Abstract: An electronic device includes a display for rendering content. The display may include a protective sheet that is located between an image-displaying component and a liquid optically clear adhesive (LOCA) that adheres another component layered atop the display, such as a front light, a touch sensor or a cover layer. In some cases, the protective sheet may be a polymer sheet coated with a layer of ceramic material that prevents migration of a reactive species, such as a photoinitiator, between the protective sheet and the LOCA. Alternatively, a plasma treatment, a UV-light-ozone treatment, or a thermal treatment may be applied to the protective sheet to remove material including the reactive species and/or form a barrier layer to prevent migration of the reactive species. Still alternatively, the protective sheet may be a thin flexible glass sheet that does not include constituents that interact with the LOCA.

Abstract: An adhesive composition for polarizing plates, a polarizing plate using the same, and an optical member including the same, the adhesive composition including an epoxy compound, a (meth)acrylic compound, and a polyfunctional thiol compound.

Abstract: A convex lens has surfaces including a flat surface and a projecting surface, and an anti-reflection structure configured to cover the projecting surface are included. The anti-reflection structure includes a first anti-reflection structure on the first end side, which is one of two end points of the line segment located nearer to the orthogonal projection of the apex than to the center point thereof, and a second anti-reflection structure on a second end side, which is one of the two end points of the line segment located nearer to the center point than to the orthogonal projection of the apex. A light transmittance of the second anti-reflection structure is greater than a light transmittance of the first anti-reflection structure.

Abstract: Provided is an anti-reflective film having a stacked structure comprising a transparent substrate, a hard coating layer, a high refraction layer and a low refraction layer, and more specifically, the low refraction layer may comprise, as a binder, a siloxane compound synthesized by reacting alkoxysilane and organosilane having a fluoroalkyl group.

Abstract: A lens module for capturing an object light-beam from an object-side is provided. The lens module includes a first lens group, a second lens group, a third lens group, a fourth lens group and a fifth lens group sequentially-arranged from the object-side to an image-side. The five lens groups respectively have at least one lens with positive refractive-power and at least one lens with negative refractive-power. The first, third and fifth lens groups are fixed groups, while the second and fourth lens groups are movable groups. An image apparatus including the lens module is also provided.

Abstract: Provided herein are forward-imaging tunable lens systems and probes. A lens assembly is disclosed herein and comprises at least one tunable lens.

Abstract: The disclosure provides an optical sheet roll which enables improvement of yield by reducing the parts that are not usable as an optical sheet when cutting out an optical sheet in an adequate size. Also disclosed is a method for manufacturing the optical sheet roll; a method for manufacturing an optical sheet using the optical sheet roll; and a method for manufacturing a display device using the optical sheet roll.

Abstract: The present invention provides an antiglare film having an excellent antiglare property and being capable of suitably preventing an occurrence of scintillation and a decrease in contrast. The antiglare film includes a light-transmitting substrate and a diffusion layer. The diffusion layer has a surface roughness and is formed on at least one side of the light-transmitting substrate, wherein the diffusion layer contains organic fine particles (A), organic fine particles (B), and a cured product of a binder component, and satisfies the expressions: (1) ?A<?B; (2) RA>RB; and (3) CA/RA3<CB/RB3, where CA and CB represent a content of the organic fine particles (A) or the organic fine particles (B) in the diffusion layer, respectively, RA and RB represent an average particle size thereof, respectively, and ?A and ?B represent a refractive index thereof relative to the cured product of the binder component, respectively.

Abstract: This transparent layered element (1) has two smooth outer main surfaces (2A, 4A) and comprises: two outer layers (2, 4), which each form one of the two outer main surfaces (2A, 4A) of the element (1) and which are constituted of dielectric materials having substantially the same refractive index (n2, n4), and a central layer (3) inserted between the two outer layers, this central layer (3) being formed either by a single layer which is a dielectric layer having a refractive index different from that of the outer layers or a metal layer, or by a stack of layers which comprises at least one dielectric layer having a refractive index different from that of the outer layers or a metal layer. Each contact surface (S0, S1) between two adjacent layers of the element (1), which are one a dielectric layer and the other a metal layer, or which are two dielectric layers having different refractive indices, is textured and parallel to the other textured contact surfaces.

Abstract: A diffractive MEMS device has an in-plane binary reflective diffraction pattern formed in an outer surface of a tiltable platform. The binary reflective diffraction pattern includes rectangular or trapezoidal ridges and valleys, or grooves, of a same depth. The binary reflective diffractive pattern has a high diffraction efficiency even though the surfaces of the “grooves” or “ridges” are not perpendicular to the incoming optical beam. The diffractive pattern is supported by a pair of torsional hinges and is tiltable by an electrostatic actuator. The electrostatic actuator can include at least one side electrode for linearization of dependence of tilt angle on the voltage applied to the actuator.

Abstract: A red photoresist composition capable of emitting infrared light, a method of preparing the red photoresist composition capable of emitting infrared light, a color filter comprising red sub-pixels formed from the red photoresist composition capable of emitting infrared light, and a display device including the color filter. The red photoresist composition capable of emitting infrared light comprises, based on the total weight of the composition, 2% to 20% of a color mixed material, 30% to 90% of a solvent, 2% to 20% of an alkali-soluble resin, 2% to 20% of an ethenoid unsaturated monomer, 0.01% to 1% of photoinitiator, and 0.005% to 0.02% of other additives; wherein the color mixed material includes a colorant and a surface-modified infrared light-emitting material at a weight ratio of 99.95:0.05 to 1:1.

Abstract: An optical filter comprises a base material (i) which comprises a transparent resin layer comprising a compound (Z) having an absorption maximum in the wavelength region of from 600 to 850 nm; and a dielectric multilayer film provided on at least one surface of the base material (i). The optical filter selectively transmits visible rays and a part of near-infrared rays, and the optical filter satisfies specific requirements.

Abstract: An optical filter includes a first substrate, a second substrate that is opposed to the first substrate, a first reflecting section that is disposed between the first substrate and the second substrate, a second reflecting section that is disposed between the first reflection section and the second substrate, a first gap existing between the first reflecting section and the second reflecting section, a first electrode that is disposed between the first substrate and the second substrate, a second electrode that is disposed between the first electrode and the second substrate, a second gap existing between the first electrode and the second electrode, and a third electrode that is disposed between the first substrate and the second electrode. The second gap is larger than the first gap.

Abstract: The present disclosure describes systems, methods, and apparatus for reducing the frequency and/or severity of photophobic responses or for modulating circadian cycles by controlling light exposure to melanopsin ganglion cells in a retina over the action potential spectrum of the melanopsin cells of the human eye and a visual spectral response of the human eye. Embodiments of an optical filter are described. In one embodiment an optical filter may be configured to transmit less than a first amount of light weighted across the action potential spectrum of the melanopsin cells and to transmit more than a second amount of light weighted across the visual spectral response. Methods of manufacturing optical filters are also described.

Abstract: A structured polarizer includes a substrate including a dielectric material including elongated metal particles embedded to form a polarizing layer including a plurality of first polarizing regions having first elongated metal particles collectively aligned along a first direction and a plurality of second regions having second metal particles, the first polarizing regions and the second regions adjoining each other, the first metal particles being in the same plane as the second metal particles, a degree of polarization with respect to the first direction in the first polarizing regions at between 0.5 ?m and 1 ?m from a boundary between the first polarizing regions and the second regions being more than 90%, and a degree of polarization with respect to the first direction in the second regions at between 0.5 ?m and 1 ?m from the boundary between the first polarizing regions and the second regions being less than 10%.

Abstract: A process for producing an optically anisotropic film having high transparency is provided. A process for producing an optically anisotropic film is provided, wherein the following steps are carried out in order: (1) a step of applying a composition for forming an optically anisotropic film to a substrate, (2) a step of conveying the applied composition for forming an optically anisotropic film to a drying furnace under an environment with an air speed of 0.01 m/s to 0.2 m/s, and (3) a step of removing the solvent by applying a 1 m/s or higher hot air to the applied composition for forming an optically anisotropic film in the drying furnace.

