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Title:
LIQUID CRYSTAL ALIGNING AGENT, LIQUID CRYSTAL ALIGNMENT FILM PRODUCED USING SAME, AND LIQUID CRYSTAL DISPLAY ELEMENT
Document Type and Number:
WIPO Patent Application WO/2011/129414
Kind Code:
A1
Abstract:
Disclosed is a liquid crystal aligning agent which can prevent the occurrence of a whitening phenomenon and a phenomenon of generating a foreign matter on a substrate, enables the production of a liquid crystal alignment film prevented from the reduction in a pretilt angle, and has a good aligning property. Specifically disclosed are: a liquid crystal aligning agent which is characterized by comprising a polyimide that is produced by imidizing a polyamic acid produced by reacting a diamine component with a tetracarboxylic acid dianhydride and a polyol compound that has a tertiary nitrogen atom and a quaternary carbon atom and contains 3 to 15 carbon atoms; a liquid crystal alignment film produced using the composition; and a liquid crystal display element.

Inventors:
MATSUMOTO KINYA (JP)
GOTO KOHEI (JP)
BAE HONGGI (JP)
TSUTSUI KIMIAKI (JP)
Application Number:
JP2011/059309
Publication Date:
October 20, 2011
Filing Date:
April 14, 2011
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Assignee:
NISSAN CHEMICAL IND LTD (JP)
MATSUMOTO KINYA (JP)
GOTO KOHEI (JP)
BAE HONGGI (JP)
TSUTSUI KIMIAKI (JP)
International Classes:
G02F1/1337; C08G73/10
Foreign References:
JPS62283153A1987-12-09
Attorney, Agent or Firm:
SENMYO, Kenji et al. (JP)
Spring name Kenji (JP)
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Claims: