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:
May. 01, 2018
Filed:
Dec. 21, 2015
Applicant:
Doosan Corporation, Seoul, KR;
Inventors:
Min-Sik Eum, Seoul, KR;
Ho-Cheol Park, Yongin-si, KR;
Chang Jun Lee, Suwon-si, KR;
Tae Hyung Kim, Yongin-si, KR;
Jiyi Kim, Yongin-si, KR;
Youngmi Beak, Yongin-si, KR;
Assignee:
DOOSAN CORPORATION, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07D 251/24 (2006.01); H01L 51/50 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0067 (2013.01); C07D 251/24 (2013.01); H01L 51/0052 (2013.01); H01L 51/0054 (2013.01); H01L 51/0055 (2013.01); H01L 51/5004 (2013.01); H01L 51/5016 (2013.01); H01L 51/5072 (2013.01); H01L 51/5092 (2013.01); H01L 51/52 (2013.01); H01L 2251/552 (2013.01);
Abstract
The present invention provides an organic electroluminescent element which comprises: an anode; a cathode; and an organic layer interposed between the anode and the cathodes, wherein the organic layer comprises one or more types of layer from the group consisting of a hole-injection layer, hole-transport layer, light-emitting layer, lifetime enhancement layer, electron-transport layer, and electron-injection layer.