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What is a COD LED Strip Light? – All you Need to Know 

COB LED Strip Light

What is COB? 

COB, or Chip on Board, is a pivotal term within the LED landscape, particularly when it comes to the world of LED strip lights. This technology represents a direct evolution in LED construction by embedding the LED chip directly onto the circuit board (PCB), a process sometimes colloquially known as a "flip-chip." The concept of flip-chip LEDs takes a streamlined approach to LED composition. Unlike the traditional Surface Mount Device (SMD) LEDs, which involve packaging the LED chip within a bead holder and a phosphor coating, the COB LED strip dispenses with extraneous elements, retaining only the LED chip, the yellow phosphor cover layer, and the connection pads. This architectural minimalism enhances the efficiency and illumination capabilities of COB LED strip lights.

By focusing on a leaner design, COB LED strips offer advanced luminosity and performance benefits. This technology's direct chip-on-board construction optimizes light output and thermal management, leading to superior brightness and durability. 

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What is COB LED Strip lights? 

COB LED strip lights, also known as COB LED tape lights, are a revolutionary form of illumination where LED chips are directly affixed to a Flexible Printed Circuit Board (FPCB). This setup results in a seamless and dotless light strip, often referred to as a continuous or dotless LED strip light. The distinctive "COB" in COB LED strip stands for Chip On Board, signifying that multiple LED chips are integrated onto the strip. These LEDs are typically grouped together and coated with yellow phosphor, offering a uniform glow without the visible divisions seen in traditional light sources.

Key Features of COB LED Strip Lights

A COB LED strip shares similarities with conventional LED strips but boasts a pivotal distinction – it comprises multiple smaller LED chips. These chips, assembled closely, are embedded onto the circuit board itself. A layer of phosphor gel covers these closely aligned diodes, resulting in a continuous and seamless luminous effect. This innovative design also lends itself to tunable CCT and RGB color technologies, allowing users to effortlessly modify the color temperature and RGB color of their lighting through remotes or apps. Another advantage of COB LED strips is their remarkable flexibility; the compact diodes and close placement enable them to bend and conform to diverse shapes and spaces, accommodating tight corners and curvatures.

COB Continuous LED Tape: Ideal for Professional Installations

COB stands for Chip on Board, indicating that the LED diodes are directly integrated into the printed circuit board. One of the most notable benefits of this technology is its ability to eliminate visible spotting, even when utilized in shallower LED profiles and compact spaces. This quality ensures a seamless and uninterrupted finish in the final installation. Hence, COB Continuous LED Tape finds its perfect application in high-end professional and commercial settings. The exceptional build quality and premium components guarantee enduring performance and reliability.

In summary, COB LED strip lights represent a cutting-edge evolution in lighting technology. By combining LED chips directly onto the circuit board, these strips offer a seamless, continuous illumination with adjustable color options. Their flexibility and absence of visible seams make them a preferred choice for high-end installations, ensuring a polished and uninterrupted lighting experience.


When it comes to choosing the ideal LED strip for your lighting needs, understanding the difference between COB (Chip on Board) and SMD (Surface Mounted Device) LED strips is crucial. Picture this: COB LED strips boasting a generous 180-degree beam angle, whereas their SMD counterparts provide a 120-degree spread. But that's just the tip of the luminescent iceberg. COB LED strips stand out with their exceptional flexibility and uniform light emission, creating a seamless glow without any discernible dots. Unlike SMD strips, COB strips skip the gold wire, making them not only sleek but technically advanced.

Intriguing, right? Here's where the illumination narrative deepens. The essence of these LED strips lies in the arrangement of their chips. SMD strips, with chips spaced across the circuit board, exhibit a lower light density, offering a diffuse radiance. On the flip side, COB strip lights flaunt a remarkably higher light density, illuminating spaces with intensity. Imagine the possibilities of transforming your space with such precision! And if you're seeking more insights into the world of flexible LED strip lights, our comprehensive guide awaits you.

In your quest for contemporary, efficient lighting solutions, COB LED strips gleam as a front-runner. As you explore the sea of options—be it RGB COB LED strips, 12V COB LED strips, or versatile COB LED light strips—the undeniable allure of uniform, brilliant illumination awaits. Within this spectrum, you'll uncover COB LED strip lights, each radiating their unique charm while maintaining that seamless allure. The integration of COB technology eliminates the need for gold wire, marking a leap forward in engineering sophistication.

In conclusion, as the path of innovation guides us toward enhanced lighting experiences, COB and SMD LED strips emerge as the protagonists. The profound distinction in light density and arrangement sets the two apart, giving you a spectrum of choice. COB LED strips, the epitome of modern illumination, offer a playground for creative expression and functional brilliance. Whether you're envisioning a captivating living space or a captivating commercial setting, the choice is brilliantly clear—COB LED strips redefine light itself. Embark on this luminous journey, explore our extensive range of LED strip profiles, linear pendant lights, and other avant-garde lighting solutions, and transform your world with radiance.

What Makes COB LED Different to LED Tape?

COB LEDs are directly integrated into the circuit board, accompanied by a diffuser strip that ensures a seamless radiance. This integrated placement not only facilitates a sleek illumination but also accommodates a higher LED density. A glance at our COB LED tapes reveals an impressive 544 LEDs per meter, outshining the standard LED tape's SMD (Surface Mounted Diode) technology with a maximum of around 240 LEDs per meter. This discrepancy becomes pronounced when installing LED tape in transparent diffusers within LED channels, where the SMD version's chip spacing can lead to spotting and shadows. For an updated, thorough understanding, this comparison provides valuable insights into the realms of cob LED strip lights and their traditional counterparts.

Do COB LEDs get hot? 

COB LED strip lights, like all strip lights, are engineered to mitigate heat buildup, ensuring their longevity and performance. Each COB (Chip-on-Board) LED unit is integrated onto a circuit board that doubles as a heat sink, efficiently channeling heat away from the LEDs and dispersing it across the strip's surface. This innovative design renders COB light strips safe for environments sensitive to temperature fluctuations. To optimize heat dissipation, higher-power COB LED strips may benefit from the addition of supplementary cooling, such as aluminum channels acting as heatsinks. If you're seeking tailor-made solutions, explore our range of Lighting accessories – encompassing channels and lenses – to seamlessly adapt your COB LED strip lights to diverse settings. With a commitment to providing top-tier LED strip light accessories, we offer a comprehensive selection for your bespoke needs.

How is COB LED strip lights manufactured? 

Cob LED strip lights, also known as Chip-on-Board LED strip lights, are meticulously manufactured through a series of advanced processes to ensure their quality and performance. The production journey begins with the expansion of LED chips, followed by the precise die bonding process to affix these chips onto the Flexible Printed Circuit Board (FPCB). To regulate the electrical flow, resistors are skillfully added to the FPCB. The assembly then undergoes a high-temperature reflow process, where temperatures exceeding 65 degrees Celsius solidify the arrangement of chips and resistors on the PCB. The next step involves the integration of fluorescent powder glue, a critical component for light emission. An automated glue machine carefully dispenses the mixture onto the chip and resistor surfaces. After this, the glued COB LED strip enters an oven for curing. To ensure quality, rigorous quality checks are conducted post-cooling. Subsequently, the PCB is soldered into reels of up to 5 meters or tailored to customer preferences. Thorough testing, including an aging test and final QC assessment, takes place before the strips are meticulously packaged and readied for shipping. This intricate process guarantees the production of high-quality COB LED strip lights that find application in various lighting solutions. With their advanced technology and careful craftsmanship, these COB LED strip lights provide optimal illumination while ensuring energy efficiency and durability.

Advantages and disadvantages of COB LED strips

COB LED strip lights, also known as Chip-On-Board LED strip lights, offer a range of benefits and drawbacks that make them an intriguing choice for various lighting applications. When considering the use of COB LED strips, it's important to weigh their advantages against their disadvantages.


COB LED strips excel in scenarios where even, seamless illumination is paramount. Unlike traditional LED strips that exhibit noticeable lighting dots along the length, COB strips eliminate this issue entirely. This absence of distinct lighting dots is especially beneficial for spaces where a smooth and uniform lighting effect is desired.

