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:
Sep. 15, 2020
Filed:
Jun. 08, 2017
Applicant:
Sharp Kabushiki Kaisha, Sakai, Osaka, JP;
Inventors:
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/10 (2006.01); G02F 1/1337 (2006.01); G02F 1/03 (2006.01); G02F 1/1333 (2006.01);
U.S. Cl.
CPC ...
C08G 73/1057 (2013.01); C08G 73/10 (2013.01); G02F 1/0316 (2013.01); G02F 1/1337 (2013.01); G02F 1/133308 (2013.01); G02F 1/133711 (2013.01); B32B 2457/202 (2013.01); Y10T 428/1005 (2015.01); Y10T 428/1023 (2015.01);
Abstract
The present invention provides a liquid crystal display device in which flicker and image sticking caused by long-term use are suppressed. The liquid crystal display device includes, in the following order: a first substrate; a liquid crystal layer; and a second substrate, the liquid crystal display device including an alignment film including a polymer containing a salicylic acid derivative functional group in a side chain on the liquid crystal layer side of at least one of the first substrate and the second substrate, the salicylic acid derivative functional group having a structure represented by the following formula (Z):