Title:
LIQUID-CRYSTAL ALIGNMENT AGENT, LIQUID-CRYSTAL ALIGNMENT FILM, AND LIQUID-CRYSTAL DISPLAY ELEMENT
Document Type and Number:
WIPO Patent Application WO/2013/141262
Kind Code:
A1
Abstract:
Provided are: a liquid-crystal alignment agent that is easy to handle, has excellent coatability, and is capable of forming a liquid-crystal alignment film having photo-alignment properties for vertical alignment; a liquid-crystal alignment film; and a liquid-crystal display element. A liquid-crystal alignment agent characterized in containing at least one polymer selected from the groups consisting of a polyimide precursor having a β-hydroxyester structure, and a polyimide having a β-hydroxyester structure.
Inventors:
ASHIZAWA RYOICHI (JP)
HARADA YOSHIKAZU (JP)
HARADA YOSHIKAZU (JP)
Application Number:
PCT/JP2013/057900
Publication Date:
September 26, 2013
Filing Date:
March 19, 2013
Export Citation:
Assignee:
NISSAN CHEMICAL IND LTD (JP)
International Classes:
G02F1/1337; C07C213/08; C07C219/32; C08G73/10
Domestic Patent References:
| WO2010079637A1 | 2010-07-15 |
Foreign References:
| JP2009520702A | 2009-05-28 | |||
| JP2011100099A | 2011-05-19 | |||
| JPS525725A | 1977-01-17 |
Attorney, Agent or Firm:
SENMYO, Kenji et al. (JP)
Spring name Kenji (JP)
Spring name Kenji (JP)
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