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:
Oct. 10, 2023
Filed:
Nov. 11, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Assignee:
LG CHEM, LTD., Seoul, KR;
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/56 (2006.01); C07D 413/06 (2006.01); C07D 413/14 (2006.01); C07F 7/18 (2006.01); C09D 5/00 (2006.01); C09D 179/08 (2006.01); G02F 1/1337 (2006.01); C07F 7/08 (2006.01);
U.S. Cl.
CPC ...
C09K 19/56 (2013.01); C07D 413/06 (2013.01); C07D 413/14 (2013.01); C07F 7/0816 (2013.01); C07F 7/1804 (2013.01); C09D 5/00 (2013.01); C09D 179/08 (2013.01); G02F 1/133711 (2013.01);
Abstract
The present invention relates to a cross-linking agent compound of which end functional group is substituted with a protection group of a specific structure, a liquid crystal alignment composition comprising the cross-linking agent compound and polymer containing repeat units of polyimide or a precursor thereof, a method of preparing liquid crystal alignment film, a liquid crystal alignment film, and a liquid crystal display using the same.