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:
Jun. 10, 2008
Filed:
Oct. 19, 2006
Applicants:
Dae Woong Lee, Daejeon Metropolitan, KR;
Jae Soon Bae, Daejeon Metropolitan, KR;
Dong Hoon Lee, Seoul, KR;
Kong Kyeom Kim, Daejeon Metropolitan, KR;
Inventors:
Dae Woong Lee, Daejeon Metropolitan, KR;
Jae Soon Bae, Daejeon Metropolitan, KR;
Dong Hoon Lee, Seoul, KR;
Kong Kyeom Kim, Daejeon Metropolitan, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 13/54 (2006.01); C07C 13/62 (2006.01); C07C 2/02 (2006.01); C07C 211/54 (2006.01); C07D 213/22 (2006.01); C07D 277/62 (2006.01); C07F 7/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides an indene derivatives having a new structure and an organic light-emitting diode using the same. The organic light-emitting diode according to the present invention shows improved effects in efficiency, driving voltage and stability.