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    • 10. 发明公开
    • VARIABLE FOCUS LENS
    • 可变焦点镜头
    • EP1754085A1
    • 2007-02-21
    • EP05747233.4
    • 2005-05-18
    • Koninklijke Philips Electronics N.V.
    • HENDRIKS, Bernardus, H., W.KUIPER, Stein
    • G02B3/14
    • G02B3/14G02B26/005
    • Disclosed is a variable focus lens, having an optical axis, comprising: a fluid chamber, the fluid chamber comprising a first fluid and an axially displaced second fluid, the fluids being non-miscible, in contact over a meniscus and having different indices of refraction; a fluid contact layer arranged on the inside of the chamber wall; a first electrode separated from the first fluid and second electrode by the fluid contact layer; a second electrode acting on the second fluid; the fluid contact layer having a wettability by the second fluid which varies under the application of a voltage between the first electrode and the second electrode, such that the shape of the meniscus varies in dependence on said voltage; wherein the fluid chamber is shaped such that an angle formed between the wall of the chamber and the optical axis decreases along the length of the optical axis.
    • 公开了一种具有光轴的可变焦距透镜,包括:流体腔室,所述流体腔室包括第一流体和轴向移位的第二流体,所述流体不可混溶,在弯月面上接触并且具有不同的折射率 ; 布置在室壁内侧的流体接触层; 通过流体接触层与第一流体和第二电极分开的第一电极; 作用在第二流体上的第二电极; 所述流体接触层具有通过在所述第一电极和所述第二电极之间施加电压而变化的所述第二流体的可润湿性,使得所述弯月面的形状根据所述电压而变化; 其中所述流体腔室成形为使得所述腔室的所述壁与所述光轴之间形成的角度沿着所述光轴的长度减小。