| 发明名称 |
OPTICAL ELEMENT COMPRISING A FRESNEL STRUCTURE, AND DISPLAY DEVICE COMPRISING SUCH AN OPTICAL ELEMENT |
| 摘要 |
The invention relates to an optical element comprising a Fresnel structure (21) having a plurality of Fresnel segments (27), each Fresnel segment (27) having an optically active facet (28), the shape of which facet is part of a predetermined surface, said predetermined surfaces of the optically active facets (28) differing in terms of their curvature. |
| 申请公布号 |
WO2015011287(A1) |
申请公布日期 |
2015.01.29 |
| 申请号 |
WO2014EP66111 |
申请日期 |
2014.07.25 |
| 申请人 |
CARL ZEISS AG |
发明人 |
MENKE, CHRISTOPH;SINGER, WOLFGANG;KERWIEN, NORBERT;SCHMIDT, EDUARD |
| 分类号 |
G02B3/08;G02B5/09;G02B27/01 |
主分类号 |
G02B3/08 |
| 代理机构 |
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代理人 |
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