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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.:

US 11667843 B1

PDFFull Text
Date of Patent:
Jun. 06, 2023

Filed:

Jan. 09, 2020

Liquid crystal alignment agent composition, method of preparing liquid crystal alignment film, and liquid crystal alignment film, and liquid crystal display using the same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Seongku Kim, Daejeon, KR;

Kichul Koo, Daejeon, KR;

Hoonseo Park, Daejeon, KR;

Jung Ho Jo, Daejeon, KR;

Soonho Kwon, Daejeon, KR;

Assignee:

LG CHEM, LTD., Seoul, KR;

Attorney:

Rothwell, Figg, Ernest & Manbeck, P.C.

Primary Examiner:

Eli D Strah

Int. Cl.
CPC ...
C09K 19/56 (2006.01); C08G 73/10 (2006.01); C09D 179/08 (2006.01); G02F 1/1337 (2006.01);
U.S. Cl.
CPC ...
C09K 19/56 (2013.01); C08G 73/1042 (2013.01); C08G 73/1078 (2013.01); C08G 73/1085 (2013.01); C09D 179/08 (2013.01); G02F 1/13378 (2013.01); G02F 1/133723 (2013.01); B32B 2457/202 (2013.01); C09K 2323/02 (2020.08); C09K 2323/023 (2020.08); C09K 2323/027 (2020.08);
Abstract

The present invention relates to a liquid crystal alignment agent composition including a copolymer for liquid crystal alignment agent containing two types of repeating units classified according to the types of diamine-derived functional groups, and a crosslinker compound in which the protecting group having a specific structure was introduced, a method for preparing a liquid crystal alignment film using the same, and a liquid crystal alignment film and a liquid crystal display device using the same.

Find Patent Forward Citations

Kim, Seongku. (2023). Liquid crystal alignment agent composition, method of preparing liquid crystal alignment film, and liquid crystal alignment film, and liquid crystal display using the same (U.S. Patent No. 11667843). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11667843

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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