Abstract: The present disclosure provides a backlight module and a display device. The backlight module includes a light source and a light guide plate. The backlight module further includes: a light collimation element configured to convert divergent rays emitted from the light source into parallel rays; a polarizing beam-splitting element configured to convert the parallel rays into a first polarized ray and a second polarized ray with their vibration directions perpendicular to each other; and a phase delaying element configured to convert the vibration direction of the second polarized ray to be identical to that of the first polarized ray, so as to form a third polarized ray. The first and third polarized rays form incident polarized rays entering into the light guide plate. The light guide plate is configured to receive the incident polarized rays.

Abstract: Disclosed herein is a light guide plate formed by injection molding of an aromatic polycarbonate resin that is a polymer of an aromatic dihydroxy compound and a diaryl carbonate. The aromatic dihydroxy compound and the diaryl carbonate are present in a mole ratio of about 1:1.02 to about 1:1.35, and the aromatic polycarbonate resin has a weight average molecular weight from about 10,000 g/mol to about 18,000 g/mol and includes about 5 mol % to about 30 mol % of terminal hydroxyl groups relative to total moles of terminal groups. The light guide plate formed of the aromatic polycarbonate resin can reduce a yellowing phenomenon upon injection molding, can exhibit low color deviation under high temperature and high humidity conditions, and can secure excellent properties in terms of discoloration resistance, and brightness quality (brightness uniformity), and the like.

Abstract: The present invention provides a laser backlight lamp assembly, having a LED light bar and a laser light bar at one side of the LED light bar, and a laser light source of the laser light bar is a green laser light diode; a LED lamp of the LED light bar has a base, a heat sinker installed in the base, a blue light lampwick fixed on the heat sinker and a light housing, and colloid containing fluoride red phosphor is filled inside the base, and the colloid covers the blue light lampwick, and the light housing covers the base and houses the colloid, and the laser light source of the laser light bar and the LED light bar illumine at the same time to be backlight lamps. The present invention further provides a backlight module and a display device.

Abstract: Provided is a light-emitting unit that includes: a light-guide section having a light entering surface; and a plurality of light sources opposed to the light entering surface of the light-guide section and arrayed in a first direction, and each having an anisotropy in emission intensity. A pattern shape of light applied from any of the light sources to the light entering surface has a shape anisotropy, and the light sources are each disposed to allow a longitudinal direction of the pattern shape to be inclined relative to the first direction.

Abstract: A display device including a display panel, a backlight assembly to provide light to the display panel, a bottom chassis to accommodate the backlight assembly, a shield chassis connected to the bottom chassis, an insulation tape disposed between the shield chassis and the bottom chassis, the insulation tape including a bolt having grooves defined therein, and a bolt extending through the bolt area and coupling the shield chassis to the bottom chassis. The bolt area is separated into portions at the grooves by the bolt, such that the portions of the bolt area electrically insulate the bolt from the bottom chassis.

Abstract: Electronic devices may include displays having backlight structures that include optical films. The optical films may help guide light from the backlight structures to display layers that generate display images using the light. The optical films may be attached together at one or more locations. The optical films may be attached to a structural member of the backlight structures. The structural member may be formed along each edge of the optical films and prevent the optical films from sliding within the display. Each optical film may be designed to expand to a common lateral size when the display is operated at a display operating temperature. The optical films may each include an elongated opening such as a slot through which a pin can be placed to partially constrain the movement of the optical films while allowing the optical films to expand or contract under changing thermal conditions in the display.

Abstract: The present invention provides a liquid crystal display device. The device includes a light guide plate, a color filter substrate, an array substrate and a light shading tape. Wherein, a side wall of the concave slot is an incline slope, an edge of the color filter substrate is supported on the incline slope of the concave slot, an edge of a plastic frame is aligned with an edge of the array substrate, and a light shading tape for relatively fixing the color filter substrate and the light guide plate. The present invention can realize a narrow frame and no frame design of the liquid crystal display device. The structure of the display panel is simplified in order to simplify the manufacturing process and reduce the production cost.

