Abstract: A driving unit includes a tubular fixed part with a given axis as center, a movable part located inside the fixed part and having the axis as center, a front frame part attached to the fixed part and including at least a magnetic material, and a voice coil motor capable of moving the movable part relatively with respect to the fixed part in the axial direction by a coil wound around an outer circumference of the fixed part and a magnet located in the movable part, wherein the magnet of the movable part is biased by the magnetic material, and an axial width of the coil is longer than an axial width of the magnet.

Abstract: A compact optic design is disclosed in which an image capture device's cover glass (or other transparent material) is imbued with optic power and affixed directly to the device's housing. A lens barrel, in which one or more additional lens elements are mounted, may be aligned with the optical lens formed by the cover glass and an image sensor to provide a complete camera module.

Abstract: An optical image capturing system, sequentially including a first lens element, a second lens element, a third lens element and a fourth lens element from an object side to an image side, is provided. The first lens element has positive refractive power. The second through third lens elements have refractive power. The fourth lens element has negative refractive power. At least one of the image side surface and the object side surface of each of the four lens elements are aspheric. The optical lens elements can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: An optical image capturing system, sequentially including a first lens element, a second lens element, a third lens element and a fourth lens element from an object side to an image side, is provided. The first lens element has positive refractive power. The second through third lens elements have refractive power. The fourth lens element has negative refractive power. At least one of the image side surface and the object side surface of each of the four lens elements are aspheric. The optical lens elements can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: An imaging lens for use with an operational waveband over any subset of 7.5-13.5 ?m may include a first optical element of a first high-index material and a second optical element of a second high-index material. At least two surfaces of the first and second optical elements may be optically powered surfaces. A largest clear aperture of all optically powered surfaces may not exceed a diameter of an image circle of the imaging lens corresponding to a field of view of 55 degrees or greater by more than 30%. The first and second high-index materials may have a refractive index greater than 2.2 in the operational waveband, an absorption per mm of less than 75% in the operational waveband, and an absorption per mm of greater than 75% in a visible waveband of 400-650 nm.

Abstract: An imaging lens for use with an operational waveband over any subset of 7.5-13.5 ?m may include a first optical element of a first high-index material and a second optical element of a second high-index material, that may have a refractive index greater than 2.2 in the operational waveband, an absorption per mm of less than 75% in the operational waveband, and an absorption per mm of greater than 75% in a visible waveband of 400-650 nm. Optically powered surfaces of the imaging lens may include a sag across their respective clear apertures that are less than 10% of a largest clear aperture of the imaging lens. Respective maximum peak to peak thicknesses of the first and second optical elements may be similar in size, for example within 15 percent of each other. Ratios of maximum peak to peak thickness to clear aperture and, separately, to sag are also provided.

Abstract: A three-piece optical lens for capturing image and a three-piece optical module for capturing image, along the optical axis in order from an object side to an image side, include a first lens with positive refractive power, wherein an object-side surface thereof can be convex; a second lens with refractive power; and a third lens with refractive power, wherein both surfaces of each of the aforementioned lenses can be aspheric; the third lens can have positive refractive power, wherein an image-side surface thereof can be concave, and both surfaces thereof are aspheric; at least one surface of the third lens has an inflection point. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: A three-piece optical lens for capturing image and a three-piece optical module for capturing image, along the optical axis in order from an object side to an image side, include a first lens with positive refractive power, wherein an object-side surface thereof can be convex; a second lens with refractive power; and a third lens with refractive power, wherein both surfaces of each of the aforementioned lenses can be aspheric; the third lens can have positive refractive power, wherein an image-side surface thereof can be concave, and both surfaces thereof are aspheric; at least one surface of the third lens has an inflection point. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: An optical photographing lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has positive refractive power. The third lens element has negative refractive power. The fourth lens element has negative refractive power. The fifth lens element with refractive power has an image-side surface being concave in a paraxial region thereof, wherein the image-side surface of the fifth lens element comprises at least one convex shape in an off-axis region thereof, and an object-side surface and the image-side surface of the fifth lens element are aspheric.

