Title:
LIQUID CRYSTAL ALIGNING AGENT, LIQUID CRYSTAL ALIGNED FILM, LIQUID CRYSTAL DISPLAY ELEMENT, AND COMPOUND
Document Type and Number:
WIPO Patent Application WO/2023/074390
Kind Code:
A1
Abstract:
A liquid crystal aligning agent that enables obtaining a liquid crystal aligned film with high film strength and suppressed AC afterimage, a liquid crystal aligned film obtained from said liquid crystal aligning agent, and a liquid crystal display element that uses this are provided. This liquid crystal aligning agent contains the component (A) below and the compound (B) represented by formula (1). Component (A) is a polymer component that includes a polymer (A) selected from the group comprising: a polyimide precursor obtained by a polymerization reaction brought about between a diamine component and a tetracarboxylic acid derivative component containing at least one compound selected from the group comprising a tetracarboxylic dianhydride and a derivative thereof; and a polyimide which is an imide compound of said polyimide precursor. [Chemical formula 1] (1) (the definitions of the symbols are as described in the detailed description.) [Chemical formula 2] (EG) (the definitions of the symbols are as described in the detailed description.)
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Inventors:
NAKAI TAKASHI (JP)
YAMAMOTO YUSUKE (JP)
KONISHI REIKU (JP)
YAMAMOTO YUSUKE (JP)
KONISHI REIKU (JP)
Application Number:
PCT/JP2022/038190
Publication Date:
May 04, 2023
Filing Date:
October 13, 2022
Export Citation:
Assignee:
NISSAN CHEMICAL CORP (JP)
International Classes:
G02F1/1337; C08G59/22; C08G59/40
Foreign References:
| US3651098A | 1972-03-21 | |||
| JP2014056236A | 2014-03-27 | |||
| JP2005275360A | 2005-10-06 | |||
| JPH11181282A | 1999-07-06 |
Attorney, Agent or Firm:
T.S. PARTNERS et al. (JP)
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