Abstract: This display includes a light source portion, a first heat radiation member for radiating heat generated by the light source portion, a rear housing covering the first heat radiation member in a state in contact with the first heat radiation member, and a cover member covering a rear surface of the rear housing so that the rear surface of the rear housing is partially exposed outward. The first heat radiation member is arranged on a region corresponding to a region of the rear housing exposed outward from the cover member as viewed from the side of the rear surface.

Abstract: An optical fiber having a core comprising silica and greater than 1.5 wt % chlorine and less than 0.5 wt % F, said core having a refractive index ?1MAX, and a inner cladding region having refractive index ?2MIN surrounding the core, where ?1MAX>?2MIN.

Abstract: A sensor system having a multi-pass interaction region is disclosed. The system includes an input region, a multi-pass region, and an output region. The input region is configured to receive emitted light. The multi-pass region is coupled to the input region and is configured to absorb portions of the emitted light according to a specimen proximate the multi-pass region. The output region is coupled to the multi-pass region and is configured to provide interacted light from the multi-pass region.

Abstract: A technique that does not increase the circuit size, does not make the circuit design and manufacturing difficult, and can reduce insertion loss when light enters from a slab waveguide toward an arrayed waveguide or when the light enters from the arrayed waveguide toward the slab waveguide. An optical waveguide provided with a slab waveguide in which a grating is formed therein at a distance from an end, and an arrayed waveguide whose end is connected to an end of the slab waveguide at a position where a constructive interference portion of a self-image of the grating is formed.

Abstract: An optical signal processing apparatus using a planar lightwave circuit (PLC) with a waveguide-array structure includes a PLC board including a waveguide-array structure, a cylinder lens for collimating optical signals emitted and output from the PLC board into parallel beams, a condenser lens for condensing, for each channel, optical signals output by passing through the cylinder lens, and a light receiving element for receiving optical signals condensed on at least one channel from the condenser lens and converting the optical signals into electrical signals, wherein the PLC board divides an optical signal input thereto into a plurality of different optical signals and outputs the optical signals at different propagation angles.

Abstract: Embodiments of the invention describe apparatuses, systems, and methods of thermal management for photonic integrated circuits (PICs). Embodiments include a first device and a second device comprising including waveguides, wherein the first and second devices have different thermal operating conditions. A first region is adjacent to a waveguide of the first device, wherein its optical mode is to be substantially confined by the first region, and wherein the first region has a first thermal conductivity to dissipate heat based on the thermal operating condition of the first device. A second region is adjacent to a waveguide of the second device, wherein its optical mode is to be substantially confined by the second region, and wherein the second region has a second thermal conductivity to dissipate heat based on the thermal operating condition of the second device. In some embodiments, thermal cross talk is reduced without significantly affecting optical performance.

Abstract: A light-emitting device includes a photoluminescent layer that emits light containing first light, a light-transmissive layer located on or near the photoluminescent layer, a low-refractive-index layer and a high-refractive-index layer. A submicron structure is defined on the photoluminescent layer and/or the light-transmissive layer. The low-refractive-index layer is located on or near the photoluminescent layer so that the photoluminescent layer is located between the low-refractive-index layer and light-transmissive layer. The high-refractive-index layer is located on or near the low-refractive-index layer so that the low-refractive-index layer is located between the high-refractive-index layer and the photoluminescent layer.

Abstract: System, apparatus, and method embodiments are provided for optical waveguide crossings. In an embodiment, a system for transmitting an optical signal across an optical obstruction includes a first optical waveguide optically coupled to a first surface grating coupler (SGC); a second optical waveguide optically coupled to a second SGC; and a reflector configured to reflect an optical signal from the first SGC to the second SGC.

Abstract: Embodiments herein describe disposing a waveguide adapter onto an SOI device after the components on a silicon surface layer have been formed. That is, the waveguide adapter is disposed above optical components (e.g., optical modulators, detectors, waveguides, etc) formed in a surface layer. In one embodiment, a waveguide in a bottom layer of the waveguide adapter overlaps a silicon waveguide in the surface layer such that the silicon waveguide and the waveguide in the bottom layer are optically coupled. The waveguide adapter also includes other layers above the bottom layer (e.g., middle and top layers) that also contain waveguides which form an adiabatic optical system for transmitting an optical signal. At least one of the waveguides in the multi-layer adapter is exposed at an optical interface of the SOI device, thereby permitting the SOI device to transmit optical signals to, or receive optical signals from, an external optical component.

