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:
Jun. 30, 2015
Filed:
Dec. 27, 2013
Applicant:
Samsung Display Co., Ltd., Yongin, Gyeonggi-Do, KR;
Inventors:
Tae-Jin Park, Yongin, KR;
Jung-Min Moon, Yongin, KR;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/08 (2006.01); H01L 35/24 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5064 (2013.01); H01L 51/0067 (2013.01); H01L 51/0072 (2013.01); H01L 51/0047 (2013.01); H01L 51/5052 (2013.01); H01L 51/5056 (2013.01); H01L 51/5068 (2013.01);
Abstract
An organic light-emitting device including a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a first hole transport layer between the first electrode and the emission layer; and a second hole transport layer between the first hole transport layer and the emission layer, wherein the first hole transport layer includes a first compound represented by Formula 1 and the second hole transport layer includes a second compound represented by Formula 2: