发明名称 |
ELECTRICALLY-CONTROLLED, VARIABLE FOCAL LENGTH H-PDLC OPTICAL IMAGING APPARATUS AND METHOD |
摘要 |
An optical imaging apparatus having a variable focal length is disclosed. A plurality of holographic polymer dispersed liquid crystal ("H-PDLC") lenses are arranged in a stack, each lens having a unique focal length. A controller is configured to program a plurality of voltages applied to the plurality of H-PDLC lenses to achieve a plurality of focal lengths, the plurality of focal lengths higher than the plurality of H-PDLC lenses.
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申请公布号 |
US2009174918(A1) |
申请公布日期 |
2009.07.09 |
申请号 |
US20080971129 |
申请日期 |
2008.01.08 |
申请人 |
OMNIVISION TECHNOLOGIES, INC. |
发明人 |
ZHUANG SONGLIN;ZHENG JIHONG |
分类号 |
G02B5/32 |
主分类号 |
G02B5/32 |
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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