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. 29, 2016
Filed:
Apr. 14, 2009
Applicants:
Hee-yeon Kim, Suwon-si, KR;
Seung-gak Yang, Suwon-si, KR;
Jun-han Shin, Suwon-si, KR;
Jae-yong Lee, Suwon-si, KR;
Inventors:
Hee-Yeon Kim, Suwon-si, KR;
Seung-Gak Yang, Suwon-si, KR;
Jun-Han Shin, Suwon-si, KR;
Jae-Yong Lee, Suwon-si, KR;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); C07D 213/22 (2006.01); C09K 11/06 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
C07D 213/22 (2013.01); C09K 11/06 (2013.01); H01L 51/0054 (2013.01); H01L 51/0067 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1029 (2013.01);
Abstract
The invention is directed to bipyridine-based compound and organic light emitting diodes (OLED) including organic layers having the bipyridine-based compound. OLEDs including organic layers having the bipyridine-based compounds can have low driving voltages, high current densities, high efficiencies and long lifetimes.