Title:
POLARIZING PLATE, METHOD FOR PRODUCING THE SAME, OPTICAL FILM, AND IMAGE DISPLAY APPARATUS
Document Type and Number:
Japanese Patent JP2009042457
Kind Code:
A
Abstract:
To provide a polarizing plate having excellent durability in both of moisture resistance and heat resistance, and in which the generation of knick is suppressed as well, and to provide a method for producing the same.
In a polarizing plate, protective films are laminated on both sides of a polarizer via an adhesive. The polarizer comprises a polyvinyl alcohol based resin comprising iodine, and also contains zinc. The protective film comprises a (meta)acrylic based resin at least having a lactone ring structure. The adhesive comprises: a polyvinyl alcohol based resin; a cross-linking agent; and metal compound colloid with the average particle diameter of 1 to 100 nm.
Inventors:
KITAMURA YOSHIAKI
IKEDA TETSURO
IWAMOTO NOBUAKI
IKEDA TETSURO
IWAMOTO NOBUAKI
Application Number:
JP2007206658A
Publication Date:
February 26, 2009
Filing Date:
August 08, 2007
Export Citation:
Assignee:
NITTO DENKO CORP
International Classes:
G02B5/30; G02F1/1335
Domestic Patent References:
| JP2007140092A | 2007-06-07 | |||
| JPH09318814A | 1997-12-12 | |||
| JP2000214323A | 2000-08-04 | |||
| JP2006317747A | 2006-11-24 |
Attorney, Agent or Firm:
Yuzo Ozaki
Koichi Kajisaki
Toshihiko Taniguchi
Koichi Kajisaki
Toshihiko Taniguchi