LEDs come if various shapes, sizes and designs. Over the years, advancements in LED technology have ushered in new designs, resulting in wider lighting applications. Types of LEDs that are available today include Dual In-line Package (DIP LEDs), Surface Mounted Device (SMD), Chip on Board (COB) and Multiple Chips on Board (MCOB).
Most people’s experiences with LEDs are with lights that incorporate DIP diodes. These are capsule-like diodes that can be found in mainstream electronics, typically serving as indicator status lights. Colors to light beams are applied by changing the color of the diode, which serves as the lens and protective cover. For robust illumination, it is possible for some LED lamps to utilize more than one DIP diode. This practice is common in LED flashlights and other types of portable fixtures.
For high bay LED lights, DIP LEDs are rarely used due to inefficiencies and lack of focus. Because the lamps are installed at heights between 8 and 25 feet, a more powerful LED design is required. If DIP LEDs are to be applied to high bay lighting systems, the lamp would heavily rely on reflectors (and other lighting components) for proper beam placement.
MCOB LEDs are recommended for cutting-edge illumination in industrial sites. These chips are made up of several COBs within cups that are installed on the board. With MCOB LEDs, lumen and CRI ratings (in some cases, as high as 90+ CRI) are on the upper end of the scale. Furthermore, operators are provided with more control and choices over color temperature.
Modern high bay LED lights are likely to adopt MCOB or COB LEDs, due to the type of beam angles the chips are capable of supporting. This type of LED can be found in PAR, BR and MR bulbs, as well as tunnel lighting systems; suggesting that the technology is flexible in creating flood (wide) and spot (tightly focused) beam angles.
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