发明名称 |
MICRO-OPTICAL DEVICE, SPATIAL OPTICAL MODULATOR AND PROJECTOR UTILIZING THE MICRO-OPTICAL DEVICE |
摘要 |
<p>A micro-optical device includes a plurality of minute optical elements each having a curved surface operable to condense incident light. The minute optical elements are arranged at constant intervals. The curved surface is expressed by two or more F values. Each of the minute optical elements is a transmission lens element having the curved surface including a substantially flat part at a center of the transmission lens element, wherein the curved surface is convex or concave.</p> |
申请公布号 |
EP1889099(A4) |
申请公布日期 |
2010.06.30 |
申请号 |
EP20050816752 |
申请日期 |
2005.12.08 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
OSAKA, TAKANOBU;TAKAURA, ATSUSHI;FUJITA, KAZUHIRO;MIYAGAKI, KAZUYA |
分类号 |
G02B5/10;G02B3/00;G03B21/00 |
主分类号 |
G02B5/10 |
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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