InkPoster isn’t unique. The Aura Ink ($449) is a 13-inch option with similar screen specifications, while smart home company SwitchBot has taken a different approach, layering automation and AI image generation onto a choice of 7.3-, 13.3-, and 31.5-inch displays, with pricing from just $149. Neither feels as grown-up or art-focussed as InkPoster, but it’s clear that the E Ink panels can be made cheaply and could be the start of the next wave of home display tech. Photograph: Chris Haslam/WIRED Smart Paper InkPoster uses a Spectra 6 E Ink panel here, with a Sharp IGZO backplane, running at 2160 x 3060 across 28.5 inches. Its 131 dots per inch doesn’t sound especially sharp compared to the latest OLED panels, but viewed at a normal distance, it’s more than sufficient. Crucially, from a display perspective, the panel isn’t backlit at all. Instead of emitting light, it almost seems to absorb it, which dramatically changes how your eye reads the image.…