发明名称 |
PLANAR ILLUMINATING DEVICE |
摘要 |
A planar illuminating device includes a number of light sources and an optical sheet positioned at a side of the light sources. The optical sheet includes an incident surface facing the light sources and an emergent surface opposite to the incident surface. The incident surface includes a number of protruding prism structures. The emergent surface includes a number of concave diffusing micro-structures. |
申请公布号 |
US2013100657(A1) |
申请公布日期 |
2013.04.25 |
申请号 |
US201113300647 |
申请日期 |
2011.11.20 |
申请人 |
LOUH SEI-PING;HON HAI PRECISION INDUSTRY CO., LTD. |
发明人 |
LOUH SEI-PING |
分类号 |
F21S4/00;F21V7/00 |
主分类号 |
F21S4/00 |
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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