Abstract: The present invention relates to a lens (1), comprising: a first chamber (C1) filled with a first transparent liquid (L1) comprising a first mass density (?1) and a first refractive index (n1), a second chamber (C2) filled with a second transparent liquid (L2) comprising a second mass density (?2) and a second refractive index (n2), and a transparent and elastically deformable first membrane (12) that separates the two chambers (C1, C2) from one another and contacts the first liquid (L1) and the second liquid (L2), wherein said mass densities (?1, ?2) and said refractive indices (n1, n2) are selected such that a gravity-induced coma aberration of the lens (1) is reduced or prevented.

Abstract: The invention relates to an optical device (1) for enhancing the resolution of an image or for reducing speckle noise.

Abstract: The invention relates to an optical device (1), comprising: at least a first lens 100) having an adjustable focal length, wherein the first lens (100) comprises a container (2) that defines a volume (V) which is filled with a transparent fluid (F), and wherein the container (2) comprises a front wall (20), which front wall (20) comprises a transparent membrane (21) that is flexible and stretchable and a transparent lens shaper (22) that is immersed in the fluid (F) and connected to the membrane (21), so that the lens shaper (22) defines a curvature-adjustable area (23) of the membrane (21), and wherein the container (2) comprises a back wall (30) facing the front wall (20), wherein the fluid (F) is arranged between the front wall (20) and the back wall (30), and wherein the back wall (30) forms a lens.

Abstract: An apparatus for deflecting with respect to one or more axes a device mounted on the apparatus, the apparatus comprising: a mounting support; a device chassis defining a plane and a clockwise direction in the plane, wherein the device chassis comprises two or more arm bridges, wherein a first arm bridge is extending from a first side of the device chassis and a second arm bridge is extending from a second and opposite side of the device chassis. One or more arm bridges comprising a first arm extending continuously in a clockwise direction to a first standoff and a second arm extending continuously in an anti-clockwise direction to a second standoff. The apparatus comprising one or more standoff supports comprised between each standoff and the mounting support.

Abstract: The invention relates to an optical device comprising an optical element (10), a motor (5), and a cam (4), wherein the motor (5) is configured to rotate the cam (4) so that the cam (4) interacts with the optical element (10) to adjust a parameter of the optical element (10).

Abstract: The invention relates to a lens having an adjustable optical power comprising a container with a frame structure, wherein the frame structure delimits a lens volume and a reservoir volume at least partially in a lateral direction, wherein the lens volume and the reservoir volume are fluidically connected, a first opening extending through the frame structure, wherein the lens volume is arranged at least partially in the first opening, a bottom structure and an elastically deformable transparent first membrane delimit the lens volume on opposite sides of the first opening, a second opening extending through the frame structure, wherein the reservoir volume is arranged at least partially in the second opening, a further membrane portion delimits the reservoir volume on one side of the second opening, a transparent second membrane separating a first volume filled with a first liquid from a second volume filled with a second liquid, the first volume and the second volume are arranged in the lens volume, and a

Abstract: The invention relates to a near-eye display (1) comprising at least one pixel array (2), wherein the at least one pixel array (2) is planar and comprises a plurality of pixels (3) arranged in a plane, wherein each pixel (3) comprises a central emitter (60) configured to emit light in a controllable fashion, wherein the at least one pixel array (2) comprises an optical assembly (70) configured and adapted to collimate emitted light from each central emitter (60) of the pixel array (2) and to deflect the collimated light (101) from each pixel (3) such that the light emitted (100) from the central emitter (60) of each pixel (3) of the pixel array (2) propagates toward a common center portion (80) of the near-eye display (1). Furthermore, the invention relates to glasses (40) comprising a near-eye display (1) according to the invention.

Abstract: The invention relates to a lens (1) for vision correction, particularly in form of a contact lens, for vision correction, wherein the lens (1) comprises: a transparent base element (10) having a back side (12), and a front side (11) facing away from the back side (12), a transparent and elastically expandable membrane (20) connected to said base element (10), wherein said membrane (20) comprises a back side (22) that faces said front side (11) of the base element (10), a lens shaping member (particularly (30) connected to said the membrane (20)) so that the lens shaping member (30) defines an area (23) of the membrane (20) having an adjustable curvature, and wherein the lens (1) comprises a lens volume (41) adjacent said area (23), and wherein the lens (1) comprises a reservoir volume (42) arranged in a peripheral region (24) of the lens (1), wherein a transparent liquid (50) is arranged in the lens volume and in the reservoir volume, and at least one electro-osmotic pump (70) configured to transfer transpare

Abstract: The invention relates to a near-eye display (1) comprising at least one curved or flat screen (2), comprising a plurality of optical elements (3), each optical element (3) comprising a controllable central emitter (6) configured to emit light; for each central emitter (6), a corresponding collimating optics (7) comprised by the corresponding optical element (3), wherein the corresponding collimating optics (7) has an optical axis (11) and is arranged such with respect to the central emitter (6) that emitted light from the central emitter (6) is collimated and the collimated light propagates particularly parallel to the optical axis (11) of the corresponding collimation optics (7). The invention further relates to a method for displaying an image with the near-eye display (1).

Abstract: 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.

