| 发明名称 |
METHOD FOR MANUFACTURING POLARIZER, POLARIZER, POLARIZING PLATE AND IMAGE DISPLAY DEVICE |
| 摘要 |
<P>PROBLEM TO BE SOLVED: 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. <P>SOLUTION: 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. <P>COPYRIGHT: (C)2003,JPO |
| 申请公布号 |
JP2003270440(A) |
申请公布日期 |
2003.09.25 |
| 申请号 |
JP20020074203 |
申请日期 |
2002.03.18 |
| 申请人 |
NITTO DENKO CORP |
发明人 |
KUSUMOTO SEIICHI;MIHARA HISAFUMI;SAIKI YUJI;SUGINO YOICHIRO;KONDO SENRI;SHODA TAKAMORI |
| 分类号 |
G02B5/30;C08J7/02;G02F1/1335;H01J29/89;H01L51/50;H05B33/02;H05B33/14 |
主分类号 |
G02B5/30 |
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