发明名称 |
Liquid crystal aperture in a camera |
摘要 |
An electronic aperture comprises first and second polarizers and a liquid crystal layer disposed between the first and second polarizers. The liquid crystal layer comprises a plurality of liquid crystals having an angular orientation that varies as a function of position. In one exemplary embodiment, the angular orientation of the liquid crystals varies as a function of distance from an optical axis.
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申请公布号 |
US7633587(B2) |
申请公布日期 |
2009.12.15 |
申请号 |
US20060406011 |
申请日期 |
2006.04.18 |
申请人 |
SONY ERICSSON MOBILE COMMUNICATIONS AB |
发明人 |
HYATT EDWARD CRAIG |
分类号 |
G02F1/1337;G02F1/00;G02F1/13;G03B7/083;G03B7/093 |
主分类号 |
G02F1/1337 |
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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