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:
Aug. 15, 2017
Filed:
Oct. 30, 2012
Applicants:
Cambridge Display Technology Limited, Cambridgeshire, GB;
Sumitomo Chemical Company Limited, Tokyo, JP;
Inventor:
Helen Middleton, Nottingham, GB;
Assignees:
CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, Cambridgeshire, GB;
SUMITOMO CHEMICAL COMPANY LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C09K 11/06 (2006.01); H05B 33/14 (2006.01); C07D 265/38 (2006.01); H01L 51/56 (2006.01); C09B 19/00 (2006.01); C09B 57/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0069 (2013.01); C07D 265/38 (2013.01); C09B 19/00 (2013.01); C09B 57/008 (2013.01); C09K 11/06 (2013.01); H01L 51/0003 (2013.01); H01L 51/0061 (2013.01); H01L 51/0067 (2013.01); H01L 51/0071 (2013.01); H01L 51/0072 (2013.01); H01L 51/5036 (2013.01); H01L 51/56 (2013.01); H05B 33/14 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1033 (2013.01); H01L 51/5012 (2013.01);
Abstract
An organic light-emitting device comprises an anode, a cathode and a light-emitting layer between the anode and the cathode. The light-emitting layer comprises a compound of formula (I):