Abstract: A splitter module includes an optical splitter configured for splitting an input optical signal into two or more output optical signals. The splitter module also includes a housing that encloses the optical splitter. The housing has a first end and a second end, and defines a first opening facing the first end and a second opening at the second end. The splitter module includes an input boot configured to receive one or more input fiber cables and an input fan-out mounted at the first opening and coupled to the input boot. The splitter module further includes an output fan-out mounted at the second opening, and an output boot coupled to the output fan-out.

Abstract: A manufacturing method for an optical fiber ribbon, in which: a plurality of optical fibers are arranged in parallel and the neighboring optical fibers are partially coupled with each other at given intervals in a longitudinal direction to form a subunit; and the optical fibers positioned at side edges of the neighboring subunits are partially coupled with each other at a given intervals in the longitudinal direction, includes: sending out the optical fibers in a parallel manner with intervals provided therebetween, applying an uncured resin to the optical fibers, continuously changing positions at which the uncured resin is interrupted by a plurality of interrupt members, and forming coupled portions at which the optical fibers are coupled to each other by irradiating resin curing energy, wherein a moving period or phase of the interrupt members is changed for every arbitrary optical fibers.

Abstract: An optical cable is provided. The optical cable includes a cable body having an outer surface and an inner surface defining a lumen and one or more optical transmission elements located within the lumen. The optical cable includes a groove array comprising a plurality of grooves located on the outer surface of the cable body. Each groove defines a trough having a lower surface located between peaks on either side of the trough, and the groove array includes an average groove spacing. The optical cable includes an ink layer applied to the cable body at the location of the groove array. The groove array and the ink layer are formed to limit abrasion experienced by the ink layer.

Abstract: A controller for microscope lenses for correcting spherical aberration and for adjusting particularly difficult to access microscope lenses to an optimum of imaging quality, enabling automatic adjustment of the different actuators of a microscope lens, to effect a simple, cost-effective, user-friendly, and precise balance, particularly of cover slip deviations and different base thicknesses of Petri dishes for the purposes of increasing imaging quality. At least two movable elements of a microscope objective supporting lenses or lens groups, are provided in a movable manner in the axial direction along the optical axis of the microscope objective relative to the housing of the microscope lens in a motor-actuated manner by way of respective adjusting rings. A controller externally controlled and disposed in the microscope lens is provided for storing different characteristic curves for paths of motion of the movable elements.

Abstract: Provided is a lens apparatus, including: a lens barrel; a movable optical member arranged in the lens barrel; and an operation ring arranged on an outer peripheral surface of the lens barrel and configured to be rotated about an optical axis when the movable optical member is to be driven in an optical axis direction, the operation ring including a plurality of gears formed about the optical axis, the plurality of gears being mutually rotated at the same cycle when the operation ring is rotated, at least one of the plurality of gears being arranged apart from an electric operation member in the optical axis direction when the operation ring is rotated by the electric operation member.

Abstract: An imaging device comprises an imaging optical system with a plurality of lenses, a focusing manipulation component, an imaging state switching manipulation component, and first, second, third, and fourth restrictors. The focusing manipulation component can be turned to change the focal position formed by the imaging optical system. The imaging state switching manipulation component can be turned to move lenses and switch between the first imaging state and the second imaging state. When the imaging state switching manipulation component is turned, the range over which the focusing manipulation component can be turned is switched from a first range that is restricted by first and second restrictors, to a second range that is restricted by third and fourth restrictors and that is at least partly shifted from the first range.

Abstract: A lens driving apparatus includes a spring suspension system and an electromagnetic force generator. The spring suspension system may include a pair of leaf springs, a stationary rigid body sandwiched between the pair of springs, and a lens holder suspended by the pair of springs within a central bore of the rigid body. The electromagnetic force generator may include a coil holder holding a coil and a magnet holder holding at least one magnet. The spring suspension system and the electromagnetic force generator are connected to and spatially separated from each other by a spacer. A method for manufacturing a lens driving apparatus is also disclosed.

