Some wild flexible screen technologies that in the future might scale to architectural sizes:

Plastic Logic is a German company developing flexible, plastic encapsulated organic display technologies with flexible transistors.   The company was recently split: Flex Enable is now an independent R+D operation.

According to Wikipedia:

Originally a spin-off company from the Cavendish Laboratory at the University of Cambridge, the company was founded in 2000 by Richard Friend,^[3] Henning Sirringhaus^[4] and Stuart Evans^[5] and specialised in polymer transistors and plastic electronics.