The construction of COB LED strips enables them to emit a soft and consistent light across surfaces. The compact arrangement of the larger diodes ensures that light spreads evenly over a distance. This is particularly valuable when avoiding hot spots in areas where the strip might be in close proximity to surfaces or visible. COB strips maintain a seamless glow from end to end, creating an appealing and consistent light output.

In situations where the LED strip itself cannot be concealed from view, COB strips offer a compelling advantage. Their ability to deliver an uninterrupted light surface makes them suitable for applications within 2 feet of the light source or in the presence of reflective surfaces like glass or granite. Moreover, COB LED strips are an ideal choice for achieving striking neon-like effects, enhancing visual appeal.


While COB LED strips offer remarkable benefits, they come with certain trade-offs. The notable drawback of COB strips is their relatively higher cost compared to traditional LED strips. This is attributed to the inclusion of more chips per meter in COB strips, which contributes to the enhanced uniformity of light. The decision to opt for COB LED strips depends on whether the desired lighting effect and uniformity justify the higher investment.

In conclusion, COB LED strip lights provide a seamless and consistent illumination solution, addressing the common issue of lighting dots observed in conventional LED strips. They are ideal for scenarios where uniformity and smoothness of light are critical, such as in applications where the strip itself cannot be concealed or in the presence of reflective surfaces. However, their higher cost should be taken into account when considering their implementation. Overall, COB LED strips offer a distinct advantage in achieving aesthetically pleasing and visually appealing lighting effects in various settings.

What are COB LED Strips use for? 

Perfectly erasing hotspots with their uniform illumination, COB LED strips are your go-to solution for scenarios where concealment is impossible and individual chips must remain unseen. These strips are particularly well-suited for placements near reflective surfaces, flawlessly eliminating any hotspots from reflections. Say goodbye to distracting glare and hello to seamless radiance. COB strips find their footing in various applications such as under-cabinet lighting, adding a touch of glamour to jewelry and display cases, and even creating a stunning toe kick illumination. Don't let those pesky hotspots steal the spotlight - harness the power of COB LED strips for a consistent, glare-free glow. Whether it's transforming your under-cabinet ambiance or showcasing prized possessions, these lights stand ready to elevate your lighting game.

LED strip with or without COB, Which one should I choose? 

When choosing between a LED strip with or without COB, your decision hinges on the desired aesthetic outcome. COB LED strips offer a seamless, enveloping effect that eliminates visible points of light, making them an excellent choice for working with reflective surfaces. However, irrespective of your choice, it's crucial to assess the material's quality. There exists a wide array of LED strips, so opting for a subpar version might lead to breakage when bending it to fit the desired space. To ensure a lasting and effective lighting solution, prioritize durability and robustness in your selection. Whether you're considering RGB COB LED strips, 12V COB LED strips, or COB LED light strips, the primary concern remains consistent—picking the option that aligns with your design goals while prioritizing quality. 

How can I know if the COB LED Strips are good or not? 

Assessing the quality of COB LED strips requires a keen eye on key factors. To gauge their reliability, focus on three vital aspects. Firstly, examine the strip's thickness; a minimum of two, preferably three layers is recommended. This design not only ensures enhanced copper content but also mitigates overheating risks. Secondly, inspect the tape used for securing the strip. Opt for reputable brands known for their durable, impact-resistant tape, safeguarding against breakage. Lastly, evaluate the chip quality, ensuring they're well-encapsulated. To ensure optimal performance, consider these factors in your evaluation. For those seeking COB LED strip lights, LED cob strips, or COB LED strip products, these pointers will help you make informed decisions. The key to successful evaluation lies in comprehending the essentials: strip thickness, tape quality, and chip condition

How much power does a COB LED strip consume? 

Understanding the power consumption of a COB LED strip is crucial when delving into the realm of LED lighting. a straightforward path to enlightenment emerges. The power consumption of a COB LED strip is intricately tied to its power rating, and the COB nature of the strip itself bears no direct influence on this energy usage. In essence, the COB configuration primarily affects the strip's illumination quality and efficiency, rather than its power draw. Thus, when evaluating the power consumption of a COB LED strip, it's pivotal to focus on its rated power, recognizing that its COB design per se doesn't significantly impact energy consumption.

