The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 09, 2010
Filed:
Feb. 26, 2001
Applicants:
Carl Towns, Essex, GB;
Richard O'dell, Taufkirchen, DE;
Andrea Lux, Jena, DE;
Inventors:
Assignee:
Cambridge Display Technology Limited, Cambridgeshire, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 1/62 (2006.01); H01L 51/00 (2006.01); C09K 11/08 (2006.01); C07D 241/36 (2006.01); C08G 75/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A soluble luminescent polymer comprising a first repeat unit [Ar] and a second repeat unit comprising a unit of general formula (I) which is substituted or unsubstituted: wherein X is RC═CR, S, O or NR; Ar, Arand Arare each independently an aromatic or heteroaromatic group; and each R independently is hydrogen or a substituent group.