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. 19, 2019
Filed:
Mar. 06, 2013
Applicant:
Doosan Corporation, Seoul, KR;
Inventors:
Hyung Chan Bae, Yongin-si, KR;
Young Mi Beak, Yongin-si, KR;
Tae Hyung Kim, Yongin-si, KR;
Ho Cheol Park, Suwon-si, KR;
Chang Jun Lee, Ansan-si, KR;
Jin Young Shin, Yongin-si, KR;
Assignee:
DOOSAN CORPORATION, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); C09K 11/06 (2006.01); H01L 51/00 (2006.01); C07D 487/04 (2006.01); C07D 235/06 (2006.01); C07D 235/18 (2006.01); C07D 249/18 (2006.01); C07D 261/20 (2006.01); C07D 498/04 (2006.01); C07D 277/64 (2006.01); C07D 277/66 (2006.01); C07D 513/04 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 235/06 (2013.01); C07D 235/18 (2013.01); C07D 249/18 (2013.01); C07D 261/20 (2013.01); C07D 277/64 (2013.01); C07D 277/66 (2013.01); C07D 487/04 (2013.01); C07D 498/04 (2013.01); C07D 513/04 (2013.01); C09K 11/06 (2013.01); H01L 51/0067 (2013.01); H01L 51/0071 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1033 (2013.01); C09K 2211/1037 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/1048 (2013.01); C09K 2211/1051 (2013.01); C09K 2211/1059 (2013.01); C09K 2211/1074 (2013.01); H01L 51/0085 (2013.01); H01L 51/5012 (2013.01); H01L 51/5016 (2013.01); H01L 51/5056 (2013.01); H01L 51/5088 (2013.01);
Abstract
Disclosed is a novel benzimidazole compound having excellent hole injection and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which comprises the benzimidazole compound in one or more organic material layers thereof so as to thereby achieve enhanced characteristics, such as light-emitting efficiency, driving voltage, and lifespan.