Title:
光学補償フィルム、及びそれを用いた偏光板及び液晶表示装置
Document Type and Number:
Japanese Patent JP5446871
Kind Code:
B2
Abstract:
The present invention provides an optical compensation film, which has excellent visibility such as light leakage, uneven color tone and front contrast, and can simultaneously realize retardation and wavelength dispersion. The optical compensation film is characterized by containing a cellulose ester, the following polymer (a), and the following compound (b). (a) A polymer produced by copolymerizing an ethylenically unsaturated monomer having in its molecule a partial structure represented by Formula (1) with at least one ethylenically unsaturated monomer. (b) An esterified compound produced by esterifying all or a part of OH groups in a compound (A) having one furanose structure or one pyranose structure, or an esterified compound produced by esterifying all of or a part of OH groups in a compound (B) containing nor less than 2 and not more than 12 structures of at least one of a furanose structure or a pyranose structure.
Inventors:
Takashi Sera
Application Number:
JP2009540017A
Publication Date:
March 19, 2014
Filing Date:
October 27, 2008
Export Citation:
Assignee:
Konica Minolta Co., Ltd.
International Classes:
C08J5/18; C08F220/36; C08F226/10; C08K5/1535; C08K5/1545; C08L1/10; C08L5/00; C08L57/00; G02B5/30; G02F1/13363
Domestic Patent References:
| JP2007138121A | 2007-06-07 | |||
| JP2000212224A | 2000-08-02 |
Foreign References:
| WO2007069490A1 | 2007-06-21 | |||
| WO2008120595A1 | 2008-10-09 | |||
| WO2008120596A1 | 2008-10-09 |
Attorney, Agent or Firm:
Gwangyang International Patent Office