Abstract: An imaging apparatus on which a lens unit having a photographic optical system including a focus lens and capable of controlling driving of the photographic optical system based on information received from the imaging apparatus is mountable includes a filter driving unit configured to insert or retract an optical filter on an optical path of the photographic optical system, a detection unit configured to detect an insertion state of the optical filter, and a control unit configured to calculate, based on a change of the insertion state of the optical filter detected by the detection unit, a movement amount of an image forming position of an object image, and to transmit information on the movement amount of the image forming position of the object image and information indicating the insertion state of the optical filter to the lens unit.

Abstract: An imaging lens includes first to fifth lens elements arranged from an object side to an image side in the given order. Through designs of surfaces of the lens elements and relevant lens parameters, a short system length of the imaging lens may be achieved while maintaining good optical performance.

Abstract: There is provided a lens module including: a first lens having positive refractive power; a second lens having positive refractive power; a third lens having refractive power; a fourth lens having negative refractive power; a fifth lens of which an object-side surface is convex; and a sixth lens having an inflection point formed on an image-side surface or an object-side surface thereof.

Abstract: A compact, small F-value imaging lens with a wide field of view which corrects aberrations properly. Its elements are arranged in order from an object side to an image side: an aperture stop, a positive first lens having convex surfaces on the object and image sides, a negative second lens having a concave image-side surface, a meniscus positive third lens having a convex image-side surface, and a negative double-sided aspheric fourth lens having a concave image-side surface. With an F-value smaller than 2.4, it satisfies conditional expressions (1) to (3): 0.8<ih/f<0.95??(1) TLA/2ih<0.9??(2) ?4.0<r3/r4<6.0??(3) where ih: maximum image height f: focal length of the imaging lens overall optical system TLA: total track length r3: curvature radius of the second lens object-side surface r4: curvature radius of the second lens image-side surface.

Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned sequentially from an object side to an image side. Through controlling the convex or concave shape of the surfaces and/or the refracting power of the lens elements, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.

Abstract: A six-piece optical lens for capturing image and a six-piece optical module for capturing image are provided. In order from an object side to an image side, the optical lens comprises a first lens element with positive refractive power having a convex object-side surface; a second lens, a third lens, a fourth lens and a fifth lens elements with refractive powers and both of an image-side and an object-side surfaces of the four lens elements are aspheric; and a sixth lens with negative refractive power and both of an image-side and an object-side surfaces of the four lens elements are aspheric, and at least one of the image-side surface and object-side surface of the six lens elements has one inflection point. Each of the six lens elements may have a refractive power. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

Abstract: An imaging lens substantially consists of a negative first lens group and a positive second lens group in this order from the object side. The first lens group substantially consists of only a first lens, which is one biconcave lens. The second lens group substantially consists of, in the following order from the object side: a cemented lens, which is formed by bonding a positive lens and a negative lens, in this order from the object side, and which has a positive refractive power as a whole; an aperture stop; a positive lens; and a negative lens. The imaging lens is configured to satisfy the conditional expressions (1a): 0<f23/f<2.5 and (2a): 0<f45/f<6 at the same time.

Abstract: A wide angle lens includes a first lens group having negative refractive power, as a whole, a second lens group having positive refractive power, as a whole, and a third lens group having positive refractive power, as a whole, in this order from an object side. The first lens group includes a positive meniscus lens with its convex surface facing the object side and three negative meniscus lenses, each with its convex surface facing the object side, in this order from the object side. The second lens group includes at least one cemented lens. The material of at least one of the three negative meniscus lenses in the first lens group satisfies the following conditional expression (1), and the material of at least one of the other negative meniscus lenses in the first lens group satisfies the following conditional expressions (2) and (3): ?da>81??(1); ?db<25??(2); and ??gFb>0.015??(3).

Abstract: A zoom lens consists of, in order from the object side, a first lens group having a positive refractive power, a second lens group having a negative refractive power, one or two middle lens groups including a mp lens group having a positive refractive power, and a rearmost lens group disposed at the most image side position of the entire system and having a positive refractive power, wherein magnification change is effected by changing all distances between the adjacent lens groups, and focusing from an object at infinity to a closest object is effected by moving only the entire mp lens group or only a part of lens groups forming the mp lens group along the optical axis, the lens group moved during focusing includes a positive lens and a negative lens and has a positive refractive power as a whole, and given condition expressions are satisfied.

Abstract: Provided are a variable power optical system in which the value of the entire length with respect to the image height is reduced and the aberration is well corrected, and an image pickup device comprising the same. Specifically provided is a variable power optical system comprising, in order from the object side, at least a first lens group having negative refractive power, a variable power group having positive refractive power, and a final lens group having positive refractive power, wherein the variable power group is provided with, in order from the object side, a first lens element having positive refractive power, a second lens element, and a third lens element, the second lens element has a convex shape on the object side, and the final lens group comprises a positive lens, the variable power optical system satisfying the following conditional expression: 10?VdLg?45 ?1.0<(R2a?R2b)/(R2a+R2b)<1.

Abstract: A laser scanning microscope (LSM) consisting of at least one light source from which an illumination beam path extends in the direction of a sample, at least one detection beam path for transmitting sample light to a detector array, a first pinhole for confocal filtering in front of the detector array, a scanner for causing a relative motion between the illumination light and the sample in at least one direction, and a microscope lens. For illuminating a sample, at least two illumination beams, which the microscope lens focuses as illumination points in a sample plane, are generated in the illumination beam path. The laser scanning microscope is characterized in that in addition to the preferably adjustable, slit-shaped first pinhole, a second, preferably adjustable, slit-shaped pinhole is arranged downstream of the first pinhole so as to create optically conjugate beams arranged between the first and the second pinhole.

Abstract: The invention relates to a method for operating a microscope in which excitation light is focused on, or beamed to, different points of a specimen, in which an intensity of the excitation light is point-specifically varied and in which an intensity of the light reflected by said specimen in at least one spectral range is measured point-specifically and quantitatively. The method according to the invention is characterized in that the intensity and/or a spectral composition of the excitation light beamed to a specific point of said specimen is automatically adjusted by a regulating device on the basis of information previously gained from measured data of said specimen concerning an estimated or actual intensity of the light reflected in the spectral range by said point such that an integral of the intensity of the light reflected in the spectral range by this point during a pixel dwell time is within a predefined value interval. The invention also relates to a microscope.

Abstract: A sequence of individual images is acquired by imaging the sample through imaging optics onto an image sensor. For the acquisition of each individual image, the sample is provided with a marker pattern, in which individual markers can be imaged in the form of spatially separable light distributions through the imaging onto the image sensor. The centroid positions of the light distributions are determined and superimposed to form a complete image of the sample. According to the present invention, an image-drift-inducing temperature value (?T1, ?T2, . . . , ?Tn) is measured during the acquisition of the sequence of individual images. A temperature-dependent drift value (?X1, ?X2, . . . , ?Xn; ?Y1, ?Y2, . . . , ?Yn) is correlated to the image-drift-inducing temperature value (?T1, ?T2, . . . , ?Tn) based on predetermined correlation data. The determined centroid positions are corrected based on the drift value (?X1, ?X2, . . . , ?Xn; ?Y1, ?Y2, . . . , ?Yn).

Abstract: An autofocus method for a microscope with an objective which images a sample lying in an object plane, including the steps: projecting a longitudinally extended grating slit which lies in a grating slit plane onto the sample, and imaging the projection of the grating slit onto an autofocus camera; determining an intensity distribution of the grating slit image and from this, deducing a preset for a relative adjustment of sample and object plane; projecting a likewise longitudinally extended comparison slit onto the sample, and imaging the projection of the comparison slit onto the autofocus camera; evaluating the width of the comparison slit image at right angles to the longitudinal extension at at least two sites which are spaced apart along the longitudinal extension, and determining a width variation of the comparison slit image, a gradient of the width variation and a direction of the relative adjustment.