Abstract: A zoom lens driving device and a zoom lens. The driving device comprises a focus motor (402) and a zoom motor (403) that are respectively used for driving a first focus lens group (411) and a first zoom lens group (414) to move axially. At least one of the focus motor and the zoom motor is a disc-type electromagnetic motor in which a stator (410) and a rotor (403) have a hollow structure. The disc-type electromagnetic motor having a hollow structure is used as the lens driving motor, is easy to process, and is easy to be combined with another motor, for example, another disc-type electromagnetic motor or voice coil motor or ultrasonic motor to form a compact structure, thereby meeting the requirements of zoom lens of micro to large sizes.

Abstract: A zoom lens includes, in order from an object side to an image side, a first lens group, an aperture, and a second lens group. The first lens group has negative refractive power, and is composed of a negative first lens, a negative second lens, and a positive third lens. The third lens and the second lens are adhered together to form a negative doublet. The second lens group has positive refractive power, and is composed of a positive fourth lens, a negative fifth lens, a positive sixth lens, a positive seventh lens, a negative eighth lens, and a positive ninth lens. The sixth lens and the fifth lens are adhered together to form a negative doublet. In addition, the first lens group can be moved between the object side and the aperture, while the second lens group can be moved between the aperture and the image side.

Abstract: Apparatus and method for facilitating a microscopic imaging of at least one anatomical structure can be provided. For example, with a spectrally-encoded confocal microscopy (SECM) system, it is possible to provide at least one first electro-magnetic radiation to the anatomical structure(s). In addition, a mobile device can be provided which can communicate with the SECM system. The mobile device can have a sensor arrangement, and with such sensor arrangement, it is possible to receive at least one second electro-magnetic radiation that is based on the first radiation(s) from at least one section of the SECM system. The mobile device can further include a computer arrangement, with which it is possible to display at least one portion of the anatomical structure(s) as a microscopic image based on the second radiation(s) received by the sensor arrangement.

Abstract: A method for forming an immersion agent film between the sample holder and the objective of a microscope, comprising an automatic immersion module for supplying immersion agent from an immersion agent reservoir to a target position on the sample holder or on the positioning stage, the automatic immersion module having a spraying device with a nozzle connected to a pump for the purpose of generating an immersion agent jet. A dosed immersion agent jet is sprayed via the automatic immersion module onto a target position on the sample holder or a position on the positioning stage, at a defined speed.

Abstract: The invention relates to a transparent object carrier, which has a marking impressed in the interior, to a diagnostic instrument, preferably a microscope, in combination with a transparent object carrier inserted for diagnostic analysis, and to a method, comprising the steps of providing a transparent object carrier, impressing a marking, which is located in the interior of the carrier, supplying the transparent object carrier with a biological or chemical sample, and, optionally, dividing the transparent object carrier and thereby producing a plurality of smaller transparent object carriers that enclose material from the biological or chemical sample.

Abstract: A three-dimensional information obtaining apparatus includes an illumination optical system that illuminates a sample with a light sheet, an imaging device that has a two-dimensional imaging element and that captures an image of the sample illuminated by the illumination optical system, an observation optical system that forms, on the two-dimensional imaging element, a plurality of optical images of the sample observed from a plurality of different directions, and an arithmetic device that calculates three-dimensional information of the sample from a plurality of pieces of image data of the sample. A thickness D of the light sheet satisfies D?8·PP/?/NA when PP>?·?/(4·NA) is satisfied, where PP is a pixel pitch of the two-dimensional imaging element, ? is a wavelength of observation light, ? is a magnification of the plurality of optical images, and NA is a numerical aperture on an object side of the observation optical system.

Abstract: A method of forming nanolenses for imaging includes providing an optically transparent substrate having a plurality of particles disposed on one side thereof. The optically transparent substrate is located within a chamber containing therein a reservoir holding a liquid solution. The liquid solution is heated to form a vapor within the chamber, wherein the vapor condenses on the substrate to form nanolenses around the plurality of particles. The particles are then imaged using an imaging device. The imaging device may be located in the same device that contains the reservoir or a separate imaging device.

