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. 28, 2008
Filed:
Mar. 21, 2005
Jung Keun Kim, Seoul, KR;
Hyun Cheol Jeong, Jinju-si, KR;
Kyung Hoon Lee, Seoul, KR;
Chun Gun Park, Seoul, KR;
Jeong Dae Seo, Gwacheon-si, KR;
Jung Keun Kim, Seoul, KR;
Hyun Cheol Jeong, Jinju-si, KR;
Kyung Hoon Lee, Seoul, KR;
Chun Gun Park, Seoul, KR;
Jeong Dae Seo, Gwacheon-si, KR;
LG Display Co., Ltd., Seoul, KR;
Abstract
The present invention provides an organic electroluminescence device, by which high brightness is provided in a manner of forming a hole injection or transport layer using a material that lowers an energy barrier. The present invention includes an organic emitting layer between a cathode and an anode and a hole injection and/or transport layer between the anode and the organic emitting layer, wherein at least one of the hole injection and transport layers has a configuration of Formula 1,