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. 04, 2015
Filed:
Jun. 05, 2014
Applicants:
Cambridge Display Technology, Ltd., Godmanchester, GB;
Sumitomo Chemical Company Limited, Tokyo, JP;
Inventors:
Simon King, Godmanchester, GB;
David Mohamad, Godmanchester, GB;
Assignees:
Cambridge Display Technology, Ltd., Godmanchester, GB;
Sumitomo Chemical Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D 5/12 (2006.01); H01L 51/50 (2006.01); H01L 27/32 (2006.01); H01L 51/00 (2006.01); H01L 51/56 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5004 (2013.01); H01L 27/3209 (2013.01); H01L 51/0003 (2013.01); H01L 51/504 (2013.01); H01L 51/5016 (2013.01); H01L 51/5056 (2013.01); H01L 51/56 (2013.01); H01L 2251/552 (2013.01);
Abstract
An organic light-emitting device comprising an anode; a cathode; a first light-emitting layer between the anode and the cathode; and a second light-emitting layer between the first light-emitting layer and the cathode, wherein: