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    • 3. 发明申请
    • OPTICAL ELECTROWETTING DEVICE
    • 光学润湿装置
    • WO2010073127A3
    • 2010-08-19
    • PCT/IB2009008014
    • 2009-12-23
    • VARIOPTIC SABERGE BRUNOVERPLANCK NICOLASMAILLARD MATHIEULEGRAND JULIEN
    • BERGE BRUNOVERPLANCK NICOLASMAILLARD MATHIEULEGRAND JULIEN
    • G02B3/14G02B26/02G02B27/64
    • 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,其包括至少第一外表面和具有圆锥形状的第二内表面; 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效应在第二内表面上移动; 与第一液体接触的第一电极; 通过绝缘层与所述第一液体绝缘的第二电极,所述第二电极包括至少第一导电轨道,所述第一导电轨道连接到电压源并且从所述主体的所述第一外表面延伸到所述第二内表面; 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,其中液 - 液界面的形状可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, 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。
    • 4. 发明申请
    • IMAGE STABILIZATION CIRCUITRY FOR LIQUID LENS
    • 图像稳定电路用于液晶镜头
    • WO2009074684A1
    • 2009-06-18
    • PCT/EP2008/067464
    • 2008-12-12
    • VARIOPTICBERGE, BrunoMAILLARD, MathieuVERPLANCK, Nicolas
    • BERGE, BrunoMAILLARD, MathieuVERPLANCK, Nicolas
    • G02B3/14G02B26/02G02B27/64
    • 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 。
    • 6. 发明申请
    • FLAT CAMERA MODULE
    • 平面相机模块
    • WO2008037660A1
    • 2008-04-03
    • PCT/EP2007/060019
    • 2007-09-21
    • VARIOPTICBERGE, BrunoTALLARON, NicolasCRAEN, Pierre
    • BERGE, BrunoTALLARON, NicolasCRAEN, Pierre
    • H04N5/225
    • H04N5/2254G02B13/0035G02B13/004G02B13/0065G02B17/08
    • The invention concerns a camera module mounted on a flat support surface (306, 606, 934) comprising an image sensor (302) comprising a rectangular image zone (304) in which an image is captured and a lens arrangement (307) arranged to form an image on the image zone of the image sensor, said lens arrangement having an optical axis (Δ) parallel to said flat support surface and comprising a plurality of lenses (308 to 310), said plurality of lenses comprising a lens (308) closest to said image sensor, said lens having an edge of a non-uniform diameter in a plane perpendicular to said optical axis, wherein the diameter of at least one part of said edge is larger than a minimum value required such that image points can be formed at opposite corners of the image zone, said plurality of lenses are of a size that is limited in a first dimension such that they fit between parallel planes that are parallel to the optical axis and separated by a distance smaller than said minimum value, and said first dimension is in a direction perpendicular to said flat support surface.
    • 本发明涉及安装在平坦支撑表面(306,606,934)上的相机模块,包括图像传感器(302),该图像传感器包括其中捕获图像的矩形图像区域(304),以及布置成形成 在所述图像传感器的图像区域上的图像,所述透镜装置具有平行于所述平坦支撑表面的光轴(α),并且包括多个透镜(308至310),所述多个透镜包括最接近的透镜(308) 所述透镜在与所述光轴垂直的平面中具有不均匀直径的边缘,其中所述边缘的至少一部分的直径大于所需的最小值,使得能够形成图像点 在图像区域的相对的拐角处,所述多个透镜的尺寸被限制在第一尺寸上,使得它们适合于平行于光轴并平行于所述最小值的距离的平行平面之间,并且所述 第一尺寸在垂直于所述平坦支撑表面的方向上。
    • 7. 发明申请
    • ELECTRONICALLY CONTROLLED FOCUSING OPHTHALMIC DEVICE
    • 电子控制聚焦光学器件
    • WO2011067391A1
    • 2011-06-09
    • PCT/EP2010/068878
    • 2010-12-03
    • VARIOPTICBERGE, Bruno
    • BERGE, Bruno
    • G02C7/08G02B3/14
    • G02B3/14A61B3/10G02C7/085
    • According to a first aspect, the invention relates to an electrically controlled focusing ophthalmic device (43) to be worn by a user, comprising: - at least one active liquid lens comprising a liquid/liquid interface movable by electrowetting under the application of a voltage, - a driver for applying a DC voltage to said active liquid lens, the amplitude of the voltage to be applied being a function of the desired focusing; - a sensor (41) for detecting eyelid closing events and/or microsaccades of the user; - a controller for synchronizing said sensor and the driver, such that the driver may reverse the polarization of the DC voltage during a microsaccade and/or an eyelid closing event of the user.
