Books Take Electronic Turn--Alex Hamilton

Inside e-consumables
Electronic inks are conceptually similar. With this technology, the ink carrier contains capsules with dyes and pigments, which are then printed between a pair of electrodes. Depending on the charge (positive or negative), the pixels are turned on or off to render the image. One of the interesting things about electronic inks is that it can be applied to a wide variety of substrates using screen printing equipment.