Abstract: An optical system, including, sequentially from an object side to an image side: a first lens; a second lens; a third lens; an aperture; a fourth lens; a fifth lens; a sixth lens; a seventh lens; an optical filter; and a photosensitive chip. The first lens is a meniscus aspherical lens. The second lens is a meniscus aspherical lens. The third lens is a biconvex aspherical lens. The fourth lens is a meniscus aspherical lens. The fifth lens is a meniscus spherical lens. The sixth lens is a meniscus spherical lens. The seventh lens is a biconvex aspherical lens.

Abstract: Disclosed herein is an imaging lens suitable for a camera module using a high resolution imaging sensor, decreasing a flare phenomenon and reducing the sensitivity. The imaging lens comprises, orderly from the object side, a first lens having positive (+) refractive force; a second lens having negative (?) refractive force; a third lens having positive (+) refractive force; a fourth lens having positive (+) refractive force; and a fifth lens having negative (?) refractive force, wherein an object side plane of the third lens is convexly formed.

Abstract: There is provided an electric lens including a first lens and a second lens adjacent to each other, and a variable-refractive-index body that is held between a lens face of the first lens and a lens face of the second lens mutually having the same curved surface, and changes refractive index according to an externally applied electrical signal. A thickness of the variable-refractive-index body is uniform in at least a portion that transmits a light ray contributing to image formation.

Abstract: A zoom lens system includes: a first lens group having a negative refractive power; a second lens group having a positive refractive power; and an aperture between the first and second lens groups, wherein the first lens group and the second lens group are sequentially arranged from an object side to an image side, wherein the zoom lens system performs zooming and focusing by moving the second and first lens groups, respectively, along an optical axis, and satisfies a conditional expression below: 2.5<(fw/ft)×(Tw/Y)<4.5, where fw denotes an entire focal length at a wide-angle end, ft denotes an entire focal length at a telephoto end, and Tw denotes a distance between an image plane and an object side lens surface of a lens closest to the object side of the first lens group at the wide-angle end, and Y denotes a radical axis image height.

Abstract: An optical element is configured by connecting a plurality of tiles each constituted by a plurality of reflective optical elements, and is formed in a shape having a plane surface. The tiles configuring the optical element are formed such that outer shapes on the plane surface of the tiles have at least two different triangular shapes, while an end surface of each tile is provided with a light shielding part.

Abstract: A projection lens includes, in order from a magnification side to a reduction side, a first lens group having a negative refractive power, a reflector to bend an optical path, a second lens group having a positive refractive power, and an aperture stop disposed within the second lens group. The second lens group has a positive refractive power on the magnification side of the aperture stop, and a negative refractive power on the reduction side of the aperture stop. Conditional formula (A) is satisfied: (A) Ot/Y?<6.1, where Ot is a distance along the optical axis between a maximum-magnification-side surface of the first lens group and a surface of a lens adjacent to a reduction-side surface of the reflector, and Y? is a maximum height of the image displayed on the display surface of the image display element.

Abstract: To provide a projection optical system that can cover a wide range of magnification changes with a focus lens group in which the number of constituted lenses is decreased, and a projector including the projection optical system. A 1-2nd lens group as the focus lens group includes an F1 lens group configured of one positive lens, an F2 lens group configured of one positive lens and one negative lens, and an F3 lens group configured of one negative lens. At least the F2 lens group is caused to move when focusing is performed in response to a magnification change.

Abstract: A beam shaping system is for example for use over an array of light sources. An array of beam shaping units is arranged in a general plane, each beam shaping unit comprising a central refracting area, an intermediate total internal reflection area for processing of light from a light source beneath the central area, and an outer total internal reflection area for processing light from the nearest light source and an adjacent light source. This outer area essentially extends the useful size of the adjacent beam shaping unit to improve the beam shaping performance and/or the optical efficiency.

