COB LED Video Wall
Your Professional COB LED Video Wall Manufacturer!
Experienced Company:Shenzhen JIulong Optoelectronics Co., Ltd. was founded in 2012. We are a high-tech enterprise integrating the development, production, sales, and engineering services of LED displays. Our main products include small space LED and LED Screens for rent.
High Quality:Jiulong Optoelectronics LED display screen has reliable quality and realistic images and has won customers at home and abroad. Our products are exported to more than 160 countries and regions in America, Europe, Asia, and Australia, with successful cases all over the world.
Various Certification:Our products have obtained 3C, CE, CB, IEC, TUV, FCC, RoHS, and other international safety regulations and hundreds of certificates.
Advanced Equipment & Professional Team:We have leading automated production equipment, professional management, R&D, production, and a complete sales and team of service. It provides favorable guarantees of product quality, scale, standardized production, and fast delivery.
What Is A COB LED Video Wall?
A COB LED video wall features multiple LED chips mounted directly onto a single substrate. This arrangement creates a unified light-emitting surface, resulting in improved uniformity and brightness across the entire display. By closely integrating the LED chips, ensures consistent illumination and minimizes dark spots or unevenness on the screen. This makes COB video walls suitable for various applications, including large-scale displays in public spaces, events, and commercial settings.
With the introduction of COB or Chip-On-Board, LED display technology has advanced significantly. This creative method outperforms conventional LED arrangements regarding seamlessness and captivating display, completely changing how we interact with images.
COB LEDs, in contrast to traditional LEDs, employ a novel technique in which several LED chips are integrated directly onto a single substrate. Combining these light sources results in a mighty small display that sets the stage for an unmatched visual experience. The core of COB LED technology is the cooperative power of these minuscule LED chips. The capacity of COB LED displays to produce breathtaking images from a variety of viewing angles is what makes them unique. Because of this, they are perfect for large spaces like arenas, stadiums, and auditoriums, where every seat ought to be the best in the house. COB LEDs are bright and uniform, so no matter how the viewer views the display, it will always be captivating.
The real power of COB LED walls is their capacity to do away with the infamous “pixilation” effect that frequently occurs in conventional displays. Conventional LEDs have a visually confusing grid pattern because visible borders separate the individual modules. These lines disappear thanks to COB LED technology, which creates a uniform, smooth appearance that enthrals viewers with realistic clarity.
Imagine a display with no visible lines or seams—that is what COB LED walls aim to achieve. A seamless and uninterrupted visual experience is produced by doing away with the boundaries that once separated individual LED modules. This improves the display’s visual appeal and makes watching it more engaging for the audience. With COB LED walls, you can see scenes play out on a canvas without being constrained by a pixelated grid.
What are COB LED and SMD LED?
COB LED
COB LED is one kind of chip-level packaging technology, its full name is Chip on Board Light Emitting Diode, i.e. Chip on Board Packaging LED, this kind of LED is a large number of chips densely arranged on a substrate, and then encapsulated with a special encapsulation process, to form a whole light source. COB LED has the characteristics of high brightness, good color saturation, large light-emitting area, and superior heat dissipation, which can provide very high light output efficiency, and therefore suitable for some LED lamps and lighting applications that require high brightness, high power, and compact package. COB LEDs are characterized by high brightness, good light color saturation, large light emitting area, superior heat dissipation, etc. They can provide very high light output efficiency and are therefore suitable for some LED lamps and lighting applications that require high brightness, high power, and compact packaging.
SMD LED
SMD LED is one kind of surface mount assembly technology, its full name is Surface Mounted Device Light Emitting Diode, that is, surface mounted device light emitting diode. This kind of LED adopts advanced packaging technology, the chip is directly welded on the substrate, so it has the advantages of small size, lightweight, high reliability, good luminous efficacy, etc. SMD LED is widely used in indoor and outdoor lighting, display screens, automobile lamps, backlighting, and other fields, and has become one of the mainstreams of modern lighting and display technology.