    • 根据第一方面,本发明涉及一种由用户佩戴的电控聚焦眼镜装置(43),包括: - 至少一个活性液体透镜,包括可在施加电压下通过电润湿移动的液体/液体界面 , - 用于向所述活性液体透镜施加DC电压的驱动器,所施加的电压的幅度是所需聚焦的函数; - 用于检测眼睑关闭事件和/或用户的微视野的传感器(41) - 用于使所述传感器和所述驱动器同步的控制器,使得所述驱动器可在用户的微存储和/或眼睑关闭事件期间反转所述DC电压的偏振。
    • 8. 发明申请
    • LIQUID LENS WITH FOUR LIQUIDS
    • 液体镜片与四液体
    • WO2008015164A1
    • 2008-02-07
    • PCT/EP2007/057747
    • 2007-07-27
    • VARIOPTICBERGE, BrunoCRAEN, PierreLECLERC, Christophe
    • BERGE, BrunoCRAEN, PierreLECLERC, Christophe
    • G02B1/06G02B3/14
    • G02B3/14G02B26/004G02B26/005
    • The invention concerns a variable focus liquid lens (400) comprising a structure forming first and second chambers, an optical path through said lens passing through both chambers, said first chamber containing a first insulating liquid (401) and a first conducting liquid (402), said first liquids being immiscible and forming a single refractive interface (406) and said second chamber containing a second insulating liquid (404) and a second conducting liquid (403), said second liquids being immiscible and forming a single refractive interface (408), the curvature of the refractive interfaces between the first and second liquids being variable by electrowetting by application of voltages to a plurality of electrodes, wherein the first and second chambers are separated by a partition (413) traversing said optical path, said partition being transparent in the region of said optical path, and comprising a first electrode (416, 422) of said plurality of electrodes arranged to contact one of said first and second conducting liquids.
    • 本发明涉及一种包括形成第一和第二室的结构的可变焦距液体透镜(400),穿过所述透镜的光路穿过两个室,所述第一室包含第一绝缘液体(401)和第一导电液体(402) 所述第一液体是不混溶的并且形成单个折射界面(406),所述第二腔室包含第二绝缘液体(404)和第二导电液体(403),所述第二液体是不混溶的并形成单个折射界面(408) 通过向多个电极施加电压,第一和第二液体之间的折射界面的曲率可通过电润湿而变化,其中第一和第二腔室通过穿过所述光路的分隔物(413)分隔开,所述隔板是透明的 在所述光路的区域中,并且包括布置成接触其中之一的所述多个电极的第一电极(416,422) 第一和第二导电液体。
    • 9. 发明申请
    • ADJUSTABLE LIQUID OPTICAL DIAPHRAGM
    • 可调节液体光学膜
    • WO2007068761A1
    • 2007-06-21
    • PCT/EP2006/069817
    • 2006-12-18
    • VARIOPTICBERGE, Bruno
    • BERGE, Bruno
    • H04N5/225G02B26/02
    • H04N5/2254G02B5/005H04N5/23212
    • The invention concerns an adjustable optical diaphragm having an optical axis, comprising first and second immiscible liquids movable with respect to one another by an electrowetting phenomenon under an applied voltage, the first liquid being substantially opaque and the second liquid being substantially transparent, the diaphragm comprising a chamber with an inner surface and containing an annular volume of the first liquid in contact with the inner surface, centered on the optical axis and contacting the second liquid at an interface, the interface having a radially inner perimeter and a radially outer perimeter, the inner and outer perimeters contacting the inner surface, wherein one of the inner and the outer perimeters is movable with respect to the inner surface by a change in said applied voltage and the other of the inner and outer perimeters is fixed or at least immovable with respect to the inner surface.
    • 本发明涉及一种具有光轴的可调节光学膜片,其包括通过在施加电压下的电润湿现象相对于彼此可移动的第一和第二不混溶液体,第一液体基本上不透明,第二液体基本上是透明的, 具有内表面并且包含与所述内表面接触的所述第一液体的环形容积的腔室,所述第一液体以所述光轴为中心并且在界面处接触所述第二液体,所述界面具有径向内周边和径向外周边, 所述内外表面接触所述内表面,其中所述内周和所述外周边之一可通过所述施加电压的变化而相对于所述内表面移动,并且所述内周和外周的另一个相对于所述外周边的固定或至少不可移动 到内表面。
    • 10. 发明申请
    • METHOD AND DEVICE FOR CONTROLLING A VARIABLE FOCAL LENGTH LIQUID LENS
    • 用于控制可变焦距长度液体镜头的方法和装置
    • WO2006103281A1
    • 2006-10-05
    • PCT/EP2006/061205
    • 2006-03-30
    • VARIOPTICTALLARON, NicolasCRAEN, PierreBERGE, Bruno
    • TALLARON, NicolasCRAEN, PierreBERGE, Bruno
    • G02B26/02
    • G02B26/005G02B3/14
    • The present invention concerns a method for controlling a variable focal length lens (10) comprising a dioptre (28) capable of being deformed by variation of the electro-wetting characteristics by application of a control voltage (V), wherein a focal length value corresponds to a given control voltage in the steady state, said method comprising: - applying, during a transition between the application of a first control voltage (V 1 ) corresponding to a first focal length value (f 1 ) and a second control voltage (V 2 ) corresponding to a second focal length value (f 2 ), a control voltage which is different from the first and second control voltages and changes according to a given profile that depends on the first and second control voltages.
    • 本发明涉及一种用于控制可变焦距透镜(10)的方法,该可变焦距透镜(10)包括能够通过施加控制电压(V)通过改变电润湿特性而变形的屈光度(28),其中焦距值对应于 在稳定状态下的给定控制电压,所述方法包括: - 在施加与第一焦距值(f 1)之间的转变期间, > 1 )和对应于第二焦距值(f 2/2)的第二控制电压(V SUB 2)),控制电压不同于 第一和第二控制电压和根据取决于第一和第二控制电压的给定轮廓而改变。