Abstract: A reflective optical film includes a reflective light-polarizing unit including a multilayer reflective sheet composed of a plurality of polymer films stacked on top of one another. Each polymer film has a thickness, every two adjacent polymer films are two different materials, and the thicknesses of the polymer films are gradually decreased from two outmost sides of the multilayer reflective sheet to a middle of the multilayer reflective sheet. At least one of the polymer films is a birefringence material layer that conforms to the condition of NX?NY?NZ, where NX is the index of refraction of light at X direction of the multilayer reflective sheet, NY is the index of refraction of light at Y direction of the multilayer reflective sheet, and NZ is the index of refraction of light at Z direction of the multilayer reflective sheet.

Abstract: A backlight unit for a liquid crystal display device including a liquid crystal panel, includes: a light source including a light-emitting diode (“ED”) which generates and emits light; and a light converting layer between the light source and the liquid crystal panel, spaced apart from the light source, and converting the light from the light source into white light and emitting the white light toward the liquid crystal panel. The light converting layer includes: semiconductor nanocrystals, and a barrier material which restricts penetration of moisture or oxygen.

Abstract: A system for forming illuminated poured surfaces is provided. The system embeds fiber optic strands into poured surfaces during the formation thereof. Each fiber optic strand may be supported by a positioning apparatus prior to and during the pouring and setting of the poured surface, wherein no part of the positioning apparatus is visible above a top surface of the operable poured surface, yet the fiber optic strands are exposed near the top surface so as to form desired patterns of points of light.

Abstract: The invention relates to the field of display technology, and particularly to a surface light source, a backlight module and a display device. The surface light source of the invention comprises at least one optical fiber and at least one light source, wherein the at least one light source is provided at one end of the at least one optical fiber one to one, the at least one optical fiber each is provided with a plurality of light outgoing windows along its length direction, a light beam emitted from each light source propagates in a corresponding optical fiber, and outgoes from the optical fiber through the plurality of light outgoing windows. The surface light source and the backlight module adopting the surface light source have advantages of wide gamut, high efficiency and high light focusing effect. The display device adopting the backlight module has better display effect.

Abstract: Disclosed is a display device. The display device includes: a light source; a light guide plate into which light is incident from the light source; a light conversion member on the light guide plate; and a display panel on the light conversion member, wherein a plurality of scattering parts having a diameter in a range of 90 ?m to 300 ?m are provided in the light guide plate.

Abstract: A disclosed lighting apparatus includes a light-diffusive plate having opposing first and second faces bounded by one or more sides. A first electrically conductive sheet is disposed on the first face of the light-diffusive plate, and an electrically insulative sheet is disposed on the first electrically conductive sheet. A second electrically conductive sheet is disposed on the electrically insulative sheet. A plurality of light-emitting diodes (LEDs) have light emitting portions that face a portion of the light-diffusive plate. The LEDs are electrically coupled to the first electrically conductive sheet and to the second electrically conductive sheet.

Abstract: A display device is discussed, which can include a display panel; a backlight unit providing light to the display panel; an optical member coupled to at least one of an upper surface and a lower surface of the display panel and extended to an outer direction of the display panel to surround an outside of the backlight unit or the display panel; and an elastic adhesive portion coupling the backlight unit with the optical member.

Abstract: A backlight assembly and display device having the same. The backlight assembly may include a light source, a light guide formed at one side of the light source, at least one optical sheet disposed on the light guide and have first to fourth sides and first to fourth corners and a mold frame which accommodates and fixes the optical sheet, wherein the optical sheet includes a first tab which protrudes in a same plane as the optical sheet and in a direction perpendicular to the second side while being adjacent to the second corner, and a second tab which protrudes in the same plane as the optical sheet and in a direction perpendicular to the third side and is disposed to be between and spaced apart from the third corner and the fourth corner.

Abstract: In various embodiments, an illumination structure includes a discrete light source disposed proximate a bottom surface of a waveguide and below a depression in a top surface thereof. A top mirror may be disposed above the discrete light source to convert modes of light emitted from the discrete light source into trapped modes, thereby increasing the coupling efficiency of the illumination structure.

Abstract: A light guide plate in a backlight module includes a light guide layer, a carrier layer, and a reflection sheet. The light guide layer includes a first surface and an opposite second surface. A plurality of light guide outlets is formed on the first surface. The carrier layer includes a third surface and an opposite fourth surface. The third surface is adhered with the second surface. The carrier layer defines a receiving groove having a fifth surface parallel with the third surface. A plurality of through holes passes through the fifth surface to the third surface to expose portions of the second surface. The reflection sheet is arranged on the first surface and is aligned with the receiving groove.

