Abstract: An optical adapter assembly includes a mounting member and an adapter member selectively coupled to the mounting member, the adapter member including an adapter housing extending in the longitudinal direction, a jacket engagement member that is selectively positionable within the fiber insertion path and that is structurally configured to engage an outer jacket of a fiber optic cable positioned within the fiber insertion path, a sleeve positioned at least partially within the adapter housing and extending around the fiber insertion path, and a mounting member engagement portion that is engaged with the mounting member and that restricts movement of the adapter member with respect to the mounting member in the longitudinal direction.

Abstract: Connector (C) comprises: an anchoring element (30) involving a latch (20); a semi-tubular clamp (40), having a front end portion (41), inserted and locked in the anchoring element (30), and by a back end portion (42) internally provided with inner teeth (43), between which a cable cover (CC) extension of a single fiber optical cable (1) is inserted and locked, by interference; a tubular housing (50) involving the anchoring element (30) and clamp (40). The clamp's (40) inner teeth (43) are radially protruding inwards, from the internal surface of the clamp's (40) back end portion, to end, each of them, in a cutting edge (43a) contained in plane orthogonal to the clamp's (40) geometric axis and anterior to the cross section of the respective inner tooth (43).

Abstract: A fiber tray with an adjustable fiber boot exit angle includes one or more trays each including a base layer and a retention mechanism for one or more optical fibers at various positions about the base layer, wherein the one or more trays provide management of the one or more optical fibers in a fiber optic assembly; a fiber boot at an exit point of a tray of the one or more trays, wherein the fiber boot provides an exit for the one or more optical fibers from the fiber tray; and an adjustment mechanism configured to adjust an exit angle of the one or more optical fibers by changing position of the fiber boot, wherein the exit angle is set based on a type of the fiber optic assembly.

Abstract: A small form factor pluggable (SFP) optical transceiver module is provided. It includes a shell assembly that encloses an optical fiber connector configured to connect to a SFP optical transceiver and a retaining mount that is configured to be attached to a body portion of a device housing of a network device. The SFP optical transceiver is configured to interface a network device motherboard to a fiber optic at a given port of the network device. The shell assembly is configured to removably latch onto the retaining mount. The shell assembly includes a base and a body coupled to each other. The body has a latch to securely attach the optical fiber connector and the SFP optical transceiver to the retaining mount while allowing the SFP optical transceiver to be swapped as needed to reconfigure the given port of the network device.

Abstract: Optical coupling systems are provided. An optical coupling system includes a first optical fiber end (122a) having a first core (124a), a second optical fiber end (122b) having a second core (124b), and a laser diode (110) optically coupled to the first core and the second core at an optical coupling location. The laser diode emits a light beam having an asymmetrical cross-sectional light beam profile comprising a fast axis diameter and a slow axis diameter. The fast axis diameter is longer than the slow axis diameter. Further, the first optical fiber end and the second optical fiber end are adjacently positioned along the fast axis diameter of the asymmetrical cross-sectional light beam profile of the laser diode at the optical coupling location such that the first core and the second core are within the asymmetrical cross-sectional light beam profile at the optical coupling location.

Abstract: In accordance with an embodiment, a welding assembly is disclosed that allows for a laser assembly to be coupled into a socket of the same and held at a fixed position, e.g., by a mechanical grabber of a welding system. The mechanical grabber may then travel along one or more axis to bring the TOSA module into mechanical alignment with an opening of an associated optical subassembly housing. The welding assembly may further include an alignment member that provides one or more alignment contact surfaces configured to be brought directly into contact with a surface of the associated subassembly housing. When the one or more alignment contact surfaces are “flush” with the surface of the subassembly housing the emission face of the TOSA module is substantially parallel, and by extension, optically aligned with the opening of the associated subassembly housing.

Abstract: In various aspects, an optical connector with a built-in photodetector for detecting light in the optical connector; an adapter for detachably receiving an optical connector, comprising an electrode configured to electrically contact an electrode of the optical connector; a connection apparatus comprising an arrangement of adapters for detachably receiving a plurality of optical connectors, each adapter comprising an electrode configured to electrically contact an electrode of the respective optical connector; a system with an interface configured to make an optical connection with an optical connector and a processing unit configured to receive from the connector an indication and to generate a feedback signal indicative of said indication; and/or an optical connector responsive to light to generate an electrical signal is provided.

