On-board chip LED and surface mount are two different technologies that each play an important role in electronic assembly and LED manufacturing.
Chip-On-Board LED, also known as COB (Chip-On-Board) LED, is an LED packaging technology. In this technology, uncoated semiconductor components are mounted directly on a substrate or PCB with the help of conductive or non-conductive adhesive and then wire connections are made to achieve electrical connections. This technology enables the LED chip to be closely integrated with the substrate, improving the stability and reliability of the overall structure. Onboard chip LEDs have many advantages, such as high brightness, high reliability, long life, etc., so they are widely used in lighting, automobiles, backlights and other fields.
Surface mount technology, namely SMT (Surface Mounted Technology), is currently the most popular technology and process in the electronics assembly industry. It does not require drilling insertion holes on the printed board, but directly attaches and welds surface-mounted components to the specified positions on the surface of the printed board. This technology simplifies the manufacturing process of electronic products, improves production efficiency, and reduces costs. At the same time, since the components are directly attached to the printed board, the connection lines between the components are reduced, thereby reducing the size and weight of the product, making electronic products lighter and more portable.
In general, on-board chip LED and surface mount technology are indispensable technologies in modern electronic manufacturing. Each of them has unique advantages and application areas, and together they promote the development and progress of the electronics industry. For more information, it is recommended to consult professional books in the relevant field or consult experts in the relevant field.
Chip on Board LED vs Surface mount
On-board chip LED and surface mount technology each have unique characteristics and advantages. The following is a comparison of them:
1. Structure and application:
Chip-on-board LED, also called COB LED, installs the LED chip directly on the substrate or PCB to form a compact structure. This structure improves the overall stability and reliability and is suitable for various application scenarios that require high brightness and high reliability, such as lighting, automobiles, backlights, etc.
Surface mounting technology is an electronic assembly technology that realizes the assembly of electronic products by directly attaching and welding components to the surface of the printed board. This technology is widely used in various electronic products, such as mobile phones, computers, etc., to achieve miniaturization, lightweight and high performance of products.
2. Performance characteristics:
Onboard chip LED has the advantages of high brightness, high reliability and long life. Since the chip is closely integrated with the substrate, the heat dissipation performance is also better, which helps to improve the stability and life of the LED.
Surface mount technology has the characteristics of high assembly density, small size and light weight of electronic products. At the same time, due to the reduction of connection lines between components, electrical performance is improved, such as small transmission delay and fast signal transmission speed. In addition, surface mount technology also facilitates automated production and improves production efficiency.
3. Cost and efficiency:
Onboard chip LEDs are mounted directly on the substrate, simplifying the manufacturing process and reducing costs. At the same time, its high stability and long life also reduce later maintenance costs.
Surface mounting technology can significantly reduce production costs because it can achieve automated, high-volume, and high-efficiency production. In addition, due to the standardization and serialization of components, production and maintenance have become more convenient.
In summary, on-board chip LED and surface mount technology each have their own advantages. Onboard chip LEDs perform well in terms of stability and reliability and are suitable for scenarios with higher performance requirements; while surface mount technology is widely used in various electronic products due to its miniaturization, lightweight and high performance. middle. When choosing which technology to use, comprehensive considerations should be made based on specific application scenarios and needs.