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公开(公告)号：US11194174B2
公开(公告)日：2021-12-07
申请号：US16078137
申请日：2017-02-22
申请人： Adlens LTD
发明人： Robert Edward Stevens , Alex Edginton , Daniel Paul Rhodes , Martyn Francis Kenneally , Simon Peter Horrocks , Benjamin Ian Curnow
摘要： A method of fabricating a lens element for an adjustable power lens of the kind comprising two lens elements that are slidable relative to one other in a direction transverse the optical axis of the lens and have respective lens surfaces that are shaped to act together to form a corrective lens, the power of which varies according to the relative disposition of the two lens elements, the method comprising the steps of forming a lens puck having two opposite faces, which are shaped to form opposite lens surfaces of one of the lens elements of the adjustable power lens, the puck having at least one alignment feature, and thereafter edging the puck to a desired eye shape with reference to the alignment feature.
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公开(公告)号：US20180101028A1
公开(公告)日：2018-04-12
申请号：US15784626
申请日：2017-10-16
申请人： Adlens Ltd.
发明人： Robert Edward Stevens , Alex Edginton , Benjamin Thomas Tristram Holland , Daniel Paul Rhodes , Dijon Pietropinto , Derek Paul Forbes Bean , Roger Brian Minchin Clarke , Peter Lee Crossley , Richard Leefe Douglas Murray , Edwin James Stone
摘要： A deformable membrane assembly comprises an at least partially flexible fluid-filled envelope, one wall of which is formed by an elastic membrane that is held around its edge by a resiliently bendable supporting ring, a fixed support for the envelope and selectively operable means for causing relative movement between the supporting ring and the support for adjusting the pressure of the fluid in the envelope, thereby to cause the membrane to deform. The bending stiffness of the ring varies round the ring such that upon deformation of the membrane the ring bends variably to control the shape of the membrane to a predefined form. The moving means comprise a plurality of ring-engaging members that we arranged to apply a force to the ring at spaced control points. There are at least three control points, and there is a control point at or proximate each point on the ring where the profile of the ring that is needed to produce the predefined form upon deformation of the membrane exhibits a turning point in the direction of the force applied at the control point between two adjacent points where the profile of the ring exhibits an inflection point or a turning point in the opposite direction.
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公开(公告)号：US11966042B2
公开(公告)日：2024-04-23
申请号：US17041994
申请日：2019-03-26
申请人： ADLENS LTD.
CPC分类号： G02B26/004 , G02B3/14 , G02B27/0172 , G02B2027/0127 , G02B2027/0178 , G02C7/085
摘要： An augmented reality display unit for use in an augmented reality headset or the like comprising front and rear variable focusing power compression liquid lens assemblies (220, 230) in mutual optical alignment on an optical axis (O), a transparent waveguide display (240) interposed between the front and rear liquid lens assemblies (220, 230) and a selectively operable adjustment mechanism for adjusting the focusing powers of the front and rear compression liquid lens assemblies (220, 230); wherein each of the front and rear compression liquid lens assemblies (220, 230) comprises a fluid-filled envelope (225, 235) having a first wall formed by a distensible elastic membrane (226, 236) that is held under tension around its edge by a peripheral support ring, a second substantially rigid wall (223, 233) formed by or supported on an inner surface of a transparent plate or a hard lens of fixed focusing power, and a collapsible side wall (227, 237), the membrane forming an optical surface of variable optical power, and the adjustment mechanism being arranged to displace the support ring towards or away from the second wall parallel to the optical axis (O) for increasing or decreasing the pressure of the fluid (228, 238) within the envelope thereby to cause the membrane to distend or contract respectively parallel to the optical axis for changing the focusing power of the optical surface of the membrane (226, 236); wherein the second wall (223) of the front compression liquid lens (220) is formed by or supported on a transparent plate or hard lens (222) which is tilted at a first angle to the optical axis to introduce a first amount of prism to a ray of light passing therethrough, and the second wall (233) of the rear compression liquid lens is formed by or supported on a transparent plate or hard lens (232) which is tilted at a second angle to the optical axis to introduce a second amount of prism to a ray of light passing therethrough, wherein the first and second amounts of prism are mutually substantially equal and opposite.