Abstract: A biological specimen observation apparatus whereby observation of a biological specimen can be performed accurately. In macro observation, a biological change region is extracted from a macro image, a micro observation point corresponding to an extracted biological change region is registered, and an object for tracking is identified. In micro observation, it is judged from the micro image whether or not biological change has continued in the biological change region at the micro observation point, and the registered micro observation point is updated on the basis of this judgment result. It is possible to carry out both macro observation for detecting a biological change region and micro observation for observing the progress of growth of a partial minute region where biological change has been exhibited, and to carry out accurate observation of a biological specimen.

Abstract: A microstructure optical adapter or tip according to the present disclosure may incorporate precision micro structure optical components engaging the input or output end of light energy delivery devices for customized light delivery of the light energy. The incorporation of precision micro structure optical components in injection molded plastic or glass parts will allow for inexpensive modification of the output light while also serving to protect the end of the illumination device. The micro structure optical components may also be incorporated in an adapter to tailor the light energy to the subsequent device.

Abstract: An adjustable rearview mirror that is designed to quickly transition between transparent and reflective states. The apparatus is configured to resemble traditional rearview mirrors used in vehicles. The apparatus includes a window mount, a pivoting connection arm, and a user controlled mirror panel. The window mount connects the rearview mirror to the windshield of a vehicle. The pivoting connection arm enables a user to reposition the rearview mirror at will. The user controlled panel can be placed into a reflective or a transparent state based on user input. A user is able to gain a relatively unhindered view of traffic through a vehicle windshield.

Abstract: Various embodiments of a multi-laser system are disclosed. In some embodiments, the multi-laser system includes a plurality of lasers, a plurality of laser beams, a beam positioning system, a thermally stable enclosure, and a temperature controller. The thermally stable enclosure is substantially made of a material with high thermal conductivity such as at least 5 W/(m K). The thermally stable enclosure can help maintain alignment of the laser beams to a target object over a range of ambient temperatures. Various embodiments of an optical system for directing light for optical measurements such laser-induced fluorescence and spectroscopic analysis are disclosed. In some embodiments, the optical system includes a thermally conductive housing and a thermoelectric controller, a plurality of optical fibers, and one or more optical elements to direct light emitted by the optical fibers to illuminate a flow cell. The housing is configured to attach to a flow cell.

Abstract: In an imaging device, a camera images an image through a lens. Moreover, a heat transfer member transfers heat to the lens, and heats the lens. Here, the lens is exposed to the exterior of the imaging device through an exposing hole of the heat transfer member and an opening of the design cover. Thus, a larger amount of light can be made incident to the imaging element.

Abstract: A method for determining at least one reflow parameter for obtaining a structure approximating a sought structure by reflowing an initial structure different to the sought structure, the initial structure including at least one pattern formed in a thermo-deformable layer arranged on a substrate. The thermo-deformable layer forms a residual layer surrounding each pattern and from which each pattern extends such that each pattern has an interface only with the surrounding medium. The method includes: predicting progression over time of geometry of the initial structure subject to reflow, to obtain a plurality of predicted structures each associated with reflow parameters including at least a reflow time and a reflow temperature; computing correlation values of the geometry of each predicted structure with respect to the sought structure; identifying reflow parameters for obtaining the predicted structure offering a highest correlation value.

Abstract: A design method for an optical element arranged in correspondence with a corresponding one of a plurality of pixels arranged in a matrix pattern to form a pixel array and configured to focus light. The method comprises selecting a first optical element whose information concerning a shape is known and which is arranged at a position close to the center of the pixel array and a second optical element whose information concerning a shape is known and which is arranged closer to the periphery of the pixel array than the first optical element, and determining information concerning a shape of a third optical element arranged at a position different from positions of the first optical element and the second optical element by using the information concerning the shape of the first optical element and the information concerning the shape of the second optical element.

Abstract: There is provided a head-up display apparatus of the present invention including: a display device that is provided inside an instrument panel and projects display light, and an optical member that reflects the display light projected from the display device so as to guide the display light to a windshield. At least a part of the optical member is positioned outside the instrument panel.

