Title:
LIQUID CRYSTAL ALIGNING AGENT, AND LIQUID CRYSTAL DISPLAY ELEMENT USING SAME
Document Type and Number:
WIPO Patent Application WO/2015/080186
Kind Code:
A1
Abstract:
A liquid crystal alignment agent containing an imidized polymer obtained by ring-closing a polyimide precursor having repeating units represented by formula (1), at least a part of the Y in formula (1) having the structure represented by the following formula (2). In formula (1), Y is a divalent organic group derived from a diamine component, X is a tetravalent organic group derived from a tetracarboxylic acid derivative, A1 and A2 are, independently, a hydrogen atom or a C1-10 alkyl group which may have a substituent group, a C2-10 alkenyl group which may have a substituent group, or a C2-10 alkynyl group which may have a substituent group, and R1 is a hydrogen atom or a C1-10 alkyl group.
Inventors:
NIITSU SHIMPEI (JP)
TAKAHASHI MASAFUMI (JP)
TAKAHASHI MASAFUMI (JP)
Application Number:
PCT/JP2014/081327
Publication Date:
June 04, 2015
Filing Date:
November 27, 2014
Export Citation:
Assignee:
NISSAN CHEMICAL IND LTD (JP)
International Classes:
G02F1/1337; C08G73/10
Foreign References:
| JPH11315141A | 1999-11-16 | |||
| JP2001354767A | 2001-12-25 |
Attorney, Agent or Firm:
KURIHARA, Hiroyuki et al. (JP)
Hiroyuki Kurihara (JP)
Hiroyuki Kurihara (JP)
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