Abstract: Herein is disclosed an optical device for orthogonal redirection of electromagnetic radiation. The optical device includes, in one instance, an optical redirection element that includes a lens and an total-internal-reflectance (TIR) bevel, the lens having a principal axis and a lens radius; an optical fiber having a longitudinal axis and having an output surface positioned proximal to the lens, the output surface having an output surface diameter that is less than or equal to the lens radius; where the output surface is eccentric to the principal axis.

Abstract: An enclosure assembly for a terminating transmission line and electrical connector has a housing sub-assembly and a telescoping sub-assembly. The telescoping sub-assembly has a retained state where the telescoping sub-assembly is longitudinally fixed within the housing sub-assembly, and a retaining section with a minimum retaining position, and a maximum retaining position distanced from the minimum retaining position along a longitudinal direction of the enclosure assembly.

Abstract: Reduced-profile connection components are described. The reduced-profile connection components are configured to connect various data transmission elements, including cables, network devices, and computing devices. A non-limiting example of a connection component includes a fiber optic connection component, including connectors, adapters, and assemblies formed therefrom. In some embodiments, the connection components may include mechanical transfer (MT) and multi-fiber push-on/pull-off (MPO) connection components, such as MT ferrules and MPO adapters. The reduced-profile connection components configured according to some embodiments have a smaller profile and/or require less parts to achieve a connection compared to conventional connection components. In some embodiments, the reduced-profile connection components may be used with conventional connection components. For example a reduced-profile connector may use a conventional MT ferrule to establish a connection within a conventional MPO adapter.

Abstract: Various connector housings for securing an optical cable, as well as methods of use and manufacture thereof are disclosed. A single-piece unitary connector housing body may include a first opening formed in a first end of the housing body, a second opening formed in a second end of the housing body, a bore through the housing body extending from the first opening to the second opening, and a back post surrounding the second opening. The first opening may be configured to receive a terminating optical cable and the second opening may be configured to receive a fiber optic cable. The back post may extend from the second opening in a longitudinal direction and may include a plurality of protrusions thereon. A length of the back post may have a concave shape.

Abstract: A fiber optic connector inner housing employing a front-loading retention feature for receiving and retaining a ferrule holder, and related fiber optic connectors, cables, and methods are disclosed. In one example, the inner housing has an opening extending therethrough and at least one bayonet locking mechanism that includes an insertion slot, a rotation slot, and a retention slot disposed in an interior surface of the opening. A ferrule holder having a key portion is inserted into the opening such that the key portion is received by the insertion slot. The ferrule holder is next rotated in the rotation slot and released such that a bias member within the inner housing moves the key portion of the ferrule holder into the retention slot, thereby retaining the ferrule holder in the inner housing and preventing accidental removal of the ferrule holder from the inner housing.

Abstract: A receptacle connector includes a receptacle ferrule, a receptacle housing and a spacer. The receptacle ferrule has a first front end portion having a receptacle interface part In the receptacle housing, the receptacle ferrule and a plug connector having a second front end portion having a plug interface part configured to be optically coupled with the receptacle interface part are to be accommodated. The spacer has a first surface configured to contact the first front end portion, and a second surface configured to contact the second front end portion. The spacer is arranged in the receptacle housing. At a state where the first front end portion is contacted to the first surface of the spacer and the second front end portion is contacted to the second surface of the spacer, the receptacle interface part and the plug interface part face each other at a predetermined interval.

Abstract: An optical connector which includes a body including a contact part having a contact groove, a cover having an outer surface on which a protruding lock region is formed, a first insertion part formed on one side end portion of the contact part, and a second insertion part formed on the other side end portion of the contact part. A holder is inserted to be slidable onto the contact part and the cover. A guide protrusion is formed to protrude from each side surface of the cover. A guide slot concavely formed on each inner side surface of the holder in a longitudinal direction of the holder. The guide protrusion is inserted into and guided by the guide slot. The guide slot includes an unlock region in which a vertical distance from an inner upper surface of the holder to a contact point of the guide slot.