Abstract: There is provided herein a fiber including a fiber body with a fiber body material having a longitudinal axis along a fiber body length. A plurality of devices is disposed as a linear sequence of devices within the fiber body. Each device includes at least one electrical contact pad. At least one electrical conductor is disposed within the fiber body. The electrical conductor is electrically connected to an electrical contact pad of devices in the plurality of devices. A weavable device includes at least one device material arranged in a planar device configuration and connected to an electrical contact pad. An electrically insulating, mechanically flexible fiber body material encapsulates the planar device configuration and contact pad and has a fiber body length greater than 10 m. An electrical conductor is electrically connected to a device contact pad and extends the fiber body length.

Abstract: A compartmentalized enclosure for controlling access to different components in a telecommunications system including a lower housing member shaped to define an outer perimeter portion and a cavity, a panel member configured to move between a closed panel position, where the panel member prevents access to equipment within the cavity, and an open panel position, where the panel member permits access to the cavity, wherein the panel member is disposed in the cavity of the lower housing member, and is shaped to define a inner perimeter portion that is configured to substantially match and fit within the outer perimeter portion of the lower housing member so as to form a substantially perimeter matching portion that prevents access to equipment within the cavity between the inner perimeter portion and the outer perimeter portion when the panel member is in the closed position.

Abstract: A closure (15) is installed at a network distribution point to facilitate upgrading a subscriber network (10) to extend optical fibers closer to the subscribers (18). The closure (15) may include active equipment to convert optical signals to electrical signals. The closure (15) enables a plug-and-play connection to the active equipment to facilitate installing and/or upgrading active equipment at the closure (15). The closure (15) also is expandable to enable drop cables (or other optical cable) to be routed from the closure (15) towards the subscribers (18).

Abstract: A tray assembly for a fiber optic system to organize optical fibers. The tray assembly includes a backbone structure with a plurality of backbone segments that are connected together and are positioned along an expansion/contraction axis of the backbone structure. The tray assembly also includes a stack of fiber management trays that are connected to the backbone structure. Each of the fiber management trays are pivotally connected to the backbone segments at a pivot axis. The backbone segments are moveable relative to one another along the expansion/contraction axis to allow the backbone structure to be moved between an expanded state and a contracted state.

Abstract: A multi-positionable tray assembly (20) for mounting within a chassis (10) of a telecommunications panel (100) is disclosed. The multi-positionable tray assembly (20) may include support arm (24) that pivotally supports a tray (22) and that allows the tray assembly (20) to be installed and removed from the chassis (10). The tray (22) and the support arm (24) cooperatively define a cable routing pathway (208) that extends through a pivot axis (A1) defined by the tray and the support arm. To minimize the required depth of the tray (10) and optimize cable routing, the tray (20) can include a cable management structure (102) with a patch panel (104) having a plurality of adapters (108) arranged along a transverse axis (A2), wherein the transverse axis is non-parallel or oblique to a front plane (A4) of the tray.

Abstract: The present disclosure relates to an optical termination enclosure having an enclosure housing containing a fiber management assembly. The enclosure housing can define sealed cable ports and can include cable anchor mounting locations in alignment with the cable ports. Cable anchoring and grounding units can be attached at the cable anchor mounting locations. The fiber management assembly can include a fiber break-out arrangement including a resilient grommet used to anchor a protective tube that carries optical fibers from the cable anchor mounting location to the fiber management assembly.

Abstract: A camera system comprising a zoom lens is disclosed. The camera system may be used in a measuring apparatus, having a tube-like guide system having a tube body, which defines a tube interior and an optical axis, a sensor module disposed downstream of the guide system and an optical sensor for detecting optical radiation, at least one first carriage which has an optical assembly having at least one optical element and an optical system carrier, is arranged in a manner linearly moveable along the optical axis in the tube interior and is mounted in a manner guided substantially without play through the tube body in a plane perpendicular to the optical axis, and a first drive system for moving the first carriage along the optical axis, said first drive system being decoupled from the guide system.

Abstract: A driving mechanism includes a frame, a carrying base, and a drive module. The carrying base is disposed in the frame, and includes a carrying body, a first stop element and a second stop element. The carrying body is configured to carry an optical element. The first stop element is disposed on the carrying body, and configured to limit the range of motion of the carrying body in a first direction. The second stop element is disposed on the carrying body, and configured to limit the range of motion of the carrying body in the first direction. The driving module is disposed in the frame, and configured to move the carrying body relative to the frame. The first direction is parallel to the axis of the optical element, and the first stop element is closer to the top portion of the frame than the second stop element.

