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:
Aug. 18, 2009
Filed:
Mar. 21, 2005
Applicants:
Kyung Hoon Lee, Seoul, KR;
Jeong Dae Seo, Gwacheon-si, KR;
Hyun Cheol Jeong, Jinju-si, KR;
Chun Gun Park, Seoul, KR;
Jung Keun Kim, Seoul, KR;
Sung Kab Kim, Seoul, KR;
Inventors:
Kyung Hoon Lee, Seoul, KR;
Jeong Dae Seo, Gwacheon-si, KR;
Hyun Cheol Jeong, Jinju-si, KR;
Chun Gun Park, Seoul, KR;
Jung Keun Kim, Seoul, KR;
Sung Kab Kim, Seoul, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); H05B 33/14 (2006.01); C09K 11/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
An organic electroluminescence device is disclosed, to realize improvement of luminance and decrease on driving voltage, which includes an anode, a hole injecting layer, a hole transport layer, an emitting layer, and a cathode, wherein, the hole injecting layer and the hole transport layer are formed of the material expressed by the following chemical formula 1: