Are COB LED lights better?
Comparing COB and SMD LED Work Lights - Unilite
COB (Chip On Board) LED and SMD (Surface Mounted Device) LED technologies have gained immense popularity in LED lighting applications, particularly in Unilite work lights. Both offer impressive benefits, such as energy efficiency, longevity, and durability. However, discerning their differences is essential when assessing the Unilite range. Both LED technologies are utilized in our collection of flashlights, inspection lights, lanterns, site lights, and headlamps.
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One notable distinction between COB and SMD LEDs lies in their physical structure and output. COB LEDs boast a larger size, incorporating multiple LED chips mounted directly onto a substrate. This arrangement enables a denser light emission and more efficient spatial usage. On the other hand, SMD LEDs are smaller, featuring a solitary LED chip affixed to a printed circuit board (PCB). While this design offers flexibility in placement, it results in lower light density. Our popular IL-925R Folding Inspection Light exemplifies this, combining COB LEDs for its main lights and an SMD LED for the top torch—ideal for plumbers, electricians, and carpenters alike.
Another critical contrast is in the beam angle and light output of the two types. COB LEDs typically provide a broader beam angle, ensuring a more uniform and diffuse light distribution over expansive areas. This feature makes them particularly suitable for environments requiring extensive illumination, such as workshops, job sites, or garages. Our latest RF- and RF- Flood Lights effectively leverage COB LED technology for this purpose, making them excellent choices for tradespeople seeking reliable site lighting. Conversely, SMD LEDs, with their narrower beam angles, direct light more effectively, making them apt for task lighting or spotlighting. A prime illustration is the PL-3 Aluminum Inspection Light, often utilized by emergency technicians, mechanics, and service professionals.
When it comes to energy efficiency, both COB and SMD LEDs rank significantly higher than conventional lighting technologies. However, COB LEDs exhibit slightly higher efficiency due to their densified light output and minimal components, contributing to an extended operational lifespan. For instance, our SLR-Compact Work Light utilizes a powerful white COB LED, reflecting this capability.
Durability is yet another aspect to keep in mind when selecting a work light. Both COB and SMD technologies are recognized for their robustness and long-lasting performance. However, COB LEDs generally exhibit superior durability due to their larger dimensions and reduced number of components, rendering them less susceptible to malfunction. We take pride in asserting that all our work lights are rigorously tested for toughness before going to market.
In conclusion, both COB and SMD LEDs serve as excellent options for work lights. Our engineering teams meticulously evaluate which LED type suits each light, ensuring optimal performance. If a wide, evenly distributed light is what you need, COB technology could be more beneficial, while choosing SMD may be preferable for tasks requiring concentrated lighting. Both technologies deliver efficiency, durability, and a long lifespan—qualities we prioritize at Unilite.
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SMD VS COB LED: What Are Their Differences
LED lights are available in various forms, with COB and SMD types gaining significant traction. Therefore, it begs the question: SMD VS COB LED, what differentiates the two?
Key Differences in SMD and COB LED Components
SMD LED Construction
SMD LED, short for Surface Mounted Device LED, is the most prevalent LED type in the market. This versatile electronic component is permanently bonded to a printed circuit board and is widely used in light bulbs and string lights, as well as device notifications.
COB LED Construction
COB LED technology represents a contemporary innovation in lighting, allowing for more efficient energy usage. COB features multiple diodes on a common surface area similar to SMD; however, it accommodates a greater number of diodes, typically nine or more, all functioning on a single circuit, resulting in a panel-like appearance.
Additional Differences in Characteristics
1. Brightness
Brightness differentiates SMD and COB LED types significantly. Brightness is primarily dictated by chip lumen output – generally, COB LEDs feature a minimum of 80 lumens per watt, whereas SMDs offer between 50 to 100 lumens per watt. Hence, COB lights tend to be brighter.
2. Energy Efficiency
Both COB and SMD LEDs rank high in energy efficiency. Compared to filament bulbs, their efficiency contributes to their growing popularity as the preferred light source. Although both types exhibit exceptional energy effectiveness, it's crucial to note that this can differ based on lumen output—higher lumens correlate with enhanced efficiency.
3. Color Temperature
SMD technology offers broader adaptability regarding color options and temperature modulation. Achieving diverse colors involves incorporating primary diodes like red, green, and blue within the chip. COB lights, while they excel in producing stable illumination, have more restrictions in color temperature alteration since they emit a singular color.
4. Quality of Light
The quality of light produced varies between SMD and COB. SMD lights can produce glare as they function primarily as point light sources. Meanwhile, COB lights, with their wide-angle beam, emit uniform and glare-free illumination, making them suitable for diverse settings.
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5. Cost
Price disparity is notable between devices built with these technologies, largely hinging on production expenses. In comparison, SMD production generally incurs higher costs, mainly due to labor and manufacturing complexities. Typically, SMD constitutes about 15% of the overall material expenses, whereas COB contributes around 10% due to lower labor and production costs, resulting in a roughly 5% savings when opting for COB LED.
When to Use: The Distinction Determines
LED lights are integral to daily use, especially in fields like photography and architectural lighting. In assessing SMD and COB LEDs, which option best fits your needs?
Photography
COB bulbs are frequently employed in LED video lighting for photography due to their luminous uniformity and wide beam angle, preferred by professionals for their seamless coverage. For instance, the COLBOR CL100, a 100W COB LED light, delivers stable output across bi-color temperatures, enabling efficient settings adjustments. Lightweight and easy to handle, the CL100 ensures objects appear in their true colors.
Architecture
In architectural settings, COB LED chips cater to complex applications requiring favorable beam angles and attractive fixtures. Conversely, SMD LEDs find use in more general lighting setups like diffused panel lights topped with a frosted diffuser.
Conclusion
The contrasts between SMD and COB LEDs touch upon aspects like brightness, color temperature, and manufacturing costs. Understanding these differences can significantly inform your lighting choices, ensuring optimal outcomes for various applications.
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