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. 02, 2022
Filed:
Apr. 23, 2019
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Sehun Kim, Yongin-si, KR;
Dukki Kim, Yongin-si, KR;
Jaekook Ha, Yongin-si, KR;
Jaeyun Kim, Yongin-si, KR;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 51/00 (2006.01); H01L 51/56 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0039 (2013.01); H01L 51/0058 (2013.01); H01L 51/0059 (2013.01); H01L 51/0061 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0007 (2013.01); H01L 51/0028 (2013.01); H01L 51/5012 (2013.01); H01L 51/5064 (2013.01); H01L 51/5072 (2013.01); H01L 51/56 (2013.01);
Abstract
Provided are an organic light-emitting device and a method of manufacturing the same. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer. The organic layer includes a hole transport region between the first electrode and the emission layer. The hole transport region also includes a first compound and a second compound, or includes the first compound and a third compound.