Abstract: The present disclosure provides a polarizer including: a first body portion, a second body portion and two third body portions. The polarizer is applied in a touch device, the polarizer is provided with a through hole, and the first body portion and the second body portion are respectively located on two sides of the through hole in a first direction. The first body portion is configured to attach to the pressing portion, and the second body portion is configured attach to the touch region of the touch substrate; and the two third body portions are respectively located on two sides of the first body portion in a second direction, each of the two third body portions connects the first body portion and the second body portion, and the second direction is perpendicular to the first direction.

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: A dual side mirror assembly, of a vehicle, includes a housing pivotally coupled to the vehicle between an unfolded position and a folded position. The housing includes a primary mirror coupled to the housing and a secondary mirror coupled to the housing. In the unfolded position, the primary mirror is in a reflective state and the secondary is in an unreflective state. In the folded position, the primary mirror is in the unreflective state and the secondary mirror is in the reflective state.

Abstract: A wearable device and a method of outputting a virtual image by the wearable device area provided. The wearable device includes a projection type display unit that includes a variable lens and configured to project a light forming an image, a first sensor configured to detect a light reflected from an eye of a user, and a processor configured to control to display the virtual image on the projection type display unit by controlling one of a location of the variable lens and refractive power of the variable lens based on retina image information corresponding to the detected light.

Abstract: This present disclosure is generally directed to an optical isolator array with a magnetic base that allows for mounting and alignment of N number of optical isolators modules within an optical subassembly module. In an embodiment, the magnetic base provides at least one mounting surface for coupling to N number of optical isolators, with N being equal to an optical channel count for the optical subassembly (e.g., 4-channels, 8-channels, and so on). The magnetic base includes an overall width that allows for a desired number of optical isolators to get mounted thereon. Each optical isolator can be uniformly disposed along the same axis on the magnetic base and at a distance D from adjacent optical isolators. An adhesive such as ultraviolet-curing (UV-curing) optical adhesives may be used to secure each optical isolator at a predefined position and increase overall structural integrity.

Abstract: A method for producing a security device (1) comprising a first colour pattern (A) visible along an associated viewing axis (??) and at least one second colour pattern (B) visible along an associated viewing axis (??), comprising the following steps:—assembling an image layer (4) suitable for forming at least one colour pattern (A, B) by laser etching, on a support (3),—laser etching the first colour pattern (A) in the image layer (4), along the associated viewing axis (??) of same, in such a way that it can be seen through a lens array (7),—for each of said at least one second colour pattern (B), laser etching said at least one second colour pattern (A) in the image layer (4), along the associated viewing axis (??) of same, in such a way that it can be seen through a lens array (7). A security device (1) obtained by said method.

Abstract: A method of creating an optimized lens for an eye including positioning a fitting lens onto the eye. The fitting lens may have one or a plurality of indicia. The eye and fitting lens using a computing device. A data set may then be produced, the data set defined by a three-dimensional relationship between the fitting lens and the eye. The computing device or a remotely connected computing device may then analyze the data set to generate one or more modifications to the fitting lens. The computing device or remotely connected computing device may then transmit the data set and the one or more modifications to a printing device to create the optimized lens for the eye.

Abstract: A phase modulation active device and a method of driving the phase modulation active device are provided. The phase modulation active device includes channels independently modulating a phase of incident light. The method includes selecting a first phase value and a second phase value to be used for the channels, setting a binary phase profile by allocating the selected first phase value or the selected second phase value to each of the channels quasi-periodically, in a sequence in which the channels are arranged, and driving the phase modulation active device, based on the set binary phase profile.

Abstract: An ophthalmic apparatus includes: an imaging optical system that includes a light projecting optical system for projecting light to an ACA region of a subject's eye, and a light receiving optical system including a light receiving element for receiving reflected light from the ACA region; an alignment driver configured to change a positional relationship between the subject's eye and the imaging optical system; an imaging processor configured to generate an ACA image based on a signal output from the light receiving element; and a controller configured to detect a feature point in an ACA of the subject's eye from the ACA image, and that adjust the positional relationship in accordance with a position of the feature point in the ACA image.

Abstract: An orthoscopic, apochromatic lens is suitable for deployment such as on aerial platforms provides distortion less than 0.2% over a full field of view of more than 60° with F # less than 6.5 and focal length greater than 3?, and in embodiments greater than 5?. Embodiments are apochromatic from 500 to 950 nm to within 7 microns. Embodiments have an overall length of less than 7?. The lens includes five optical groups with an aperture stop between the second and third groups. The optical groups have one, one, two, one and one optical element each, as ordered from the object to the image plane, and have positive, negative, positive, positive, and negative optical powers, respectively. Embodiments are telephoto. In embodiments the focal length is temperature invariant within 0.0015 inches from 0° C. to 40° C.

Abstract: The present disclosure discloses a camera optical lens. The camera optical lens includes, in an order from an object side to an image side, a first lens, a second lens, a third lens, and a fourth lens. The first lens is made of plastic material, the second lens is made of plastic material, the third lens is made of plastic material, and the fourth lens is made of plastic material. The camera optical lens further satisfies specific conditions.

