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:
Sep. 17, 2019
Filed:
May. 16, 2017
Applicant:
Samsung Display Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventor:
Heun Seung Lee, Yongin-si, KR;
Assignee:
SAMSUNG DISPLAY CO., LTD., Yongin-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); H01L 51/50 (2006.01); H01L 27/32 (2006.01);
U.S. Cl.
CPC ...
H01L 51/005 (2013.01); H01L 51/0072 (2013.01); H01L 51/508 (2013.01); H01L 27/3248 (2013.01); H01L 27/3262 (2013.01); H01L 27/3276 (2013.01); H01L 51/5056 (2013.01); H01L 51/5076 (2013.01); H01L 51/5092 (2013.01);
Abstract
An organic light emitting display device includes: an anode electrode; a cathode electrode; an emitting layer disposed between the anode electrode and the cathode electrode; and an electron transport layer disposed between the cathode electrode and the emitting layer, the electron transport layer including a p-type dopant.