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:
Mar. 26, 2019
Filed:
Nov. 01, 2016
Applicant:
Samsung Display Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventors:
Assignee:
SAMSUNG DISPLAY CO., LTD., Yongin-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/02 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0073 (2013.01); C09K 11/025 (2013.01); H01L 51/0058 (2013.01); H01L 51/0061 (2013.01); H01L 51/0072 (2013.01); H01L 51/0067 (2013.01); H01L 51/508 (2013.01); H01L 51/5012 (2013.01); H01L 51/5072 (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, the emission layer including a first compound; and an electron transport region between the emission layer and the second electrode, the electron transport region including a second compound and a third compound, wherein the first compound is represented by Formula 1, the second compound is represented by Formula 2, and the third compound is represented by Formula 3,