Optotune Ag

Optotune Switzerland Ag

Magic Leap, Inc.

Optotune Consumer Ag

Roman Patscheider

Manuel Aschwanden

David Niederer

Christopher Laning

Stephan Smolka

Pit Gebbers

Marcel Suter

Daniel Borer

Michael Bueeler

Chris Laning

Michael Anthony Klug

Clinton Carlisle

Timothy Mark Dalrymple

David Tinch

Jason Donald Mareno

Michael Büeler

Bach Nguyen

Arno Leon Konings

Charles Robert Schabacker

Markus Geissner

David Leuenberger

Christopher Peter Couste

Erik Hebestreit

Johannes Haase

Wolfgang Zesch

Chauncey Gratzel

Mark Ventura

Michael Zihlmann

Alan Cortizo

Jochen Hotzel

Marta Vidiella Del Blanco

Aaron Gerratt

David Stadler

Alexandre Larmagnac

Matthias Walser

Anja Stobbe-Kreemers

Chauncey Grätzel

The invention relates to an arrangement for a tunable lens, which comprises a deformable lens shaping element () with a central axis () and a radial axis () and with a perimetrical edge () that extends about the central axis () and wherein the perimetrical edge () is designed to interact and mechanically deform a membrane of the tunable lens in order to change at least one optical property of the tunable lens. The arrangement further comprises a moveable adjustment element (), which is mechanically coupled to the lens shaping element () by a bearing, wherein the bearing limits an axial translational degree of freedom (), such that an axial force is transmittable between the lens shaping element () and the adjustment element () parallel to the central axis () and wherein the bearing provides a radial rotational degree of freedom () for a relative rotation between the lens shaping element () and the adjustment element () about the radial axis ().

Arrangement for a tunable lens

The present invention relates to a method for producing at least one optical component (), comprising the steps of: a) Providing at least one cavity (), wherein the at least one cavity () is delimited on a first side by a surface () of a first membrane portion (), wherein a shape of the first membrane portion () is adjustable; b) Filling a material () into the at least one cavity () for forming at least one optical component (), such that the material () contacts a surface () of the first membrane portion (); c) Adjusting the shape of the first membrane portion (); d) Curing the material () filled into the at least one cavity () so that the material () forms a first interface (e.g. a first optical surface) () of the at least one optical component (), which first interface () comprises a shape defined by a shape of the surface () of the first membrane portion ().

Rapid prototyping of optical components, particularly lenses, for producing customized optical surface shapes

Tunable lens () comprising a fluidic volume (), a flexible membrane () and a shaping element (), wherein the membrane () delimits the fluidic volume () on one side, the shaping element () is attached to the membrane (), the shaping element () surrounds an optically active region of the membrane, the shaping element () is arranged to alter optical properties of the tunable lens () by deflection, in top view the shaping element () has a non-circular contour (), wherein the contour () extends within an imaginary circumcircle (), and the amount of deflection of the shaping element () is proportional to a lateral distance of the contour () to the circumcircle ().

Tunable lens and method for operating a tunable lens

Tunable optical device comprising an actuator, a transmission element, a mount and an optical component, wherein the optical component comprises a window member and a ring member, wherein an optical property of the optical component is adjustable by altering the position of the ring member with respect to the window member. The actuator is arranged to generate an actuation force along an axial direction, the transmission element is arranged to transmit the actuation force from the actuator to the optical component, the transmitted actuation force alters the position of the ring member with respect to the window member. The transmission element comprises a bridge portion and a meander portion, wherein the bridge portion couples the ring member to the actuator and the window member is attached to the mount, or the bridge portion couples the window member to the actuator and the ring member is attached to the mount. The meander portion couples the bridge portion to the mount, and a stiffness of the bridge portion is larger than a stiffness of the meander portion along the axial direction, and a stiffness of the meander portion in directions obliquely with respect to the axial direction is larger than the stiffness of the meander portion along the axial direction.

Tunable optical device

The invention relates to an optical device () for enhancing the resolution of an image or for reducing speckle noise.

Optical device for enhancing resolution of an image or for reducing speckle noise

An example head-mounted display device includes a light projector, an optical assembly arranged to direct light from a light projector to a user, and an actuator module. The optical assembly includes a variable focus lens assembly including a rigid refractive component, a shaper ring defining an aperture, and a flexible lens membrane between the shaper ring and the rigid refractive component and covering the aperture. The refractive component, the shaper ring, and the lens membrane are arranged along an axis. The refractive component and the lens membrane define a chamber containing a volume of fluid. The actuator module is configured to adjust an optical power of the variable focus lens by moving the shaper ring relative to the refractive component along the axis, such that a curvature of the lens membrane in the aperture is modified.

Variable focus assemblies

Tunable optical device comprising an optical element, an actuator and a transmission unit, wherein the transmission unit comprises a first fiber, the first fiber is arranged to transmit a tensile force from the actuator to the optical element, and the tensile force result in a change of an optical property of the optical element.

