| 发明名称 |
OPTICAL FILM |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an optical film applicable to a data input system for hand writing on the display screen with a coordinate detection means, which is reduced in weight and cost and increased in area and reading angle. <P>SOLUTION: This optical film 1 is provided with a pattern-printed layer 3 absorbing infrared or ultraviolet ray on a substrate 9 transmitting visible light but diffusing and reflecting infrared or ultraviolet ray. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
| 申请公布号 |
JP2008209598(A) |
申请公布日期 |
2008.09.11 |
| 申请号 |
JP20070045348 |
申请日期 |
2007.02.26 |
| 申请人 |
DAINIPPON PRINTING CO LTD |
发明人 |
SEKINE KEIKO;NAKAMURA RUNA;MIYAZAKI YUICHI;MAENISHI TOMOKO |
| 分类号 |
G02B5/08;G02B5/02;G02B5/12;G02B5/22;G02B5/26;G02B5/28;G02B5/30;G06F3/041 |
主分类号 |
G02B5/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