Abstract: The present embodiment relates to a dual camera module comprising: a substrate; a first image sensor disposed on the substrate; a second image sensor disposed on the substrate while being spaced apart from the first image sensor; a housing disposed on the upper side of the substrate; a first bobbin disposed on the upper side of the first image sensor inside the housing; a second bobbin disposed on the upper side of the second image sensor inside the housing; a first coil disposed in the first bobbin; a second coil disposed in the second bobbin; and a first magnet which is disposed between the first coil and the second coil and faces the first coil and the second coil.

Abstract: A camera module is provided. The camera module includes a lens barrel including at least one lens and a lens hole, and a variable aperture including an aperture hole area which is arranged on the lens hole formed in the lens barrel, a size of the aperture hole area being is adjustable, and an electronic device including the same.

Abstract: A lens barrel includes at least one lens, the optical axis of the lens; the first frame (the fixed frame 900) having the first restricting portion (901, 902) and having an approximately cylindrical shape about the optical axis; the second frame (1000) having the cam groove (1036) and having an approximately cylindrical shape about the optical axis; the third frame (510) having the guide portion (511) which restricts inclination thereof with respect to the first contact portion (514) and the optical axis and having an approximately cylindrical shape about the optical axis; the drive arm (520) having a cam follower (523), the second restricting portion (524, 525) and the second contact portion (526), and having an approximately arcuate shape constituted of a portion of a circular cylinder about the optical axis or an approximately plate shape; the guide shaft (601) for guiding the guide in a movable manner in the optical axis direction; and the spring (603).

Abstract: A lever is used to rotate a microelectromechanical systems (MEMS) mirror. The lever can be used to provide more torque from a vertical comb drive. The MEMS mirror can be part of an array of micro mirrors used for beam steering a laser in a Light Detection and Ranging (LiDAR) system for an autonomous vehicle.

Abstract: An automatic focus system for an optical microscope that facilitates faster focusing by using at least two cameras. The first camera can be positioned in a first image forming conjugate plane and receives light from a first illumination source that transmits light in a first wavelength range. The second camera can be positioned at an offset distance from the first image forming conjugate plane and receives light from a second illumination source that transmits light in a second wavelength range.

Abstract: A photographing lens assembly includes, in order from an object side to an image side: a plurality of lens elements and an aspheric image surface. Each of the lens elements of the photographing lens assembly has an object-side surface facing toward the object side and an image-side surface facing toward the image side, and each of the lens elements is a single and non-cemented lens element.

Abstract: An optical imaging system includes, in the given order from the object side to the image side, a first lens element, a second lens element, a third lens element, and a fourth lens element arranged along an optical axis. The lens elements of the optical imaging systems may be made of the same material having absorption in visible wavelengths and high transmission in near infrared radiation. The lens elements may be coated with an antireflective coating that is optimized for near infrared radiation. The optical imaging system satisfies the relations 2.13°?HFOV/Fno?8.75°, and 0.56?G23/T1?1.54, where HFOV is the half field of view and Fno is the F number of the optical imaging system, G23 is an air gap between the second and third lens elements along the optical axis, and T1 is a thickness of the first lens element along the optical axis.

Abstract: An optical imaging lens system includes six lens elements which are, 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, a fifth lens element and a sixth lens element. The first lens element has negative refractive power. The fourth lens element has an image-side surface being convex in a paraxial region thereof. The fifth lens element has positive refractive power. The sixth lens element has an object-side surface being convex in a paraxial region thereof.

Abstract: An image pickup lens comprises a first lens having negative refractive power, a second lens having positive refractive power, a third lens having negative refractive power, a fourth lens having positive refractive power, and a fifth lens having negative refractive power, from an object side to an image side. The image pickup lens has an optical axis. A portion of a surface of the first lens facing the object side and close to the axis is convex, a portion of a surface of the first lens facing the image side and close to the axis is concave. A portion of a surface of the fourth lens facing the object side and close to the axis is convex, a portion of a surface of the fourth lens facing the image side and close to the axis is convex. The image pickup lens has large field of view and small volume.

Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens. The camera optical lens further satisfies specific conditions.

Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens. The camera optical lens further satisfies specific conditions.