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公开(公告)号：US09874664B2
公开(公告)日：2018-01-23
申请号：US14764726
申请日：2014-01-30
申请人： Adlens Ltd.
摘要： An actuation mechanism for simultaneous actuation of first and second variable focal length lenses is disclosed. Each lens comprises a distensible membrane bounding a fluid-filled cavity, the focal length varying with the degree of curvature of the membrane as it distends. The actuation mechanism comprises a hydraulic master actuator in fluid communication with a hydraulic slave actuator associated with the first lens and with a hydraulic slave actuator associated with the second lens. Each slave actuator is configured to vary the degree of distension of the membrane of its associated lens in response to operation of the master actuator, whereby the master actuator is operable to cause a variation of the degree of distension of the membranes of both the first and second lenses simultaneously.
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公开(公告)号：US20150116656A1
公开(公告)日：2015-04-30
申请号：US14388751
申请日：2013-03-22
申请人： Adlens Ltd.
发明人： Robert Edward Stevens , Alex Edginton , Benjamin Thomas Tristam Holland , Daniel Paul Rhodes , Dijon Pietropinto
摘要： A deformable membrane assembly 1 comprising a fixed support; a fluid-filled envelope, one wall of which is formed by an elastic membrane 8 that is held under tension around its edge by a flexible membrane supporting member 2, 10, the membrane supporting member being coupled to the fixed support at a plurality of discrete control points 120 round the supporting member by respective engaging members for controlling the position of the membrane edge relative to the fixed support at the control points, and the member being unconstrained between said control points; and a selectively operable pressure adjuster for adjusting the pressure of the fluid within the envelope, thereby to adjust the shape of the membrane; wherein at least three control points are provided which are situated round the membrane edge at spaced locations on the member that are selected to increase the energy of the lowest order out-of-plane bending modes of the supporting member in response to loading through tension in the membrane that do not have a node round the whole supporting member. The invention further provides an article of eyewear comprising a deformable membrane assembly of the types described.
摘要翻译： 一种可变形膜组件1，包括固定支撑件; 流体填充的外壳，其一个壁由弹性膜8形成，弹性膜8由柔性膜支撑构件2,10围绕其边缘保持在张力附近，膜支撑构件以多个离散的方式联接到固定支撑件 控制点120通过相应的接合构件在支撑构件周围环绕，用于在控制点处控制膜边缘相对于固定支撑件的位置，并且构件不受约束在所述控制点之间; 以及用于调节外壳内的流体的压力的选择性可操作的压力调节器，从而调节膜的形状; 其中提供至少三个控制点，所述至少三个控制点在所述构件上的间隔位置处位于所述膜边缘周围，所述间隔位置被选择为响应于所述支撑构件的最小次的平面外弯曲模式的响应于通过张力的载荷而增加能量 该膜在整个支撑构件周围没有节点。 本发明还提供了一种包括所述类型的可变形膜组件的眼镜制品。
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公开(公告)号：US09810923B2
公开(公告)日：2017-11-07
申请号：US14388747
申请日：2012-12-14
申请人： Adlens Ltd.
发明人： Robert Edward Stevens , Alex Edginton , Benjamin Thomas Tristram Holland , Daniel Paul Rhodes , Dijon Pietropinto , Derek Paul Forbes Bean , Roger Brian Minchin Clarke , Peter Lee Crossley , Richard Leefe Douglas Murray , Edwin James Stone
摘要： The present invention provides a deformable membrane assembly 1 comprising an elastic membrane 8 that is held under tension around its edge by a bendable membrane supporting member 2,10, a body of fluid in contact with one face of the membrane, the pressure of the fluid being controllable for adjusting the shape of the membrane, and one or more bending controllers 24 acting on the supporting member 2, 10 to control the bending of the supporting member in response to loading through tension in the membrane. The bending stiffness of the membrane-supporting member 2, 10 varies round its extent to control the profile of the edge of the membrane 8; etc. upon actuation. A variety of different types of bending controllers are disclosed which permit out-of-plane bending of the supporting member 2, 10 but prevent or control in-plane bending or deformation of the supporting member. In some embodiments, the bending controllers permit a degree of controlled in-plane bending of the supporting member 2, 10 in order to control the strain in the membrane 8 upon actuation.