Abstract: The present invention relates to a backlight module, comprising: a backboard having at least a positioning convex part protruding from a surface of the backboard; a light guiding plate arranged on the backboard, having a light-near side and a light-far side disposed opposite to each other, and two connecting sides disposed opposite to each other; a light source disposed near the light-near side of the light guiding plate; and at least a buffer element interposed between the light-far side of the light guiding plate and the backboard, and the buffer element abuts against the light-far side.

Abstract: Integrated optical structures include a first wafer layer, a first insulator layer directly connected to the top of the first wafer layer, a second wafer layer directly connected to the top of the first insulator layer, a second insulator layer directly connected to the top of the second wafer layer, and a third wafer layer directly connected to the top of the second insulator layer. Such structures include: a first optical waveguide positioned within the second wafer layer; an optical coupler positioned within the second wafer layer, the second insulator layer, and the third wafer layer; and a second optical waveguide positioned within the third wafer layer. The optical coupler transmits an optical beam from the first optical waveguide to the second optical waveguide through the second insulator layer.

Abstract: Example devices are optical dividers including: a first optical coupler; a second optical coupler; and a third optical coupler. The devices also comprise a first optical fiber integrated in the first optical coupler, the first optical fiber coupled to an optical combiner, and a second optical fiber integrated in the first optical coupler and in the second optical coupler, the second optical fiber coupled to the optical combiner. The devices further comprise a third optical fiber integrated in the second optical coupler and in the third optical coupler, the third optical fiber coupled to the optical combiner. The optical combiner includes: a first output coupler; a second output coupler; and the optical combiner couples a subset of the first through third optical fibers to the first output coupler; and the optical combiner couples a subset of the first through third optical fibers to the second output coupler.

Abstract: A SOI bent taper structure is used as a mode convertor. By tuning the widths of the bent taper and the bend angles, almost lossless mode conversion is realized between TE0 and TE1 in a silicon waveguide. The simulated loss is <0.05 dB across C-band. This bent taper can be combined with bi-layer TM0-TE1 rotator to reach very high efficient TM0-TE0 polarization rotator. An ultra-compact (9 ?m) bi-layer TM0-TE1 taper based on particle swarm optimization is demonstrated. The entire TM0-TE0 rotator has a loss <0.25 dB and polarization extinction ratio >25 dB, worst-case across the C-band.

Abstract: An optical component optically coupled to an optical fiber includes a substrate and an edge-emitting laser. The substrate includes an accommodating cavity, a plurality of openings, a waveguide, an optical coupler and a plurality of pads. The waveguide and the optical coupler are distributed outside the accommodating cavity. The openings are distributed at the bottom surface of the accommodating cavity and the pads are located at the bottom of the openings. The optical coupler is optically coupled to an end of the waveguide and includes a light-incident surface. The edge-emitting laser is embedded in the accommodating cavity and includes a light-emitting layer and a plurality of bumps located in the openings and electrically connected to the pads. The ratio of the level height difference between the light-emitting layer and the optical coupler to the thickness of the optical coupler ranges from 0 to 0.5.

Abstract: A lens assembly is used in a fiber-optic communication system, and includes a substrate and at least one lens unit formed on the substrate. The lens unit has first and second surfaces, a first light-transmissive region proximate to the first surface, a second light-transmissive region proximate to the second surface, a light attenuation region located between the first and second light-transmissive regions, and an optical axis passing through the first and second light-transmissive regions and the light attenuation region. The light attenuation region has at least one attenuation layer formed with multiple carbonized spots using a high-energy beam such that the light transmittance of the lens unit is not greater than 70%.

Abstract: In an optical path control device, a light input section 1 forms optical apertures 61a, 61b to output dispersed beams L2a, L2b, respectively, so that propagation angles of the dispersed beams L2a, L2b in an YZ plane are different from each other, at a focal position on the dispersive element 5 side of an optical power element 6. The dispersed beams L2a, L2b propagating at their respective angles different from each other in the YZ plane are individually coupled to optical deflectors 7a, 7b, respectively.

