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:
Sep. 15, 2015
Filed:
Mar. 18, 2013
Applicants:
Cambridge Display Technology Limited, Cambridgeshire, GB;
Sumitomo Chemical Co. Limited, Tokyo, JP;
Inventors:
Richard Wilson, Cambridge, GB;
Thomas Pounds, Cambridge, GB;
Natasha M. Conway, Histon, GB;
Ilaria Grizzi, Cambridge, GB;
Antonio Guerrero Castillejo, Madrid, ES;
Assignees:
CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, Cambridgeshire, GB;
SUMITOMO CHEMICAL CO. LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 79/00 (2006.01); C09K 11/06 (2006.01); H01L 51/00 (2006.01); H05B 33/14 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5036 (2013.01); C09K 11/06 (2013.01); H01L 51/0043 (2013.01); H01L 51/0085 (2013.01); H05B 33/14 (2013.01); C09K 2211/14 (2013.01); C09K 2211/185 (2013.01); H01L 51/5016 (2013.01); Y02B 20/181 (2013.01);
Abstract
A white light emitting material comprising a polymer having an emitting polymer chain and at least one emitting end capping group.