| 发明名称 |
POLYVINYL ALCOHOL-BASED FILM, POLARIZING FILM USING SAME, AND POLARIZING PLATE |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polyvinyl alcohol-based film having a low birefringence and a polarizing film excellent in in-plane uniformity of polarization degree. <P>SOLUTION: The polyvinyl alcohol-based film has a width of not less than 3 m, wherein the in-plane retardation is not more than 30 nm and run-outs of the in-plane retardation in the film width direction are not more than 15 nm. <P>COPYRIGHT: (C)2007,JPO&INPIT |
| 申请公布号 |
JP2007137042(A) |
申请公布日期 |
2007.06.07 |
| 申请号 |
JP20050360803 |
申请日期 |
2005.12.14 |
| 申请人 |
NIPPON SYNTHETIC CHEM IND CO LTD:THE |
发明人 |
ONO HIDEKI;CHIGAMI AKIHIKO;HAYAKAWA SEIICHIRO |
| 分类号 |
B29C41/46;B29C71/02;B29K29/00;B29L7/00;C08J5/18;G02B5/30;G02F1/1335 |
主分类号 |
B29C41/46 |
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