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Title:
ALIGNMENT CONTROL FILM
Document Type and Number:
Japanese Patent JP2012181527
Kind Code:
A
Abstract:

To provide an alignment control film having high sensitivity to exposure.

In the alignment control film including polyimide and a precursor of the polyimide, the polyimide and the precursor of the polyimide contain a cyclobutane tetracarboxylic acid dianhydride derivative represented by chemical formula (1) and aromatic diamine as raw materials, and are provided with alignment control power by optical alignment treatment. (Where, at least one of Z1 to Z4 is a substituent represented by -NR2, -SR, -OH, -COR, -(CH2)n-COOR, -CN or -NO2 (R is each independently a hydrogen atom or an alkyl group having 1-4 carbon atoms, and n is an integer of 0-2.), and each of others is a hydrogen atom.)


Inventors:
MATSUMORI MASAKI
TOMIOKA YASUSHI
Application Number:
JP2012042552A
Publication Date:
September 20, 2012
Filing Date:
February 28, 2012
Export Citation:
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Assignee:
JAPAN DISPLAY EAST CO LTD
PANASONIC LIQUID CRYSTAL DISPL
International Classes:
G02F1/1337; C08G73/10; C08J7/00; C07D209/88; C07D219/08; C07D241/46; C07D279/20; C07D307/91; C07D311/82; C07D319/24
Domestic Patent References:
JPH10251513A1998-09-22
JP2005351924A2005-12-22
JP2011076009A2011-04-14
Attorney, Agent or Firm:
特許業務法人はるか国際特許事務所