Abstract: An optical imaging lens includes a first, a second, a third, a fourth, a fifth, a sixth, a seventh and an eighth lens elements from an object side to an image side in order along an optical axis. The first lens element and the second lens element both have positive refracting power. An optical axis region of an object-side surface of the fifth lens element is concave. A periphery region of an image-side surface of the fifth lens element, an optical axis region of an object-side surface of the sixth lens element and an optical axis region of an object-side surface of the seventh lens element are convex. Materials of the third, the fourth and the eighth lens elements are plastic. The eight lens elements are the only lens elements having refracting power in the optical imaging lens.

Abstract: A camera system for a vehicle comprising a capturing unit which comprises an optical element and image sensor with surface, to capture a section of a vehicle environment. The optical element has a distortion curve r=f(?), wherein r is the distance between an object point displayed on the image sensor surface and the intersection point of the optical axis with the image sensor surface, and ? is the angle between the optical axis of the optical element and the beam incident on the optical element from the object point. The distortion curve r=f(?) has, for rw=f (?w) within 0<r<rmax, a turning point ?w; rw, for which r?=f?(?w)=d2r/d?2 (?w)=0 applies, wherein rmax is the distance r=f(?max) on the image sensor surface from the optical axis to the most distant edge of the image sensor.

Abstract: Methods and apparatus for implementing a camera having a depth which is less than the maximum length of the outer lens of at least one optical chain of the camera are described. In some embodiments a light redirection device, e.g., a mirror, is used to allow a relatively long optical chain with a relatively large non-circular outer lens. In some embodiments the light redirection device has a depth, e.g., front of camera to back of camera dimension, which is less than the maximum length of the aperture of the outer lens in the aperture's direction of maximum extent. Multiple optical chains with non-circular outer lenses arranged in different directions may and in some embodiments are used to capture images with the captured images being combined to generate a composite image.

Abstract: Zoom digital cameras comprising a Wide sub-camera and a folded fixed Tele sub-camera. The folded Tele sub-camera may be auto-focused by moving either its lens or a reflecting element inserted in an optical path between its lens and a respective image sensor. The folded Tele sub-camera is configured to have a low profile to enable its integration within a portable electronic device.

Abstract: A dual-band refractive optical system having an eyepiece-type arrangement and configured for mid-wave infrared and long-wave infrared operation. In one example the optical system includes a plurality of lenses, each constructed from a material that is optically transparent in the mid-wave infrared and long-wave infrared spectral bands. The lenses are arranged to receive infrared electromagnetic radiation in an operating waveband that includes at least a portion of the mid-wave infrared and at least a portion of the long-wave infrared spectral bands via a front external aperture stop and to focus the infrared electromagnetic radiation onto a rear image plane, the lenses being positioned between the front external aperture stop and rear image plane. The optical system can further include a corrector plate positioned coincident with the front aperture stop.

Abstract: Provided is an optical system according to the present invention, comprising a protection cover made of resin and a lens portion arranged in order from an object side to an image side, in which the protection cover includes an aspherical surface whose shape changes continuously from an optical axis to a peripheral portion, and where an effective diameter of the aspherical surface is represented as 2×ha, a distance sag1 in a direction of the optical axis between the aspherical surface and a reference spherical surface of the aspherical surface at a position where the height from the optical axis is ha, and a thickness tc of the protection cover on the optical axis are appropriately set.

Abstract: The imaging optical system consists of, in order from the magnification side, a first optical system and a second optical system. The second optical system forms an intermediate image at a position conjugate to the reduction side imaging surface, and the first optical system re-forms the intermediate image on the magnification side imaging surface. The second optical system consists of, in order from the magnification side, a first positive lens, a cemented lens having a positive refractive power as a whole, and a second positive lens. The cemented lens includes one negative lens and one positive lens.

Abstract: The present invention is a modular electronic-optical-mechanical apparatus, to be used by observers in combination with a wide variety of optical image sources, for observing, acquiring and sharing the optical imagery of objects, and the audio and sounds derived from observing sessions bi-directionally in real time with audiences both remote and local. The apparatus enables observers who are local or remote from optical image sources to control and acquire optical imagery from optical image sources, where those optical image sources include microscopes, telescopes, IR scopes, spotting scopes, polarimeters, interferometer microscopes, interferometers, rifle scopes, surveillance scopes, drone optics, binoculars, theodolites, autocollimators, alignment telescopes, camera lenses, periscopes, slit lamp bio microscopes and dioptometers.

