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Off-Road Lights Buyer’s Guide: Unlocking the 7 Secrets of LED Light Beads for Ultimate Vehicle Lighting Solutions

Unlocking the 7 Secrets of LED Light Beads for for enhanced visibility and safety during offroading adventures. Find the perfect lighting solution for your offroad vehicle.
off-road lights


Welcome to our Ultimate Guide to LED Light Beads for Off-road Lights. We’re here to take you on an exciting journey into the world of these extraordinary components.

Think of us as your trusted lighting advisors, providing you with valuable insights and insider knowledge. We’ll guide you through everything from the fascinating manufacturing process to the top brands and essential specifications.

By the time we’re done, you’ll have all the technical know-how you need to confidently choose the perfect LED lights for off-road upgrades and modifications.

So, let’s dive right in and uncover the secrets of LED light beads together!


Making LED light beads is a fascinating process, and we’re here to break it down for you. It all starts with the creation of the LED chips themselves, which use special materials called epitaxial wafers with semiconductor properties.

These wafers are carefully grown on LED substrates using a complex technique called MOCVD. Not many manufacturers engage in this intricate process, but some big names such as CREE, OSRAM, NICHIA, Toyoda Gosei, Bridgelux and Seoul Semiconductor have mastered the art.

Once the chips are ready, the next step is to package them to create the LED light beads we see in our lighting products. It’s like giving the chips a cosy home, tailored to their application requirements.

This packaging process involves a number of important steps, such as securely mounting the chip, baking it to ensure stability, soldering wires, dispensing materials and carefully cutting off any excess. Once the beads are sorted and packaged, they’re ready to go!

Now let’s talk about the different factors that affect the performance of LED beads. The material of the LED chip itself plays a crucial role in determining its light output.

The size of the chip also comes into play, as it affects the maximum flux and power the bead can deliver. Pay attention to the soldering wire used in the package, with pure gold being the preferred choice for optimum thermal resistance. The material of the socket, whether it’s aluminium, copper, ceramic or something else, will affect the bead’s ability to dissipate heat.

Finally, the phosphor used in the package is responsible for defining the colour temperature and light stability, especially for non-monochrome LEDs such as white light.

As you can see, there’s a lot that goes into making LED beads. Understanding these intricate details will help you make informed decisions when choosing the perfect lighting solution for your vehicle.


LED beads for automotive and motorcycle lighting are available in a variety of sizes, with luminous flux and power, size, colour temperature and cost being the main considerations for lamp manufacturers when choosing a bead.

3.1. Luminous Flux and Power

Luminous flux and power are closely related parameters when it comes to LED beads. In general, higher power results in higher luminous flux, which translates into higher brightness.

When choosing the ideal off-road light, the focus is on the range and brightness of the working light. The range is determined by the angle of the light emitted by the LED beads and the optics of the light, while the brightness depends on the luminous efficiency of the LED beads and the actual driving power.

Let’s take the OSRAM GW PUSTA1.PM 3737 (3W) as an example. At a forward current of TJ = 85 °C the maximum current (IF max.) is 3000 mA. To optimise the performance and stability of the lamp, it is common to operate it at around 90% of the maximum current, which is 2.7A (3A * 0.90). Referring to Figure 2, we can see that the voltage of the lamp bulb under these conditions is approximately 2.93V. This allows us to calculate the real operating power (PReal) as PReal = 2.93V * 2.7A = 7.911W.

Luminous efficacy is specified as typ. 173 lm/W at 5000 K and 85 °C. By dividing the real power (7.911W) by the luminous efficacy (173 lm/W), we can determine the luminous flux of a single LED bead, which is Φsingle = 7.911 / 173 = 1368.603 Lm. Multiplying this value by the number of beads used in the luminaire gives the total light emitted by the beads (Φtotal = 1368.603 * number of beads).

The optical components in most luminaires have an efficiency of around 90%. Taking this into account, the total luminous flux of the luminaire can be calculated as 90% * 1368.603 * number of beads. This evaluation helps to assess the performance of the luminaire as a whole.