Abstract: A changing apparatus for a microscope (10) comprises a carrying body (50, 150, 250, 350) supported rotatably around a rotation axis (R), having a first coupling part (52), and at least one optical element (100, 200, 300, 400) having a second coupling part (102) that is couplable to the first coupling part (52) for releasable mounting of the optical element (100, 200, 300, 400) on the carrying body (50, 150, 250, 350). The first coupling part (52) comprises a first mechanical coding structure (56) and the second coupling part (102) comprises a second mechanical coding structure (104) that, in a predetermined installation alignment toward the first coding structure (56), is complementary thereto and, in that installation alignment, is placeable onto the first coding structure (56) perpendicularly to the rotation axis (R) of the carrying body (50, 150, 250, 350).

Abstract: A microscope system includes a microscope frame on which a stage is placed; and a camera head, in which an objective lens is attachable, for capturing an image of a specimen, the camera head being attached to the microscope frame by being fitted, and being slidable with respect to the microscope frame in a direction that is parallel with a surface of the stage placed on the microscope frame and orthogonal to an optical axis of the attached objective lens.

Abstract: A three-dimensional (3D) microscope for patterned substrate measurement can include an objective lens, a reflected illuminator, a transmitted illuminator, a focusing adjustment device, an optical sensor, and a processor. The focusing adjustment device can automatically adjust the objective lens focus at a plurality of Z steps. The optical sensor can be capable of acquiring images at each of these Z steps. The processor can control the reflected illuminator, the transmitted illuminator, the focusing adjustment device, and the optical sensor. The processor can be configured to capture first and second images at multiple Z steps, the first image with the pattern using the reflected illuminator and the second image without the pattern using one of the reflected illuminator and the transmitted illuminator.

Abstract: An imaging system for digital stereo microscope is disclosed, wherein the system comprising two camera units with each camera unit comprises a lens and the two lenses of the two camera units are focused below the respective lens and optical axes of both lenses are arranged to focus at a same point; a main controller configured to provide both sensors with a common trigger signal for outputting image data and a common pixel reference clock signal for each sensor to generate its own pixel clock signal; a synchronous synthesizer for generating synthesized image data with left eye image data located on the left side and the right eye image data located on right side by synchronizing and synthesizing the left eye data and the right eye image data output by the respective sensor; the synthesized image data is compresses and encoded in the main controller to generate RGB image data corresponding to parallel image data; a stereoscopic display convertor for receiving the RGB image data and converting the received RGB

Abstract: The illustrative embodiments provide for a computer implemented method, computer readable medium, and data processing system for adjusting a perceived image seen through an optical observation device. The azimuth-elevation-rotation of the optical observation device is measured relative to an observer. The field of view observed through the observation device appears with at least one of rotated and inverted optical translation relative to observation of the object with an unaided eye of the observer. Based on the celestial coordinate system inherent in the design of the mounting of the optical observation device, moving optical observation device in the optical translation direction, wherein the field of view moves in the optical view direction, and wherein the celestial coordinate system is selected from a group consisting of an equatorial coordinate system and an azimuth-elevation coordinate system.

Abstract: An unobscured afocal three-mirror telescope can provide a two-axis gimbal architecture that is more compact, more lightweight, and less expensive than traditional coudé path approaches. The telescope can create a real exit pupil and position the exit pupil on a 90-degree fold mirror. Two orthogonal rotational axes can intersect substantially at or about the center of the telescope's exit pupil and on or about the center of the last fold mirror.

Abstract: A variable-wavelength interference filter includes: a first substrate; a second substrate facing the first substrate; a first reflection layer provided on a surface facing the second substrate, of the first substrate; a second reflection layer which is provided on a surface facing the first substrate, of the second substrate, and faces the first reflection layer via an inter-layer gap; and an electrostatic actuator which flexes the second substrate in a direction toward the first substrate and thus changes the inter-layer gap. The first reflection layer and the second reflection layer have a reflectance characteristic showing a higher reflectance to light with a second wavelength that is shorter than a first wavelength, than a reflectance to light with the first wavelength.

