delay on the right side of the screen LGH840

The right half of my LG cellphone screen is lagging, the other half is ok, but the right side of the screen have a hard delay (the two sides arent sincronized) can someone tell me if can be easily fixed?or it will be necessary go to the maintenance?

See issue images here: (I had to remove all the links because this site apparently don't have a context analysis to mark posts as spam)

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