Abstract: A backlight unit (BLU), for a binocular holographic display apparatus, and the binocular holographic display apparatus including the BLU are provided. The BLU includes: a light source unit that emits coherent illumination light; and a light guide plate that is transparent and includes a light incidence surface onto which the coherent illumination light emitted by the light source unit is incident and a light emission surface through which the illumination light is output. The light source unit includes a beam deflector that adjusts an incidence angle of the illumination light incident onto the light guide plate.

Abstract: A backlight module and a display device are provided. The backlight module includes a light-guiding plate and a light bar arranged at a light incident side of the light-guiding plate. The backlight module further includes a light beam processing device arranged at an outside of the light-guiding plate to collect light beams not entered into the light-guiding plate, and configured to transmit the collected light beams to a light compensation position to emit the collected light beams into the light-guiding plate.

Abstract: A display apparatus including a directional backlight unit and a method of assembling the display apparatus are disclosed. The display apparatus includes an auxiliary structure coupled to an input coupler and a switch panel module.

Abstract: In one aspect, a display comprises a light source, a film-based lightguide with a light emitting region positioned adjacent to and directing light to an active area of a spatial light modulator in a thickness direction. The film may have a light mixing region positioned between a light input region and the light emitting region. In one aspect the display comprises a guide element having a surface curved in a first plane positioned along a first edge of the spatial light modulator, wherein the film is folded along the curved surface at a first fold such that the first fold positions a portion of the light mixing region above or below the active area, the light mixing region comprises the first fold, and an inner surface of the film in the light mixing region is in contact with and curved along the curved surface of the guide element.

Abstract: A quantum rod sheet includes: a first support layer including a plurality of grooves which extends substantially in a predetermined direction; a plurality of quantum rods arranged substantially in the predetermined direction along the grooves of the first support layer; and a second support layer which covers the first support layer and the quantum rods.

Abstract: A light emitting emblem includes: a board; a light source arranged at the board; a light guide plate having a second peripheral edge and an inner side portion, the second peripheral edge having a first surface facing the light source and a second surface opposite to the first surface, the first surface including a light entering part into which light from the light source is incident, and the second surface including an inclination part through which the light incident into the light entering part is reflected to the inner side portion from the second peripheral edge; and a shielding plate that shields the light from the light source and prevents light not incident from the light entering part from being incident into the inner side portion, wherein the inclination part is positioned at an outer edge of the light emitting emblem from the shielding plate.

Abstract: A touch panel assembly includes a touch panel, a flexible circuit board, an input element and a light emitting element. The touch panel includes sensing series and pads. The pads are disposed on bonding regions of the touch panel and electrically connected to the sensing series. The flexible circuit board includes bonding portions and a light guide portion. Each bonding portion is disposed at the bonding region and includes terminals electrically connecting the pads. The light guide portion includes a connecting portion connecting the corresponding bonding portion and an extending portion connecting the connecting portion and extended away from the touch panel. The input element is located right above the extending portion. The light emitting element is disposed at a light incident side of the light guide portion.

Abstract: A stacking-type optical sheet module includes an upper optical sheet having a first structural pattern with first unit light-condensing bodies successively repeated and cross-sectional areas gradually decreasing towards the top. A lower optical sheet has a second structural pattern and is below the upper optical sheet in a stack. Second and third unit light-condensing bodies are successively disposed in the second structural pattern. The second unit bodies have a gradually decreasing cross-sectional area toward the top and are joined with the upper optical sheet, and the third unit bodies have a gradually decreasing cross-sectional area toward the top, a vertical distance from a lowest to a highest portion thereof being relatively shorter than a corresponding vertical distance of the second unit bodies. A vertical angle of the highest portion of the second unit bodies is relatively smaller than a vertical angle of the highest portion of the third unit bodies.

Abstract: Materials and lightguides formed thereof that are suitable for use in lighting units to impart a color filtering effect to visible light. At least a portion of such a lightguide (16) is formed of a composite material comprising a polymeric matrix material and an inorganic particulate material that contributes a color filtering effect to visible light passing through the composite material, and the particulate material comprises a neodymium compound containing Nd3+ ions.

