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. 17, 2015
Filed:
May. 12, 2011
Applicants:
Annette Steudel, Cambridge, GB;
Richard Owoare, London, GB;
Inventors:
Annette Steudel, Cambridge, GB;
Richard Owoare, London, GB;
Assignees:
Cambridge Display Technology Limited, Cambridgeshire, GB;
Sumitomo Chemical Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 35/24 (2006.01); H01L 51/00 (2006.01); H01L 51/56 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0035 (2013.01); H01L 51/0043 (2013.01); H01L 51/56 (2013.01); H01L 51/0085 (2013.01); H01L 51/5012 (2013.01); H01L 51/5016 (2013.01); H01L 51/5048 (2013.01); H01L 2251/552 (2013.01);
Abstract
Light-emitting and/or charge transporting polymers, methods of making the same, and organic light emitting devices comprising such polymers, the polymers comprising a repeat unit of formula (I):—(Ar)-Sp-CT-Sp-(Ar)—  (I)in which CT represents a conjugated charge-transporting group, each Ar independently represents an optionally substituted aryl or heteroaryl group, q is at least 1, and each Sp independently represents a spacer group forming a break in conjugation between Ar and CT.