E Ink Corp be acquired by a Taiwanese company for $215 million

The buyer is Prime View International, which has been Cambridge, Mass.-based E Ink's partner in making "electronic ink" displays for Amazon.com Inc. and Sony Corp.

The deal will help the combined company develop color versions of its displays and mass produce them by the end of 2010, said Sriram Peruvemba, E Ink's vice president of marketing. Current models show shades of gray.