Updated 03 27 With Clarifications Around Kindle’s PDF Capability And Fujitsu’s E Ink Technology*
There are many approaches to electronic paper, with many companies developing technology in this area. Other technologies being applied to electronic paper include modifications of liquid-crystal displays, electrochromic displays, and the electronic equivalent of an Etch A Sketch at Kyushu University. Advantages of electronic paper include low power usage (power is only drawn when the display is updated), flexibility and better readability than most displays. Electronic ink can be printed on any surface, including walls, billboards, product labels and T-shirts. The ink's flexibility would also make it possible to develop rollable displays for electronic devices.
Updated 03 27 With Clarifications Around Kindle’s PDF Capability And Fujitsu’s E Ink Technology*