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LED lamp moisture-proof strategy from Shenzhen LED World ( the professional outdoor/indoor fixed/rental led display screen manufacturer

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LED lamp moisture-proof strategy from Shenzhen LED World ( the professional outdoor/indoor fixed/rental led display screen manufacturer

LED lamp moisture-proof strategy from Shenzhen LED World ( the professional outdoor/indoor fixed/rental led display screen manufacturer

LED lamp moistureproof strategy from Shenzhen LED World ( the professional outdoor/indoor fixed/rental led display screen manufacturer)

 

 

 

Day after day looking forward to bright sunshine, but back to the south to go and come again.Spring is here, and the southern sky is coming back as promised, with wet walls, floors and mirrors everywhere. LED lamps dampness, often cause blind lights, string bright and other problems, the problem after the irreversible outbreak, or even difficult to control, at this time we need to do a good job in advance to prevent, moisture-proof measures from now on!

 

 

 

 

1.  Waterproof ≠ Moisture-proof 

 

 

Waterproof is to prevent liquid water, moistureproof is to prevent moisture gas .

 

The packaging material of LED devices is mainly epoxy resin and other plastic materials. The plastic is a polymer material, and the gap between the molecules of the polymer material is large. The vapor state water molecules can penetrate into the shell through the gap.

 

LED device, outdoor lamp bead device through the structural design, to meet the waterproof function of the product, but both outdoor and indoor lamp bead, due to the characteristics of plastic materials, are moisture sensitive electronic components.                               

 

 

2.  The Harm of LED are affected with damp

 

LED devices are affected by moisture and water vapor seeps into the lamp bead. When the water vapor contained in the air seeps into the lamp bead, the halogen in the water vapor will have an electrochemical reaction with the metal in the lamp bead under the condition of power on, which will result in a short circuit of the chip, power leakage or electrode loss, resulting in blind light and abnormal string light in the lamp bead on the display screen. 

 

 

case A: due to the decoration of the seaside building, the environment has high humidity, the LED display screen has not been used for a long time, and the moisture-proof measures have not been taken. After lighting, the dead light will be on.

 

 

 

 

Case B: during the Spring Festival holiday, the weather was wet, the LED display was out of power for a long time, and a batch of lights appeared after the holiday.

 

 

 

3.  The Measure of LED moisture-proof

 

Stop 1  -  LED lamp bead storage

 

When the LED lamp beads are transported and stored, they can be padded up to make them waterproof and moisture-proof

 

 

 

Stop 2  -  LED lamp bead online 

 

The lamp beads must be baked and dehumidified before the patch. We have corresponding schemes for different products with different degrees of moisture

 

         LED Lamp Within 2 months (no damp)  over 2 months (no damp)      over 6 months or in damp
     small pixel pitch (0808/1010/IMD series)

           60°C * 12h

          60°C * 24h            60°C * 24h 
  Outdoor/Indoor series             70°C * 12h           70°C * 24h             70°C * 48h

 

 

 

 

 

Patch note control environment, it is recommended that the temperature of 20 ℃ ~ 30 ℃, humidity 40% RH to 60% RH.Pay attention to the patch cycle and use it as soon as possible after the oven or drying cabinet is taken out.

 

 

Stop 3 - The packaging of LED module 

 

The storage or transportation of modules and boxes shall be vacuum packed or sealed with desiccant. Avoid the screen body is installed at the same time with the project being decorated, the environment is not controllable, and it is not used after being exposed to the damp environment for a long time.

 

 

 

 

Stop 4 -  The use of led screen 

 

After the installation of the screen body, it shall be often lit for use. If the display screen is not used for a long time (generally 5-10 days), it shall be dehumidified before use, and the accumulated moisture in the screen body shall be removed by gradually increasing the brightness and slowly warming up.

 

 

 

For example, the following method is adopted for normal use after dehumidification:

 

 

If you have any questions about the above, please contact our company ( Shenzhen LED World Co., ltd  ). For details, please refer to the 'manual of full-color SMD LED moisture-proof ' .

 

 

 

Pub Time : 2019-03-20 13:36:29 >> News list
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