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:
Apr. 19, 2022
Filed:
Mar. 29, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Sungjoon Min, Daejeon, KR;
Jung Ho Jo, Daejeon, KR;
Soonho Kwon, Daejeon, KR;
Hangah Park, Daejeon, KR;
Hyeongseuk Yun, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1337 (2006.01); C08L 79/08 (2006.01); C09K 19/56 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133723 (2013.01); C08L 79/08 (2013.01); C09K 19/56 (2013.01);
Abstract
Provided is a liquid crystal aligning agent composition comprising a hindered amine-based light stabilizer and a polyamic acid polymer derived from a diamine, a method for preparing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display using the same.