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 JP7093059
Kind Code:
B2
Abstract:
The present invention contains: a polyimide precursor, which is obtained from a tetracarboxylic acid component and a diamine component including a diamine having a specific side-chain structure and a diamine having the structure represented by formula (1); and/or a polyimide polymer being an imidized product of said polyimide precursor (in formula (1), R1 represents a hydrogen atom, an alkyl or fluoroalkyl group having 1-5 carbon atoms, a tert-butoxycarbonyl group, or a monovalent organic group, "*" represents a site that binds to another group, and any hydrogen atom forming the benzene ring may be substituted by a monovalent organic group).
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Inventors:
Gunji Rie
Masataro Daejeon
Tsukasa Fujieda
Masataro Daejeon
Tsukasa Fujieda
Application Number:
JP2019529810A
Publication Date:
June 29, 2022
Filing Date:
July 13, 2018
Export Citation:
Assignee:
Nissan Chemical Co., Ltd.
International Classes:
G02F1/1337; C08G73/10
Domestic Patent References:
| JP2005351924A |
Foreign References:
| WO2017047596A1 | ||||
| WO2014189128A1 |
Attorney, Agent or Firm:
Hiroyuki Kurihara