Title:
LIQUID CRYSTAL ALIGNMENT AGENT, LIQUID CRYSTAL ALIGNMENT FILM, LIQUID CRYSTAL DISPLAY ELEMENT, AND COMPOUND
Document Type and Number:
WIPO Patent Application WO/2023/068085
Kind Code:
A1
Abstract:
Provided are: a liquid crystal alignment agent which can obtain a liquid crystal alignment film having a high film strength, a suppressed AC afterimage, and a high voltage retention rate even after being exposed for a long period of time under high temperature; the liquid crystal alignment film obtained from the liquid crystal alignment agent; and a liquid crystal display element using the same. The liquid crystal alignment agent containing component (A) below and the compound represented by formula (1) below. Component (A): a polymer component containing a polymer (A) selected from the group consisting of: a polyimide precursor obtained by causing a polymer reaction between a diamine component and a tetracarboxylic acid derivative component including at least one compound selected from the group consisting of a tetracarboxylic dianhydride and a derivative thereof; and an imidized product of said polyimide precursor. (The definition of each symbol is as described in the specification.)
Inventors:
KONISHI REIKU (JP)
YUKI TATSUYA (JP)
YUKI TATSUYA (JP)
Application Number:
PCT/JP2022/037650
Publication Date:
April 27, 2023
Filing Date:
October 07, 2022
Export Citation:
Assignee:
NISSAN CHEMICAL CORP (JP)
International Classes:
C07D233/64; G02F1/1337; C07D307/89; C07D493/04; C08G73/10
Domestic Patent References:
| WO2017119461A1 | 2017-07-13 | |||
| WO2011149071A1 | 2011-12-01 | |||
| WO2020184628A1 | 2020-09-17 | |||
| WO2021006182A1 | 2021-01-14 |
Attorney, Agent or Firm:
T.S. PARTNERS et al. (JP)
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