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    • 4. 发明授权
    • Optical electrowetting device
    • 光电润湿装置
    • US08649102B2
    • 2014-02-11
    • US13141480
    • 2009-12-23
    • Bruno BergeNicolas VerplanckMathieu MaillardJulien Legrand
    • Bruno BergeNicolas VerplanckMathieu MaillardJulien Legrand
    • G02B3/14
    • G02B3/14G02B26/005G02B27/646
    • The invention concerns an optical electrowetting device a body comprising at least a first external surface and a second internal surface with a conical shape; a liquid-liquid interface between a first and a second immiscible liquids, the first liquid being a conducting liquid and the second liquid being an insulating liquid, wherein the liquid-liquid interface is able to move on the second internal surface by electrowetting effect; a first electrode in contact with the first liquid; a second electrode insulated from the first liquid by an insulating layer, the second electrode comprising at least a first electrical conductive track to be connected to a voltage source and extending from the first external surface of the body to the second internal surface; and a first layer covering the second internal surface of said body and being covered by the insulating layer, wherein the shape of the liquid-liquid interface is controllable by application of at least a first voltage between the first electrode and the first electrical conductive track, and wherein at least one of the body or the first layer is made of a resistive material.
    • 本发明涉及一种光学电润湿装置,其主体包括至少第一外表面和具有圆锥形形状的第二内表面; 在第一和第二不混溶液体之间的液 - 液界面,第一液体是导电液体,第二液体是绝缘液体,其中液 - 液界面能够通过电润湿作用在第二内表面上移动; 与第一液体接触的第一电极; 通过绝缘层与第一液体绝缘的第二电极,第二电极至少包括要连接到电压源并从主体的第一外表面延伸到第二内表面的第一导电轨道; 以及覆盖所述主体的第二内表面并被绝缘层覆盖的第一层,其中通过在第一电极和第一导电轨道之间施加至少第一电压来控制液 - 液界面的形状, 并且其中所述主体或所述第一层中的至少一个由电阻材料制成。
    • 6. 发明申请
    • OPTICAL ELECTROWETTING DEVICE
    • 光电器件
    • US20120026596A1
    • 2012-02-02
    • US13141480
    • 2009-12-23
    • Bruno BergeNicolas VerplanckMathieu MaillardJulien Legrand
    • Bruno BergeNicolas VerplanckMathieu MaillardJulien Legrand
    • G02B3/12H05K13/00
    • G02B3/14G02B26/005G02B27/646
    • The invention concerns an optical electrowetting device a body comprising at least a first external surface and a second internal surface with a conical shape; a liquid-liquid interface between a first and a second immiscible liquids, the first liquid being a conducting liquid and the second liquid being an insulating liquid, wherein the liquid-liquid interface is able to move on the second internal surface by electrowetting effect; a first electrode in contact with the first liquid; a second electrode insulated from the first liquid by an insulating layer, the second electrode comprising at least a first electrical conductive track to be connected to a voltage source and extending from the first external surface of the body to the second internal surface; and a first layer covering the second internal surface of said body and being covered by the insulating layer, wherein the shape of the liquid-liquid interface is controllable by application of at least a first voltage between the first electrode and the first electrical conductive track, and wherein at least one of the body or the first layer is made of a resistive material.