Abstract: A method for determining the size of a void-type defect in a top side of a structure comprising a top layer placed on a substrate, the defect being located in the top layer, includes introducing the structure into a reflected darkfield microscopy device in order to generate, from a light ray scattered by the top side, a defect-related first signal and a roughness-related second signal. The intensity of the roughness-related second signal is captured with a plurality of pixels. The intensity captured by each pixel is compared with the intensities captured by neighboring pixels. It is defined whether or not the pixel is contained in an abnormal zone. The standard deviation of the intensity values captured by the pixels of the abnormal zone is extracted, and the size of the void-type defect associated with the abnormal zone is determined from the extracted standard deviation. A new device may be used for carrying out such a method.

Abstract: The present invention provides a light-field microscope including: an illumination optical system that radiates excitation light onto a sample; and a detection optical system including an objective lens that collects fluorescence generated in the sample as a result of the sample being irradiated with the excitation light by the illumination optical system, an image-acquisition element that acquires an image of the fluorescence collected by the objective lens, and a microlens array disposed between the image-acquisition element and the objective lens. The illumination optical system radiates a beam of the excitation light having a predetermined width in the optical-axis direction of the objective lens so as to include the focal plane of the objective lens onto the sample in a direction substantially perpendicular to the optical axis.

Abstract: A specimen processing system is capable of processing specimens carried on slides. The specimen processing system can sequentially deliver slides and opposables to specimen processing stations. The specimen processing stations can use the opposables to apply a series of liquids to the specimens. The applied liquid can be moved along the slide using capillary action while the specimen processing stations control the processing temperatures.

Abstract: A microscope has a light source for generating a light beam having a wavelength, ?, and beam-forming optics configured for receiving the light beam and generating a Bessel-like beam that is directed into a sample. The beam-forming optics include an excitation objective having an axis oriented in a first direction. Imaging optics are configured for receiving light from a position within the sample that is illuminated by the Bessel-like beam and for imaging the received light on a detector. The imaging optics include a detection objective having an axis oriented in a second direction that is non-parallel to the first direction. A detector is configured for detecting signal light received by the imaging optics, and an aperture mask is positioned.

Abstract: Provided is an information processing apparatus including a detection unit configured to detect a failure requiring reimaging relating to an image captured using a digital microscope by evaluating the image, and a generation unit configured to, if the failure was detected by the detection unit, generate setting information for setting an imaging condition for during reimaging.

Abstract: The present disclosure relates to the display technical field and discloses specifically an electrowetting display apparatus, comprising: an electrowetting casing including a black oil layer to which an ultraviolet absorbing material is added; an ultraviolet light source arranged at a lower side of the electrowetting casing, for emitting ultraviolet (UV) light upwards; and a colored fluorescent layer arranged at an upper side of the electrowetting casing. By means of the electrowetting display apparatus in the present disclosure, wherein the ultraviolet light source emits UV light, the ultraviolet absorbing material in the black oil layer absorbs the UV light when the black oil layer spreads, and the colored fluorescent layer displays colors when the black oil layer is applied with electric power and then contracts, such that no colored membrane is necessary to achieve a colored display, and thus an outstanding display effect can be realized.

Abstract: An electrowetting cell includes a substrate that includes a well filled with at least one fluid an external contact surface. The substrate is formed of ceramic or fiberglass mesh infused with resin. A control channel electrode connection pad and a common electrode connection pad are on the external contact surface. A first plate is coupled to the substrate to seal a first end of the well. A second plate is coupled to the substrate to seal a second end of the well. The electrowetting cell further includes a control channel electrode on the substrate configured to control a shape of the at least one fluid via an electric field, a common electrode, a control channel electrode interconnect connected to the control channel electrode and the control channel electrode connection pad, and a common electrode interconnect connected to the common electrode and the common electrode connection pad.

Abstract: A holographic display device and holographic display method are provided. The holographic display device includes at least one light-source generator. The light-source generator includes: at least one laser device, configured to irradiate laser light; at least one light expander, configured to expand the laser light from the at least one laser device into a plurality of beams of light; and at least one light condenser, configured to condense the plurality of beams of light from the at least one light expander to generate a pair of virtual light sources capable of alternately emitting light at a predetermined frequency.

