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:
May. 07, 2013
Filed:
Mar. 01, 2010
Jeong Dae Seo, Gyeonggi-do, KR;
Kyung Hoon Lee, Seoul, KR;
Hee Jung Kim, Seoul, KR;
Chun Gun Park, Seoul, KR;
Hyoung Yun OH, Seoul, KR;
Jeong Dae Seo, Gyeonggi-do, KR;
Kyung Hoon Lee, Seoul, KR;
Hee Jung Kim, Seoul, KR;
Chun Gun Park, Seoul, KR;
Hyoung Yun Oh, Seoul, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
Disclosed is an organic electroluminescent device including a substrate, a first and a second electrode, and an emitting layer formed between the first electrode and the second electrode. The emitting layer includes a plurality of materials which is a blue emitting material using a following chemical formula as dopant. In this case, at least one of Aand Ais selected from a substituted or non-substituted aromatic group, a heterocyclic group, an aliphatic group, and hydrogen.