The features of COB Flex Strips

As you delve into the specifics of these cutting-edge strips, you'll uncover a world of possibilities for your lighting needs. Just like traditional LED strips, COB strips offer the convenience of cut-and-connect functionality. With clearly marked cut points every 50mm (24) or 25mm (12V), you can effortlessly tailor the strip's size to your application. While soldering is the preferred connection method, you can also explore our COB strip connectors for an alternative.

Embrace the adaptability of dimmable COB LED strips, which can be used with DALI, triac, PWM, or 0-10V dimming power supplies. Choose from an array of color options, including warm and cool white variants ranging from 2700K to 6000K, as well as an assortment of vibrant colors such as red, green, blue, and more. The possibilities extend to tunable white, RGB, and RGBW variations, offering you unparalleled creative control.

Dive into voltage options that cater to your specific requirements, with 5V, 12V, 24V, and 48V COB LED strip lights available. Moreover, find the perfect length match with choices ranging from 5m to 100m COB LED strip lengths. Whether you're illuminating a small corner or a grand space, these strips have you covered.

In summary, COB LED strips merge cutting-edge technology with adaptability, enabling you to tailor your lighting solutions to your precise needs. Elevate your lighting setup with these advanced strips that promise not only versatility but also energy efficiency and stunning visual appeal. Explore the potential of COB LED strip lights to redefine your lighting experience.


How to use COB LED Strips to customize different Applications? 

Utilizing COB LED strip lights for tailored applications is a breeze. These versatile lights can be effortlessly shortened to desired lengths at marked cutting points, and even extended by linking segments using either soldering or convenient solderless connectors. For extended strip installations, consider opting for our 24V strips or incorporating additional power supplies. Our comprehensive LED light kits provide all essential components for crafting your custom COB light setup. Whether it's enhancing architectural aesthetics, illuminating furniture and wine cabinets, revitalizing hotel spaces, infusing energy into KTV bars, elevating parking areas, captivating shopping malls, or augmenting TV displays, COB LED strips cater to various settings with finesse.


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How to install the COB LED Strip Lights? 

Installing COB LED strip lights is a delicate process due to their intricate chip configuration. To ensure proper handling and installation, it's advisable to engage a qualified professional experienced in working with COB LED technology. However, if you're inclined to take on the installation yourself, follow these step-by-step instructions for a successful setup.

  1. Prepare the Surface: Begin by cleaning the surface where you intend to install the COB LED strip light. This ensures a secure adhesion and optimal lighting performance.

  2. Customize Length: Measure and cut the COB LED strip light to the desired length. Accurate measurements will help achieve the perfect fit for your installation area.

  3. Remove 3M Backing: Carefully peel off the backing from the 3M adhesive on the COB LED strip light. This sticky layer will facilitate secure attachment.

  4. Secure Placement: Gently adhere the COB strip light to the intended location. Smooth out the strip to avoid air bubbles and ensure uniform adhesion.

  5. Connect Power Supply: Make the electrical connection by attaching the power supply to the COB LED strip light. Double-check the polarity to ensure proper functioning.

  6. Optional Attachment Methods: For added security, you have the option to solder the connections or employ a COB LED strip connector.

COB LED strip lights require precision handling due to their complex design, making professional installation a recommended choice. Should you decide to undertake the installation yourself, these steps will guide you through the process. For a comprehensive range of COB LED strips and related lighting solutions such as RGB COB LED strips, 12V COB LED strips, and more, explore our offerings. Our commitment to quality ensures your lighting setup meets both your aesthetic and functional needs.

What is the lifetime of COB LED strips?

The longevity of COB LED strips is influenced by the strip's quality, but LED lights, in general, boast extended lifespans. Our COB strips, for instance, shine brightly for over 40,000 hours—after this span, they maintain an impressive 80% of their initial brightness. These LED cob strips exhibit remarkable endurance, making them a reliable lighting choice. Notably, COB LED strip lights offer advantages such as energy efficiency and reduced maintenance needs. When you opt for our strips, you're investing in long-lasting illumination that stands the test of time.


