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:
Feb. 13, 2018
Filed:
Dec. 01, 2015
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Jeongdae Seo, Incheon, KR;
ChangWook Han, Seoul, KR;
SungHoon Joo, Gyeonggi-do, KR;
Hyoseok Kim, Daejeon, KR;
Hyeseung Kang, Seoul, KR;
Seonkeun Yoo, Gyeonggi-do, KR;
JungSoo Park, Seoul, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/02 (2006.01); H01L 51/00 (2006.01); H01L 27/32 (2006.01); H01L 51/50 (2006.01); C07D 401/10 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 401/10 (2013.01); C09K 11/025 (2013.01); H01L 27/3244 (2013.01); H01L 51/0058 (2013.01); H01L 51/0067 (2013.01); H01L 51/5072 (2013.01); H01L 51/5044 (2013.01); H01L 51/5056 (2013.01); H01L 51/5278 (2013.01); H01L 2251/5315 (2013.01); H01L 2251/5384 (2013.01);
Abstract
An organic light emitting display device is disclosed. The organic light emitting display device comprises an emitting layer over an anode, the light emitting part having an emitting layer and an electron transporting layer, and a cathode on the light emitting part, wherein each of the emitting layer and the electron transporting layer includes a compound with the same core to facilitate electron transport from the electron transporting layer to the emitting layer.