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:
Aug. 11, 2020
Filed:
Apr. 16, 2018
Dic Corporation, Tokyo, JP;
Fumiaki Kodera, Kita-adachi-gun, JP;
Yoshitaka Saito, Kita-adachi-gun, JP;
Hiroshi Hasebe, Kita-adachi-gun, JP;
Masanao Takashima, Kita-adachi-gun, JP;
Shuuhei Yamamoto, Kita-adachi-gun, JP;
Kouzi Satou, Kita-adachi-gun, JP;
Sayaka Nose, Kita-adachi-gun, JP;
Kazuki Obi, Kita-adachi-gun, JP;
Hiroyuki Itou, Kita-adachi-gun, JP;
DIC CORPORATION, Tokyo, JP;
Abstract
A compound and a polymer which can each form a photo-alignment film having excellent ability of controlling alignment, a photo-alignment film obtained using the polymer and an optically anisotropic body and a liquid crystal display element each having the photo-alignment film are provided. A compound represented by the general formula (1). In the formula, P represents a polymerizable group, Z and Zrepresent divalent linking groups, A and Arepresent divalent cyclic groups, and Xto Xeach independently represent a hydrogen atom, a fluorine atom, a chlorine atom, a hydroxy group, a nitro group, a cyano group or an alkyl group having 1 to 40 carbon atoms which may have a substituent, provided that X, X, Xand Xare not simultaneously hydrogen atoms.