Abstract: An installation tool for terminating one or more field optical fibers with a fiber optic connector includes a guide member and camming member. The guide member has a slot extending in an axial direction and is configured to receive a portion of the fiber optic connector. The camming member is positioned next to the guide member and is movable between a first position spaced from the slot and a second position axially aligned with the slot. Additionally, the camming member is configured to engage and actuate a cam member of the fiber optic connector by moving from the first position to the second position when the fiber optic connector is received in the slot.

Abstract: A first transmissive diffraction grating includes a multiplexed transmission region; a second diffraction grating includes multiple demultiplexed transmission regions that are spatially displaced from one another and characterized by average corresponding grating-normal vector direction, grating wavevector magnitude, and grating wavevector direction. The demultiplexed transmission regions differ with respect to at least one of those parameters.

Abstract: A technique for fabricating a hybrid optical source is described. During this fabrication technique, a III-V compound-semiconductor active gain medium is integrated with a silicon-on-insulator (SOI) chip (or wafer) using edge coupling to form a co-planar hybrid optical source. Using a backside etch-assisted cleaving technique, and a temporary transparent substrate with alignment markers, a III-V compound-semiconductor chip with proper edge polish and coating can be integrated with a processed SOI chip (or wafer) with accurate alignment. This fabrication technique may significantly reduce the alignment complexity when fabricating the hybrid optical source, and may enable wafer-scale integration.

Abstract: An opto-electric hybrid board according to the present invention includes a substrate including an insulation layer and a metal reinforcement layer. An electric circuit part is provided on the front surface of the substrate, and an optical waveguide part is provided on the back surface thereof. The metal reinforcement layer includes an optical coupling through hole and an alignment through hole. The electric circuit part includes an electrical interconnect line, an optical element, a first alignment mark for positioning of a mirror part, and a second alignment mark for positioning of the optical element. The mirror part of the optical waveguide part is positioned with respect to the first alignment mark visually recognized through the alignment through hole, and the optical element of the electric circuit part is positioned with respect to the second alignment mark.

Abstract: An apparatus for forming a transceiver interface includes an fiber optic ferrule and an optical transceiver component. The fiber optic ferrule engages a mating plane of a lens array in the optical transceiver component. The engagement of the two components may be removable rather than fixed. The fiber optic ferrule also engages a mechanical interface to account for three degrees of freedom, while the engagement of the mating surfaces account for another three degrees of freedom.

Abstract: An optical bench includes a substrate having a trench therein, and a light emitting device within the trench. The optical bench further includes a light receiving device optically connected to the light emitting device. The optical bench further includes at least one active circuit electrically connected to the light emitting device. The optical bench further includes a waveguide in the trench, wherein the waveguide is optically between the light emitting device and the light receiving device. The optical bench further includes an optically transparent material between the light emitting device and the waveguide.

Abstract: An aspect of the present invention is an optical element that combines light waves using a spatial optical system, including a housing section, an optical waveguide element, a combine section, and a collimator section is provided. The housing section has a storage space and is formed by joining two or more members together. The optical waveguide element is provided in the storage space and emits at least two light waves. The combine section is provided outside the storage space and combines the light waves emitted from the optical waveguide element outside the housing section using a spatial optical system. The collimator section is connected to the housing section, holds the combine section, and includes a light focusing section configured to focus a light wave combined by the combine section and an optical fiber to which the light wave focused by the light focusing section is introduced.

Abstract: An architected system of distribution of power and information using copper wire for power distribution and fiber optic for communication of information. The architected system is comprehensive for connections and upgrades related to the function, installation, terminations at every junction of a 3 wire plus light system. The archetected system enables each powered device in a smart home, smart office, or smart industrial installation with respect to a permanent and adaptable framework for an network foundation and structure. The architected system may include: wire, connectors, housings, devices, extension cords, appliance termination points, central processing, central power distribution, and a software methods for reliable data distribution.

Abstract: An optical fiber adapter according to the present disclosure includes a main body, an inner housing, an elastic shutter member and a spring. The main body has an axial accommodation room defined by a first wall, a second wall, a third wall and a fourth wall. The accommodation room has opposing first and second openings in the axial direction. The inner housing is placed within the accommodation room and includes a hollow cylinder extending from the front surface of a flange. The shutter member is positioned within the accommodation room and includes a base portion, a shutter plate and a connecting portion. The connecting portion connects the base portion with the shutter plate. The shutter plate extends from the connecting portion and arrives in front of an opening of the hollow cylinder. The shutter plate is movable with respect to the base portion. The spring is positioned within the accommodation room to push the shutter member toward the first opening of the accommodation room.

Abstract: A photonic integrated circuit is provided. The photonic integrated circuit includes a substrate having a through hole interconnecting a first surface and a second surface; a transmission wire passing through the through hole and including an optical transmission structure and an electrical transmission structure; and an optical-to-electrical converter connected to the optical transmission structure of the transmission wire on the first surface.

Abstract: An objective of the disclosure is to improve workability in extracting optical fibers in an optical fiber unit in which a bundle of optical fibers is bundled by bundling members, and to suppress/prevent an increase in transmission loss even when tension is applied to the bundling members. This optical fiber unit includes: a plurality of optical fibers; and at least three bundling members that bundle the optical fibers into a bundle. A first bundling member, among the plurality of bundling members, is arranged along a length direction of the bundle of optical fibers so as to be wound on an outer circumference of the bundle of optical fibers. The first bundling member is joined with a second bundling member at a contact point where the first bundling member contacts the second bundling member, and is joined with a third bundling member, which is different from the second bundling member, at a contact point where the first bundling member contacts the third bundling member.

Abstract: A fiber optic cable has a cable core that includes at least one optical fiber coupled to a fiber optic connector. A cable adapter sleeve is axially mounted on the cable core to surround the cable core, the cable adapter sleeve including a body portion that has a first outer diameter and a collar that has a second outer diameter that is greater than the first outer diameter. A crush sleeve is seated within a crush groove of the collar.

Abstract: A telecommunications assembly includes a chassis and a plurality of modules removably mounted within the chassis. The modules include one or more fiber optic signal input locations. The modules include optical equipment for splitting the input signals into customer output signals.

Abstract: A molding system includes a flexible cable carrier body that defines a sealing opening that provides access to an interior channel. A continuous length of the flexible cable carrier body is wrapped about a spool for storage and for ease of dispensing at a work site. The continuous length of the cable carrier body is cut to desired custom lengths during installation at the work site. An insertion tool having a plow and feeder channel can facilitate payoff of the fiber/cable into the cable carrier body.

Abstract: An imaging apparatus includes: a lens mount section; an imager having an imaging plane on which an image having an image height obtained through a lens device mounted to the lens mount section is formed; an imaging process section correcting transverse chromatic aberration of an imaging signal obtained by the imager; and a control section determining an imager size in accordance with the diameter of the lens device mounted to the lens mount section and correcting a correction coefficient for the correction of transverse chromatic aberration at the imaging process section according to the size thus determined.

Abstract: Disclosed is a lens driving apparatus. The lens driving apparatus includes a base formed at a center thereof with a first opening; a housing coupled with the base and having a second opening corresponding to the first opening; a yoke installed on the base and including a horizontal plate having a third opening corresponding to the first opening and a vertical plate protruding upward from the horizontal plate; a bobbin movably installed in the yoke and coupled with a lens module; a coil fixedly disposed around the bobbin; a plurality of magnets provided at the vertical plate of the yoke to face the coil; and a spring installed on at least one of upper and lower portions of the yoke to return the bobbin, which has moved up due to interaction between the magnet and the coil, to its initial position.

Abstract: An image capturing apparatus to which a lens unit having an optical imaging system is attachable, comprising: an image sensor configured to generate an image signal by performing photoelectric conversion on a light flux passing through the optical imaging system; a first calculation unit configured to obtain first control information for focus control by using a signal output from the image sensor; and a second calculation unit configured to obtain second control information for focus control without using a signal output from the image sensor, and transmit the second control information to the lens unit. The first calculation unit transmits the first control information to the lens unit without mediation of the second calculation unit.

Abstract: A camera lens includes, lined up from the object side to the image side, a first lens with positive refractive power, a second lens with negative refractive power, a third lens with positive refractive power, and a fourth lens with negative refractive power. The camera lens satisfies specific conditions.

