| 摘要 |
The invention relates to a variable-focus lens comprising two opposing walls ( 21, 22 ) which are which define a space containing an isolating liquid ( 31 ) on the first wall ( 22 ) and a conductive liquid ( 32 ) which covers the isolating liquid and which comes into contact with the second wall ( 21 ). The surface ( 24 ) of the first wall ( 22 ) has high wettability for the isolating liquid and low wettability for the conductive liquid, while the surface ( 23 ) of the second wall ( 21 ) has high wettability for the conductive liquid and low wettability for the isolating liquid.
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