| 发明名称 |
Method for manufacturing light guide plate, light guide plate, and light emitting sign using the light guide plate |
| 摘要 |
The present invention reduces generation of unevenness on a surface by adjusting unevenness of a reflection pattern in a case where the reflection pattern is formed by an ultrasonic process.
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| 申请公布号 |
US8549777(B2) |
申请公布日期 |
2013.10.08 |
| 申请号 |
US20080733463 |
申请日期 |
2008.12.12 |
| 申请人 |
INABA TATSUYA;IWANAGA NOBORU;S. K. G. CO., LTD. |
发明人 |
INABA TATSUYA;IWANAGA NOBORU |
| 分类号 |
G09F13/18 |
主分类号 |
G09F13/18 |
| 代理机构 |
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代理人 |
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