3.2. Package Size

In practical applications, the choice of lamp bead size is influenced by factors such as the size of the heat sink, mounting position, and optical components. The achievable luminous flux for the same size can vary significantly depending on the chip and packaging process used.

For instance, in practice, a single 2835 or 3030 bead typically has a power of less than 1W. On the other hand, beads like the GW PUSTA1.PM 3737 (3W) mentioned earlier can reach up to 9W. Therefore, it is not a matter of using more beads to achieve brighter work light.

When it comes to off-road headlights with high brightness requirements, there is a preference for high-power, high-luminous-efficacy, and small-size LEDs. Common sizes include 33535, 3737, 5050, 1860, 3570, 4570, and so on. These options cater to the demand for compact yet powerful lighting solutions.

3.3. Colour Temperature

An important consideration when choosing off-road lighting is colour temperature, which has a significant effect on visibility and driver comfort in different environments.

In general, a colour temperature of around 5000K provides good visibility in desert, forest and snowy conditions.

However, in foggy, rainy and snowy conditions, the visibility of white light is significantly reduced and a yellow light of around 3000K is required. This colour temperature helps to penetrate fog, rain or snow and improves visibility by reducing glare and reflections. The warm light produced by fog lamps also helps to reduce eye strain during prolonged use.

To meet the lighting needs of different environments, there are several common practices.

a. Using white and yellow (fog) LED light beads to produce 2 separate lamp sizes is the most efficient and cost-effective way to do this, but it increases the pressure on the manufacturer’s inventory.

b. Using white LED light beads with a yellow lampshade to produce the yellow light. This is also the most common approach and the most economical for the manufacturer. The downside is that it sacrifices some brightness, although this is usually still acceptable.

c. Using 2 LED light beads of different colour temperatures in the same luminaire and switching between the different colour temperatures with a switch. However, this solution is not good for the optics of the lamp, especially for luminaires with reflectors (Fig.). This is an option for luminaires with large lenses.

3.4. Voltages

When it comes to car and motorcycle off-road lamps, compatibility with different voltage systems is crucial. Most lamps use a step-down structure in the driver circuit to match the 12V/24V/48V systems commonly found in vehicles.

In this configuration, the voltage of the LED light beads must be lower than the vehicle battery voltage to ensure proper operation. It is also important to achieve higher efficiency, which can be achieved by keeping the LED light beads’ voltage close to the battery voltage.

Typically, a single LED chip operates at around 3V. To match a vehicle’s 12V battery system and optimise efficiency, it is common practice to connect three LED light beads in series, resulting in an operating voltage of 9V. This arrangement remains compatible with 24V systems and even low-power applications using 100V systems.

However, it’s important to note that in medium to high-power applications, this approach can lead to significant heat dissipation problems and reduced lamp efficiency.

3.5. Cost

Cost considerations play a significant role in selecting LED beads for automotive and motorcycle lighting. The prices of LED beads can vary greatly among different brands, making it essential to find a balance between cost and quality.

Choosing the most cost-effective bead can be a daunting task. It is common for influential branded beads to come with high-quality heat sinks, which can impact the overall cost. Additionally, manufacturers often opt for different brands of LED beads based on the customer’s price requirements.

The key differentiating factors among various bead brands lie in their efficiency and long-term stability. These aspects are crucial to ensure optimal performance and reliability over time. Selecting LED light beads that offer both efficiency and stability is vital in achieving a successful lighting solution for vehicles.


When it comes to auxiliary lighting in cars and motorcycles, there are several commonly used LED beads types that serve specific purposes.?

4.1. OSRAM

OSLON Black Flat LED beads

OSLON Black Flat LED light beads are highly versatile and well-suited for various automotive lightings applications such as headlights, daytime running lights, and fog lights. These LEDs offer exceptional brightness, efficiency, and temperature stability, ensuring optimal performance in demanding conditions.

One notable advantage of OSLON Black Flat LED light beads is their compact and flat design, which allows for seamless integration into different lighting fixtures. This design feature makes them particularly convenient to incorporate into vehicles without compromising on aesthetics or functionality.


