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| Number | Title | Issue Date |
| 8164835 | Optical systems employing compliant electroactive materials The present invention provides optical systems, devices and methods which utilize one or more electroactive films to adjust an optical parameter of the optical device/system. ... | 04/24/2012 |
| 8154804 | Electro-optic lenses for correction of higher order aberrations A lens is presented in which the lens includes a substrate and an electrode layer. The electrode layer is positioned upon the substrate. The electrode layer has radially alternating rings of electrodes and resistive material. When voltage is applied across two adjac... | 04/10/2012 |
| 8154805 | Variable power optical system Liquid lens cells are used in a variable power optical system. In one embodiment, a stop is located between a first lens group comprising at least a first liquid lens cell and a second lens group comprising at least a second liquid lens cell. In one embodiment, a li... | 04/10/2012 |
| 8149513 | Package structure of liquid lens The invention discloses a package structure of a liquid lens which includes a first substrate and an electrode on the first substrate. The package structure includes a second substrate, a first sleeve, a second sleeve, a first circular member, and a second circular ... | 04/03/2012 |
| 8130449 | Imaging optics with adjustable optical power and method of adjusting an optical power of an optics The invention relates to optics comprising adjustable optical elements and, if desired, lenses of fixed focal lens. By use of an appropriate controller for the adjustable optical elements, characteristics of the optics can be advantageously varied. For this purpose,... | 03/06/2012 |
| 8130450 | Artificial eye and measuring instrument for measuring the accommodation of an eye A liquid lens system comprises a liquid drop 10 whose shape can be influenced by electrical fields. A plurality of electrodes are arranged annularly around the liquid drop. The liquid lens system may be employed in an artificial eye, an accommodation measurin... | 03/06/2012 |
| 8120860 | Conversion lens, conversion lens system, and imaging device A conversion lens which includes a pair of transparent members is provided. At least one of the transparent members is formed of a deformable film; a connecting member for connecting the pair of transparent members so as to form a sealed space sandwiched between the... | 02/21/2012 |
| 8116011 | Membrane deformable optical device having improved actuation An optical device including: at least one deformable membrane; a first support; and actuating unit for loading the membrane to deform it, the membrane being provided with a anchoring zone for anchoring to the support which surrounds a part of the membrane including ... | 02/14/2012 |
| 8111466 | Variable focus microlens A microlens chip comprises a variable focus fluidic microlens and actuator. The actuator varies the pressure in a fluidic channel in the microlens chip which is coupled to an aperture opening containing the microlens. Applying an electric field to the actuator creat... | 02/07/2012 |
| 8031408 | Fluid displacement mechanism A fluid displacement mechanism is disclosed. In an embodiment, first and second cavities are separated by a flexible membrane. The first cavity contains a non-conductive fluid and the second cavity contains a conductive fluid. First and second electrodes are positio... | 10/04/2011 |
| 8027096 | Focus module and components with actuator polymer control A focus module containing a boundary element and a focus element. The focus element includes a fluid and a deformable membrane, with the fluid being entrapped between the boundary element and the deformable membrane. The focus module also includes a pressure element... | 09/27/2011 |
| 8027095 | Control systems for adaptive lens Systems and methods for controlling a fluid lens in a data collection device. One or more micropump control systems are used to control one or more fluid lenses. The micropump control systems are used to change volume and/or pressure within the fluid lens system, ch... | 09/27/2011 |
| 8014076 | Variable focal length lens, camera module, and electronic apparatus A variable focal length lens includes: a lens portion including a pair of light transmissive members, at least one of which is deformable, and a light transmissive liquid medium sealed between the pair of light transmissive members; and a liquid medium container inc... | 09/06/2011 |
| 8004771 | Varifocal lens and method of manufacturing the same Provided is a varifocal lens and method of manufacturing the varifocal lens. The varifocal lens includes a transparent substrate, a spacer frame arranged to form an inner space on the transparent substrate, wherein the inner space is to be filled with an optical flu... | 08/23/2011 |
| 7986466 | Varifocal lens A varifocal lens includes a hollow case having first and second sidewalls facing each other, the first and second sidewalls through which a light passes; at least one light transmission membrane partitioning an inner space of the case into at least two liquid chambe... | 07/26/2011 |
| 7986465 | Systems and methods for effecting zoom and focus using fluidic adaptive lenses Fluidic lens devices, and systems employing such lens devices, along with methods of fabricating and operating such lens devices, are disclosed. Certain of the disclosed structures permit fluidic lens devices to operate without valves that control fluid exchange bet... | 07/26/2011 |
| 7952809 | Lens array A lens array capable of making the characteristics of lens elements uniform is provided. A lens array 10 according to the present invention includes first liquid 11 that is conductive, second liquid 12 that is insulative and that has a refractiv... | 05/31/2011 |
| 7940468 | Variable-focus lens assembly A variable-focus lens assembly is provided. The lens assembly includes a microfluidic device that defines a chamber for receiving a fluid therein. A slip having an aperture therethrough is disposed in the chamber. A first fluid is disposed on the first side of the s... | 05/10/2011 |
| 7936520 | Optical axis orientating device for liquid lens The invention provides an optical axis orientating device for a liquid lens. The optical axis orientating device includes a transparent substrate, a symmetric electrode structure, and an insulating layer. The electrode structure is capable of supplying an electric f... | 05/03/2011 |
| 7898742 | Variable focus microlens A microlens chip comprises a variable focus fluidic microlens and actuator. The actuator varies the pressure in a fluidic channel in the microlens chip which is coupled to an aperture opening containing the microlens. Applying an electric field to the actuator creat... | 03/01/2011 |
