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. 25, 2024
Filed:
Mar. 11, 2020
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Bethy Kim, Daejeon, KR;
Min Hyung Lee, Daejeon, KR;
Young Jee Song, Daejeon, KR;
Seongho Jeon, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/10 (2006.01); C08J 5/18 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
C08G 73/10 (2013.01); C08G 73/1042 (2013.01); C08J 5/18 (2013.01); G02B 1/04 (2013.01);
Abstract
The present invention provides a polyimide copolymer containing repeating units having a specific structure derived from monomers synthesized from an epoxy compound, a method for preparing the polyimide copolymer, a photosensitive resin composition, a photosensitive resin film and an optical device including the same.