The LED beads in the OSLON Black Flat range come in five different sizes, each containing 1 to 5 LED chips connected in series. This series connection configuration offers improved consistency and closer coordination among the LEDs compared to parallel connections. As a result, the LED chips work in unison, providing consistent and uniform illumination.

The circuit structure of these LED light beads enables individual control of each LED chip. This feature allows for more creative possibilities and the creation of unique lighting effects. With individual control over each chip, you can customize the lighting patterns, colours, and sequences, adding a touch of personalization to your auxiliary lighting setup.

Additionally, OSLON Black Flat LED light beads are available in a wide range of colour temperatures, giving you flexibility in achieving your desired lighting ambience. Whether you prefer a cool white light for enhanced visibility or a warmer tone for a more inviting atmosphere, these LED light beads offer options to suit your preferences.

In summary, OSLON Black Flat LED light beads to combine high brightness, efficiency, temperature stability, and a compact design to deliver exceptional performance in automotive lighting. With the ability to control individual LED chips and a variety of colour temperature choices, these LED light beads provide both functional and aesthetic benefits for your vehicle’s auxiliary lighting needs.

OSRAM OSCONIQ® P 3737 High Power LEDs

The OSRAM OSCONIQ® P 3737 High Power LEDs are specifically designed to offer exceptional performance, robustness, and longevity, making them an excellent choice for various auxiliary lighting applications. These LEDs are particularly well-suited for running lights and strips used in front lighting setups.

One of the key highlights of the OSCONIQ® P 3737 High Power LEDs is their high performance. They provide a significant amount of luminous flux, ensuring bright and well-defined illumination. Whether you need enhanced visibility for safety purposes or want to achieve a stylish lighting effect, these LEDs deliver outstanding brightness to meet your requirements.

In addition to their impressive performance, the OSCONIQ® P 3737 High Power LEDs exhibit excellent robustness. They are built to withstand challenging environmental conditions, such as vibrations and temperature variations, commonly encountered in automotive applications. This robustness ensures reliable operation and durability, making them suitable for demanding auxiliary lighting setups.

Moreover, these LEDs offer an extended lifespan, which is crucial for automotive lighting solutions. With their long operational life, you can enjoy consistent and reliable performance over an extended period, reducing the need for frequent replacements and maintenance.

The OSCONIQ® P 3737 High Power LEDs are specifically tailored for auxiliary lighting applications, allowing you to enhance the visual appeal and functionality of your vehicle. Whether you’re looking to accentuate certain areas with running lights or create stylish light strips for front lighting, these LEDs provide the necessary brightness and versatility.

In summary, the OSRAM OSCONIQ® P 3737 High Power LEDs combine high performance, excellent robustness, and a long lifespan, making them an ideal choice for auxiliary lighting in cars and motorcycles. Their versatility and reliability ensure they are well-suited for applications such as running lights and front light strips. With these LEDs, you can achieve the desired visual impact and functional enhancement for your vehicle’s auxiliary lighting needs.

4.2. CREE

The XLamp LED range is a versatile selection of LEDs known for their high efficiency, long lifespan, and compact design. These qualities make them an excellent choice for a variety of applications, including headlights, fog lights, and auxiliary lighting.

One of the standout options within the XLamp range is the XM Series high-power LEDs. These LEDs are specifically designed to deliver extremely high output, making them ideal for high-intensity lighting applications like high beams and work lights. With their exceptional brightness, they provide enhanced visibility and illumination, ensuring you have ample light in demanding situations.

XLamp® XP-G2 LEDsXLamp® XP-G3 LEDsXLamp® XM-L2 LEDsXLamp® XM-L3 LEDs E

In addition to their impressive performance, the XM Series LEDs offer excellent thermal management. This feature allows them to effectively dissipate heat, ensuring stable and reliable operation even under demanding conditions. Their ability to handle high temperatures contributes to their long lifespan, providing you with durable and long-lasting lighting solutions.

The XLamp LED range also offers a wide range of options in terms of colour temperatures and brightness levels. This versatility allows you to choose the specific LED that best suits your desired lighting effect and application requirements. Whether you need a warm or cool colour temperature or a specific level of brightness, the XLamp range provides options to meet your preferences.

