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LED lighting technology has been around for over three decades, but the recent surge in popularity may be attributed to the advancements and improvements in how the light emitting diodes are used. The development of novel semiconductor chip on board (COB) technology has revolutionized the way high and low-intensity lights are used. COB LEDs, or COB lights, are built with SMD LEDs that are fabricated in multiple patterns and sizes, making them ideal for areas requiring intense lighting such as stadiums, large rooms, and theaters. The COBs come in a range of wattages and brightness, allowing customization for the desired level of illumination and coverage.

The entire package of COB LED lighting components consists of two main parts, the LED engine and the LED module. The LED engine is a fully-assembled unit of LED components designed to work together in order to provide light. The LED engine is usually composed of a driver, an amount of LED chips, an LED light source, a metal core PCB (MCPCB), a dimming unit and other components. The LED module on the other hand, comprises a combination of several LED engines grouped together in one unit, typically to emit a certain type of light. This usually consists of a custom-built assembly housing the LEDs and supporting components, while also providing a means of controlling the light source.

The working principle of COB LED lighting components is based on the characteristic of light emitting diodes (LEDs). When connected to electrical power, the diode releases photons of light at an extremely high rate. The pattern in which these photons are packed can cause the effect of directional lighting or spot lighting. Depending on the application, different shapes, sizes and arrangements of LED diodes can be used to illuminate the desired area or to create a particular effect.

In order to make use of this technology, there are a few different approaches. The most commonly used is the traditional constant-current approach. In this approach, a voltage regulator is used to provide a constant current to the LED light source, which then controls the brightness of the light. Other approaches, including power line management and PWM dimming, are continuously being developed and improved upon. These can be used to reduce the energy consumption of the LED lights while maximizing their intensity.

COB LED lighting is a revolutionary and emerging technology that has the potential to revolutionize the way light is used. With its high luminous efficiency and the ability to customize the light according to the application, it is quickly becoming the preferred choice for many lighting applications. Its working principle is based on the characteristics of LED diodes, and the components that make up a carbon-based LED lighting system are continually being improved, allowing for maximum design flexibility and highest quality lighting performance.

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