Abstract: A display device includes a volume information obtaining unit configured to obtain volume change information for a sound output, a notification information obtaining unit configured to obtain notification information for a user, and a display unit configured to provide the user with a notification display according to the notification information obtained by the notification information obtaining unit and change a display mode so that the notification display will be distinct according to the volume change information obtained by the volume information obtaining unit.

Abstract: A head-mounted display having a first light incident region and a first light emitting region is provided. The head-mounted display includes a first light-guide plate, a first micro-display, a first reflector, a first collimating lens and a first filling structure. A first inner surface of the first light-guide plate has plural first hollow microstructures located in the first light emitting region. The first micro-display is located in the first light incident region and faces the first inner surface. The first reflector is located in the first light incident region, obliquely disposed at the first light-guide plate and faces the first micro-display. The first collimating lens is disposed between the first reflector and the first micro-display. The first filling structure fills in the first hollow microstructures, wherein a refractive index of the first filling structure is greater than a refractive index of the first light-guide plate.

Abstract: The head-mounted display device includes a display element, a light guide prism that, in a state of use, guides a regular image light beam from the display element to an exit surface in front of the user's eye, and a support that secures the display element and the light guide prism with respect to the user's head. On at least one side along the optical axis of the regular image light beam, the light guide prism includes at least one first-type inclined surface at a position outside of the region through which the regular image light beam from the display element passes, and the first-type inclined surface is formed to be inclined so as to cause light incident on the first-type inclined surface from a direction along the optical axis of the regular image light beam to be reflected and emitted to the outside of the user's eyeball.

Abstract: An eyepiece optical member has an easy-to-clean interior, and a head-mounted display device is provided with the eyepiece optical member. The eyepiece optical member includes a housing with a built-in display element, a light guide prism in which image light from the display element enters through an entrance surface and is guided to exit from an exit surface towards an eyeball of an observer so as to be observed as a magnified virtual image, and a protective member formed separately from the housing and covering a portion of the light guide prism. The housing includes two opposing plate-like portions, the light guide prism is fixed to the protective member as an assembled member, and the assembled member is sandwiched between the two opposing plate-like portions. The head-mounted display device includes a support member for fixation to a wearer's head and includes the eyepiece optical member attached to the support member.

Abstract: A head-mounted display includes a control knob, a transmission component and a rotatable drive shaft. The control knob is mounted on the body frame. The transmission component comprises a transverse transmission part mounted on a horizontal border of the body frame and a vertical transmission part mounted on a vertical border of the body frame. One end of the transverse transmission part is meshed with one end of the vertical transmission part, and the control knob is connected to a middle portion of the transverse transmission part. The drive shaft has one end fixed on the body frame, the other end as a screw rod, and a middle portion meshed with the other end of the vertical transmission part. the display module frame is provided with a nut fitted with the screw rod of the drive shaft, and the screw rod passes through the display module frame via the nut.

Abstract: A head mounted display system for use with a mobile computing device, comprises a single-piece main body made entirely of a homogeneous unitary soft and compressible material, the soft main body configured to be worn on a human head and including a retention pocket configured to accept and secure a mobile computing device to the main body, and a lens assembly within the main body comprising at least one lens configured to focus vision of a wearer on a respective area of a display screen of the mobile computing device, such that an image may be viewed through the lens on the display screen.

Abstract: An image display apparatus includes: an image forming device; an optical system converting light emitted from the image forming device into parallel light; and an optical device to which the light beams converted into the parallel light by the optical system enter, in which the light beams are guided, and from which the light beams are emitted, wherein a central light beam emitted from the center of the image forming device, passing through the nodal point of the optical system and entering the optical device at an optical device center point intersects an XY plane defined by an X axis that passes through the optical device center point, and is parallel to the axis direction of the optical device and a Y axis that passes through the optical device center point, and coincides with the normal axis of the optical device at angles other than 0 degree.

Abstract: A filter for a display comprising at least one cellular grid positioned substantially parallel to and at a predetermined distance from the display, such that when a user views the display through the cellular grid(s) and from within a predetermined range of viewing angles corresponding to the predetermined distance, the display is visible to the user, but the cellular grid(s) prevents others outside the predetermined range of viewing angles from viewing the display.

