An electronic-ink based writing/drawing and display device employing an addressable display assembly including a layer of electronic ink including a bi-stable non-volatile imaging material. The device includes an integrated circuit structure having a storage element for storing instructions, programs...http://www.google.de/patents/US7946489?utm_source=gb-gplus-sharePatent US7946489 - Electronic-ink based writing/drawing and display device employing an activator module mounted beneath the surface of an electronic-ink display structure
