| 发明名称 |
LENS WITH DIFFERENT LAYERS AND LED UNIT USING THE SAME |
| 摘要 |
A lens includes a first optical layer, a second optical layer covering the first optical layer and a third optical layer covering the second optical layer. The first optical layer has a light refractive index larger than that of the second optical layer. The second optical layer has a light refractive index larger than that of the third optical layer. |
| 申请公布号 |
US2015016118(A1) |
申请公布日期 |
2015.01.15 |
| 申请号 |
US201314010549 |
申请日期 |
2013.08.27 |
| 申请人 |
HON HAI PRECISION INDUSTRY CO.,LTD. |
发明人 |
WANG HE LI-YING |
| 分类号 |
F21V5/04;F21K99/00 |
主分类号 |
F21V5/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A lens comprising:
a first optical layer comprising a first light incident face and a first light emerging face opposite to the first light incident face; and a second optical layer receiving the first optical layer therein, the second optical layer comprising a second light incident face connecting the first light emerging face of the first optical layer, and a second light emerging face opposite to the second light incident face; wherein the second optical layer has a light refractive index less than that of the first optical layer. |
| 地址 |
New Taipei TW |