Abstract: A multi-directional bar code scanning device having multiple laser emitters matched with a single photosensitive receiver is disclosed. Multiple paths of laser beams generated by N laser emitters are projected towards a rotatable reflector group via a light projection reflector, and the rotatable reflector group projects the laser beams towards tilted reflector groups, such that multiple paths of laser scanning beams are generated and projected towards a bar code. A beam scatter by the bar code is reflected reversely towards a light collection reflector and focused on a single photosensitive receiver. The device can increase the number of scanning beams and the scanning directions, thereby expanding the scope of depth of field, and preventing the issues which multiple photosensitive receiver cannot operate simultaneously when a single channel is utilized and preventing non-coaxial optical signal crosstalk, thus improving decoding speed, and lowering the cost of the device.

Abstract: A photometric system design methodology employs genetic algorithms to optimize the selection of optical elements for inclusion in the photometric system in order to improve system performance with respect to environmental conditions (i.e., to “ruggedize” the photometric system). The genetic algorithms utilize a multi-objective fitness function to evolve simulated optical element selection, which may be a combination of optical filters and integrated computational elements. The system may also output a size reduced database that serve as simulated candidate optical elements through global optimization, or may output a fixed number of simulated optical elements through conditional optimization for actual tool implementation and calibration analysis.

Abstract: A head-up display system and method are provided that suppress double images from a combiner by eliminating or reducing a reflection of a refracted image from the back surface of the combiner. The combiner contains a tilted axis polarizing structure that attenuates transmittance and subsequent reflection of a refracted polarized projector image but maintains high transmittance for the forward external scene imagery.

Abstract: In order to provide a transmission type screen having a flat scattered intensity within a predetermined scattering angle, a transmission type screen (50) according to the present invention comprising a first surface (51), and a second surface (52) opposed to the first surface (51), wherein: the first surface (51) is equipped with a microlens array (57) including a plurality of microlenses; the second surface (52) is equipped with a light diffusion surface (60); and a diffusion angle ratio of a diffusion angle of the light diffusion surface (60) relative to a diffusion angle of the microlens array (57) is not less than 0.2 and not more than 0.4.

Abstract: A heads up display system of a vehicle includes a combiner screen having a first substantially transparent substrate defining a first surface and a second surface, a second substantially transparent substrate defining a third surface and a fourth surface. A primary seal is disposed between the first and second substrates. The seal and the first and second substrates define a cavity therebetween. An electro-optic material is positioned within the cavity and a transflective layer having a multilayer polymeric film positioned on one of the first and second surfaces, and a projector for projecting light having a first polarization toward the first surface of the first substrate.

Abstract: The present disclosure provides a head up display device and system, relating to the field of display technology. The head up display device includes: a first display image generator, configured to generate a first linearly polarized light containing a first image; a second display image generator configured to generate a second linearly polarized light containing a second image; wherein the polarization direction of the first linearly polarized light is perpendicular to the polarization direction of the second linearly polarized light; a first polarizing beam splitter configured to combine the first linearly polarized light and the second linearly polarized light; and an optical component containing a plurality of reflective imaging elements, wherein the optical component is configured to reflect the first image and the second image into a user's eye.

Abstract: A head-mounted display (HMD) presented herein comprises an electronic display and an optical assembly. The electronic display is configured to emit image light. The optical assembly is configured to direct the image light to an eye-box of the HMD corresponding to a location of a user's eye. The electronic display is positioned with respect to an optical axis of the HMD such that a first portion of the image light emitted by a first portion of the electronic display and a second portion of the image light emitted by a second portion of the electronic display appear to originate at different distances from the optical assembly such that the optical assembly generates at least a first image plane associated with the first portion of the electronic display and a second image plane associated with the second portion of the electronic display.

Abstract: A light guide system (light guide device) includes a transparent light guide portion that guides light beams incident from one end side to a light-emitting portion. The light guide portion includes a first surface, a second surface which is parallel to the first surface, and a third surface which is positioned between the first surface and the second surface on another end side. A plurality of obliquely-inclined partial reflection surfaces are disposed between the first surface and the second surface, and the third surface is inclined in the same direction as that of the partial reflection surface. The third surface is configured with an anti-reflection surface for image light beams traveling through the light guide portion, and is covered by an anti-reflection film, a light absorption layer, a moth-eye type roughened surface, or the like. Therefore, occurrence of stray light due to reflection by the third surface can be suppressed.