Furthermore, the compact design of the XLamp LEDs makes them easy to integrate into various lighting setups. Their small size allows for flexibility in the placement, ensuring efficient use of space while delivering the desired lighting performance.

4.3. Lumileds

The LUXEON HL2X LEDs are specifically designed for forward lighting applications, providing high brightness and uniform light distribution. They are an excellent choice for headlamps, daytime running lights, and fog lamps, where reliable and efficient lighting is essential.


When it comes to the luminous flux of these LEDs, it’s important to consider the impact of different colour temperatures and grading levels. The luminous flux can vary depending on the colour temperature, with a noticeable decrease as the light starts to approach the yellow spectrum. Lower colour temperatures tend to result in a decrease in luminous flux.

Additionally, within the HL2X series, different grading levels can also influence the luminous flux. The grading of LED light beads allows for variations in luminous efficiency among products of the same size. This means that even within the same series, different part numbers of LED light beads may exhibit significant variations in luminous flux.

CCT (@L1HX-65702D)Φ(@700mA)
LED light beads

It’s crucial to take these factors into account when selecting LED beads. The choice of colour temperature and grading level should align with the specific requirements and preferences of the lighting application. Higher colour temperatures may provide brighter light output, while lower colour temperatures may offer a different aesthetic appeal.

Ultimately, by comparing the luminous flux across different colour temperatures and grading levels within the HL2X series, one can make an informed decision based on their desired level of brightness, colour temperature preference, and overall lighting needs.

4.4 Other Brand

Multi-chip LED light beads have gained significant popularity in the automotive lighting industry due to their ability to deliver higher power and lumen output. These LEDs feature multiple LED chips mounted on a thermally conductive ceramic substrate, allowing for enhanced thermal management and increased performance.

These multi-chip LEDs are particularly favoured for automotive headlights and spotlights, as they offer a combination of high power, compact size, and cost-effectiveness. They provide a brighter and more focused beam of light, contributing to improved visibility and safety on the road.

5. Conclusion

The future of using LED beads in automotive and motorbike lighting is promising and filled with exciting possibilities. LED light beads have already made a significant impact by revolutionizing the lighting industry, and their influence will only continue to grow.

One of the key advantages of LED light beads is their longevity. Compared to traditional halogen and HID lights, LED beads have a significantly longer lifespan, reducing the need for frequent bulb replacements and maintenance. This not only saves costs but also contributes to a more sustainable and environmentally friendly lighting solution.

Energy efficiency is another remarkable feature of LED light beads. They consume less power while delivering the same or even higher brightness levels compared to traditional lighting options. This translates to lower energy consumption and reduced strain on the vehicle’s electrical system, allowing for more efficient use of power resources.

LED light beads also excel in colour accuracy, providing more precise and vibrant lighting. This is particularly valuable for automotive and motorbike lighting, as it enhances visibility and safety on the road. With LED light beads, drivers can experience improved clarity and better distinguish objects and obstacles in different driving conditions.

Furthermore, LED light beads offer design flexibility. Manufacturers can create adaptive headlights that can adjust their beam patterns and intensity based on various factors like road conditions, speed, and weather. This adaptability ensures optimal lighting performance at all times, enhancing driver visibility and overall safety.

In addition to functional lighting, LED beads also enable the integration of customizable coloured decorative lights. This allows car and motorbike enthusiasts to personalize their vehicles, adding a unique and stylish touch. Whether it’s accent lighting, interior illumination, or exterior light effects, LED beads provide endless possibilities for creative expression and personalization.

Looking ahead, the future of LED light beads in automotive and motorbike lighting will continue to evolve. Advancements in technology will lead to even greater energy efficiency, improved durability, and enhanced lighting capabilities. With ongoing research and development, we can expect to see more innovative applications of LED beads in the automotive industry, further enhancing safety, aesthetics, and overall driving experiences.

As LED technology continues to advance, it will undoubtedly play a crucial role in shaping the future of automotive and motorbike lighting, providing sustainable, efficient, and visually captivating lighting solutions.

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