| 发明名称 |
CIRCULAR POLARIZATION PLATE, LUMINANCE IMPROVEMENT FILM, AND IMAGE DISPLAY DEVICE |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To make a circular polarization plate show a circular polarization characteristic over the whole visible light (wide-band wavelength). <P>SOLUTION: A circular polarization plate is made by laminating a polarization plate (1) and a twist alignment liquid crystal film (2) whose twist angle is 10 to 120°. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
| 申请公布号 |
JP2004309904(A) |
申请公布日期 |
2004.11.04 |
| 申请号 |
JP20030105385 |
申请日期 |
2003.04.09 |
| 申请人 |
NITTO DENKO CORP |
发明人 |
MOTOMURA HIRONORI;KAWAMOTO IKURO |
| 分类号 |
G02B5/30;G02F1/1335;G02F1/13363;H01L51/50;H05B33/02;H05B33/14 |
主分类号 |
G02B5/30 |
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