| 发明名称 |
OPTICAL FILM, METHOD OF MANUFACTURING OPTICAL FILM, LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method of manufacturing an optical film by which the optical film satisfying a relation: 0<Nz<1 can be obtained without adhering a shrinkable film when stretching. <P>SOLUTION: The manufacturing method of the optical film is characterized in that Nz expressed by formula (1):Nz=(nx-nz)/(nx-ny) is in a range: 0<Nz<1 by stretching a cellulose system film whose thickness direction phase difference (Rth)=(nx-nz)×d is between 0nm. <P>COPYRIGHT: (C)2007,JPO&INPIT |
| 申请公布号 |
JP2007093936(A) |
申请公布日期 |
2007.04.12 |
| 申请号 |
JP20050282403 |
申请日期 |
2005.09.28 |
| 申请人 |
NITTO DENKO CORP |
发明人 |
ISHIBASHI KUNIAKI;YOSHIMI HIROYUKI |
| 分类号 |
G02B5/30;B29C55/06;B29K1/00;B29L7/00;B29L11/00;G02F1/13363 |
主分类号 |
G02B5/30 |
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