CAMBRIDGE, United Kingdom, 6th June 2006 - Cambridge Display Technology (CDT) [Nasdaq: OLED] and Toppan Printing, the leading information and communications company of Tokyo, Japan, have produced a number of 5.5 inch full color active matrix polymer OLED (P-OLED) displays using a roll printing method. A demonstrator will be shown at the SID conference in San Francisco. The displays - believed to be the first of their type ever produced - are the result of close co-operation between the two companies and part of their joint development activity announced in February 2005.