Abstract: Provided is a microscope system including a motor-driven stage on which is mounted a culture vessel containing one or more cell clusters, each including cells having a target molecule labeled with a fluorescent or luminescent chemical; a low-magnification-image acquiring unit that acquires low-magnification images of the cell clusters in the culture vessel mounted on the stage; a detecting unit that detects the position of each cell cluster in the culture vessel by analyzing the acquired low-magnification images; and a high-magnification-image acquiring unit that, after the detected position is aligned with the optical axis of an objective lens, acquires slice images of fluorescence or luminescence emitted from the cells forming the cell cluster at a higher magnification than the low-magnification-image acquiring unit at intervals along the optical axis while the stage and/or the lens is moved to change stepwise the distance between the lens and the cell cluster.

Abstract: The purpose of the present invention is to detect a fixed number of photons or greater in a short time and to create a super-resolution image having a desired resolution equal to optical resolution or higher.

Abstract: An optical arrangement (10) for imaging a sample (20). The arrangement comprises an illumination objective lens (30) for producing an illumination beam (40) and a detection objective lens (50) for imaging radiation (60) from the sample (20). The illumination objective lens (30) is arranged at a non-perpendicular angle to the detection objective lens (50).

Abstract: A scanning luminescence light microscope for spatial high resolution imaging a structure marked with a luminescent marker comprises a light source for luminescence inhibition light and for further light; a light shaping and aligning device; and a detector registering luminescence light emitted by the luminescent marker. The device, by means of two optical gratings and an objective lens, forms two crossing line gratings of the luminescence inhibition light, and two crossing line gratings of the further light so that local intensity minima of an overall intensity distribution of the luminescence inhibition light are delimited in at least two directions, and that local intensity maxima or local intensity minima of an overall intensity distribution of the further light coincide with the local intensity minima of the luminescence inhibition light. Further, the device moves the overall intensity distributions of the further light and the luminescence inhibition light to scan the structure.

Abstract: A sheet illumination microscope includes an observation optical system and an illumination optical system configured to illuminate a sample from a direction perpendicular to an observation optical axis of the observation optical system. The illumination optical system includes a first optical system configured to emit a flux that has a prescribed sectional shape and that does not have a light intensity distribution within a prescribed range from the center of gravity position of the sectional shape, and also includes a second optical system. The second optical system includes a deflector configured to deflect, toward the observation optical axis, light entering from a direction parallel to the observation optical axis. The second optical system is configured to form, from the flux, a plurality of light sheets that are parallel to a plane perpendicular to the observation optical axis and that have different traveling directions.

Abstract: A Light-Emitting Diode (LED) illuminator-condenser capable of supplying bright-field, dark-field, fluorescence, oblique, and phase-contrast illumination under Köhler-like conditions. A single lens may be permanently focused on the specimen plane. Illumination conditions may be made by a combination of uniform LEDs, collimating masks and diffusers. LEDs may be arranged in one or more ring-shaped patterns.

Abstract: A removable objective lens arrangement (5) having a removable plate (30), at least one support device (60,70) fixably mounted on the removable plate (30) and an objective lens (40) adjustably mounted within the at least one support device (60, 70).

Abstract: Methods and systems for autofocusing of an imaging system are presented. Provided is an imaging system and an optical interferometry system for generating one or more images corresponding to a target region in a subject. The method provides calibration information that identifies a focal position of the optical interferometry system corresponding to a determined focal position of the imaging system. A subsequent focal position of the imaging system is determined for generating a desired image corresponding to at least one of another target region in the subject and another position of the target region relative to the imaging system based on the calibration information.

Abstract: The invention introduces for the first time telescopes for the detection of images originating from light emitted by antimatter stars or galaxies whose specifications are opposite to those of conventional telescopes for the detection of images of far away stars or galaxies in accordance with known conjugations in the transition from matter to antimatter. In particular, conventional convex lenses or concave mirrors for the detection of stars and galaxies are replaced with concave lenses and convex mirrors for the detection of antimatter stars or galaxies. The invention also includes means for the conversion of conventional refractive or reflective telescopes for the detection of matter stars or galaxies into their conjugate for the detection of antimatter stars or galaxies.

Abstract: An endoscope includes: a contact surface formed on a part of an outer circumference of a functional member; a distal end member provided on a distal end portion of the insertion portion and including a first hole portion provided with a first hole axis, in which the functional member is arranged, and a second hole portion provided with a second hole axis being orthogonal to the first hole axis and communicating with the first hole portion; and a fixing member configured to fix the functional member to the distal end member by being inserted into the second hole portion in a state that a contactless portion not being in contact with the contact surface is caused to face the contact surface, and being rotated around an axis by a predetermined angle.