A COB LED strip and an SMD LED strip differ in chip arrangement and light intensity. In an SMD strip, chips are spaced on the circuit board. COB has chips closer for higher brightness. COB is brighter than SMD.

COB LEDs and regular SMD LEDs both have their advantages based on the lighting needs. COB LEDs are great for spreading light evenly over large areas, while SMD LEDs are better for focused tasks. Both types are efficient, durable, and long-lasting. COB for wide light, SMD for tasks.

LED stands for Light Emitting Diode, and it’s a type of light source. There are two main types of LED lights: LED panels and COB lights. Let’s understand the difference between them.

An LED panel is like a collection of small lights all together. It’s made using SMD LEDs, which are small lights that are mounted on a surface. These panels have fewer small lights, called diodes, and the way they’re connected is a bit complicated.

On the other hand, COB stands for Chip On Board. In a COB light, there are more diodes, but they’re arranged in a simpler way. The circuit design is less complex, which makes the light more compact. COB lights are brighter because of the many diodes packed closely.

So, to put it simply, LED panels have fewer but more complexly connected diodes, while COB lights have more diodes arranged in a simpler pattern. This makes COB lights brighter and more compact.

The main drawback of COB (Chip on Board) LED lights is their inability to create color-changing effects, unlike SMD (Surface Mounted Device) LED lights. This limitation arises from COB lights having only two contacts and a single circuit. This means that they cannot produce a wide range of colors or dynamic color changes like SMD LEDs can. If you’re looking for versatile lighting with color variation, COB lights might not be the best choice.


  1. Compact Design: COB LEDs have smaller LED beads packed closely together, leading to a more compact design. This helps in creating brighter and more efficient lighting solutions.

  2. Enhanced Protection: These LEDs offer improved protection against moisture, dust, and physical damage due to their sealed construction.

  3. Longevity: COB LEDs tend to have a longer service life compared to traditional LEDs, resulting in reduced replacement and maintenance costs.

  4. Low Dead Light Rate: They have a lower dead light rate, which means fewer individual LEDs within the array fail, maintaining consistent brightness over time.


  1. Manufacturing Complexity: The manufacturing process of COB LEDs can be more complex, involving intricate assembly techniques. This complexity might lead to higher production costs.

  2. Maintenance Challenges: If an individual LED within the COB array fails, it can be challenging to replace just that one LED. This could necessitate the replacement of the entire COB unit, increasing maintenance efforts.

In summary, COB LEDs offer benefits such as compactness, durability, and energy efficiency. However, their manufacturing intricacy and potential maintenance difficulties are important aspects to consider when choosing lighting solutions.


About Gilbert

Our email: [email protected] Dear readers of Kosoom.uk! I am delighted to introduce myself as Gilbert, your dedicated source of enlightenment when it comes to LED lights. If you have questions about any LED lights, please feel free to contact us to our email: [email protected] We will give you a satisfactory answer as soon as possible. Hailing from the heart of England, I bring to you a wealth of professional expertise and a passion for all things LED. As an Englishman with a fervent interest in illumination technology, I have made it my mission to illuminate the path to understanding LED lights, tailored especially for the inquisitive minds of Britain. With a background steeped in the intricacies of LED technology, I stand ready to shed light on every facet of this brilliant innovation. Through my articles, I intend to guide you through the captivating world of LED lights, providing you with insights that not only unravel the science behind these luminous marvels but also highlight their practical applications and benefits in the UK context. In collaboration with Kosoom, I embark on this journey to demystify LED lights for you. Whether you're curious about the evolution of LED technology, eager to decipher the nuances of LED color temperatures, or seeking advice on optimizing lighting choices for your home, workplace, or public spaces, I am your trusted companion. My articles will offer you clear, concise, and expertly-crafted explanations that bridge the gap between complex technical jargon and approachable, relatable understanding. Stay tuned for a series of articles that will not only elevate your understanding but also brighten up your perspectives on the art and science of lighting.

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