LED displays are everywhere. From the streetlight outside of your house to the LED screen installed outside of a mall, you can never escape LEDs. They have also evolved with time. With a wide range of better and more progressive LEDs, traditional models are losing their charm in some area. GOB LED Display is one of such new technologies.
This technology offer a better features than previous models. Here we will explore what is it, its pros and cons and its applications.
What is GOB Led Display
1. GOB Led Display is an LED Display with a glue on board (GOB) technology. This innovative technology seals the module surface with epoxy glue.
2. This protects the LED anti-collision, waterproof, anti-UV and dust proof. GOB protects LED such as dropping during installation or delivery.
3. The lifespan of these LEDs is also extended due to heat dissipation caused by shield glue.
4. It’s highly adaptable and can be used in any environment regardless of the weather conditions. Though GOB has not become mainstream until now but because of its risk reducing features like anti-knock, it will certainly become more common in future since it’s a necessity for displays that need LED diode protection.
5. With the epoxy glue, screen has larger viewing angle, 180 degree horizontal viewing angle and vertical viewing angle. With upgraded PCB, the screen contrast ratio also much higher.
6. This technology is also much simpler to maintain in comparison with other similar technologies such as COB. Not only does it cost less but it is also long lasting.
Make GOB screen are roughly divided into 3 steps:
1. Choose the best quality materials: high quality IC solutions, high quality LED chips...
2. After the led board is assembled, aging for 72 hours before GOB filling, ensure all lamp good working.
3. After the GOB is filled, it will be aged for another 24 hours to confirm the product quality again.
Pros and Cons of GOB Led display
Pros
1. Anti collision
During assembly, delivery, installation and screen working, GOB has largely reduced the risk of collision through its protective glue sealing.
2. Dust proof
The glue on board technology protects the LED display from the dust. It maintains the quality of the LED.
3. Water proof
Water is an enemy of all technology. But GOB LEDs are designed to be waterproof. In case of any encounter with rain, or any moisture, the glue on board technology prevents the water from getting in the LED and as a result protects it.
4. Reliable
GOB LEDs are highly reliable. Since they are designed to be safe from risks such as breakage, moisture or any shock, they have long life span.
Cons
1. Difficulty in repair
GOB makes the LEDs difficult to repair. Though it reduces the risk of any collisions and knocks by its glue, the glue unfortunately makes the process of repairing the LED hard.
2. PCB BOARD DEFORMATION
The glue is colloid onto the screen with high stress. Due to this, PCB boards has risk of deformed, which can even make the screen flatness to be affected.
3. Thermal alteration
With thermal alteration of hot and cold repeatedly, there is risk of colloid discoloration and partial degumming.
4. Secondary image
The colloid covers the luminous surface of the LED Display. This creates a secondary optical image and may cause problems in viewing the effects.
5. False welding
In case of a false welding, the GOB LED Displays are highly difficult to repair.
Applications of GOB LED DISPLAY TECHNOLOGY
Some LEDs are more prone to damage than others. For such LED displays, GOB technology is essential. It prevents any damage and saves you a lot of money.
Some of the LED displays that need GOB technology are:
1. Rental LED screen
Rental LEDs move a lot. They frequently go through the assembly, installation, disassembly, packaging and delivery process. Due to this, these LEDs are often damaged during one of such processes. This increases the maintenance cost since they need frequent repair. With GOB technology however, Rental LEDs are well protected and safe.
2. Transparent LED Display
As the PCB of transparent LEDs is narrow, the LED and PCB are prone to damage. These LEDs are really popular these days but since they are easily damaged, it can often affect the resolution and transparency of the display. Glue on board (GOB) technology ensures that the LED display remains safe and secure from any collision or damage.
3. Small pitch LED display
Small pitch LED display has a pixel pitch of less than 2.5mm. Since the pitch is this small, the damage is inevitable. It can be damaged with even a little force. The maintenance is also very difficult and costly. GOB technology solves this problem by protecting the screen which prevents any chances of damage that are otherwise possible.
4. Flexible LED Display
Since Flexible LEds use soft modules, the GOB technology can increase the reliability of Flexible LEDs by protecting them from moisture damage, and scratches.
5. Floor LED Screen
Conventionally, Floor LEDs use an acrylic layer to protect the screen. This can affect the visuals and light transmission. With the GOB technology, this issue can be prevented. Not only can GOB offer better light transmission and visual effects but also offers waterproof, shockproof and dustproof so even if someone steps on it, it’s still protected.
6. Irregular shaped LEDs
Irregular shaped LEDs are often used at indoor public places such as clubs and halls etc. Due to this, spilling drinks and exerting accidental pressure on it is inevitable. Glue on board (GOB) technology protects the LED display from these. It can largely reduce the maintenance cost too.
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