Title:
偏光子の製造方法
Document Type and Number:
Japanese Patent JP4070000
Kind Code:
B2
Abstract:
To provide a method for manufacturing a polarizer comprising a polyvinylalcohol film dyed with iodine and uniaxially stretched in an aqueous solution of boric acid, by which a drying process can be easily carried out without decreasing optical characteristics.
The method for manufacturing a polarizer features that an unstretched polyvinylalcohol film is subjected to dyeing with iodine, then to uniaxial stretching in an aqueous solution of boric acid, to impregnation treatment with iodine ion and further to immersion treatment in an alcohol liquid.
COPYRIGHT: (C)2003,JPO
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Inventors:
Seiichi Kusumoto
Naofumi Mihara
Yuji Suiki
Yoichiro Sugino
Kondo Senri
Masada Mamoru
Naofumi Mihara
Yuji Suiki
Yoichiro Sugino
Kondo Senri
Masada Mamoru
Application Number:
JP2002074203A
Publication Date:
April 02, 2008
Filing Date:
March 18, 2002
Export Citation:
Assignee:
NITTO DENKO CORPORATION
International Classes:
G02B5/30; C08J7/02; G02F1/1335; H01J29/89; H01L51/50; H05B33/02; H05B33/14; C08L29/04
Domestic Patent References:
| JP9230136A | ||||
| JP259336A |
Attorney, Agent or Firm:
Patent Business Corporation Unias International Patent Office
Koichi Kajisaki
Yuzo Ozaki
Toshihiko Taniguchi
Koichi Kajisaki
Yuzo Ozaki
Toshihiko Taniguchi