Advantages of COB LED Display
Anti-collision
COB LED displays are known for their durability and anti-collision features, making them suitable for high-traffic areas or environments where accidental contact may occur. Their robust design can withstand minor impacts without compromising performance.
Easy Cleaning
The smooth, compact design of COB LED displays facilitates easy cleaning and maintenance. Dust and dirt have fewer crevices to accumulate in, simplifying the upkeep process and ensuring a consistently clear display.
Extremely Low Pixel Failure Rate
COB LED displays boast an extremely low pixel failure rate, providing reliability and longevity for your visual installations. This minimizes the need for pixel repairs or replacements, reducing maintenance costs.
Exceptional Brightness
One of the standout features of the COB LED display is their impressive brightness levels. The closely packed LED chips collectively generate intense illumination, ensuring that your content shines brilliantly.
Vivid and True-To-Life Colors
A COB LED display can offer outstanding color uniformity, delivering true-to-life and vibrant colors. This feature is particularly essential for applications such as advertising, events, and entertainment, where color accuracy is crucial to captivate the audience.
Energy Efficiency
Despite their dazzling brightness, COB LED displays are surprisingly energy-efficient. They consume less power compared to traditional display technologies, making them environmentally friendly and cost-effective in the long run.
Enhanced Contrast and Clarity
The COB LED display excels in providing high contrast ratios and clarity. This means that dark areas appear darker, and bright areas appear brighter, resulting in an enhanced viewing experience with superior image quality.
Wide Viewing Angles
The COB LED display typically offers wide viewing angles, ensuring that your content remains visible and engaging from various vantage points. This is especially important for large-scale displays in public areas.
Longevity And Durability
COB LED technology is known for its longevity and robustness. These displays are designed to withstand extended usage without significant degradation in performance, ensuring a reliable and durable visual solution.
Seamless Design
The COB LED display often has a seamless design, with minimal bezels or gaps between individual LED modules. This creates a more immersive and cohesive viewing experience, especially in multi-panel setups.
The Difference Between COB LED and SMD LED
Difference in Packaging Method
SMD package is encapsulated into a lamp bead and then welded, while the COB package is directly encapsulated in the chip on the PCB board, the process is more simple
Product Difference
SMD package more than P1.25 products, such as some outdoor screens and indoor full-color screens used more SMD package, while the COB package more than P1.5 below the tiny pitch LED is the main one, you can do P0.9 or even smaller pitch
Stability Difference
COB packaged LED display dead, drop light rate is lower than the SMD package, better stability
Light-Emitting Effect
SMD tape consists of a single LED lamp bead, the spacing between the lamp beads is large, and the light emitted after the light can be seen one by one photoelectric; COB tape due to the continuity of the fluorescent adhesive coating as well as the spacing between the chips is small, the light emitted is a line of soft light to achieve the characteristics of the light is not seen
Heat Dissipation
SMD light with the use of light beads on the chip encapsulated in the LED bracket shell, heat dissipation through the bracket in the conduction to the flexible circuit board, the heat path is relatively complex; COB is a flip chip directly encapsulated in the flexible circuit board, the heat is transmitted directly to the circuit board heat dissipation efficiency is higher, significantly improving the life of the LED.
Applications of GOB LED Displays
These types of screens are often subject to multiple assemblies, disassemblies and transport operations in short periods of time. This considerably increases the risk of receiving impacts or abrasion damage to the display surface causing higher maintenance costs. GOB LED module displays are ideal for this type of application due to their high strength and durability.
Traditionally, to install a screen on the floor, a layer of transparent acrylic material has to be added on top of the screen. With the GOP system this additional layer can be replaced and GOP modules with thick resin layers can be used directly as a floor screen.
LED displays with transparency allow you to see through the display when it is not operating. This is achieved by openings between the individual rows of LEDs that allow light to pass through the screen. A disadvantage of this type of display is its relative fragility compared to conventional LED displays.
