Title:
逆分散性位相差フィルム及びそれを用いた液晶表示装置
Document Type and Number:
Japanese Patent JP5178551
Kind Code:
B2
Abstract:
A reverse dispersion retardation film, formed by stretching a film comprising a norbornene-based ring-opening copolymer containing a structural unit (A) represented by the following general formula (1):
[in the formula (1), m represents an integer of any one of 0 and 1, R 1 represents a hydrogen atom or the like, X 1 represents a group represented by a formula: -CH 2 CH 2 - or the like, a and b each independently represent an integer of 0 to 6, Y represents a methylene group or the like, and Z represents a methylene group or the like] and a structural unit (B) represented by the following general formula (2) :
[in the formula (2), n represents an integer of any one of 0 and 1, X 2 represents a group represented by a formula: -CH 2 CH 2 - or the like, R 2 , R 3 , R 4 , and R 5 each represent a hydrogen atom or the like, wavy lines d and e each represent a configuration of any one of an endo and an exo, and a wavy line f represents a configuration of any one of an endo and an exto], wherein a total amount of the structural unit (A) and an exo-form structural unit, in which the wavy line f represents the exo configuration, among the structural units (B) is not less than 20 mol% but not more than 65 mol% of all the structural units.
Inventors:
Tadahiro Kamisashi
Shinichi Komatsu
Soji Koji
Go Koike
Kawahama Sayako
Shinichi Komatsu
Soji Koji
Go Koike
Kawahama Sayako
Application Number:
JP2009013115A
Publication Date:
April 10, 2013
Filing Date:
January 23, 2009
Export Citation:
Assignee:
jx Nikko Nisseki Energy Co., Ltd.
International Classes:
G02B5/30; C08G61/08; C08J5/18; G02F1/13363
Domestic Patent References:
| JP2008222663A | ||||
| JP2006189474A | ||||
| JP200852119A |
Attorney, Agent or Firm:
Patent Business Corporation St. Crest International Patent Office
Noriaki Nagahama
Noriaki Nagahama