| 发明名称 |
POLARIZER, ITS MANUFACTURING METHOD, POLARIZING PLATE, OPTICAL FILM, AND IMAGE DISPLAY DEVICE |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polarizer which has excellent optical characteristics without bends and wrinkles, and its manufacturing method. <P>SOLUTION: At least a dyeing process, a drawing process and a boron compound treatment process are executed to a polyvinylalcohol base film to obtain the polarizer. A dimension change rate in a film width direction of the polyvinylalcohol base film is ≤20% when it is immersed in water at 30°C for 20 minutes. <P>COPYRIGHT: (C)2004,JPO |
| 申请公布号 |
JP2004037880(A) |
申请公布日期 |
2004.02.05 |
| 申请号 |
JP20020195428 |
申请日期 |
2002.07.04 |
| 申请人 |
NITTO DENKO CORP |
发明人 |
SAIKI YUJI;HIRAI MARIKO |
| 分类号 |
G02B5/30;C08J7/06;G02F1/1335 |
主分类号 |
G02B5/30 |
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