Abstract: An an illumination device (6) comprising a light source (8) producing a first cone of light (10) and a deflection unit (12) for the beam-shaping conversion of the first cone of light (10) into a second cone of light (14a,b) and to emit the latter towards the target area (4a,b), the deflection unit (12) can be varied in order to vary the form (Fa,b) and/or the intensity distribution (Ia,b) in the second cone of light. An illumination system (2) contains the illumination device (6) and the target area (4a,b). The illumination device (6) or the illumination system (2) is used to illuminate a surface of an interior of a vehicle as target area (4a,b).

Abstract: The present invention provides a 3D liquid crystal display and a manufacturing method thereof, the 3D liquid crystal display comprises: a lower polarization sheet; a RGB color composition layer provided on the lower polarization sheet; a lower glass substrate provided on the RGB color composition layer; a first ITO pattern layer provided on the lower glass substrate; a liquid crystal layer provided on the first ITO pattern layer; an upper glass substrate provided on the liquid crystal layer; an upper polarization sheet provided on the upper glass substrate; and a lens array provided on the upper polarization sheet. The 3D liquid crystal display provided by the present invention adds the glass thickness of the glass substrate to the focal length of the lens through providing the RGB color composition to the bottom of the glass substrate, comparing to the structure of the prior art, it can effectively reduce the thickness of the gap glass 0.5 mm˜0.

Abstract: A light control device of the present invention includes a first patterning polarizing plate 21 containing a plurality of polarization regions having different absorption axis directions, a second patterning polarizing plate 22 containing the same polarization regions as those of the first patterning polarizing plate 21, and a retardation plate 3, wherein at least any one of the first and the second patterning polarizing plates 21, 22 is disposed slidably in a plane direction. Such a light control device hardly causes color irregularities and hardly causes a pattern.

Abstract: An objective lens (OL) according to the present invention comprises, in order from an object side, a first lens group (G1) having positive refractive power, and a second lens group (G2) having negative refractive power. The first lens group (G1) comprises a positive meniscus lens (L1) having a concave surface facing the object side, a positive lens (L2) dispose close to an image of the positive meniscus lens (L1), and a diffractive optical element (DOE) having a diffractive optical surface (D). The second lens group (G2) is composed of three cemented lenses (CL21 to CL23) which are configured with a positive lens and a negative lens cemented each other. When d00 denotes a distance from the object side to the positive meniscus lens (L1), and TL0 denotes a distance from the object side to the objective lens rear end surface, 0.11?d00/TL0?0.19 is satisfied.

Abstract: A diffractive optical element (1) includes a first diffraction grating (21) including a first grating surface (21a) and a first grating wall surface (21b), a second diffraction grating (31) including a second grating surface (31a) and a second grating wall surface (31b), and a thin film (11) provided between the first grating wall surface and the second grating wall surface and being in contact with both of the first and second grating wall surfaces, an extinction coefficient of the thin film with respect to a wavelength ? in a use wavelength band is not greater than 0.0005, and with respect to the wavelength ?, refractive indices of materials of the thin film, the first diffraction grating, and the second diffraction grating, a relative diffractive index difference of the thin film and the first diffraction grating, and a width of the thin film satisfy predetermined conditions.

Abstract: According to some examples, a lens apparatus includes a plurality of near-field spatial filters, each of the near-field spatial filters including a first near-field lens that includes a first focal length, a second near-field lens that includes a second focal length, and a first plate that includes a pin-hole, the first plate being disposed between the first near-field lens and the second near-field lens such that the pin-hole in the first plate is substantially at a point where a focus of the first near-field lens and a focus of the second near-field lens substantially coincide based at least in part on the first focal length and the second focal length.

Abstract: An image display device including a laser light source; an optical element; and a transmitting-reflecting member, the image display device which displays an image by forming the image by light which is emitted from the laser light source and making image light after forming the image to be incident on the transmitting-reflecting member, wherein the laser light source is arranged such that there are more S polarization components of the image light which is incident on the transmitting-reflecting member with respect to the transmitting-reflecting member than P polarization components, and a mobile object including the image display device.

