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LED Lighting - COBs, Engines, Modules

The LED lighting industry has been revolutionized by LED technology, and many of the LED lighting products available today are built using COBs, engines, and modules. Each has its own unique application field, and it is important to understand their working principles in order to select the right solution for your needs.

COBs

COBs (Chip-On-Board) are assemblies of high power LED die (chips) mounted on substrates or packages. COBs provide high light output with excellent performance and uniformity. Common applications of COBs include accent lighting, downlighting, spotlighting, and wall wash products.

COBs are typically mounted on a printed circuit board (PCB) and enclosed in a metal, ceramic or plastic housing. The LED die is mounted to metal-core PCBs, which enable efficient heat transfer away from the LED dies and into a metal heat sink. This maximizes the lifetime of the LED, since LEDs are vulnerable to overheating.

COBs are available in a broad range of light outputs, color temperatures, and designs, making them suitable for virtually any lighting application. These advantages have made COBs the popular choice in many lighting designs.

Engines

LED engines are integrated assemblies that typically consist of an LED module, optics, and driver, which are all pre-matched at the factory for optimal performance. Engines are ideal for replacing legacy lighting technologies such as HID and halogen lamps, as they offer quick and easy installation with no pre-assembly required.

LED engines emit a focused beam of light thanks to the positioning of the optics in relation to the LED module. This advantage eliminates “hot spots” and allows for uniform light output over a wide area. LED engines are commonly used for recessed downlighting,PAR lamps, wall wash and display lighting.

LED engines are available in a wide range of form factors and power ratings, and can be used in a variety of lighting applications. The modular nature of LED engines allows manufacturers and designers to easily pair compatible components to ensure optimal light output, while the total solution ensures fast and easy installation.

Modules

LED modules are individual components that can be used in a variety of lighting designs. LED modules typically consist of an LED light source, optics, and driver. Unlike COBs, LED modules are designed for more complex lighting designs where multiple LED sources are combined. LED modules are designed for use in ambient accent lighting, task lighting, and area lighting applications.

LED modules provide flexibility for custom lighting designs, allowing users to combine multiple LED sources for maximum light output in a specified area. The higher density of LED modules also allow for focused beams of light that are ideal for task lighting and wall washing applications.

Like COBs and engines, LED modules are available in a variety of sizes, power ratings, and beam angles. They are often used in display lighting and other specialized lighting applications that require the highest quality light output. While the installation of LED modules requires more assembly than with COBs and engines, the application flexibility makes them a popular choice among lighting designers.

Conclusion

COBs, engines, and modules are all popular types of LED lighting products. Each type has its own unique application field and working principles, and it is important to understand these differences in order to select the right solution for your lighting needs. By understanding the salient features of each type of LED product, designers and installers can make informed decisions when choosing LED lighting products.

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