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公开(公告)号：US20150055084A1
公开(公告)日：2015-02-26
申请号：US14388747
申请日：2012-12-14
申请人： Adlens Ltd.
发明人： Robert Edward Stevens , Alex Edginton , Benjamin Thomas Tristam Holland , Daniel Paul Rhodes , Dijon Pietropinto , Derek Paul Forbes Bean , Roger Brian Minchin Clarke , Peter Lee Crossley , Richard Leefe Douglas Murray , Edwin James Stone
摘要： The present invention provides a deformable membrane assembly 1 comprising an elastic membrane 8 that is held under tension around its edge by a bendable membrane supporting member 2,10, a body of fluid in contact with one face of the membrane, the pressure of the fluid being controllable for adjusting the shape of the membrane, and one or more bending controllers 24 acting on the supporting member 2, 10 to control the bending of the supporting member in response to loading through tension in the membrane. The bending stiffness of the membrane-supporting member 2, 10 varies round its extent to control the profile of the edge of the membrane 8; etc. upon actuation. A variety of different types of bending controllers are disclosed which permit out-of-plane bending of the supporting member 2, 10 but prevent or control in-plane bending or deformation of the supporting member. In some embodiments, the bending controllers permit a degree of controlled in-plane bending of the supporting member 2, 10 in order to control the strain in the membrane 8 upon actuation.
摘要翻译： 本发明提供一种可变形膜组件1，其包括弹性膜8，弹性膜8通过可弯曲膜支撑构件2,10保持在其边缘周围的张力，与膜的一个面接触的流体体，流体的压力 可调节膜的形状，以及作用在支撑构件2,10上的一个或多个弯曲控制器24，以响应于通过膜中的张力的负载来控制支撑构件的弯曲。 膜支撑构件2,10的弯曲刚度在其程度上变化以控制膜8的边缘的轮廓; 等等。 公开了各种不同类型的弯曲控制器，其允许支撑构件2,10的平面外弯曲，但是防止或控制支撑构件的面内弯曲或变形。 在一些实施例中，弯曲控制器允许支撑构件2,10受控的面内弯曲程度，以便在致动时控制膜8中的应变。
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公开(公告)号：US20210333572A1
公开(公告)日：2021-10-28
申请号：US17372300
申请日：2021-07-09
申请人： ADLENS LTD
发明人： Robert Edward STEVENS , Alex Edginton , Daniel Paul Rhodes , Marlyn Francis Kenneally , Simon Peter Horrocks , Benjamin Ian Curnow
摘要： A method of fabricating a lens element for an adjustable power lens of the kind comprising two lens elements that are slidable relative to one other in a direction transverse the optical axis of the lens and have respective lens surfaces that are shaped to act together to form a corrective lens, the power of which varies according to the relative disposition of the two lens elements, the method comprising the steps of forming a lens puck having two opposite faces, which are shaped to form opposite lens surfaces of one of the lens elements of the adjustable power lens, the puck having at least one alignment feature, and thereafter edging the puck to a desired eye shape with reference to the alignment feature.
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公开(公告)号：US11994754B2
公开(公告)日：2024-05-28
申请号：US17372300
申请日：2021-07-09
申请人： ADLENS LTD
发明人： Robert Edward Stevens , Alex Edginton , Daniel Paul Rhodes , Martyn Francis Kenneally , Simon Peter Horrocks , Benjamin Ian Curnow
CPC分类号： G02C7/024 , G02C7/081 , G02C13/001
摘要： A method of fabricating a lens element for an adjustable power lens of the kind comprising two lens elements that are slidable relative to one other in a direction transverse the optical axis of the lens and have respective lens surfaces that are shaped to act together to form a corrective lens, the power of which varies according to the relative disposition of the two lens elements, the method comprising the steps of forming a lens puck having two opposite faces, which are shaped to form opposite lens surfaces of one of the lens elements of the adjustable power lens, the puck having at least one alignment feature, and thereafter edging the puck to a desired eye shape with reference to the alignment feature.
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