Conformal Coating on NHD-3.5-320240FT-CSXN-CTP

rifrifo

• June 26, 2020 10:07

Hello,

We have applied conformal coating to NHD-3.5-320240FT-CSXN-CTP  but after the application it stopped working.

We are positive that conformal coating was applied correctly and the connectors were protected.

Can you please confirm that it is possible to conformal coat NHD-3.5-320240FT-CSXN-CTP

Thanks

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  Sergio_M

  • June 26, 2020 11:07

  Hello,
  
  Sorry to hear the display stopped working, was the conformal coating applied to the entire display?
  When using conformal coating we typically coat a chip-on-board display applying conformal coat on the PCB itself not on the LCD glass.
  This being a TFT it's possible the liquid seeped into the module possibly causing permanent damage to the display.

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