Abstract: A connector assembly for interconnecting hybrid optical fiber cables includes a connector module and a housing within which the connector module resides. The connector module includes: a mounting substrate; a plurality of fiber optic adapters mounted on the mounting substrate; and a plurality of power ports mounted on the mounting substrate.

Abstract: As a cylindrical optical connector, an optical connector includes a pushing member that has a structure that is suitable for holding a coil spring in the optical connector, and that has a structure that, even if clockwise or counterclockwise twisting occurs with respect to an axial direction of the optical connector, properly restricts rotation of the pushing member and, thus, does not allow disengagement of the pushing member caused by an applied force resulting from the rotation of the pushing member to easily occur.

Abstract: A fiber optic connector (12) is mounted to a fiber optic connector holder (14). The holder (14) can be a separate piece mountable to other devices, such as trays, panels, modules, cassettes, and chassis. Alternatively, the holder (14) can be integrally formed with the device. In some implementations, multiple holders (14) can be provided as separate elements, or as an integral element. The fiber optic connector holder (14) holds the fiber optic connector (12) in position ready for connection to another fiber optic connector (50) at a desired time. The holder (14) receives a fiber optic adapter (36), and a second fiber optic connector (50). The adapter (36) aligns the two connectors (12, 50) for fiber optic signal transmission. The fiber optic connector holder (14) includes a clip (26) for clipping to the first connector (12).

Abstract: An adapter includes an optical connector accommodation part having a first cavity in which a first optical connector having a first front end portion is to be accommodated, and a second cavity in which a second optical connector having a second front end portion is to be accommodated, and a spacer having a first surface configured to contact the first front end portion, a second surface configured to contact the second front end portion, and a light transmission part configured to enable a light beam to pass therethrough. The spacer being arranged between the first cavity and the second cavity. At a state where the first front end portion is contacted to the first surface and the second front end portion is contacted to the second surface, the first optical interface part and the second optical interface part face each other at a predetermined interval.

Abstract: An apparatus for fixing an optical fiber hole insert in coordinate measurement, is provided. The apparatus includes a main body and a cover plate. The main body includes a front side surface, a back side surface and a support surface, a plurality of first grooves formed in the support surface and exposed at the front side surface, a plurality of second grooves formed in the support surface and exposed at the back side surface, and a through hole defined in the support surface. The first grooves are aligned with the respective second grooves, the first and second grooves communicate with the through hole and are configured for cooperatively receiving the optical fiber hole insert. The cover plate is configured for covering the support surface and making contact with the optical fiber hole insert. A method for measuring the optical fiber hole insert using the apparatus is also provided.

Abstract: A ferrule for a fiber optic connector includes: a main body extending from a first end to a second end, the main body defining a bore extending from the first end to the second end; an end surface at the second end of the main body; and a raised portion on the end surface, the raised portion extending from the second end and surrounding the bore; wherein an optical fiber is configured to be positioned within the bore of the main body; and wherein the end surface is configured to be polished to remove the raised portion.

Abstract: A tool-less grouping apparatus has a main body with a top portion and a bottom portion. Dividing members extending between the top and bottom portions make openings for fiber optic connectors. Forward facing surfaces may be on both the top and bottom portions to engage the fiber optic connectors. The portions also have cut-outs that can engage the fiber optic connectors to assist in removing the fiber optic connectors from adapters.

Abstract: Described is a light emitting diode (LED) high radiance illumination system that includes at least one LED die and a tapered collection optic. An aperture in a reflective surface at the output end of the tapered collection optic recovers light is configured to emit light to an adjacent optical fiber bundle. The reflective surface surrounding the aperture reflects light back through the tapered collection optic, resulting in increased radiance. The system provides uniform high intensity in near and far fields and is suitable for applications including surgical and microscopy illumination with high color rendering index, and stable and adjustable intensity and correlated color rendering. Illumination can include one or more colors, including white light. The system has improved thermal and optical performance and is generally more compact and lower in cost relative to conventional systems.

Abstract: An optical engine for data communication includes a substrate, an array of optical semiconductor devices mounted on the substrate, a device lens block mounted on the substrate and formed with a cavity for accommodating the array of optical semiconductor devices, a jumper lens block coupled with the device lens block at an upper surface thereof, and a fiber array mounted on the jumper lens block and optically coupled with the array of optical semiconductor devices. The jumper lens block is aligned with the device lens block by alignment posts and notches. A metal latch is used to hold the jumper lens block on the device lens block.

Abstract: An optical communication assembly includes a PCB, a first optical coupling module, a light deflection module, and a second optical coupling module. The PCB includes a plurality of light emitting elements emitting different color light signals. The first optical coupling module includes a plurality of first lenses corresponding with light emitting element. The light deflection module includes a plurality of light deflection elements corresponding with optical coupling lenses. The light deflection element includes a first reflecting surface reflecting light signal, and a plurality of dichroic surfaces reflecting light signal from the first optical coupling lens and transmitting the light signal from a front light deflection element. The second optical coupling module includes a second lens and an optical fiber, color light signals emitted from the light emitting elements are reflected and transmitted by the light deflection module and then altogether coupled into the optical fiber.

Abstract: Object To prevent deformation of locating pins and breakage of the glass substrate on which locating holes are formed. Means for Solving the Problems There is provided an optical module including: a glass substrate that includes an optical-electric-conversion element, that is transparent to either one of light emitted from the optical-electric-conversion element and light received by the optical-electric-conversion element, and in which a locating hole is formed; and an optical component in which a locating pin is formed, the glass substrate and the optical component being positioned by fitting the locating pin to the locating hole through a protective film so that the protective film is in contact with the locating hole and the locating pin.

Abstract: Techniques are provided for flip-chip assembly and packaging of microelectronic, photonics and optoelectronic devices in which three-dimensional alignment of package components is achieved using solder surface tension during a solder reflow process to move one or more package components and align such components in X, Y and Z directions using mechanical stops and chip butting techniques.

Abstract: An optical coupling module includes a top surface, a bottom surface parallel and opposite to the top surface, a front side surface, and a rear side surface parallel and opposite to the front side surface. The bottom surface defines a bottom groove including a first optical surface. Optical coupling lenses are arranged on the first optical surface. The bottom groove further includes a mounting surface parallel to the first optical surface and perpendicularly connected with the front side surface. Grooves in the mounting surface receive and locate optical fibers, which intersect with a straight line along the optical axes of the optical coupling lenses, the straight line runs between the optical coupling lenses and the photoelectric conversion members.

Abstract: In a sealing structure of optical communication module using a sealing material, it has been difficult to secure the reliability without influencing optical fiber characteristics. A sealing structure of optical communication module of the present invention comprises: a cylindrical barrel unit fixed to a package; a cylindrical flange which is disposed inside the barrel unit and through which an optical fiber pierces; and a sealing material disposed between the barrel unit and the flange, wherein the flange has on its surface a plurality of regions having different surface conditions, and the sealing material is disposed in only one of the regions.

Abstract: A method includes obtaining a substrate having at least one exposed metal surface. The method also includes electro-depositing metal onto the at least one exposed metal surface of the substrate and around at least a portion of an optical fiber to secure the optical fiber to the substrate. The substrate and the electro-deposited metal are configured to remove heat from the optical fiber. The method could further include electro-depositing metal around a sacrificial material and removing the sacrificial material to form at least one cooling channel through the electro-deposited metal. The optical fiber could include a polymer coating, where a portion of the polymer coating is removed at an end of the optical fiber. The substrate and the electro-deposited metal could be faceted at an input of the optical fiber and at an output of the optical fiber. The optical fiber could have a coiled arrangement on the substrate.

Abstract: A planar optical waveguide part that includes an optical waveguide, a planar conductive wire part that includes a conductive wire, and a connecting end part formed on the lengthwise direction end part, wherein the connecting end part is provided with an optical waveguide end part formed on the lengthwise direction end part of the conductive wire part, a conductive end part formed on the lengthwise direction end part of the conductive wire part, and an intermediate plate intervening between the optical waveguide end part and the conductive end part; the optical waveguide end part, conductive end part, and intermediate plate are bonded by layering; and a bonding pad where components are bonded is formed by ultrasonic bonding to the top surface of the conductive end part.

Abstract: A system includes a chassis and a slot in the chassis. The slot has a depth dimension along which a removable module may be moved to insert the module in the slot and remove the module from the slot. The system includes waveguides, which have couplers that are arranged at different depths of the slot to couple the waveguides to the module in response to the module being inserted into the slot.