Seiko Epson Corp., Japan, and Cambridge Display Technology Ltd. (CDT), U.K., have reached an agreement after several years of joint development to form a joint venture company to offer technologies and services using ink jet deposition for manufacturing light emitting polymer (LEP) displays.      The new company, which is named “Polyink,” will be jointly established by Seiko Epson and CDT to offer a “total solution package” to display makers manufacturing high resolution, active matrix display...