E-wallpaper you can lay out modularly sounds like an amazing use case. Tiling edges would need patterned conducting/insulation adhesives but with some clever protocol negotiation each wallpaper tile can self-identify and display the pixels assigned to it. With some printed antennas it can be powered via RF for changing the image and then left unpowered.
> Dimensions 349.3 cm × 776.5 cm (137.4 in × 305.5 in)