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:
Dec. 28, 2021
Filed:
Jul. 23, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Yongbum Cha, Daejeon, KR;
Jin Joo Kim, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 13/72 (2006.01); C09K 11/06 (2006.01); H01L 51/50 (2006.01); C07D 239/24 (2006.01); C07D 251/12 (2006.01);
U.S. Cl.
CPC ...
C07C 13/72 (2013.01); C07D 239/24 (2013.01); C07D 251/12 (2013.01); C09K 11/06 (2013.01); H01L 51/50 (2013.01); C07C 2603/97 (2017.05);
Abstract
The present specification relates to a double spiro structure compound, and an organic light emitting device comprising the same.