| 发明名称 |
Light fixture providing normalized output. |
| 摘要 |
A light fixture providing normalized output. An undirected light source is located in an optical cavity having an optical window. A film with a smooth surface and a structured surface is placed in the optical window with the smooth surface facing the interior of the optical cavity. The structured surface has a plurality of triangular prisms thereon. |
| 申请公布号 |
EP0293182(B1) |
申请公布日期 |
1993.12.15 |
| 申请号 |
EP19880304732 |
申请日期 |
1988.05.25 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
DREYER, JOHN F., JR.C/O MINNESOTA MINING AND;STRAND, NEAL T. C/O MINNESOTA MIN. AND MANUF.COMP. |
| 分类号 |
F21V8/00;F21V3/00;F21V3/02;F21V5/00;F21V5/02;G03B21/132 |
主分类号 |
F21V8/00 |
| 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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