Two outfits, SiPix Imaging and Bridgestone, are working on electrophoretic displays that are similar to E Ink's.

FORBES: Magazine Article

But the technology is still improving, notes Mike McCreary, vice-president of research and advanced development at E Ink, a pioneer of electrophoretic displays based in Cambridge, Massachusetts.

ECONOMIST: REPORTS

Electrophoretic displays work in a different way, using a form of electronic ink that has been under development since the 1970s.

ECONOMIST: Electronic screens as thin as paper are coming soon