat and electrical conductivity. Therefore, the selection of materials for this part is crucial.
Traditional LED brackets were commonly made from materials like metal and ceramics. However, with the market's demand for lightweight and cost-effective LED lighting, new engineering plastics have now become the primary raw material for LED brackets. High-temperature-resistant special nylon (PPA) was an early engineering plastic applied to LED lighting SMD brackets.
As market competition intensifies, cost and price have become the primary competitive tools. This has led to the widespread use of cost-effective modified high-temperature nylon and related water nozzle materials in LED brackets. However, these plastics fail to meet the high-quality requirements of LED lighting products in terms of heat resistance and yellowing resistance. Most bracket products produced with these materials have issues such as poor high-temperature endurance, easy deformation, yellowing, reduced reflectivity, and decreased mechanical strength. Not only does this affect the product's lifespan, but it also diminishes the product's aesthetic appeal.
A high-performance engineering plastic specifically designed for LED brackets has effectively addressed these issues. This material boasts exceptional initial brightness and long-term resistance to yellowing, while maintaining high light reflectivity over extended periods. After being subjected to high temperatures like reflow soldering and UV treatment, it retains high whiteness and reflectivity. In terms of airtightness, LED brackets made from this material can pass stringent red ink penetration tests, exhibit low moisture absorption, and maintain good dimensional stability in humid environments. It's worth noting that this series of materials also features high crystallinity and crystalline degree, as well as improved flowability, making them suitable for rapid prototyping.
