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:
Mar. 18, 2014
Filed:
Sep. 10, 2010
Applicants:
Ji-eun Kim, Daejeon, KR;
Kong-kyeom Kim, Daejeon, KR;
Se-hwan Son, Daejeon, KR;
Jun-gi Jang, Daejeon, KR;
Inventors:
Ji-Eun Kim, Daejeon, KR;
Kong-Kyeom Kim, Daejeon, KR;
Se-Hwan Son, Daejeon, KR;
Jun-Gi Jang, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a novel heterocyclic derivative and an organic light emitting device using the compound, and the heterocyclic derivative may largely improve a life span, efficiency, electrochemical stability and thermal stability of the organic light emitting device.
Kim, Ji-Eun. (2014). Heterocyclic derivative and organic light emitting device using same (U.S. Patent No. 8673460). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8673460
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile