| 发明名称 |
DISPLAY HAVING DIFFRACTION GRATING PATTERN |
| 摘要 |
A display having a diffraction grating pattern includes: (a) a flat substrate; and (b) at least one dot formed on a surface of the flat substrate, the dot being formed by a diffraction grating pattern as an aggregate of a plurality of curves obtained by translating a curve.
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| 申请公布号 |
CA2060057(C) |
申请公布日期 |
1997.12.16 |
| 申请号 |
CA19922060057 |
申请日期 |
1992.01.27 |
| 申请人 |
TOPPAN PRINTING CO. |
发明人 |
IWATA, FUJIO;TODA, TOSHIKI;TAKAHASHI, SUSUMU |
| 分类号 |
G02B5/18;G03H1/30;(IPC1-7):G09F19/12 |
主分类号 |
G02B5/18 |
| 代理机构 |
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