Title:
液晶配向剤、液晶配向膜及びそれを用いた液晶表示素子
Document Type and Number:
Japanese Patent JP7400728
Kind Code:
B2
Abstract:
Provided is a liquid crystal aligning agent that: is capable of yielding a liquid crystal alignment film having good liquid crystal aligning properties; and has an increased sensitivity margin. The liquid crystal aligning agent is characterized by containing at least one polymer selected from the group consisting of: polyamic acids obtained by reacting a diamine component, containing a diamine having a structure represented by formula [1] below, with a tetracarboxylic acid dianhydride component; and polyimides obtained by imidizing said polyamic acids. (In formula [1], A1 and A2 are each independently a monocyclic group or condensed ring group optionally comprising a substituent, and A1 and A2 are not simultaneously monocyclic groups. X1 and X2 are each independently a single bond, an oxygen atom, or a sulfur atom. Q is an alkylene group comprising 1 or 2 carbon atoms. M and n are each independently integers from 1 to 3.)
Inventors:
Tatsuya Naoki
Takahiro Suga
Ryotaro Konishi
Takahiro Suga
Ryotaro Konishi
Application Number:
JP2020553300A
Publication Date:
December 19, 2023
Filing Date:
October 17, 2019
Export Citation:
Assignee:
Nissan Chemical Co., Ltd.
International Classes:
G02F1/1337
Domestic Patent References:
| JP2017198975A | ||||
| JP4840137B2 | ||||
| JP2010070537A | ||||
| JP2014527555A |
Foreign References:
| CN108165281A |
Attorney, Agent or Firm:
Patent Attorney Corporation T.S. Partners
Toshiharu Ogawa
Kim Wen
Ken Higino
Daiichiro Yokoi
Kenji Izumina
Toshiharu Ogawa
Kim Wen
Ken Higino
Daiichiro Yokoi
Kenji Izumina