As LED display technology continues to advance, there is more options open than ever before for customers to select LED screens for their commercial, corporate and event applications. The most sought-after packaging technologies are COB (Chip-on-Board) LED, SMD (Surface-Mounted Device) LED and GOB (Glue-on-Board) LED displays. There are distinct advantages and drawbacks to each of the technologies with regards to image quality, durability, maintenance, and cost.
If you are looking to buy an LED display for a control room or rent an LED display for a live event, you need to understand the differences between COB, SMD and GOB.
What Is SMD LED Technology?
SMD (Surface Mounted Device) technology is the most in-demand LED display technology on the market. An SMD display consists of the red, green and blue LED chips, which are packaged and then mounted directly on the display module.
SMD LED displays are known for their high color performance, wide viewing angle and low cost. They are widely applied in the field of advertising, conference rooms, retail displays, stadiums, rental LED screens and more. However, SMDs are still popular for many applications due to their advanced manufacturing and lower costs.
What Is COB LED Technology?
COB LED technology is a new technology, in which the LED chip is directly placed on the PCB and a protective layer is formed with the LED chip. Conventional packaging elements are omitted, and this makes the design more durable, dissipates heat better and improves the image quality.
COB LED displays are now used more in fine-pitch realms like control rooms, broadcast studios, command centers and high-end conference rooms. They are sharp contrast ratio, low black level and impact, dust and moisture resistant, which are ideal for mission critical applications.
What Is GOB LED Technology?
The GOB (Glue-on-Board) technology is an improved version of the conventional SMD LED displays. It is an invisible protection adhesive layer which is applied on the surface of LED, it has little effect on the quality of the image, and it makes the LED more durable.
GOB LED displays have excellent waterproof, dustproof, electrostatic resistance and impact resistance. This has led to their being used for a variety of applications, including rental uses for LED displays, stage performances, exhibitions and public installations where reliability and durability are essential.
COB, SMD and GOB LED: Key Differences
When evaluating COB, SMD and GOB LED technologies, a number of factors need to be taken into consideration.
SMD LED displays are the most popular and the least cost LED display at present. They provide highest colour output and are still the cost-effective solution for most of the conventional LED display applications.
COB (Chip on Board) LED displays provide the best image quality, better heat dissipation, and prominent level of durability. They tend to be more costly, but more reliable and requires less maintenance.
GOB LED displays offer the best of both worlds between SMD displays and COB displays, with the same quality of display and the impact as SMD displays as well as robust protection and durability, particularly suited for rental applications and in high traffic areas.
Which LED Display Technology Should You Choose?
This will depend on the needs of your application as to the best LED technology.
But when it’s about budget and versatile displays, then SMD LED displays are still a good choice. Where high-quality images, durability, and long lifespan are essential, COB LED technology can come in handy. Whether for renting or extra protection, GOB LED Displays are the ideal combination of performance and protection.
SightLED’s Professional LED Display Solutions
SightLED professional LED displays are formed of fine pitch LED display, Flip-Chip COB LED display, Rental LED display and Commercial LED screen solutions. SightLED’s display solutions are designed to deliver high refresh rates, seamless splicing technology, excellent colour performance and reliable operation for a variety of professional display solutions.
Conclusion
LED technology is available in diverse types with each offering different advantages for various different applications depending on the COB, SMD or GOB. The most economical and flexible solution is SMD, while COB is the highest quality and durability, and in extreme environments, GOB is the highest level of protection.
Understanding the differences between these LED display technologies will enable businesses and organisations to select the appropriate technology for their projects, to ensure best performance, reliability, and value.