| 发明名称 |
DIFFUSING PLATE HAVING MICROLENS ARRAY |
| 摘要 |
A diffusing plate includes a microlens array in which a plurality of microlenses are arranged, wherein the microlenses have such a shape that a curvature of a sectional shape including a center line of the microlenses varies depending on a direction of the center line, and wherein microlenses that are different in the direction of a center line where the curvature of the outline is largest are arranged. |
| 申请公布号 |
US2014376095(A1) |
申请公布日期 |
2014.12.25 |
| 申请号 |
US201414309759 |
申请日期 |
2014.06.19 |
| 申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
Koyama Masatsugu;Kojima Makoto;Enokida Yukiya;Okura Yukinobu;Tanaka Masato |
| 分类号 |
G02B5/02 |
主分类号 |
G02B5/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A diffusing plate comprising:
a microlens array in which a plurality of microlenses are arranged, wherein the microlenses have such a shape that a curvature of a sectional shape including a center line of the microlenses varies depending on a direction of the center line, and wherein microlenses that are different in the direction of a center line where the curvature of the sectional shape is largest are arranged. |
| 地址 |
Tokyo JP |