Abstract: A synchronizable optomechanical oscillator (OMO) network including at least two dissimilar silicon nitride (Si3N4) optomechanical resonators that can be excited to evolve into self-sustaining optomechanical oscillators (OMOs) coupled only through an optical radiation field. The tunability of the optical coupling between the oscillators enables one to externally control the dynamics and switch between coupled and individual oscillation states.

Abstract: A light shielding apparatus using magnetic microbeads and a method of the same are disclosed. The light shielding apparatus includes a cycling chamber defined by two transparent substrates, a fluid filled in the cycling chamber, a plurality of magnetic microbeads suspended in the fluid, and a cycling motor connected to the cycling chamber. The cycling motor has a magnetic device. When the magnetic device is powered on, the magnetic microbeads are collected by the magnetic device and restricted in the cycling motor; so that, ambient light pass through the cycling chamber and the two transparent substrates. When the magnetic device is turned off, the magnetic microbeads are recycled with the fluid in the cycling chamber and the cycling motor to block ambient light.

Abstract: A directional pixel for use in a display screen is disclosed. The directional pixel receives a planar lightbeam and includes a light propagating layer and a grating to scatter a portion of the planar lightbeam into a directional lightbeam having a direction and angular spread controlled by the grating.

Abstract: An optical resonance scanner has a spring-elastic bending element (10) excitable to effect rotational oscillations about a longitudinal axis (A-A) using a stationary magnet (9) and a stationary drive coil (5) that is wound around a pole shoe (20). The pole shoe (20) is magnetically coupled to the magnet (9) and has two mutually opposite free ends (21, 22) between which the bending element (10) is arranged symmetrically so that a magnetic flux can be transferred substantially perpendicularly to the longitudinal axis (A-A). In superimposition of the magnet- and coil-induced magnetic fluxes the magnet (9) and a first half (23) of the pole shoe (20) form a first magnetic circuit (30), and the magnet (9) and a second half (24) of the pole shoe (20) form a second magnetic circuit (31), which run in opposite senses with respect to one another in a plane perpendicularly to the longitudinal axis (A-A) through a magnetizable section (6) of the bending element (10).

Abstract: The invention relates to a scanner device having a mirror arranged so as to be pivotable about an axis of rotation, an iron core with an air gap, a coil arranged about a portion of the iron core, and two permanent magnets. The two magnets have differently directed magnetizations and are arranged inside the air gap at different angular rotation positions with respect to the axis of rotation. An armature made of a soft-magnetic material is arranged on the mirror in such a manner that the armature is residing inside the air gap and, by means of application of electric current to the coil, the armature is moved toward one of the two magnets, depending on the direction of the current, and the mirror rotates.

Abstract: The invention relates to an objective (4) and to a method for designing said objective (4) for a dental camera (1), the objective (4) comprising at least two lenses (9, 10, 20, 21) and the dental camera (1) comprising a light source (3) and an image sensor (7). An illuminating beam emitted by the light source (3) is focused by the objective (4), imaged on an object (8) to be measured, and reflected by the object (8) to be measured to form a monitoring beam (12). The monitoring beam (12) passes through the objective (4) and is directed toward the image sensor (7), the illuminating beam (11) being partially reflected by surfaces (9?, 9?, 9?, 10?, 10?, 20?, 20?, 21?, 21?) of the lenses (9, 10, 20, 21) to form reflected beams (17.1 to 17.8). The objective (4) comprises means (27) for tilting each lens (9, 10, 20, 21) relatively to the illuminating beam (11) such that the optical axis (9?? 10??, 15.1, 15.

Abstract: A near-to-eye (NTE) display system and method are provided for reducing artifact display in a NTE display that is worn, at least partially, on a viewer's head. The movement of the NTE display is sensed while displaying an image that comprises individual content frames on the NTE display. A characteristic of the individual content frames of the displayed image is varied based on the sensed movement.

