I have some cheap device with a small color TFT display conncted to the board with some tapelike conductor -- which has broken 1 or maybe even 2 conducting lines (I can actually see the tiny gap with a lense I use).
(By the way: they've got broken because a control button is strangely close to the conductor -- so it was pressing it and slowly damaging it over time... figure that design error...)
Now the question -- how to repair it?
(if there is not some known (adequate) procedure, consider it a philosophical question -- just for the cause of wisdom) :)