Title:
LIQUID CRYSTAL ALIGNING AGENT, LIQUID CRYSTAL ALIGNMENT FILM AND LIQUID CRYSTAL DISPLAY ELEMENT
Document Type and Number:
WIPO Patent Application WO/2017/047596
Kind Code:
A1
Abstract:
The present invention provides the following: a photo alignment method-use liquid crystal aligning agent used to obtain a photo alignment method-use liquid crystal alignment film that does not cause bright spots even when negative liquid crystals are used, and that is capable of achieving good after-image characteristics; a liquid crystal alignment film obtained from the liquid crystal aligning agent; and a liquid crystal display element provided with the liquid crystal aligning agent. Provided is the liquid crystal aligning agent which contains a polyimide or polyimide precursor obtained from a reaction between: a tetracarboxylic acid dianhydride represented by formula (1) (in the formula, X1 is as set forth in the present specification) or a derivative thereof; and a diamine component that contains a diamine represented by formula (2) (in the formula, R1, Z1 and n are as set forth in the present specification).
Inventors:
SUZUKI KANAKO (JP)
KAWANO YUTA (JP)
GOTO KOHEI (JP)
KATAYAMA MASAAKI (JP)
KAWANO YUTA (JP)
GOTO KOHEI (JP)
KATAYAMA MASAAKI (JP)
Application Number:
PCT/JP2016/077012
Publication Date:
March 23, 2017
Filing Date:
September 13, 2016
Export Citation:
Assignee:
NISSAN CHEMICAL IND LTD (JP)
International Classes:
G02F1/1337; C08G73/10
Domestic Patent References:
| WO2013157586A1 | 2013-10-24 |
Foreign References:
| JP2005154436A | 2005-06-16 |
Attorney, Agent or Firm:
TSUKUNI & ASSOCIATES et al. (JP)
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