Abstract: The invention relates to an optical device (1) for enhancing the resolution of an image, comprising: a transparent plate member (10) configured for refracting a light beam (20) passing through the plate member (10), which light beam (20) projects an image comprised of rows and columns of pixels (40), a carrier (50) to which said transparent plate member (10) is rigidly mounted, wherein the carrier (50) is configured to be tilted between a first and a second position about a first axis (A), such that the plate member (10) is tilted between the first and the second position about the first axis (A), whereby said projected image (30) is shifted by a fraction (?P) of a pixel, particularly by a half of a pixel, along a first direction (x), and an actuator means (60) that is configured to tilt the carrier (50) and therewith the plate member (10) between the first and the second position about the first axis (A).

Abstract: The invention relates to an optical system (1) comprising: a first focus tunable lens (10), a curved image sensor (30) configured to receive light (L) focused by the first focus tunable lens (10); an optical path (P) extending through the first focus tunable lens and to the curved image sensor; wherein the optical system (1) is configured to tune the focal length of the first focus tunable lens (10) by applying an electrical signal to the first focus tunable lens (10) such that light (L) traversing said optical path (P) is focused onto the image sensor (30).

Abstract: The invention relates to a lens (1) for vision correction, wherein the lens (1) is particularly configured to be placed directly on the surface of an eye (2) of a person, wherein the lens (1) further comprises: a transparent base element (10) having a back side (12), and a front side (11) facing away from the back side (12), a transparent and elastically expandable membrane (20) connected to said base element (10), wherein said membrane (20) comprises a back side (22) that faces said front side (11) of the base element (10), a ring member (30) connected to said back side (22) of the membrane (20) so that the ring member (30) defines a curvature-adjustable area (23) of the membrane (20), and wherein the lens (1) comprises a lens volume (41) adjacent said curvature-adjustable area (23) of the membrane (20), which lens volume (41) is delimited by the ring member (30), and wherein the lens (1) comprises a reservoir volume (42) arranged in a boundary region (24) of the lens (1), wherein said two volumes (41, 42) a

Abstract: The invention relates to an eye training system (1) with the spectacles (10) that comprise at least the following components: A frame member (11) configured to keep the spectacles (10) on the head of a person wearing the spectacles (10), two optical assemblies (12) arranged at the frame member (11), wherein the optical assemblies (12) are arranged such at the frame member (11) that when the spectacles (10) are worn on the head of the person said optical assemblies (12) are in front of the eyes of the person, wherein each optical assembly (12) comprises a focus-tunable lens (13) with an adjustable focal length, a control circuit (22) comprising a processor, wherein the control circuit is configured to control the focal lengths of the focus-tunable lenses (13) in response to data (200) received from an external computer or provided by the processor. The invention further relates to a method and a computer program for performing eye training with the eye training system (1).

Abstract: The invention relates to an optical device (1), comprising: at least a first lens (100) having an adjustable focal length, wherein the first lens (100) comprises a container (2) comprising at least one reservoir volume (90) and a lens volume (91) which are in flow communication via a channel (92) and filled with a transparent fluid (F), and wherein the container (2) comprises a stretchable transparent membrane (21) and a transparent lens shaper (22) that is immersed in the fluid (F) and connected to the membrane (21), so that the lens shaper (22) defines a curvature-adjustable area (23) of the membrane (21), and wherein the container (2) comprises a transparent back wall (30) facing the membrane (21), wherein the fluid (F) is arranged between the membrane (20) and the back wall (30). According to the present invention, the at least one reservoir volume (90) is covered by a wall (21), wherein a plunger (94) for interacting with an actuator part (e.g.

Abstract: The invention relates to a device (1, 2) for pivoting an optical element (10), comprising: an optical element (10), wherein the optical element is movably mounted so that the optical element can be tilted at least about a first axis (A), a magnet (20) extending in an extension direction (Z), wherein the magnet (20) comprises a magnetization (M) aligned with said extension direction (Z), and wherein the magnet (20) comprises a front side (20a), and wherein optical element (10) is rigidly coupled to the magnet (20) or to a first conductor section (30) that faces the front side (20a) of the magnet (20) in the extension direction (Z), wherein the first conductor section (30) extends along the first axis (A), and a current source means (50) electrically connected to the first conductor section (30), which current source means (50) is designed to apply an electrical current (I) to said first conductor section (30), so that a Lorentz force is generated that tilts the optical element (10) about said first axis (A) al

Abstract: 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.

Abstract: The invention relates to an optical device (1) (e.g. for enhancing the resolution of an image), comprising: a transparent plate member (55) configured for refracting a light beam (L) passing through the plate member (55), which light beam (L) projects an image comprised of rows and columns of pixels (40), and a carrier (30) to which said transparent plate member (55) is rigidly mounted, wherein the carrier (30) is configured to be moved between a first and a second state, whereby said projected image (30) is shifted by a fraction (?P) of a pixel, particularly by a half of a pixel, along a first direction (x). According to the invention, the carrier (30) is configured to be multistable (e.g. bistable or tristable), wherein said first and said second state are stable states of the multistable (e.g.

Abstract: The invention relates to a variable focus lens comprising an elastically deformable optical element (7) and a circumferential mechanism (10, 1, 5, 2, 3, 8, 21) to transfer a rotational movement to an axial movement, wherein by using a ball bearing system (9, 11, 12, 13, 15, 16, 17) the mechanism is optimized in a manner to reduce mechanical friction, friction variation and to improve force-direction dependent positioning insensitivity.

Abstract: The invention relates to an optical device for reducing speckle noise of laser light having a first optical element extending along an extension plane, and an actuator designed for moving the first optical element along the extension plane. The actuator is formed as a reluctance actuator that is designed to exert a reluctance force on the first optical element to move the first optical element along the extension plane.