Abstract: Embodiments of the present invention are directed toward enabling a user to quickly interact with a graphical user interface (GUI) displayed by the HMD. Utilizing techniques provided herein, a hand or other object can be used to select visual elements displayed by the HMD. The visual elements can be located within larger active regions, allowing the user to more easily select a visual element by selecting the active region in which the visual element is disposed.

Abstract: A display device includes a light source which outputs laser light, an illumination optical system which emits the laser light as illumination light, a spatial modulation element which diffracts the illumination light by displaying a diffraction pattern, a diffraction pattern acquiring unit which acquires a basic diffraction pattern generated based on an image, and a diffraction pattern process unit which uses the basic diffraction pattern and a correction diffraction pattern for correcting the basic diffraction pattern to generate, as the diffraction pattern to be displayed on the spatial modulation element, a combined diffraction pattern obtained by correcting the basic diffraction pattern by the correction diffraction pattern. The spatial modulation element displays diffracted light, which is diffracted by displaying the combined diffraction pattern, to a user as a fictive image.

Abstract: An eyepiece for a head wearable display includes a light guide component for guiding display light received at a peripheral location offset from a viewing region and emitting the display light in the viewing region. The light guide component includes an input surface oriented to receive the display light into the light guide component, an eye-ward facing side having a first curvature, a world facing side having a second curvature, a total internal reflection (“TIR”) portion disposed proximal to the input surface to guide the display light using TIR, and a partially reflective portion disposed distal to the input surface to receive the display light from the TIR portion and guide the display light to the viewing region using partial reflections. The first and second curvatures of the eye-ward and world facing sides together operate to adjust the vergence of the display light to virtually displace an image.

Abstract: An apparatus for providing adjustable transparency to an optical element of a head wearable display includes an electro-chromic film disposed across the optical element to adjust a transparency of the optical element to ambient light and a transparency controller coupled to control the electro-chromic film with a drive signal to decrease the transparency of the optical element as the brightness of the ambient light increases. The transparency controller includes a scaling circuit coupled to receive a power signal from a power source and coupled to output the driving signal to the electro-chromic film to control the transparency of the optical element. The scaling circuit scales the power signal to generate the driving signal. The transparency controller further includes a control circuit coupled to the scaling circuit to control the scaling applied by the scaling circuit.

Abstract: The tiled array of fiber scanners includes multiple fiber scanners arranged in a polygonal pattern determined based on analysis results. Multiple fiber scanners generate multiple component images tiled to form a seamless overall image. A fiber scanner is devised through analysis and includes projector optics, a single-core or multi-core scan fiber disposed within an actuator tube coupled with the projector optics within a housing tube according to analysis results and one or more compensators.

Abstract: A real-world viewer can include viewing optics positioned along a viewing optical axis for viewing a field of view of the real-world. An active display overlay unit can be optically coupled to the viewing optical axis of the viewing optics, for generating images and directing the images along the viewing optical axis of the viewing optics for simultaneous overlaid viewing of the images in the real-world scene as viewed in the field of view through the viewing optics. The active display overlay unit can be capable of providing full-color luminance of at least t 1200 fL to the ocular of the host system with a luminance to power fL:mW ratio of at least 6:1 or greater or providing monochrome luminance from the active display overlay unit of at least 5000 fL to the ocular of the host system with a luminance to power fL:mW ratio of at least 15:1 or greater.

Abstract: A light consolidation assembly for attaching to a light pipe includes a housing having therein at least a first light source configured to generate a first light and a second light source configured to generate a different, second light. The light consolidation assembly also includes a light consolidator having a body including a light entry end coupled to the housing and a light exit end. The light entry end has multiple spaced-apart branches that converge into a stem that extends from the multiple branches to the light exit end. The light consolidator is configured to receive the first and second lights into respective first and second branches of the multiple branches. The first and second lights are directed into the stem and exit the light consolidator at the light exit end for transmission through a light pipe disposed at the light exit end of the light consolidator.

