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LED Lighting - COBs, Engines, Modules

LED lighting technology has evolved rapidly over the last few years. Initially, LED lighting was confined to simple decorative and emergency applications. Now, with the availability of more power efficient components, it has been adopted for a much wider range of applications, including commercial lighting and much more. In this article, we will focus on the applications and working principles of LED lighting devices known as COBs, Engines and Modules.

COBs (chip-on-board lights)

COBs are sometimes referred to as "integrated LED" as they are composed of multiple LED chips/dies in a single package. This means that multiple LED chips can be arranged on a single substrate, thus increasing the total light output of the fixture. COBs are then mounted onto mounting surfaces such as boards or panels. This allows the individual LED chips to be placed on an even plane, thus increasing light output and making the light source more efficient.

COBs are usually found in commercial or residential applications where a high level of illumination is required. This could be a large parking lot, or a retail store. Additionally, COBs are frequently used in architectural lighting applications as well as for television and film lighting.

Engines

LED Engines are typically smaller than COBs, and are designed for applications where a concentrated light source is required. Engines may be added to larger fixtures, such as downlight systems, in order to create a single, powerful light source for a certain space. Engines are typically composed of 1-6 individual LED chips, and have the benefit of being more easily upgradable, as new chips can be inserted into the engine.

Engines are usually used in a variety of commercial and residential lighting applications, including office lighting, retail lighting, and task lighting. Some of the more complex engine designs are used in advanced architectural lighting applications, such as light sculpting and feature lighting.

Modules

Modules are the smallest of LED lighting components, and are designed for use in a wide range of applications. Modules typically consist of a single LED chip or a pair of LED chips, and can be mounted on a variety of surfaces or enclosed in a housing. While modules are typically used in the same manner as COBs and Engines, they are better suited for applications where a low level of illumination is required and the size of the lighting system is minimal.

Modules are most often used for lighting decorative objects, signs, and even furniture. They are also commonly used in emergency lighting, and are sometimes used in automotive applications. However, they are becoming increasingly popular in architectural lighting applications, where a subtle, but effective light source is required.

Working Principle

All three types of LED lighting components operate on the same basic principle. An electric current is passed through a microchip, which contains a number of semiconductor junctions that convert the electric current into a specific frequency of light. Each junction emits a specific shade or hue of light, and can be adjusted for different levels of illumination.

Once the light has been generated, it is dispersed through an LED module, an LED Engine, or a COB light. The light is then reflected off the surface where the LED is mounted, and ultimately dispersed into the space.

Conclusion

In conclusion, LED lighting components such as COBs, Engines, and Modules offer a variety of lighting solutions for a wide range of applications. The three types of LED lighting each offer their own advantages, and are becoming increasingly popular in both commercial and residential applications. As LED technology continues to become more efficient, powerful and cost-effective, LED lighting components will continue to be used more and more in a variety of applications.

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