The present invention relates to An optical device (), particularly for an ophthalmic device, comprising: a container () enclosing an internal space () of the container (), wherein the internal space () is filled with a transparent liquid (L), and wherein the container () comprises a transparent bottom () and a transparent and elastically deformable membrane () opposing said bottom () such that the liquid (L) is arranged between the membrane () and the bottom (), a deformable annular lens shaping element () connected to the membrane () so that a circumferential edge () of the lens shaping element () defines a central area () of the membrane () so that light can pass through the container () via the central area () and the bottom (), wherein in a non-deformed state said edge () lies in a plane, and an adjustable spherical power and an adjustable cylindrical power, wherein for adapting the cylindrical power of the optical device (), the lens shaping element () is configured to be bent out of said plane (P).

Shape changing optical device for ophthalmic testing devices

The invention relates to an optical device, comprising: a lens having an adjustable focal length. According to the invention, a light source which is configured to emit light that is affected by said lens and impinges on at least a first photosensitive element, which is designed to generate a first output signal corresponding to the intensity of light impinging on it, wherein the first photosensitive element is configured to measure only a portion of the intensity distribution of said emitted light, and wherein the light source, the lens and the first photosensitive element are configured such that a change of the focal length of said lens changes the intensity distribution of the emitted light that impinges on the first photosensitive element, so that each focal length of the lens is associated to a specific first output signal generated by the first photosensitive element.

Optical device, particularly for tuning the focal length of a lens of the device by means of optical feedback

The invention relates to a lens () having an adjustable focal length, comprising: a container () enclosing an internal space () of the container (), wherein the internal space () is filled with a transparent liquid (L), and wherein the container () comprises a circumferential lateral wall () surrounding said internal space (), wherein the lateral wall () is connected to a transparent cover element () and to a transparent and elastically deformable membrane () such that the liquid (L) is arranged between the membrane () and the cover element (), an annular lens shaper () connected to the membrane () so that an inner circumferential edge () of the lens shaper () defines a central area () of the membrane () and light passing said area () is refracted depending on a curvature of said area (), and an actuator configured to move the lens shaper () towards or away from the cover element () to adjust said curvature of said area () of the lens () and therewith the focal length of the lens (), wherein for moving the lens shaper (), the actuator comprises a coil () integrated into the lateral wall (), wherein the actuator is configured to generate an electrical current in the coil () so that the coil () generates a magnetic field to move the lens shaper ().

Compact liquid lens having an adjustable focal length

The invention relates to a lens, comprising a container () defining a volume (V) which is filled with a transparent liquid (), wherein the container () comprises a transparent and elastically deformable membrane () and a rigid member (), wherein the membrane () and the rigid member () delimit said volume (V), and a lens shaping element () that contacts the membrane () and defines an area () of said membrane (), which area () has an adjustable curvature for adjusting the focal length of the lens (). According to the invention, the lens () is configured to compensate a thermal expansion of the liquid () and/or a change of the refractive index of the liquid () due to an increased temperature of the liquid () in order to reduce an unwanted thermally induced change of the focal length of the lens ().

Temperature drift compensation for liquid lenses

The invention relates to an optical device (), comprising: at least a first lens () having an adjustable focal length, wherein the first lens () comprises a container () comprising at least one reservoir volume () and a lens volume () which are in flow communication via a channel () and filled with a transparent fluid (F), and wherein the container () comprises a stretchable transparent membrane () and a transparent lens shaper () that is immersed in the fluid (F) and connected to the membrane (), so that the lens shaper () defines a curvature-adjustable area () of the membrane (), and wherein the container () comprises a transparent back wall () facing the membrane (), wherein the fluid (F) is arranged between the membrane () and the back wall (). According to the present invention, the at least one reservoir volume () is covered by a wall (), wherein a plunger () for interacting with an actuator part (e.g. an electropermanent magnet ()) is arranged in the at least one reservoir volume () and connected to the wall () so that fluid (F) is pumped from the lens volume () into the at least one reservoir volume () when the plunger () is attracted h the electropermanent magnet () whereby the curvature of the curvature-adjustable area () and therewith said focal length is changed.

Tunable non-round spectacles with immersed lens shaper

The present invention relates to an optical device (), comprising: a container () forming a fluidic lens, the container () comprising a transparent and elastically expandable membrane (), a transparent optical element () facing the membrane (), and a wall member (), wherein the optical element () and the membrane () are connected to the wall member, and wherein said container encloses a volume (V) that is filled with a fluid (F), a lens shaping part () that is in contact with said membrane () for defining a curvature adjustable area () of the membrane (), which area () faces said optical element (), and a circumferential lens barrel () extending in an axial direction, which lens barrel () surrounds an opening () in which at least one rigid lens () is arranged that is held by the lens barrel (), and a voice coil motor () that is designed to move the lens shaping part () along an axial direction (z) with respect to said container (), so as to adjust a curvature of said area () and therewith a focal length of the fluidic lens, wherein the voice coil motor () comprises at least one coil () arranged on a movable part () and a plurality of magnetic structures () arranged on a motor holder (), wherein said movable part () is movably mounted to the motor holder () via a spring structure () so that it can be moved along said axial direction (z), and wherein the lens shaping part () is mounted to said movable part ().

Optical device, particularly camera, particularly comprising autofocus and optical image stabilization

Growing community of inventors

Winterthur, Switzerland

Roman Patscheider