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. 31, 2020
Filed:
Sep. 06, 2016
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Soon Ho Kwon, Daejeon, KR;
Hee Han, Daejeon, KR;
Jung Ho Jo, Daejeon, KR;
Hang Ah Park, Daejeon, KR;
Jun Young Yoon, Daejeon, KR;
Hyeong Seuk Yun, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1337 (2006.01); C09K 19/54 (2006.01); C08L 79/08 (2006.01); C09K 19/56 (2006.01); C09D 179/08 (2006.01); C08G 73/10 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133723 (2013.01); C08G 73/1078 (2013.01); C08L 79/08 (2013.01); C09D 179/08 (2013.01); C09K 19/542 (2013.01); C09K 19/56 (2013.01); C08L 2203/20 (2013.01); C09K 2019/548 (2013.01); G02F 1/133788 (2013.01);
Abstract
The present invention relates to a method for preparing a photo-alignment layer. The photo-alignment layer prepared by the preparation method exhibits a high imidization ratio as well as an excellent aligning stability of liquid crystal, chemical resistance and strength, and has an excellent afterimage suppressing effect by an AC driving of a liquid crystal display element.