| 7889434 | Zoom lens for endoscopic devices A zoom lens for use in endoscopic devices, in which a plurality of lens units is arranged in a lens cylinder perpendicular to the center line thereof. Among the plurality of lens units at least one lens unit may be hydraulically adjustable in the axial direction of ... | 02/15/2011 |
| 7864439 | Linear electrowetting-based actuator Disclosed is an electrowetting-based apparatus comprising, in some embodiments, a plurality of immiscible fluids. The boundary between the fluids is made substantially planar with the application of select voltages to electrodes distributed around the cell containin... | 01/04/2011 |
| 7864440 | Optical lens with variable focal length The invention concerns an optical lens comprising a cavity formed by two transparent windows and a peripheral frame positioned in between, said cavity containing first and second liquids, non miscible, forming an interface, said interface being movable by electrowet... | 01/04/2011 |
| 7855839 | Artificial eye and measuring instrument for measuring the accommodation of an eye A liquid lens system comprises a liquid drop 10 whose shape can be influenced by electrical fields. A plurality of electrodes are arranged annularly around the liquid drop. The liquid lens system may be employed in an artificial eye, an accommodation measuring instr... | 12/21/2010 |
| 7826145 | Fluidic adaptive lens systems with pumping systems The present invention in various embodiments relates to a variety of different types of fluidic adaptive lens systems, pumping systems for implementation in such lens systems, other systems employing such lens systems, and related methods of fabrication. In at least... | 11/02/2010 |
| 7826146 | Sphero cylindrical eye refraction system using fluid focus electrostatically variable lenses Optical devices, systems, and methods can produce and/or measure cylindrical (as well as spherical) lens shapes throughout a range of both powers and cylindrical axes. Fluid focus lenses employ electrical potentials to vary the shape of a fluid/fluid interface betwe... | 11/02/2010 |
| 7791815 | Dielectric coatings for electrowetting applications A dielectric coating is provided which has both a dielectric constant greater than 2.5 and a hydrophobic surface. The dielectric coating may be provided by plasma enhanced chemical vapor deposition (PECVD) of organosilane, organosiloxane, organosilazane, organometal... | 09/07/2010 |
| 7787190 | Optical element and imaging device An optical element includes a first liquid; a second liquid that is immiscible with the first liquid and that has polarity or electrical conductivity; a first substrate portion; a second substrate portion; a sidewall portion; a second electrode disposed on one of th... | 08/31/2010 |
| 7782541 | Variable focus lens having a plurality of protrusions at one end of fluid chamber The present invention relates to a variable focus lens including a fluid chamber containing first and second fluids which are non-miscible and have different refractive indices, the fluid chamber having a plurality of protrusions formed along a circumference of one ... | 08/24/2010 |
| 7773306 | Electrowetting cells An electrowetting cell including an expandable joint between a body section and an end section. Such an expandable joint could include a membrane or a flange-like portion. ... | 08/10/2010 |
| 7768713 | Liquid lens and lens module having same The present disclosure relates to a liquid lens and a lens module having the same. The liquid lens includes an enclosure, an elastic shell and a light pervious liquid. The enclosure has a top wall and defines a through opening in the top wall. The elastic shell is r... | 08/03/2010 |
| 7768712 | Variable focus lens The invention relates to a variable focus lens (10), comprising a rigid ring (22), a flexible membrane (20) attached to the front surface of the ring, a rigid transparent front cover (40), attached to the flexible membrane (50), an... | 08/03/2010 |
| 7724444 | Optical element, optical device, atmosphere provider, optical scanning device, light coupling device, and method of operating interfacial waves An optical element is provided for generating interfacial waves by means of electro wetting. The optical element comprises a fluid chamber with at least one side wall and an optical axis. Furthermore the fluid chamber includes a first fluid (A) and a second fluid (B... | 05/25/2010 |
| 7715107 | Optical element for correction of aberration, and a lithographic apparatus comprising same An optical element for correcting aberrations in an optical apparatus has a casing. The casing is filled with liquid and has a support layer and a cover layer designed to pass light of a predetermined wavelength range. The casing accommodates several actuators. Each... | 05/11/2010 |
| 7684121 | Variable focal length lens and lens module with the same A variable focal length lens includes a deformable lens body and at least one lens deforming device arranged around the lens body configured for radially deforming the lens body so as to adjust an effective focal length associated with the lens body. A lens module w... | 03/23/2010 |
| 7672059 | Fluidic lens with electrostatic actuation An electrostatically actuated fluidic device capable of providing a variable focal length lens is disclosed. The device includes an elastic capacitor section, an elastic lens section in fluid communication with the capacitor section, the elastic lens section being c... | 03/02/2010 |
| 7672060 | Lens unit A lens unit includes a lens having a focal length variable responsive to an applied electrical field, and an electrical connector. The electrical connector is a flexible circuit element that connects the lens to an electrical power supply. ... | 03/02/2010 |
| 7639428 | Optical element and image taking apparatus An optical element including: a container which is light-transmissive at least in a light passage region; a light-transmissive dispersion medium enclosed in the container; a light-transmissive dispersion dispersed in the dispersion medium and having a refractive ind... | 12/29/2009 |
| 7612948 | Controllable optical lens A controllable optical lens system, comprises a chamber housing first and second fluids, the interface between the fluids defining a lens surface. An electrode arrangement controls the shape of the lens surface and has first and second electrodes. A parameter is det... | 11/03/2009 |
| 7605984 | Lens with adjustable focal length A lens device with an adjustable focal length is provided. The lens device includes a non-conductive liquid droplet, which is surrounded by air or immiscible liquids. The non-conductive liquid droplet is placed on a bottom plate. The bottom plate includes a set of f... | 10/20/2009 |
