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:
Dec. 05, 2017
Filed:
May. 12, 2016
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/08 (2006.01); H01L 21/00 (2006.01); H01L 51/50 (2006.01); H01L 27/32 (2006.01); H01L 27/12 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5064 (2013.01); H01L 27/3248 (2013.01); H01L 27/3262 (2013.01); H01L 51/5004 (2013.01); H01L 51/5056 (2013.01); H01L 51/5096 (2013.01); H01L 27/1214 (2013.01); H01L 51/0061 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/0081 (2013.01); H01L 51/0085 (2013.01); H01L 51/0087 (2013.01); H01L 51/5016 (2013.01); H01L 2251/552 (2013.01); H01L 2251/558 (2013.01);
Abstract
An organic light emitting element according to an exemplary embodiment of the present invention includes a first electrode; a second electrode; an emission layer between the first electrode and the second electrode; and a hole auxiliary layer between the first electrode and the emission layer. The hole auxiliary layer includes at least one hole blocking layer and at least one hole transport layer contacting the hole blocking layer, and a thickness of the hole auxiliary layer is in a range of 140 angstroms to 220 angstroms.