Abstract: In accordance with various embodiments of the disclosed subject matter, a backlight source, a related backlight unit, a related display apparatus, and fabricating methods thereof are provided. In some embodiments, the disclosed backlight source for a display panel can comprises: a light-bar; and a plurality of first light sources and a plurality of second light sources alternatively located on the light-bar in a staggered arrangement; wherein the plurality of first light sources use a first type phosphor that is able to realize a first color gamut range, while the plurality of second light sources use a second type phosphor that is able to realize a second color gamut range.

Abstract: A light source circuit unit and a lighting device including the light source circuit unit that are configured such that a bent-type metal substrate is formed on an upper surface of the printed circuit board so that the occurrence of a defect due to circuit damage at a bent part upon bending the substrate can be prevented, and slimness and a heat-dissipation property of a device can be improved. The light source circuit board includes: a substrate having a first part with at least one opening portion, and a second part bent from the first part; a printed circuit board on one surface of the substrate; and a light source element mounted to the printed circuit board and inserted into the opening portion, the light source element emitting light to an opposing side of the substrate.

Abstract: A light emitting module adapted to a mainboard is provided. The mainboard includes a side edge. The light emitting module comprises a circuit board and a light guide bar. The circuit board is detachably attached to the mainboard and adjacent to the side edge of the mainboard. A plurality of light emitting elements are disposed at the circuit board. The light guide bar is disposed at the circuit board, when the light emitting module is assembled to the mainboard, the light guide bar uniformly guides light from the light emitting elements. An electronic device including the light emitting device is also provided.

Abstract: A light source device which includes a reflection sheet suspended by protrusions which penetrate plural places of an outer peripheral edge part of the reflection sheet, and a light guide plate disposed to face the reflection sheet is provided. And the light guide plate has notches formed at positions corresponding to the protrusions of an edge part corresponding to the outer peripheral edge part of the reflection sheet. The light guide plate is provided with being extended using the notches to extend an image display region. The reflection sheet near the notches of the light guide plate reflects the light irregularly reflected near the notches to a light emitting surface side of the light guide plate.

Abstract: A light guide plate, a backlight module and a display device is provided. The light guide plate includes: a film limit part and a fixed part. The film limit part is arranged on a light exiting surface of the light guide plate as a protruding structure, limiting an optical film arranged on the light exiting surface of the light guide plate. The fixed part is arranged on a side surface of the light guide plate as a bump structure to fix the light guide plate to a frame arranged on the side surface of the light guide plate. Issues of vibration friction between the light guide plate and the optical film and poor white spots can be solved effectively according to the present disclosure.

Abstract: Discussed herein is an optical sheet and a display device having the same. In the display device, a fixing portion for fixing optical sheets is provided in the active area of a liquid-crystal panel, and the fixing portion is fixed to a buffer region for evacuation of the panel corner provided in the guide panel, thereby reducing the number of processing steps, and addressing the limitation that components are visible at some viewing angles.

Abstract: A display apparatus comprises: a display panel which displays an image on one surface thereof, a light guide plate disposed to face the other surface of the display panel; a plurality of optical sheets interposed between the display panel and the light guide plate; and a spacer which is sandwiched between the display panel and the light guide plate to secure a space for interposing the optical sheets therebetween, wherein the spacer has a space holding layer fixed to the light guide plate and securing the space, and a fixed layer sandwiched between the display panel and the space holding layer and fixed to the display panel, wherein the thickness of the space holding layer is thicker than a total of the thicknesses of the plurality of optical sheets except for an optical sheet nearest to the display panel.

Abstract: The exemplary embodiments herein disclose a backlight assembly having a light guide with a pair of opposing edges and a sliding LED subassembly placed along an edge of the light guide and attached to the light guide so that movement of the light guide causes movement of the sliding LED subassembly. In some embodiments, a first slot may be positioned within the light guide where a post extends from the sliding LED subassembly to engage with the first slot in the light guide. In some embodiments, a back pan may be positioned behind the light guide where a post can extend from the back pan to engage with a second slot in the light guide.

Abstract: Methods and structures for shielding optical waveguides are provided. A method includes forming a first optical waveguide core and forming a second optical waveguide core adjacent to the first optical waveguide core. The method also includes forming an insulator layer over the first optical waveguide core and the second optical waveguide core. The method further includes forming a shielding structure in the insulator layer between the first optical waveguide core and the second optical waveguide core.

Abstract: A photonic integrated circuit (PIC) having two tapered planar waveguide cores that are separated from one another by a relatively narrow gap, with each of these waveguide cores having a respective portion thereof located on a tapered planar slab core. The relative positions of the slab core and the two waveguide cores are such that the light crossing between the two waveguide cores undergoes a polarization rotation between the TM and TE polarizations with a relatively low insertion loss. The corresponding waveguide structure can be used as a relative polarization-rotating splitter for light propagating in one direction or as a relative polarization-rotating combiner for light propagating in the opposite direction. At least some embodiments of the disclosed PIC can advantageously be fabricated using a complementary metal oxide semiconductor technology and/or a conventional silicon-on-insulator platform.

Abstract: A waveguide fabrication method including the steps of providing a substrate including at least one waveguide recess structure and a stress release recess structure for receiving a waveguide material, and depositing the waveguide material onto the substrate and into both the waveguide recess structure and the stress release recess structure.

Abstract: An optical interface device for a photonic integrated system includes a plug and a receptacle. The receptacle is operably arranged on a PIC that supports waveguides. The plug operably supports optical fibers. The receptacle and plug are configured to operably engage to establish optical communication between the optical fibers and the waveguides. A tab on the receptacle is configured to constrain longitudinal motion while allowing for lateral motion of the receptacle to adjust its position relative to the PIC to optimize alignment. The plug can include a spacer sized to fit within a recess defined by the tab to further facilitate alignment. The receptacle and plug can be engaged and disengaged in a manner similar to conventional electrical connectors.

Abstract: A photonic circuit including a structure of coupling to an external device, the structure including a main waveguide and at least two secondary waveguides, each secondary waveguide having a first portion substantially parallel to the main guide arranged in the vicinity of the main guide to perform an evanescent wave coupling between the main guide and the secondary guide, the first portion extending in a second portion having an end opposite to the first portion defining a coupling surface of the secondary guide, emerging at the level of an external surface of the circuit.

Abstract: An optical element is coupled to a ferrule that holds an optical fiber for single mode. The optical element includes: a glass-made optical portion in which a plurality of lenses is disposed; and a resin-made holder that holds the optical portion. The lenses are disposed with respect to an end portion of the optical fiber, using at least a part of the holder.

Abstract: An optical selector arrangement (22), comprising: a first set of optical ports (30), having a first number of optical ports, the first number being greater than or equal to 2; a second set of optical ports (42), having a second number of optical ports, the second number being greater than the first number; the second set of optical ports being for communicating with the first set of optical ports, a selector interface (40) for the optical selector arrangement, the selector interface comprising the second set of optical ports (42), a part of the optical selector arrangement functioning as a selector (44), the selector being arranged to selectively optically couple the first set of optical ports (30) to a set of ports of the second set of optical ports (42) of the selector interface, the selector (44) being rotatable relative to the selector interface (40) to facilitate the selection by optically aligning the first set of optical ports (30) to the second set of optical ports (42) of the selector interface (40);

Abstract: The present invention generally relates to optical circuits for mitigating power loss in medical imaging systems and methods for using such circuits. Circuits of the invention can involve a first optical path, a second optical path, and a means for recombining an optical signal transmitted through the first and second optical paths by sequentially gating the first and second optical paths to a single output.

Abstract: An optical assembly is provided that includes a base sub-assembly a mounting point for an optical socket connector. The optical assembly further comprises a cover sub-assembly to be coupled to the base sub-assembly and a carrier to receive an optical fiber ferrule and permit opto-mechanical coupling between the optical fiber ferrule and the optical socket connector when the base-sub assembly is coupled to the cover sub-assembly.

Abstract: An optical connector apparatus includes a connector which is connected to an electro-optical composite cable including an optical fiber and a metal conductor, and a connection object to be connected. The connector is provided with a ferrule which has a conductive portion on at least a part of the surface thereof. The connection object to be connected is provided with an electrically conductive connection member to be connected to the ferrule. The ferrule and the cable are connected by a crimping structure. When the ferrule is inserted in the connection member, the connector and the connection object to be connected are electrically and optically connected to each other.

Abstract: An optical connector is disclosed. The optical connector provides a first plug, a second plug, a sleeve, a spring, and a shell. The first plug and the second plug jointly rotate without rubbing end surfaces of ferrules thereof. The second plug provides a projection, while, the shell provides a hollow that receives the projection of the second plug. The first plug is pushed against the second plug by the spring put between the first plug and the shell but unable to be detached from the second plug because of the projection of the second plug mated with the hollow of the shell, thereby the ferrules in the respective plugs make physical contact in the respective end surfaces.

Abstract: An optical receptacle includes a fiber stub including an optical fiber, a ferrule having a through-hole fixing the optical fiber, an isolator filled into the through-hole of the ferrule with the optical fiber, and a holder holding the fiber stub. The through-hole has a small and large diameter portions, the optical fiber is disposed in the small diameter portion over the entire region of the optical fiber, the large diameter portion is provided opposite to a side to be optically connected to a plug ferrule, the isolator has substantially the same refractive index as the fiber's core, is filled into the small and large diameter portions, and is polished to cause at least a portion of the isolator to be flat at an end surface portion of the fiber stub on the side with the large diameter portion.

Abstract: A cover part of an optical fiber is sandwiched and pressed between a pressure welding blade and a bottom surface part. As a result of this, in a case where an external force which pulls out the optical fiber from a housing, movement of the optical fiber is suppressed by a pressing force, which makes it difficult for a ferrule to go away from a mating optical fiber. Thus, efficiency in communication with the mating optical connector can be improved.

Abstract: An alignment sleeve for an optical fiber adapter includes features to bring precision alignment between optical fiber cores. The sleeve includes a tubular inner area to accept first and second ferrule ends of first and second connectors. First and second tabs project from first and second ends of the sleeve. The first and second tabs slide into holes in the ferrule holders or barrels of the first and second connectors, so as to provide rotational alignment of the first and second ferrules, which may be presenting multi-core optical fibers. A mid-portion of the sleeve may include geometrical features to enable a snap fit of the sleeve into a housing of the adapter. More than one tab may be employed at the ends of the sleeve, and the tabs may have defined spacing and/or dimensions to enable security keying, only permitting coupling between connectors possessing matching holes in the ferrule barrels.

Abstract: A fiber optic connector includes at least one ferrule configured to support at least one optical fiber, an inner connector body having a front end from which the at least one ferrule extends, a latch arm extending outwardly from the inner connector body, and a handle. The handle has a housing portion in which the inner connector body is at least partially received and a grip portion extending rearwardly from the housing portion. The handle can move relative to the inner connector body so that the housing portion can cause the latch arm to flex toward the inner connector body.

Abstract: Disclosed are optical connectors and methods for making the same. In one embodiment, the optical connector comprises an optical body, one or more first magnetic materials attached to the optical body, a housing, and one or more second magnetic materials attached to the housing. The first magnetic material(s) provide alignment with an optical element of a complimentary receptacle and the optical body may include one or more openings for receiving the first magnetic materials. The second magnetic material(s) attached to the housing provide retention of the optical connector with the complimentary receptacle when mated together. Consequently, the optical connector allows for quick and easy assembly along with a robust structure for a large number of mating/unmating cycles. In other embodiments, the optical devices disclosed may further include one or more electrical contacts for making a hybrid connection or have a TIR surface integrated into a portion of a housing.

Abstract: An optical transceiver that optionally exchanges between the bail and the pull-tab for disengaging the optical transceiver with the cage is disclosed. The optical transceiver provides a slider to be assembled with both of the bail and the pull-tab. The slider provides an opening common to the bail and the pull-tab, and a composite opening that includes a portion for the bail and another portion for the pull-tab. The bail, by rotating around the common opening, may induce forward and rearward motions for the slider, while, the pull-tab, by pulling and pushing, may directly cause the forward and rearward motions for the slider through the composite opening.

Abstract: Reversible polarity fiber optic connectors are provided having housings at least partially surrounding first and second optical ferrules with walls above and beneath the ferrules. Positioning removable elements such as latches, removable arms, or push-pull tabs on the first wall above the ferrules yields fiber optic connectors with a first polarity type, and positioning the removable elements on the second wall beneath the ferrules yields fiber optic connectors with a second, opposite polarity type. Various engagement mechanisms are provided on either the connector housing walls or on the removable elements, or both, to assist in affixing the removable element to the connector housing.

Abstract: The optical device includes a light sensor positioned on a base. The light sensor is configured to receive an input light signal and outputs a passed light signal that includes light from the input light signal. The optical device also includes a return system located on the base. The return system is configured to receive the passed light signal from the light sensor and to return at least a portion of the light from the passed light signal back to the light sensor.

Abstract: Disclosed is an optical module including an optical transmitter which is configured to output a first optical signal, an optical receiver which is configured to receive a second optical signal, a holder which is configured to include an optical fiber on which the first optical signal is incident and from which the second optical signal is emitted. The optical module further includes a first optical filter disposed between the optical transmitter and the holder to transmit the first optical signal and reflect the second optical signal, a first parallel light lens disposed between the first optical filter and the optical transmitter, and a second parallel light lens disposed between the first optical filter and the holder.

Abstract: A mirror device for use in an optical subassembly is disclosed that includes at least one surface with a visible indicator to allow a technician to differentiate a highly-reflective surface from relatively less reflective (e.g., un-coated) surfaces. The mirror device may be formed using known approaches, such as through the deposition of a metallic material on to a surface of the mirror device followed by one or more optional coating layers. Before, or after, forming the highly-reflective surface, a visual indicator may be introduced on to a surface of the mirror device that is opposite the highly-reflective surface. The visual indicator may comprise, for example, random scratches/scoring etched from a wire brush or tool, paint, epoxy, ink, or any other indicator that allows a technician to visually differentiate the portion of the mirror device having the visual indicator from the highly-reflective portion.

Abstract: A method of aligning an optical fiber with an optical component in a micro-optical sub-assembly, comprises: providing a groove in the micro-sub-assembly in alignment with the optical component; and placing the optical fiber in the groove, thereby aligning the optical fiber with the optical component. In this way a placement tool with an accuracy of 50 microns can be used to place an optical fiber with an alignment accuracy of one micron.

Abstract: There are provided a lens member, a method of manufacturing the lens member, a communication module, a lens array, and a light-source module, the lens member including a ready-made glass lens added with a mounting portion having a reference face as a plane for reference when the glass lens is mounted on a substrate. A lens member includes a glass ball lens to which sphericity processing has been previously performed, and a resin mounting portion disposed on the glass ball lens. The mounting portion is molded by flowing the resin in a flowable state into a die including the glass ball lens disposed therein. The mounting portion includes a reference face that abuts on a mounting face in a case where the glass ball lens is surface-mounted, provided thereto.

Abstract: A high-speed multi-channel optical transmitter module includes a plurality of laser-diode (LD) components, a plurality of photo-diode (PD) components, an MT ferrule, and a waveguide component. These components are firstly packaged as sub-modules individually, and then these sub-modules are packaged to form the high-speed multi-channel optical transmitter module. Therefore, the amount of individual components contained in the module is decreased, the complexity of structure is simplified, the precision of positioning is increased, such that the time and labors required in the assembling and packaging processes can be decreased, and the defect-free rate of products can be increased.

Abstract: A fiber optic cable includes core elements wound in a pattern of stranding, the core elements comprising tubes surrounding optical fibers. The fiber optic cable further includes an binder film surrounding the stranded core elements. The binder film is continuous peripherally around the core elements, forming a continuous closed loop when viewed in cross-section, and continuous lengthwise along a length of the cable that is at least a meter. Further, the binder film is in radial tension and opposes outwardly transverse deflection of the core elements.

