What is COB LED Technology?

What is COB LED ? This hottest innovation has by now significantly impressioned the lighting and exhibit industries. Nevertheless, in spite of the enhancements it can provide, in particular with LED displays, lots of folks continue to be unfamiliar with it. 

Read through on to understand about what COB LED technology is, how it functions, and why it‘s the way ahead or go forward and check out ViewSonic’s hottest COB LED Show solutions.  

COB LED, or chip on board light-weight-emitting diode is the latest innovation in the subject of LED technologies. It supplies numerous advancements and has by now created waves in a few important spots, like lights and LED show gadgets. Though increased dependability, electricity performance, and impression top quality outline most popular positive aspects, quite a few prospects are nevertheless unfamiliar with COB LED display screen technological know-how and the way it in fact performs.  

In this short article, we will check out what chip on board LED know-how indicates, how it is relevant to show gadgets and how it differs from other recognized LED packaging systems. We’ll also go over in detail the over-outlined primary positive aspects of the COB approach. 

COB LED Technologies Described 

Chip on board (COB) technology is a approach of instantly mounting crimson, green, and blue chips onto a printed circuit board (PCB). Packaging the bare chips instantly onto the PCB allows a much bigger chip density whilst developing a flat uniform LED area. The mix of a few-colour values enables the chips to reach a better colour gamut and replicate true-to-everyday living imagery. 

In other terms, with COB LED know-how, the range of LEDs that can be put in any supplied place of a exhibit is way higher than with other LED packaging ways, such as Surface area Mounted Diode (SMD) and Dual in-line Offer (DIP). 

Occupying a lot less place on the board with no any bonding wires will allow for a tighter pixel pitch. The tighter the pixel pitch, on the other hand, the bigger resolution. This is one particular of the explanations driving COB’s breakthrough in the LED packaging globe. The opportunity of bettering graphic high-quality, trustworthiness, and electricity efficiency of a screen is substantial and will be only further more explored in a variety of upcoming purposes. 

SMD vs. COB Packaging Technology 

Right before the emergence of the latest COB LED technology, screen devices making use of LEDs relied on other LED packaging procedures. The two most typical styles have been SMD and DIP. As the SMD made available top-quality density and array electric power, it speedily emerged to be the most common option for LED displays. 

SMD know-how will work by making use of bonding wires to mount the components on the floor of the PCB. This is finished making use of a soldering machine that applies heat and force to the joints to generate a permanent relationship. While this initially represented a main enhancement around other techniques, if the soldering is not managed accurately appropriately, there’s a even larger chance of weak details in that relationship. They may perhaps be way too weak or too sturdy, major to failure. 

In addition to, SMD factors are more vulnerable to injury from external components these kinds of as heat and humidity or collision. Due to the fact the components are mounted on the surface area of the circuit board, they are exposed to the setting and can be quickly weakened by external components. 

In contrast, COB engineering involves bonding the elements to the circuit board employing an adhesive, which can offer a a lot more robust and responsible connection. This makes COB engineering fewer susceptible to failure due to exterior variables and soldering challenges. Not needing the bonding wires is also what allows a finer pixel pitch.   

At last, SMD technology is commonly restricted to factors that are greater than .5 mm, even though COB technological know-how can be utilised with considerably smaller parts, down to a number of micrometers in dimensions. 

Gains of COB LED Technology 

With an knowledge of what chip on board technological innovation is and how COB LED technology differs from competing systems, let’s check out what it can do.  

1. Outstanding Pixel Pitch 

Basically, pixel pitch is a measurement of the density of pixels and refers to the distance amongst the center of 1 pixel and the heart of an adjacent pixel. 1 of the largest rewards related with COB LED engineering for display products, like wall displays and other big-format shows, is precisely the enhancements to the pixel pitch. The smaller the pixel pitch, the higher the pixel density hence the higher resolution. The COB LED displays can produce the tightest pixel pitch which interprets to a resolution of up to 4K. 

The praised improvements to pixel pitch supplied by COB technology are most visible when employing a exhibit up shut for the reason that a more compact pixel pitch and higher pixel density will reduce the viewing distance. This implies that viewers will be equipped to stand close to a display and nevertheless see it easily with out noticing the unique pixels.  

2. Enhanced Trustworthiness 

When as opposed to Lcd, any LED display screen will be fewer impacted by concerns like the surrounding surroundings and several lighting disorders. Once the screen has been set up, it can be employed in otherwise lit cases, with out the want to recalibrate the monitor. 

Amongst LED shows, the key benefit of COB LED technology specifically, is its enhanced trustworthiness which includes drinking water-evidence, dust-proof and anti-collision abilities. The earlier mentioned reduction in soldering web sites minimizes the probable details of failure. This translates over-all to far better thermal overall performance, facilitated maintenance, and, in the end, peace of head. Moreover, mounting the LEDs instantly on the board also improves humidity- and dust resistance as the surface area is secured by a long lasting clear epoxy resin. 

According to the Ingress Protection (IP) ranking that defines the stage of safety towards the ingress of stable objects, dust, and drinking water, COB engineering scores IP54 which is a superior score for LED displays (by comparison, SMD scores only IP20 or IP30). 

3. Great Strength Performance 

In standard, LED technology is extra energy economical than its alternatives, together with Lcd displays. By the exact same token, LED technological innovation can help to make exhibit equipment a great deal fewer expensive to function on a working day-to-day basis. 

COB LED know-how provides bigger energy effectiveness than SMD. This is critical when it will come to the full price tag of procedure for huge format shows that are going to be used all working day, each and every day for months and years to come. 

4. Enhanced Viewing Working experience 

At last, COB LED technologies has the probable to present a far better all-around viewing practical experience. While the system of connecting LED chips right to the printed circuit board allows a COB LED screen to supply a better contrast ratio, the adoption of flip chips gives broader viewing angles (170 degrees).  

COB Technological innovation also drives 4K resolution. This is of paramount relevance for large-structure displays applied in locations that require detailed and intricate visuals such as investigate establishments, engineering amenities, educational facilities of architecture, or fine arts.  

When when compared to SMD engineering, COB LED displays deliver a bigger contrast ratio, smoother surface, and better trustworthiness. COB LED technology can outcome in considerably-improved brightness and deeper blacks which is great for use indoors exactly where lots of pure light is current like auto exhibition centers, architectural studios, hospitals, and other spots that require visuals of substantial resolution.  

The quite finest COB LED displays on the industry, this sort of as the ViewSonic LDP163-091 and LDP216-121, will merge these advancements with an exceptional coloration gamut and higher distinction ratio, for the supreme viewing experience and actual-to-existence shade. 

Final Views 

Chip on board or COB LED technology is the most recent breakthrough in LED packaging technology and provides specially fantastic outcomes when made use of in display devices. It tightens pixel pitch, boosts brightness, and improves viewing angles and viewing distances though providing better lengthy-time period dependability and anti-collision, electricity performance as perfectly as superior dust and humidity resistance. 

If you like reading through this post, be confident to also discover Immediate perspective LED video clip wall vs Liquid crystal display video wall: What is the variation? or go straight to ViewSonic’s LED Exhibit answers.