New panel vs old panel (series)

[Gold_Phenix]

I have a 604 G5 and I have "burn in" screen, do you think it's because the old screen? Is the new screen have "burn in" issues? How could I know if I buy a right one on ebay? I already try the software fixing for my "burn in" screen and nothing help
I got some picture after one minute :



Thanks for all

I have to this problem [emoji52].