This is because the structures that sioportant this type of screens are much thinner and fragile. In these cases the use of a GOB resin protection can be a differential factor to improve the durability and resistance of this type of screens.
There is increasing demand for flexible LED displays in commercial applications. Interior and commercial designers appreciate the impact of circular or adaptable displays in complex shapes. However, these types of displays also suffer from the ills associated with having a less robust structure than traditional displays. Therefore, the application of special GOB resins in flexible displays makes it possible to use this type of design solution with a greatly improved level of reliability and strength.
Technical Parameter of Our GOB LED Display Screen
|
Model |
GOB led module |
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Color |
RGB |
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LED encapsulation |
SMD2121 |
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Pixel pitch |
1.25mm |
2mm |
2.5mm |
3mm |
4mm |
|
Scan mode |
1/52S |
1/40S |
1/32S |
1/32S |
1/16S |
|
Module resolution (W × H) |
256*128 |
160*80 |
128*64 |
64*64 |
64*32 |
|
Module size(W × H) |
320*160mm |
320*160mm |
320*160mm |
192*192mm |
256*128mm |
|
Pixel density (dots/㎡) |
640000 |
250000 |
160000 |
160000 |
62500 |
|
Brightness |
200cd~600cd/ m², adjustable |
≥500cd/ m², adjustable |
≥700cd/ m², adjustable |
≥700cd/ m², adjustable |
≥850cd/ m², adjustable |
|
Current |
4.2A±0.1A |
2.8A±0.1A |
3.6A±0.1A |
3.2A±0.1A |
3A±0.1A |
|
Input voltage |
4.5V-5.2V |
4.8V-5.2V |
4.8V-5.2V |
4.8V-5.2V |
4.8V-5.2V |
|
Power |
≤21W |
≤14W |
≤18W |
≤16W |
≤15W |
|
Weight |
338g |
407g |
408g |
208g |
130g |
|
Frame frequency |
60Hz |
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|
Refresh rate |
≥1920Hz |
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Viewing angle |
Horizontal 140°±10°,Vertical 140°±10° |
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Temperature |
-10 to +60 deg C |
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Humidity |
10% to 90% |
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Lifespan |
≥100000 Hours |
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MTBF |
≥10000 Hours |
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|
Malfunction Dot |
less than 10 per million, in discrete state |
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Maintaining and Extending the Lifespan of Your LED Video Wall: Best Practices
Cleaning and Dust Controls
Dust can be harmful for the LED displays as it can obstruct the light output which can result in reduced brightness and image quality. If it is not cleaned properly regularly, this can lead to overheating and damage to delicate components. Here are some of the best practices for cleaning and maintaining the LED video wall:
1)Turn off and disconnect the power supply: Before cleaning the LED video wall, remember to turn off and disconnect the power supply to minimize electrical risks and ensure overall safety.
2)Use soft microfiber dry cloth: You should use a dry soft microfiber cloth to gently swipe the LED display in a vertical motion. Don’t rub too hard or scrub vigorously as this can harm the LEDs.
3)Don’t use abrasive cleaners: If you see any stubborn stain that cannot be removed with the dry cloth, then in this case, you can use an LED cleaning solution. Just moisten the cloth with the solution before wiping the LED video wall. Avoid applying the solution directly to it.
4)Allow it to be dry: After cleaning, you should always allow the LED display to get completely dry before you turn it on.
Proper Ambient Lighting and Ventilation
You might think that LED video walls are built for all types of weather resistance, that’s true. However, you can follow some best practices to enhance LED display lifespan by proper lightning and temperature control. Here is what you can do:
1)Consistent Temperature Range: LED video walls perform best within a specific temperature range. It’s important to maintain a consistent temperature that falls within the manufacturer’s recommended guidelines.
2)Adequate Ventilation: LED video walls generate heat and proper ventilation is necessary to dissipate that heat. Ensure that the display has sufficient airflow around it to prevent overheating. Also, avoid enclosing the video wall in tight spaces or obstructing ventilation ports.