Abstract: A MEMS package includes a cavity formed within a package body, a semiconductor device disposed within the cavity and including a microelectromechanical systems (MEMS) micro-mirror, a damping fluid disposed within the cavity and at least partially surrounding a portion of the MEMS micro-mirror, and a magnet assembly disposed within the cavity and at least partially surrounded by the damping fluid, the magnet assembly being magnetically coupled with the MEMS micro-mirror.

Abstract: The present invention relates to an apparatus equipped with a depth of field control function for enabling augmented reality, which is capable of controlling the depth of field and focus and also preventing an image from being blurred due to diffraction by using a pseudo-pinhole effect. The apparatus includes: a display unit configured to generate a virtual image; a circular depth of field control unit configured to have a size in a range from 50 to 700 ?m, and also configured to reflect the virtual image generated in the display unit, to increase the depth of field of the virtual image, and to then enable the virtual image to reach an eye of the user; and a frame part configured such that the display unit and the depth of field control unit are installed thereon or therein, and also configured to enable the user to wear the apparatus for enabling augmented reality.

Abstract: A device for determining the distance of an eye of a user from the image capturing device is disclosed. The device includes a lighting device that is arranged at a specified position relative to the image capturing device and is designed to generate at least one specular light reflection, which has a linear portion, on the cornea of the eye of the user. The device also includes an image capturing device designed to capture at least one image of the specular light reflection in the region of the cornea of the at least one eye of the user. A distance determining device is designed to ascertain data relating to the distance between two specified points of the light reflection and the curvature of the at least one linear portion of the light reflection in the captured image and the distance of the eye from the image capturing device.

Abstract: There is provided an imaging lens which is compact and corresponds to wide field of view, and achieves excellent optical performance. An imaging lens comprises in order from an object side to an image side, a first lens having a convex surface facing an image side and positive refractive power, a second lens having a concave surface facing the image side near an optical axis and negative refractive power, a third lens having the convex surface facing the image side and the positive refractive power, and a fourth lens being a meniscus lens having the convex surface facing an object side near the optical axis and having the negative refractive power, wherein said fourth lens is a double-sided aspheric lens and has a pole point at an off-axial position on the image-side surface, and a below conditional expression (1) is satisfied: 0.5<?d/TTL<0.

Abstract: A lens comprises an internal cavity structure formed by dissolution of a soluble insert material. The internal soluble material may dissolve through a body of a lens such as a contact lens in order to form the cavity within the contact lens. The cavity within the lens can be shaped in many ways, and corresponds to the shape of the dissolved material, such that many internal cavity shapes can be readily fabricated within the contact lens. The insert can be placed in a mold with a pre-polymer material, and the pre-polymer material cured with the insert placed in the mold to form the lens body. The polymerized polymer may comprise a low expansion polymer in order to inhibit expansion of the lens when hydrated. The polymer may comprise a hydrogel when hydrated. The soft contact lens material comprises a sufficient amount of cross-linking to provide structure to the lens and shape the cavity.

Abstract: A lens moving apparatus includes a bobbin including a first coil disposed therearound, a first magnet disposed to face the first coil, a housing for supporting the first magnet, upper and lower elastic members each coupled to both the bobbin and the housing, a base disposed to be spaced apart from the housing by a predetermined distance, a second coil disposed to face the first magnet, a printed circuit board on which the second coil is mounted, a plurality of support members, which support the housing such that the housing is movable in second and/or third directions and which connect at least one of the upper and lower elastic members to the printed circuit board, and a conductive member for conductively connecting the upper and lower elastic members.

Abstract: A display device includes a display panel configured to display an image, a phase difference function-provided polarizing plate attached to the display panel, a protection panel disposed to interpose the phase difference function-provided polarizing plate between the display panel and the protection panel, a structural element projecting from a plate surface of the protection pane that is opposite the phase difference function-provided polarizing plate, and a light transmissive fixation layer interposed between and bonding the phase difference function-provided polarizing plate and the protection panel. The structural element and the phase difference function-provided polarizing plate overlap each other by an overlap distance of 1.5 mm or less.

Abstract: Example embodiments disclose a smart contact lens for augmented reality and methods of manufacturing and operating the smart contact lens. The smart contact lens includes a first contact lens, a display unit in a center region of the first contact lens, a peripheral device on the first contact lens and around the display unit, the peripheral device being connected to the display unit, and a passivation layer covering the display unit and the peripheral device. The method of manufacturing the smart contact lens includes forming a display unit; mounting the display unit in a center region of a first contact lens, forming a peripheral device on the first contact lens, around the display unit and in connection with the display unit, and forming a passivation layer to cover the display unit and the peripheral device.

Abstract: A wide-angle camera for a head-mounted device, includes, but is not limited to, a casing, a biconvex plus lens, and a biconcave minus lens. The biconvex plus lens and the biconcave minus lens are arranged in parallel in the casing and the biconcave minus lens is closer to an object space. The bioconcave minus lens is able to move along an axis of the casing to adjust a distance to the bioconvex plus lens. The focal power of a zooming system of the wide-angle camera is set to be a range from ?0.005 to 0.005, an thus the bioconvex plus lens is stationary in the camera, and a movement of the bioconcave minus lens enables the camera to be suitable for the crowds of 500 degree nearsightedness to 500 degree farsightedness.