Abstract: A fiber optic cable management kit including a plate having a plurality of slide-lock apertures oriented in various directions, at least one cable tie down adapted to slide-lock engage within the apertures, and at least one fiber organizer adapted to slide-lock engage within the apertures, wherein the kit serves to route and manage fiber optic cable routed within a rear end of a rack-mountable chassis.

Abstract: An assembly for breaking out hybrid power/fiber cable, comprising: a hybrid power/fiber cable comprising a plurality of conductors and a plurality of optical fibers, wherein first lengths of the conductors and the optical fibers are circumferentially surrounded by an armor layer, and wherein a portion of the armor layer is circumferentially surrounded by a cable jacket, and wherein second lengths of the conductors and the optical fibers are free of the armor layer and the cable jacket; a breakout sleeve having an internal bore, a portion of the cable jacket and a portion of the armor layer residing in the internal bore, and portions of the second lengths of the conductors and optical fibers residing in the internal bore; wherein the sleeve is fixed to the cable jacket.

Abstract: In a lens barrel of the present invention, a frame body holding an optical element is held in a frame body holding member, includes an adjuster for adjusting the position of the frame body with respect to a predetermined axis of the frame body holding member so as to be able to adjust at least one of the orientation of an optical axis in the optical element and the position of the optical element in a direction of the optical axis, and the adjuster is arranged at a position adjustable from an opening portion of a mounting member to be mounted on the frame body holding member.

Abstract: The present invention provides an imaging device in which focus movement due to a temperature variation is suppressed and the infiltration of foreign matter such as liquid or dust is prevented. An imaging device 10 is provided with an imaging lens 11, an imaging element 12, and an intermediate member 15. The imaging lens 11 is held by a lens-barrel 13 and forms an image of a photographic subject. The imaging element 12 captures the image of the photographic subject which is formed by the imaging lens 11. The intermediate member 15 has, on the inner-peripheral-surface of one end thereof, a flange portion 15a which comes into contact with the lens-barrel 13, and holds the lens-barrel 13 by joining the front surface 26 of a flange portion 13b of the lens-barrel 13 and the surface 27 on the imaging element 12 side of the flange portion 15a to each other.

Abstract: A moveable mirror assembly can be used in connection with a case for a portable electronic device. The assembly can include a mirror housing and a mirror positioned within the mirror housing to redirect light to a portable electronic device within the case. The assembly can also include a rotational member coupled with the mirror housing and the case.

Abstract: Various expandable mirrors and a vehicle having the same are described. An expandable mirror may include a first pane having a first reflective surface and a second pane having a second reflective surface. The expandable mirror may also include a mechanism connected with each of the first and second panes. The mechanism may be actuated to expand a viewing area of the mirror such that the expanded viewing area includes both the first and second reflective surfaces. The expandable mirror may also include a third pane having a third reflective surface that contributes to the viewing area when the mirror is expanded. The expandable mirror may also include a manual button configured to actuate or de-actuate the mechanism when pressed. The expandable mirror may also include a positioning motor configured to adjust the orientation of the viewing area of the mirror.

Abstract: An imaging apparatus, comprising a detection element that outputs analog signals in accordance with position of the operation member, an A/D converter that converts the analog signals to digital values, and a controller that detects position of the operation member, wherein the controller, when it is determined that the operation member is stopped, compares an average value of a first number of digital values with a first threshold value, and determines that the operation member is moving if it has been determined that the average value is greater than the first threshold value, and when it is determined that the operation member is moving, compares a difference between a newest digital value and a digital value that was acquired a second number previously with a second threshold value, and determines that the operation member has stopped if it is determined that the difference is smaller than the second threshold value.

Abstract: In an image sensor according to related art, charge information cannot be read at the same time from a pair of photoelectric conversion elements placed corresponding to one microlens. According to one embodiment, an image sensor includes a first photoelectric conversion element and a second photoelectric conversion element placed corresponding to one microlens, a first transfer transistor placed corresponding to the first photoelectric conversion element and a second transfer transistor placed corresponding to the second photoelectric conversion element, a read timing signal line that supplies a common read timing signal to the first transfer transistor and the second transfer transistor, a first output line that outputs a signal of the first photoelectric conversion element to the outside, and a second output line that outputs a signal of the second photoelectric conversion element to the outside.