Abstract: An imaging lens assembly includes, arranged in succession from an object side to an image side, a first lens L1 having a positive refractive power, a second lens L2 having a negative refractive power, a third lens L3 having a negative refractive power, a fourth lens L4 having a positive or a negative refractive power, a fifth lens L5 having a positive refractive power, and a sixth lens L6 having a negative refractive power.

Abstract: An endoscope apparatus includes an image pickup unit comprising a plurality of image pickup devices and an optical path dividing member for dividing an entering light beam into a plurality of optical paths, wherein respective optical path lengths are different from one another; a contrast comparing member for comparing contrasts of a plurality of images; an image selecting member for selecting and outputting only one image signal from one image pickup device among the plurality of image pickup devices, on a basis of comparison result by the contrast comparing member; and a driving member for moving a movable lens so that a difference among the contrasts of the plurality of images is largest, wherein a part of an objective lens is configured to be movable in an optical axis direction.

Abstract: An imaging lens assembly is disclosed in the present disclosure. The imaging lens assembly includes, in order from an object side to an image side: a stop; a first lens having a positive refractive power, a convex object-side surface and a convex image-side surface; a second lens having a negative refractive power and a convex and meniscus shaped image-side surface; a third lens having a positive refractive power, a convex object-side surface and a convex image-side surface; a fourth lens having a negative refractive power, an image-side surface being concave at a paraxial region and being convex and meniscus shaped at a peripheral region, and an object side-surface being convex at the paraxial region; the image-side surface of the fourth lens having an inflection point; at least one of the image-side surfaces of three lenses being spherical; and the imaging lens assembly satisfying following condition: 2.4 < R ? ? 6 R ? ? 7 < 2.6 .

Abstract: A macro lens system includes, in this order from an object side: a positive first lens group; a negative second lens group; a positive third lens group; a negative fourth lens group; a positive fifth lens group; and a negative sixth lens group. The first lens group is constituted by three lenses. The second lens group, the fourth lens group, and the fifth lens group are independently moved in the direction of the optical axes thereof when focusing from an object at infinity to an object at a most proximate distance. The second lens group moves toward the image side and the fourth lens group moves toward the object side when focusing from an object at infinity to an object at a most proximate distance.

Abstract: A camera lens includes, lined up from the object side to the image side, a first lens with positive refractive power, a second lens with negative refractive power, a third lens with negative refractive power, a fourth lens with positive refractive power, and a fifth lens with negative refractive power. The camera lens satisfies specific conditions.

Abstract: A camera lens is disclosed and includes from the object side to the image side: a first lens with positive refractive power; a second lens with negative refractive power; a third lens with negative refractive power; a fourth lens with positive refractive power; a fifth lens with positive refractive power; and a sixth lens with negative refractive power. Specific conditions are satisfied.

Abstract: Provided is an optical system, including, in order from an object side to an image side: a front group having a negative refractive power; an aperture stop; and a rear group having a positive refractive power, in which: the front group consists of in order from the object side to the image side: a negative first lens (L1) having a concave surface facing the image side; a second lens (L2); and a third lens (L3); the rear group consists of, in order from the object side to the image side: a positive fourth lens (L4); and a negative cemented lens (L56), which is obtained by cementing a positive fifth lens (L5) and a negative sixth lens (L6); and a focal length f56 of the cemented lens (L56) and a focal length f of the optical system are each appropriately set.

Abstract: A lens structure is provided. The lens structure comprises a first barrel and a second barrel. The first barrel comprises a first pin and a second pin. The second barrel comprises a continuous groove. Wherein in a wide-angle end, the first pin is located in the continuous groove and the second pin is located outside of the second barrel. Wherein in a telephoto end, the first pin is located outside of the second barrel and the second pin is located in the continuous groove.

Abstract: An imaging assembly for the viewing, imaging, and analysis of chemiluminescent or bioluminescent samples in gels or other substrates, in which an adjustable camera and lens module having a prime or fixed lens or a focusing lens is moved to change the field of view by shifting the focal plane of the camera and lens module. The imaging assembly can also include a mirror to bend or fold the optical path between the camera and lens module and the target area having a sample, in which the mirror can move in the same vertical direction as the camera and lens module. Further, the camera and lens module can be configured to more move in a diagonal direction relative to the location of the imaging target area. The imaging assembly can further have a duct system adaptable to adjust with the movement of the camera and lens module.