The larger the electronic paper display on which the signage project is being run, the more energy necessary to update its contents; also important is the complexity of the image shown. (visionect.com)
Original artwork on paper displayed on a white mat with a gold border. (1stdibs.com)
Flip the phone over and on the back there's a 4.7 - inch electronic paper display with a resolution of 960 x 540. (blog.the-ebook-reader.com)