Use High-Quality Content and Manage Display Settings
When it comes to maintaining the LED displays, content and display settings also play a crucial role. LED video walls can have a problem called “burn-in” where leaving static images on the screen for a long time can cause a permanent faint residue.
By creating content that is engaging and attractive, you can reduce the likelihood of screen burn-in and prolong the durability of your screen. Also, poorly optimized content can place unnecessary stress on the LEDs. Here are some of the best practices:
1)Dynamic Content: You should use dynamic content with frequent changes in scenes, transitions, and movements. This will evenly spread the load on the LED panels, avoiding image retention and making sure they wear out uniformly.
2)Content Rotation: Keep your content fresh by rotating it regularly to avoid showing the same images for too long. One more thing you can do is implement a content scheduling system to automate content rotation.
3)Avoid Excessive Brightness: Don’t make your LED video wall too bright. This can harm the LED video wall. You can adjust the brightness to a suitable level for the environment to balance visibility.
Regular Calibration and Fine-Tuning: To ensure optimal performance, periodically review and adjust the display settings. It includes checking color accuracy, white balance, and any manufacturer-recommended settings.
Implement Proper Power Management
As LEDs are sensitive to power fluctuations, which can shorten their lifespan and cause them to burn out prematurely. You can manage power efficiently by reducing the number of voltage spikes and surges that can damage the LED display. Here are some best practices for proper power management:
1)Uninterruptible Power Supply (UPS): You can install a power backup to safeguard your LED video wall from unexpected power outages or voltage changes. UPS can provide backup power during outages.
2)Power Conditioning: To filter out electrical noise and stabilize the power supply, use power conditioning equipment, such as voltage regulators or surge protectors. With these devices, you can eliminate voltage fluctuations and ensure a consistent and clean source of power.
3)Scheduled Power Cycling: Make sure that your LED video wall is regularly power cycled so that the system can be reset and refreshed. It can prevent issues related to overheating, memory leaks, or software glitches. If you are not sure what intervals to power cycle, consult the manufacturer’s instructions.
4)Regular System Inspections: You should perform regular inspections of your LED video wall system to identify any power-related problems or faults. Check any loose connections, damaged cables, or signs of overheating. Resolve these issues quickly to prevent further damage and ensure optimum power management.
Our Certification
Frequently Asked Questions about COB LED Video Wall
Q: What is a COB LED Display?
From a wider view, the COB LED display has features in common with traditional LED technology. Some of these are; high power efficiency, high color uniformity, high contrast, etc.
The greatest importance of using COB is to get high protection performance like moisture-proof, collision avoidance, and dust proof, in short, higher environmental adaptability; this led coating technology helps to get pixel level protection.
Q: Do COB LEDs get hot?
Q: What are LED displays used for?
Q: What is GOB in LED screen?
Q: What are the applications of LED screens in architectural design?
Q: What devices use LED displays?
Q: What is a COB LED Display?
Q: What is a GOB LED display?
Q: What is the difference between LED GOB and COB?
Q: Is COB LED better than LED?
Q: What does SMD mean in LED?
SMD LEDs stand for Surface Mount Device and Light Emitting Diode. The combination of these acronyms indicates electronic components made up of LED modules that are mounted directly on one side of the printed circuit board using surface mount technology, known as SMT.
Q: What is the minimum viewing distance for an LED wall?
Q: How do LED video walls work?
Q: How long do LED walls last?
Longevity- 100,000 hours is the average lifespan of an LED video wall. Depending on how often you use the wall, you can end up getting 10-15+ years out of it.
Q: What is the best ratio for LED walls?
For most screens, a 16:9 ratio is used. If you're unfamiliar with the 16:9 ratio, allow us to explain. The 16:9 ratio is the format all standard videos are displayed, so no custom dimensions need to be used with screens this size.
Q: What is the best size for an LED wall?
As one of the leading cob LED video wall manufacturers and suppliers in China, we warmly welcome you to buy customized cob LED video wall from our factory. All OEM&ODM products are with high quality and competitive price. Contact us for quotation.
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