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. 23, 2016
Filed:
May. 31, 2013
Lg Chem, Ltd., Seoul, KR;
Mun Kyu Joo, Daejeon, KR;
Minsoo Kang, Daejeon, KR;
Jeamin Moon, Daejeon, KR;
Yun Hye Hahm, Daejeon, KR;
Seongsu Jang, Daejeon, KR;
Jina You, Daejeon, KR;
Jaein Lee, Daejeon, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
The present specification discloses an organic electroluminescent device including: an anode; a cathode; and two or more light emitting units provided between the anode and the cathode and including a light emitting layer, in which a light emitting unit among the light emitting units, which is the most associated with the cathode, includes a first n-type organic material layer provided on the cathode side of the light emitting layer, and a first p-type organic material layer is provided between the light emitting unit among the light emitting units, which is the most associated with the cathode, and the cathode.