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. 03, 2019
Filed:
Apr. 03, 2018
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Jina You, Daejeon, KR;
Min Choon Park, Daejeon, KR;
Jeamin Moon, Daejeon, KR;
Mun Kyu Joo, Daejeon, KR;
Assignee:
LG DISPLAY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); C09K 11/02 (2006.01); H01L 27/32 (2006.01); H01L 51/00 (2006.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5076 (2013.01); C09K 11/025 (2013.01); H01L 27/3244 (2013.01); H01L 51/006 (2013.01); H01L 51/0052 (2013.01); H01L 51/0059 (2013.01); H01L 51/0072 (2013.01); H01L 51/0085 (2013.01); H01L 51/0097 (2013.01); H01L 51/5004 (2013.01); H01L 51/508 (2013.01); H01L 51/5016 (2013.01); H01L 51/5278 (2013.01); H01L 2251/5338 (2013.01); H01L 2251/552 (2013.01); H01L 2251/558 (2013.01);
Abstract
The present application describes an organic light emitting device including a first layer, a second layer, and a third layer between a cathode and a light emitting layer or between light emitting units, in which the first layer includes an n-type organic material or metal oxide, the second layer includes a barrier material, and the third layer includes an n-type dopant.