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. 23, 2014
Filed:
Mar. 11, 2013
Applicants:
Samsung Display Co., Ltd., Yongin-si, KR;
Postech Academy-industry Foundation, Pohang-si, KR;
Inventors:
Sun-Hee Lee, Yongin-si, KR;
Won-Jun Song, Yongin-si, KR;
Kwan-Hee Lee, Yongin-si, KR;
Tae-Woo Lee, Pohang-si, KR;
Min-Ho Park, Yongin-si, KR;
Assignees:
Samsung Display Co., Ltd., Yongin-si, KR;
Postech Academy-Industry Foundation, Pohang-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/08 (2006.01); H01L 35/24 (2006.01); H01L 51/00 (2006.01); H01J 1/62 (2006.01); H01L 51/50 (2006.01); H01L 51/40 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5076 (2013.01); H01L 51/508 (2013.01); H01L 51/0085 (2013.01); H01L 2251/308 (2013.01);
Abstract
An organic light-emitting device including: a substrate; a transparent cathode on the substrate; an anode disposed opposite to the cathode; an emission layer between the cathode and the anode; and a first electron transport layer between the cathode and the emission layer and including an imidazole derivative.