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    • 3. 发明申请
    • LENTILLE A FOCALE VARIABLE
    • 可变焦点镜头
    • WO2006027522A1
    • 2006-03-16
    • PCT/FR2005/050686
    • 2005-08-26
    • VARIOPTICBERGE, BrunoPESEUX, Jérôme
    • BERGE, BrunoPESEUX, Jérôme
    • G02B3/14
    • G02B26/005G02B3/14
    • La présente invention concerne une lentille à focale variable, comportant dans un espace défini entre deux parois (21, 22) en regard orthogonales à l'axe de la lentille, un liquide isolant (31) sur une première (22) des parois, et un liquide conducteur (32), recouvrant le liquide isolant et venant au contact de la seconde paroi (21). La surface (24) de la première paroi (22) présente une mouillabilité élevée pour le liquide isolant et une faible mouillabilité pour le liquide conducteur, et la surface (23) de la seconde paroi (21) présente une mouillabilité élevée pour le liquide conducteur et une faible mouillabilité pour le liquide isolant.
    • 本发明涉及本发明的透镜。 可变焦距,包括在面对正交角的两个壁(21,22)之间限定的空间中; 透镜的轴线,第一壁(22)上的绝缘液体(31)以及覆盖绝缘液体并与第二壁(21)接触的导电液体(32)。 第一壁(22)的表面(24)呈现润湿性。 高绝缘液体和低润湿性和oacute; 用于导电液体,并且第二壁(21)的表面(23)呈现润湿性。 对于导电液体和低润湿性和良好的强度; 用于绝缘液体。
    • 7. 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 。
    • 9. 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。
    • 10. 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。