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    • 8. 发明授权
    • Variable focus point lens
    • 可变焦点镜头
    • US08238032B2
    • 2012-08-07
    • US12708561
    • 2010-02-19
    • John Joseph Ellis-MonaghanJeffrey Peter GambinoKirk David PetersonJed Hickory Rankin
    • John Joseph Ellis-MonaghanJeffrey Peter GambinoKirk David PetersonJed Hickory Rankin
    • G02B3/12
    • G02B3/14
    • A variable focal point lens includes a transparent tank, which comprises a transparent enclosure containing a transparent flexible membrane separating the inner volume of the transparent tank into an upper tank portion and a lower tank portion. The upper tank portion and the lower tank portion contain liquids having different indices of refraction. The transparent flexible membrane is electrostatically displaced to change the thicknesses of the first tank portion and the second tank portion in the path of the light, thereby shifting the focal point of the lens axially and/or laterally. The electrostatic displacement of the membrane may be effected by a fixed charge in the membrane and an array of enclosure-side conductive structures on the transparent enclosure, or an array of membrane-side conductive structures on the transparent membrane and an array of enclosure-side conductive structures.
    • 可变焦点透镜包括透明容器,透明容器包括透明的外壳,该透明外壳包含将透明容器的内部容积分隔成上部容器部分和下部容器部分的透明柔性膜。 上罐部分和下罐部分含有不同折射率的液体。 透明柔性膜被静电移位以改变光路中的第一罐部分和第二罐部分的厚度,从而轴向和/或横向地移动透镜的焦点。 膜的静电位移可以通过膜中的固定电荷和透明外壳上的封闭侧导电结构阵列,或透明膜上的膜侧导电结构阵列和外壳侧阵列 导电结构。