Abstract: An optical system is configured to introduce light modulated by a reflective light modulator to a projection lens configured to project the light onto a target plane. The optical system includes a polarization beam splitter configured to introduce each of first colored light as p-polarized light and second colored light as s-polarized light to a corresponding one of reflective optical modulators that are different from each other, and to synthesize light fluxes modulated by the reflective optical modulators with each other, a beam splitter arranged between the polarization beam splitter and the projection lens and configured to split the first colored light in accordance with a polarization direction of the first colored light and to transmit or reflect the second colored light irrespective of a polarization direction of the second colored light, and a half-wave plate arranged between the polarization beam splitter and the beam splitter.

Abstract: It is an object to reduce 3D moiré and provide a higher-quality three dimensional image display device. The three dimensional image display device includes a display panel on which rows of pixels for right eye and rows of pixels for left eye are alternately arranged in a lateral direction, the display panel planarly displaying an image for three dimensional display, and a parallax forming liquid crystal panel for forming a parallax in an image for right eye and an image for left eye displayed by the display panel. Lateral direction center positions, which are vertexes of luminance in the lateral direction of an image for right eye and an image for left eye, where the image for three dimensional display is visually sensed through the parallax forming liquid crystal panel, are respectively positions shifted in the lateral direction in different positions in the screen longitudinal direction.

Abstract: Disclosed are a naked-eye 3D backlight module, a naked-eye 3D display device, and a naked-eye 3D display method. The naked-eye 3D display device comprises: a light emitting diode (LED) sequential circuit board comprising a plurality of sets of LED backlight sources; a plurality of convex lenses provided in one-to-one correspondence with the LED units; a plurality of polygonal prisms provided in one-to-one correspondence with the LED backlight sources; a thin film transistor liquid crystal display (TFT-LCD) having a refresh frequency the same as a sequential frequency of the LED backlight sources and configured to control transmissions of the n parallel light beams; and a multiple-viewing-angle parallax barrier configured to form the n parallel light beams, which are respectively oriented in the n directions after passing through the TFT-LCD, into an n-viewpoint area display in space. A three-dimensional (3D) viewing angle for the human eyes is greatly enlarged.

Abstract: A light deflection element is capable of deflecting incident light so as to follow a position of an observer and suppressing reduction in intensity of light that reaches eyes of the observer regardless of their position. The light deflection element includes: a first optical element configured to deflect incident light; a second optical element configured to change a deflection direction of emitted light by changing a refractive index thereof according to a voltage applied thereto; a third optical element; and a control section configured to control the voltage applied to the second optical element. At least one of interfaces between the first and second optical elements and the second and third optical elements is an aspheric surface. The aspheric surface has an optical power that compensates enlargement of the emitted light which is caused by refractive index distribution caused when a voltage is applied to the second optical element.

Abstract: Image stabilization systems and methods include a detector configured to detect images, an actuator coupled to the detector, a sensor coupled to the detector and configured to detect motion of the detector, and an electronic processor in communication with the sensor and the actuator, where the electronic processor is configured to, for example: (a) receive information about motion of the detector from the sensor; (b) determine components of the motion of the detector, and associate a class with each of the determined components; (c) identify components to be compensated from among the determined components based on the associated classes; and (d) generate a control signal that causes the actuator to adjust a position of at least a portion of the detector to compensate for the identified components.

Abstract: A cosmetic contact lens includes a first polymerized diffractive film of predetermined shape that is polymerized within a second polymer that supports the first polymerized diffractive film at a desired position and forms the contact lens.

Abstract: This invention describes Ophthalmic Devices with media inserts that have photonic elements upon or within them. In some embodiments passive ophthalmic devices of various kinds may be formed. Methods and devices for active ophthalmic devices based on photonic based projection systems may also be formed.

Abstract: Contact lenses may be designed with locally thinned regions to increase oxygen transmissibility to the eye. The locally thinned regions are preferably positioned outside of the optic zone and in the thicker peripheral zone. For a contact lens formed from a specific material, creating local thinner regions, for example, dimples in the back curve surface of the lens, provides an effective and efficient means for increasing oxygen diffusion.