    • 本发明涉及一种光学电润湿装置,其主体包括至少第一外表面和具有圆锥形形状的第二内表面; 在第一和第二不混溶液体之间的液 - 液界面,第一液体是导电液体,第二液体是绝缘液体,其中液 - 液界面能够通过电润湿作用在第二内表面上移动; 与第一液体接触的第一电极; 通过绝缘层与第一液体绝缘的第二电极,第二电极至少包括要连接到电压源并从主体的第一外表面延伸到第二内表面的第一导电轨道; 以及覆盖所述主体的第二内表面并被绝缘层覆盖的第一层,其中通过在第一电极和第一导电轨道之间施加至少第一电压来控制液 - 液界面的形状, 并且其中所述主体或所述第一层中的至少一个由电阻材料制成。
    • 7. 发明授权
    • Optical electrowetting device
    • 光电润湿装置
    • US07791814B2
    • 2010-09-07
    • US11700171
    • 2007-01-31
    • Gaëtan Liogier D'ardhuyMathieu MaillardJulien LegrandBruno Berge
    • Gaëtan Liogier D'ardhuyMathieu MaillardJulien LegrandBruno Berge
    • G02B1/06
    • G02B3/14G02B26/005
    • The invention relates to an optical electrowetting device comprising a conductive fluid (5; 101) and a non-conductive fluid (4; 102), said fluids being non miscible, and an insulating substrate (2; 103) on which both fluids are in contact and form a triple interface, wherein the natural contact angle (105) of the non-conductive fluid (102) on the substrate (103) in presence of the conductive fluid (101) is comprised between 0° and about 20°. This device may be a variable focus liquid lens, an optical diaphragm, an optical zoom. The invention further relates to an apparatus such as a camera, a cell phone, an endoscope or a dental video camera, comprising said electrowetting device and a driver or electronic means for controlling the lens.
    • 本发明涉及一种光学电润湿装置,其包括导电流体(5; 101)和非导电流体(4; 102),所述流体是不可混溶的,以及绝缘基底(2; 103) 接触并形成三重界面,其中在导电流体(101)存在的情况下,基底(103)上的非导电流体(102)的天然接触角(105)在0°和约20°之间。 该装置可以是可变焦点液体透镜,光学膜片,光学变焦。 本发明还涉及一种诸如照相机,手机,内窥镜或牙科视频摄像机的装置,包括所述电润湿装置和用于控制透镜的驱动器或电子装置。
    • 8. 发明授权
    • Image stabilization circuitry for liquid lens
    • 用于液体透镜的图像稳定电路
    • US08400558B2
    • 2013-03-19
    • US12746934
    • 2008-12-12
    • Bruno BergeMathieu MaillardNicolas Verplanck
    • Bruno BergeMathieu MaillardNicolas Verplanck
    • H04N5/225H04N5/217
    • G02B3/14G02B26/005G02B27/646H04N5/2254H04N5/23248H04N5/23258H04N5/23287
    • A method of controlling a liquid lens in an imaging device, the liquid lens including a liquid-liquid interface between first and second immiscible liquids deformable by electrowetting; a chamber containing the first and second liquids, the first liquid being an insulating liquid and the second liquid being a conducting liquid; and a first electrode in contact with the second liquid and at least one second electrode insulated from the second liquid by an insulating layer, the first and second electrodes being arranged to allow a plurality of voltages levels to be applied between the first and second electrodes to control the curvature of the liquid-liquid interface, the method including: determining motion data representative of a movement of the imaging device; determining focusing data representative of a desired focus of the imaging device; determining the plurality of voltage levels to be applied between the first and second electrodes, wherein each of the voltage levels is a function of the motion data, the focusing data and at least one parameter relating to the liquid lens and preliminary determined in a calibration phase.
    • 一种控制成像装置中的液体透镜的方法,所述液体透镜包括通过电润湿可变形的第一和第二不混溶液之间的液 - 液界面; 包含第一和第二液体的腔室,第一液体是绝缘液体,第二液体是导电液体; 以及与第二液体接触的第一电极和通过绝缘层与第二液体绝缘的至少一个第二电极,第一和第二电极被布置成允许在第一和第二电极之间施加多个电压电平, 控制液 - 液界面的曲率,该方法包括:确定表示成像装置的运动的运动数据; 确定表示所述成像装置的所需焦点的聚焦数据; 确定要在第一和第二电极之间施加的多个电压电平,其中每个电压电平是运动数据,聚焦数据和与液体透镜相关的至少一个参数的函数,并且在校准阶段中初步确定 。