So there is reel to reel OLED screen technology out there (basically a printing press for OLED screens). http://www.flexolighting.eu/ http://www.flexolighting.

So there is reel to reel OLED screen technology out there (basically a printing press for OLED screens). http://www.flexolighting.eu/ http://www.flexolighting.eu/ (These guys have some pictures of the process). It's probably also possible to print transistors directly. Here's a paper from 2017 that outlays that process. https://www.nature.com/articles/s41598-017-01391-2 https://www.nature.com/articles/s41598-017-01391-2