The key technology of ereader based on electrophoretic display

Electronic-paper provides a sharp, high-resolution screen that looks and reads like real paper. This paper introduces electronic paper mechanism,e, panel structure, e-paper controller S1D13521 and its update mode. We also presented our e-reader project and its hardware and software architecture. We also discussed battery-save mode and two EPD driver mode: API mode and framebuffer mode which are the key issues to portable e-reader device.