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. 06, 2018
Filed:
Oct. 05, 2012
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Minseung Chun, Daejeon, KR;
Jungi Jang, Daejeon, KR;
Changhwan Shin, Daejeon, KR;
Seong So Kim, Paju-si, KR;
Hyungjin Lee, Daejeon, KR;
Sang Young Jeon, Daejeon, KR;
Chang Hwan Kim, Daejeon, KR;
Dong Sik Kim, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); C09K 11/06 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); H01L 51/0058 (2013.01); H01L 51/0071 (2013.01); H01L 51/0077 (2013.01); H01L 51/0052 (2013.01); H01L 51/50 (2013.01);
Abstract
The present invention provides an organic light emitting device comprising a first electrode, a second electrode, and one or more organic material layers disposed between the first electrode and the second electrode, and having an excellent life-span property by changing a dipole moment of a compound comprised in the organic material layers.