Abstract: In order to obtain an observation optical system which has high optical performance while having a wide field of view, and can easily reduce variation of aberration at the time when an eye relief has changed, the present invention provides an observation optical system which is used for an observer to observe an image displayed on an image display surface, and includes in order from an observation side to an image displaying surface side: a first lens having a positive refractive power; a second lens having a negative refractive power; and a third lens having a positive refractive power, wherein a focal length f1 of the first lens, a focal length f2 of the second lens and a focal length f3 of the third lens are each appropriately set so as to satisfy the conditional expression of: 0.40 < f ? ? 1 - f ? ? 2 × f ? ? 3 < 0.80 .

Abstract: Provided is an eyepiece lens to be used for observing an image displayed on an image displaying surface, the eyepiece lens consisting of, in order from the image displaying surface side to an observation side: a first lens unit having a negative refractive power; and a second lens unit having a positive refractive power. The first lens unit consists of one negative lens, and the second lens unit consists of, in order from the image displaying surface side to the observation side, a positive lens and a negative lens that has a concave surface facing the observation side. During adjustment of a diopter, the first lens unit is configured to not move, and the second lens unit is configured to move.

Abstract: An optical module includes a variable wavelength interference filter configured to transmit light including peak wavelengths corresponding to a gap dimension between a pair of reflection films and corresponding to a plurality of orders and first to third dichroic mirrors configured to separate light in a predetermined wavelength band and lights in wavelength bands other than the predetermined wavelength band. The plurality of first to third dichroic mirrors respectively correspond to different orders and are arranged in order such that the peak wavelengths corresponding to the orders are included in the predetermined wavelength band and transmitted light of the variable wavelength interference filter is made incident on the first dichroic mirror, second separated light of the first dichroic mirror is made incident on the second dichroic mirror, and second separated light of the second dichroic mirror is made incident on the third dichroic mirror.

Abstract: This disclosure provides systems, methods, and apparatus for reducing tilt instability in an electromechanical systems (EMS) device, where the EMS device includes a plurality of hinges supporting a movable mirror over a stationary electrode and having identical hinge lengths. The EMS device can include a plurality of first anchor points providing connection at the substrate and a plurality of second anchor points providing connection at the movable mirror. Each of the hinges can be positioned between paired first and second anchor points and symmetrically arranged about the center of the movable mirror. In some implementations, the plurality of first anchor points and the plurality of second anchor points can be defined by a single mask.

Abstract: A MEMS display device (1) is provided with a display unit (14), and a light control film (9) which controls a light distributing property of light which is output from the display unit (14), in which the display unit (14) includes a backlight (11), an aperture layer (22) which includes an opening (24) which transmits light output from the backlight (11), and a shutter (23) which is movable with respect to the opening (24), and performs switching between transmitting of light through the opening (24) and shielding.

Abstract: An ideal wearable display apparatus, optimized based on human factors, includes: a user information tracking part for obtaining characteristic information of a user who wears the wearable display apparatus; a hardware module part, which includes a mechanism control module part for changing the spatial arrangement position and posture of a mechanism part of the wearable display apparatus; a software module part for simulating and generating virtual environment information based on static hardware parameters, input image data, and the information of the user information tracking part and mechanism control module part; and a human factor module part for correcting the difference between a simulation model in the software module part and a model recognized through the actual use of the apparatus.

Abstract: A head-up display module is provided. The head-up display module includes a polarized light source, an optical sheet, and a display panel. The polarized light source is capable of emitting a polarized light beam. The optical sheet is disposed on a transmission path of the polarized light beam, and the polarized light beam is reflected by the optical sheet. The display panel is disposed on the transmission path of the polarized light beam between the polarized light source and the optical sheet, and a polarization of the polarized light beam is modulated by the display panel.

Abstract: A head-up display (HUD) device for a motor vehicle has a projector generating a polarized light signal directed at a display surface (such as a windshield or separate combiner plate) for viewing by a driver of the vehicle. A light sensor is disposed adjacent to the projector to detect and measure the intensity of ambient light entering the vehicle and control the intensity of the light generated by the projector in dependence on the measured ambient light intensity. The light sensor is fitted with a polarization filter that is cross-polarized relative to the polarization of the light generated by the projector so that the intensity of the ambient light reaching the sensor is independent of the intensity of the light emitted by the projector.

Abstract: A head-up display in a motor vehicle has an image combiner movable between an active position, in which it is situated in the field of view of a driver of the vehicle, and an inactive position, in which it is situated close to a surface of or within an instrument panel. The position of the image combiner is controlled depending on signals from vehicle devices that indicate a likelihood or probability of a fogging condition of the windshield. The fogging condition may be indicated by a driver actuation of a windshield defogging/heating system.

Abstract: A method for displaying holograms may include displaying an initial hologram via a display device comprising an at least partially see-through display, the initial hologram located on a virtual surface at an initial virtual location. Subsequently, an instruction is received to display a subsequent hologram on the virtual surface at a subsequent virtual location. Collision detection is performed to determine that the subsequent hologram would collide with the initial hologram. In response, the subsequent hologram is displayed at an adjusted virtual location that is closer to the display device than the initial virtual location of the initial hologram.

Abstract: A head-mounted display for a virtual-reality system includes one or more outer surfaces having a plurality of recesses. Light-emitting diodes (LEDs) are installed in respective recesses of the plurality of recesses. The recesses are covered with covers that are substantially flush with respective surfaces of the one or more outer surfaces of the head-mounted display.

Abstract: A lightguide (100a) includes a first light guiding member (1A) having a first light-receiving surface (12A) to receive a collimated light beam, a first lightguide section (20A) to allow the light beam entering at the first light-receiving surface (12A) to propagate in a first direction, and a first outgoing face (29A) through which the light beam propagating in the first lightguide section (20A) is allowed to exit in a second direction intersecting the first direction; and a second light guiding member (30A) having a second light-receiving surface (31A) to receive the light beam exiting from the first outgoing face (29A), a second lightguide section (30A) to allow the light beam entering at the second light-receiving surface (31A) to propagate in the second direction, and a second outgoing face (39A) through which the light beam propagating in the second lightguide section (30A) is allowed to exit in a third direction intersecting the first and second directions.

Abstract: A head mounted display (HMD) apparatus and a display method thereof are provided. The apparatus includes a display configured to provide an image, an active element comprising a plurality of micro-mirrors and configured to reflect the image provided on the display, and a processor configured to detect a user's eyesight and adjust a focal length of the image provided on the display by controlling a gradient of at least some of the plurality of the micro-mirrors based on the detected user's eyesight.

Abstract: A strap system for a head-mounted display is disclosed. The strap system includes a rigid segment and a latching subsystem coupled to the rigid segment. The rigid segment has opposite first and second sides. The rigid segment couples to the head-mounted display from the first side. The latching subsystem couples to the second side of the rigid segment. The latching subsystem includes a plate including a pair of slots to respectively receive a pair of posts protruding from a detachable audio system. The latching subsystem also includes a pair of latches to latch to grooves in the pair of posts. Each latch of the pair of latches includes an opening that overlaps a respective slot of the pair of slots. The opening receives a respective post of the pair of posts.

Abstract: A strap system for a head-mounted display system includes a rigid bar, semi-rigid segment, and rigid segment. The rigid bar includes a lateral slot and a vertical slot. The rigid segment includes a first end to fixedly couple to the semi-rigid segment and a second end opposite to the first end. The second end of the rigid segment inserts into the lateral slot from the first end of the rigid bar. The strap system further includes one or more compression springs coupled to the rigid segment, and a shuttle to press against the one or more compressions spring so as to slide along the lateral dimension. The strap system also includes an adjustment strap fixedly coupled to the shuttle and extending beyond the second end of the rigid segment and through the vertical slot on the rigid bar to adjustably couple to the outer surface of the rigid bar.

Abstract: A head-mounted display includes a first display screen and a second display screen to display images to respective eyes of a user. The head-mounted display further includes a first member comprising a first rack and a second member comprising a second rack. The first member is coupled to the first display screen, and the second member is coupled to the second display screen. The head-mounted display includes a button and a gear train to transfer a linear sliding motion of the button to a linear motion of the first rack in a first direction and a linear motion of the second rack in a second direction opposite to the first direction. The gear train includes a first gear engaged with the first rack and a second gear concurrently engaged with the first gear and the second rack.

Abstract: A display control method is disclosed. An image is received from a specific terminal. A computer displays the received image at a position of a display area of a display device. The position corresponds to an image of the specific terminal in an image captured by an imaging device, when detecting at least one of the image of the specific terminal and an image corresponding to the specific terminal in the received image.

Abstract: Head wearable kaleidoscopes that include a plurality of kaleidoscope members placed into a mount. When the mount is secured on a user's head, the kaleidoscope members can be positioned in front of a user's eyes. In some examples, head wearable kaleidoscopes include a single kaleidoscope member and an optical system tor directing light passing through the single kaleidoscope member to each of the user's eyes. In some aspects of the head wearable kaleidoscope, the mount may be implemented as a visor, a helmet, or a pair of glasses.

Abstract: A reflective mobile phone lens, comprising a semi-permeable semi-reflecting mirror (5), a concave spherical reflecting mirror (4) and a mobile phone (1) screen; the mobile phone (1) screen serves as a display screen to display an image; light passes through the semi-permeable semi-reflecting mirror (5) and arrives at the concave spherical reflecting mirror (4), and then is reflected by the concave spherical reflecting mirror (4) back to the semi-permeable semi-reflecting mirror (5), and is reflected by the reflective surface of the semi-permeable semi-reflecting mirror (5) onto the mobile phone (1) screen. The mobile phone lens enables watching an online movie or playing a virtual reality game on the mobile phone (1) to have a good effect like watching a movie on a big screen in a cinema.

Abstract: A display includes a first reflecting surface, a second reflecting surface, and a beam splitter. The second reflecting surface is positioned parallel with respect to the first reflecting surface, and the beam splitter is disposed between the first and second reflecting surfaces. The beam splitter includes a first transmissive substrate having opposed first and second sides and a length extending from a first end to a second end. A first layer of material is disposed on at least one of the first or second sides of the first transmissive substrate. The first layer of reflective material extends from the first end of the first transmissive substrate to a location along the length of the first transmissive substrate.

Abstract: A grating, a manufacturing method thereof and a display device are disclosed. The grating comprises: a substrate including a plurality of first view field regions (A1) and a plurality of second view field regions (A2) which are alternately distributed; a plurality of ridge structures formed on the substrate in each first view field region (A1) and each second view field region (A2); and a patterned light shield layer being formed on the ridge structures and including a plurality of light-blocking regions and a plurality of light-transmitting regions, wherein in each first view field region (A1), each light-transmitting region is formed on a sloping surface of a first side of each ridge structure; in each second view field region (A2), each light-transmitting region is formed on a sloping surface of a second side of each ridge structure; and the first side and the second side are two opposite sides.

Abstract: The present disclosure provides an electrochromic grating comprising: a substrate; a plurality of strip-shaped first transparent electrodes distributed on the substrate in parallel at an equal predetermined pitch; and a plurality of ion storage layers, a plurality of electrochromic layers, and a plurality of strip-shaped second transparent electrodes. One ion storage layer, one electrochromic layer and one second transparent electrode are sequentially formed on each of the first transparent electrodes, and the electrochromic layer is configured to switch from a transparent state to a shading state when different drive voltages are applied to the first and second transparent electrodes. A method for producing an electrochromic grating is also provided. There is no interference between the shading region and the light-transmissive region and there is no negative impact on the effect of 2D display, providing users with a great experience.

Abstract: A tool for capturing a three dimensionally viewable image. The tool includes multiple reflective surfaces for generating one view of a scene whereas another view of the same scene from a slightly different location is obtained free of the reflected surfaces. Both views may be simultaneously captured by the lens and displayed together in a single image. Thus, a variety of sterographic techniques may be utilized for viewing the image in a three dimensional manner.

Abstract: There is disclosed a Fresnel liquid crystal lens panel for a naked eye three-dimensional display, a manufacturing method thereof, and a 3D display using the same. The Fresnel liquid crystal lens panel comprises: a Fresnel liquid crystal lens panel for a naked eye three-dimensional display, comprising: a first substrate comprising a first transparent substrate and a first electrode; a second substrate comprising a second transparent substrate and a plurality of second electrodes; a liquid crystal layer divided into a plurality of lens regions to form a Fresnel liquid crystal lens; and a plurality of insulating barrier blocks being located at an inner side of the second substrate and arranged between two adjacent side lobes of the Fresnel liquid crystal lens. Since the adjacent side lobes are partitioned by means of the insulating barrier block at the boundary therebetween, the crosstalk within the lens region is reduced.

Abstract: A system of contact lenses includes at least two contact lenses, each lens having a visual correction for a non-rotationally symmetric eye aberration. Each lens has a different level or degree of a stabilization that is characterized by a thickness differential between a thickness of a stabilization zone and a thickness of a non-stabilization zone.

Abstract: A spectacle lens is disclosed. The disclosed lens provides a vision correcting area for the correction of a wearer's refractive error. The viewing correction area provides correction for non-conventional refractive error to provide at least a part of the wearer's vision correction. The lens has a prescription based on a wave front analysis of the wearer's eye and the lens can further be modified to fit within an eyeglass frame.

Abstract: Methods and apparatuses for providing a variable optic insert into an ophthalmic lens as set forth. An energy source is capable of powering the variable optic insert included within the ophthalmic lens. In some embodiments, an ophthalmic lens is cast-molded from a silicone hydrogel. The various ophthalmic lens entities may include electroactive liquid crystal layers to electrically control refractive characteristics.

Abstract: A system including a receiving member and a locking member. The receiving member includes a first outer layer, a second outer layer having an ovate opening, and an inner layer having an ovate void corresponding to the ovate opening. A first retaining void is adjacent a first long side of the ovate void and a second retaining void is adjacent a second long side of the ovate void. The locking member has an ovular protrusion secured to its inner surface and adapted to be received by the ovate opening. The first and second retaining voids are adapted to secure the ovular protrusion in a captured configuration within the first retaining void, the second retaining void, and a portion of the ovate void, perpendicular to the ovate void.

Abstract: The embodied invention is a design that provides components for attaching adornment articles to eyewear and adornment holders. The design ensures that only the adornment article will be visible and maintain proper orientation. Additionally, the adornment article is held securely in place yet is easily removable and interchangeable with a variety of other adornment articles.

Abstract: An eyewear system according to the present disclosure may include at least one temple, and a temple guide provided on the at least one temple, wherein the temple guide comprises a guide surface defined by a ferromagnetic material of the temple, and wherein the temple guide is configured to magnetically retain an electronic wearable device in slidable attachment therewith and to restrict lateral movement of the electronic wearable device relative to the temple when the electronic wearable device is engaged with the temple guide.

Abstract: A method for aiding the choice, by a future wearer, of a piece of visual equipment including at least one ophthalmic lens and a spectacle frame, includes the following steps: receiving at least first and second data items representative of first and second distances measured between an eye of the wearer and the frame; determining a first width and a second width, associated with the first data item and the second data item, respectively, by comparing, for each data item, the lower and upper limits of a range of values associated with the distance represented by the data item in question; and constructing an image including a first portion having the first width and a second portion having the second width, the first portion and the second portion being juxtaposed in the image. A method allowing a future wearer to select such a piece of equipment is also described.

Abstract: The present disclosure provides a vacuum cell aligning device and a vacuum cell aligning method. The vacuum cell aligning device includes an upper machining platform, a lower machining platform, a plurality of first cell-pressing unit arranged in parallel in the upper machining platform, a plurality of second cell-pressing unit arranged in parallel in the lower machining platform, and an adjustment mechanism. Each first cell-pressing unit includes a first end-surface towards the lower machining platform and corresponds to a sub-region of the upper substrate. Each second cell-pressing unit includes a second end-surface towards the upper machining platform and corresponds to a sub-region of the lower substrate. The adjustment mechanism is configured to adjust the first cell-pressing units to make a shape defined by the first end-surfaces match the upper substrate, and configured to adjust the second cell-pressing units to make a shape defined by the second end-surfaces match the lower substrate.