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:
Oct. 09, 2018
Filed:
Jul. 22, 2015
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Seonkeun Yoo, Gyeonggi-do, KR;
Sunghoon Joo, Gyeonggi-do, KR;
Jeongdae Seo, Incheon, KR;
Hyoseok Kim, Daejeon, KR;
Hyeseung Kang, Seoul, KR;
Min Yun, Gyeonggi-do, KR;
SeungHee Yoon, Seoul, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); H01L 51/50 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); H01L 51/0052 (2013.01); H01L 51/0054 (2013.01); H01L 51/0058 (2013.01); H01L 51/0067 (2013.01); H01L 51/0068 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/504 (2013.01); H01L 51/5072 (2013.01); H01L 51/5088 (2013.01); H01L 51/5092 (2013.01); H01L 51/5278 (2013.01);
Abstract
An organic light emitting display device is disclosed. The organic light emitting display device includes at least two light emitting parts each including a light emitting layer and an electron transport layers, and at least one charge generation layer between the light emitting parts, wherein at least one among the charge generation layer or the electron transport layer includes a compound having nitrogen atoms and a substituent for enhancing electron mobility.