发明名称 |
Diffusion disk |
摘要 |
The light dispersion disc has a transparent base body with a first surface which is divided into facets, each facet formed by a projection or recess having a second curved surface. The facets have different geometric shapes, heights or depths and/or surface areas and their apices can be positioned along an Archimedean spiral.
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申请公布号 |
EP1517160(A2) |
申请公布日期 |
2005.03.23 |
申请号 |
EP20040018197 |
申请日期 |
2004.07.31 |
申请人 |
SCHOTT AG |
发明人 |
BECKER, RALF;KITTELMANN, RUEDIGER;KUREK, EBERHARD;WAGENER, HARRY;ZIRFAS, ULRICH |
分类号 |
F21V5/04;G02B5/02;(IPC1-7):G02B5/02 |
主分类号 |
F21V5/04 |
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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