发明名称 |
Optical lens and vehicle lighting device using the same |
摘要 |
An optical lens for use in a vehicle light can be compact and less expensive and has an outer appearance that has a high commercial value and achieves a high light utilization efficiency. The optical lens can include a light incident surface that receives light from a light source and a light output surface to output the light. The light incident surface can include a center light incident surface formed at its center and being convex toward the light source with a plurality of prisms with a polygonal shape formed radially from its center to its periphery. The light output surface can include a toroidal surface corresponding to the center light incident surface and a surrounding light output surface corresponding to the prisms.
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申请公布号 |
US8469567(B2) |
申请公布日期 |
2013.06.25 |
申请号 |
US20100686461 |
申请日期 |
2010.01.13 |
申请人 |
FUTAMI TAKASHI;STANLEY ELECTRIC CO., LTD. |
发明人 |
FUTAMI TAKASHI |
分类号 |
F21V9/00 |
主分类号 |
F21V9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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