Abstract: A payload stabilizer suitable for use with video camera payloads. The stabilizer has a feedback system providing supplemental torques to the payload through a gimbal while remaining responsive to direct operator control.

Abstract: A modular eyeglasses assembly includes a lens frame including a pair of lens receivers. Each of the lens receivers has a lens mounted therein and the lens frame has a pair of lateral ends. The lens frame has a pair of bends therein adjacent to the lateral ends such that the lateral ends are directed rearwardly from the lens frame. A pair of mounts each is attached to one of the terminal ends. Each of a pair of temples is removably attached to one of the mounts. A bridge has an upper surface, a lower surface, a first end and a second end. Each of pair of connectors attaches the lower surface to the lens frame.

Abstract: Bimodulus multifocal ophthalmic lenses for correcting presbyopia include an inner optic portion characterized by a rigidity greater than a rigidity of an outer peripheral portion. When applied to an eye, the ophthalmic lenses are configured to provide one or more lenticular volumes between the posterior surface of the lens and the cornea. The ophthalmic lenses are further characterized by features on a surface of the lens for improving multifocal visual acuity. The disclosure further relates to methods of correcting presbyopia using the ophthalmic lenses.

Abstract: A system and a method of cast molding toric contact lenses permits aligning first and second mold sections at multiple rotational positions. Each mold section includes a set of alignment features that engage with complementary alignment features on the other mold section.

Abstract: The present invention generally relates to contact lenses. Specifically, this invention relates to contact lenses that change color based on one or more stimuli. The present application provides for a color changing contact lens that can change its color based on one or more stimuli. The color changing contact lens is constructed of an inner layer, an outer layer and a supply of liquid crystal.

Abstract: A wearable lens assembly includes a first lens having a first optical power; and a second lens coupled to the first lens and having a second optical power substantially equal in magnitude and opposite in power to the first optical power. The first and second lenses are collectively configured to correct chromatic aberration in at least one of an eye of a user and corrective eyewear of a user.

Abstract: The present disclosure relates to cantilevered and divergent view wearable optical systems that redirect an optical path, and provide for optimal ergonomics coupled with vision enhancement and vision magnification. Methods of use, devices, and kits are also contemplated.

Abstract: This invention is a two part system for decorating the arm of sunglasses or vision glasses. It consists of a strap to be wrapped around the arm of the glasses and a charm or piece of jewelry with a molded back to work in conjunction with the strap.

Abstract: A modular façade and eyewear includes: a) a central frame with two eyeglass supporting members, lens and a bridge member; b) lenses, c) at least two temple members, hingedly and connected to the frame; d) a lens-free façade member removably attached to the central frame. A stand-alone façade for eyewear has attachment mechanisms and a central alignment component. A user may wear the modular eyewear with or without the façade and with matching, non-matching or substitute façade members.

Abstract: This disclosure provides devices, apparatuses and methods of preventing incorporation of bright defects into an image generated by a display apparatus. A display apparatus may include a chromic film that is selectively activated, with the activated regions of the chromic film being colored, light blocking regions that overlie or underlie bright defect pixels of the display apparatus. The remainder of the chromic film is colorless and light transmissive. The chromic film may be provided as a coating on a substrate of the display apparatus. The chromic film may be selectively activated by exposing regions that overlie or underlie bright defect pixels to laser radiation. The laser radiation may induce a photochemical or thermally activated reaction in the chromic film, selectively changing the irradiated regions from colorless and light transmissive to colored and light blocking.

Abstract: An optical device includes first and second waveguide phase arms each having optically coupled parallel sections of waveguides, the parallel sections of each one of the waveguide phase arms being dissimilar to reduce crosstalk. The device further includes a tunable element for applying a phase shift to an optical signal traversing the first phase arm. The waveguides of the parallel sections may have dissimilar dimensions, e.g. may vary in width, thickness, or both. The waveguides adjacent the tunable element may be suspended and/or underetched to improve thermal isolation and accordingly reduce power consumption of the optical device.