No big deal, except we're talking printed on *paper*:
(n b I'm not a big one for watching videos rather than reading, but this shows images of the tech.)
It's just been invented so the individual transistors are huge, but the inventors have so far successfully printed solar cells and primitive displays on paper using a plain old inkjet printer using unspecified "stuff" instead of ink.
So, game-changer or curiosity that will die in the noise?
Mark L. Fergerson