Same here.
The S6 has a pyrolytic graphite heat spreader so don't just chuck away the old screen!
For those who aren't familar with it pyrolytic graphite can be used to make maglev setups among other things. Its also handy as EL substrate.
I think the new ones do come with this preattached with tape and if you find a copper strip attached then the
PG will be behind it.
Unfortunately there's no way to repair a cracked OLED panel as once water gets in it eats the polymers
and this is why a broken phone often has no picture.