What is the difference between COB package and GOB package LED advertising screen?

2023-10-11 11:00:08 Ddon Visual

  COB(Chip-on-Board)and GOB(Glass-on-Board)packaging are common technologies in the field of full-color LED displays,and they exhibit differences and distinctions in LED chip packaging and product performance.Today,let's explore the differences and comparisons between COB and GOB packaging with China's Ddon Visual.

LED background screen

  1.COB Packaging(Chip-on-Board):

  COB packaging is a technology where LED chips are directly bonded or connected to a Printed Circuit Board(PCB).In COB packaging,the bare LED chip is directly exposed on the PCB without the need for an additional encapsulation casing.This packaging approach brings the LED chip closer to the PCB,aiding in better heat dissipation and optical efficiency.


  Higher heat dissipation performance due to the direct connection of the chip to the PCB,resulting in more efficient heat conduction.

  Higher luminous efficiency as there is no enclosure obstructing the light.

  Thinner screens,suitable for scenarios requiring slim designs.

  2.GOB Packaging(Glass-on-Board):

  GOB packaging involves encapsulating the LED chip within a glass casing and then connecting the fully packaged LED module to the PCB.The glass casing in GOB packaging adds an additional layer of protection and durability to the chip.


  Enhanced protection due to the glass casing,preventing mechanical impact and environmental influences on the LED chip.

  Achieves higher dust and water resistance,making it suitable for outdoor and harsh environments.

  In outdoor applications,GOB packaging increases the durability and reliability of LED modules.

Outdoor LED advertising screen

  In summary,COB packaging focuses more on enhancing luminous efficiency and heat dissipation,making it suitable for indoor environments.On the other hand,GOB packaging emphasizes protection and durability,making it ideal for complex and harsh outdoor environments.Therefore,when selecting products,users need to consider actual usage requirements,environmental factors,desired functionalities,and overall project budget.Ultimately,they can choose the solution that best suits their project needs.The above analysis outlines the differences between COB and GOB packaging.We hope this article proves helpful.China's Ddon Visual specializes in the research,development,manufacturing,and sales of high-quality full-color LED display screens.They offer a range of products including LED display modules,LED stage rental screens,and complete LED advertising screens.They also provide tailored solutions for irregular-shaped LED display screens and on-site installation services.If you require assistance for related projects,feel free to contact Ddon Tang;they are committed to delivering comprehensive product solutions and exceptional service.

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