Abstract: A method is presented for partitioning a simulation model into a plurality of subdomains that may each be assigned to one of a plurality of processors. The method includes creating a representation of a topology graph of a simulation model in a tangible, computer readable medium. The topology graph includes a plurality of computational elements and a plurality of connections between those elements. Each of the plurality of connections is weighted to create a plurality of weights, and each of the plurality of weights is scaled. Optionally, the weights can be mapped to different interval of values. Based on the weights information the topology graph is partitioned into two or more subdomains, wherein a partition boundary follows a local topographical minimum in the topology graph. A subdomain is assigned to each of the plurality of processors.

Abstract: A material for an optical film including a compound represented by Chemical Formula 1; a polymer including a repeating unit represented by Chemical Formula 10; a polymer including a repeating unit represented by Chemical Formula 20 and a repeating unit represented by Chemical Formula 21; an article prepared by using the polymer; and a display device including the article:

Abstract: UV absorbing appliances, such as contact lenses, are prepared by including at least one UV absorbing compound in the appliances. UV absorbing compounds can be water insoluble and/or reside in UV absorbing nanoparticles having a mean diameter less than 10 nm. The UV absorbing nanoparticles incorporate into an appliance by polymerizing a monomer mixture containing the UV absorbing nanoparticles to form an appliance comprising the UV absorbing nanoparticles. The UV absorbing compounds or the UV absorbing nanoparticles incorporate into an appliance by placing the appliance in a solution of the UV absorbing compound or a dispersion of the UV absorbing nanoparticles in a non-aqueous solvent that swells the appliance. The UV absorbing compound or the UV absorbing nanoparticles infuse into the swollen appliance and are retained within the appliance upon removal of the non-aqueous solvent.

Abstract: There is provided an optical waveguide which has appropriate orientation properties, a production process of which is simple so as to be suitable for producing an electro-optical element, and is able to reduce power consumption of the element due to excellent electro-optical properties, and further can be formed into a thin film and be layered; and a material for the optical waveguide. A cladding material of an optical waveguide, characterized by comprising a polymer compound including a triarylamine structure, and a nonlinear optical compound; and an optical waveguide produced by using the cladding material.

Abstract: An anti-scratch film, including a film base and an anti-scratch layer on one side of the film base. The anti-scratch layer includes a plurality of protrusions.

Abstract: A solar reflector plate maintains an excellent reflectance of a reflective layer and has excellent sand resistance and weather resistance. The solar reflector plate includes a substrate; a reflective layer provided onto the substrate; and a protective layer provided onto the reflective layer, wherein the protective layer contains silicon in an amount of 10% by mass to 60% by mass in terms of SiO2 and an organic substance, and has 1.5 to 3.2 oxygen atoms on average that form a chemical bond with silicon.

Abstract: Provided is an optical element, including optical glass as a base material and having an optical surface and a non-optical surface. In the optical element, the optical glass has a Knoop hardness of 600 N/mm2 or more, and the non-optical surface has a coating film layer formed thereon, the coating film layer containing a pigment as a color material and having a refractive index of 1.65 or more.

Abstract: A printing plate, a scattering layer and a method for fabricating the same, and a display apparatus are provided. The printing plate is formed with a plurality of protrusion structures thereon, and the protrusion structures have a maximum width of 1 nm-1000 nm. The scattering layer is obtained by printing using the printing plate, and has groove structures corresponding to the protrusion structures on the printing plate thereon. The scattering structure is used on an organic light emitting display device, which can increase the light extraction efficiency and the external quantum efficiency and improve the display quality.

Abstract: A light diffusion member includes a substrate having light transmissivity, a plurality of light shielding layers, and light diffusion portions. The light diffusion portions have a light-emitting end surface, a light incident end surface which has a larger area than the area of the light-emitting end surface, and a reflecting face. Light which enters from the light incident end surface is anisotropically diffused in an azimuth direction seen from a normal direction of the substrate, and the height from the light incident end surface to the light-emitting end surface of the light diffusion portion is greater than the thickness of the light shielding layers. A hollow portion of the light diffusion portion is formed in the formation region of the light shielding layers, and air is present in the hollow portion.

Abstract: A dielectric mirror includes a coating having alternating high and low index layers. The mirror coating has no metallic reflective layer of Al or Ag in certain example embodiments, and may have film side and/or glass side visible reflection of from about 50-90% (more preferably from about 60-80% and most preferably from about 65-75%) and visible transmission of from about 10-50% (more preferably from about 10-40% or 20-40%) in certain example embodiments.

Abstract: Light deflector includes: polygon mirror made of plastic and having reflecting surfaces; motor rotatable on a rotation axis; and rotor rotatable by the motor, and including base portion intersecting the axis of rotation, and first protruding portion having circular cylindrical shape and protruding from the base portion in a rotation-axis direction. The polygon mirror has inner surface contacting outer peripheral surface of the first protruding portion, and bottom surface facing to the rotor in the rotation-axis direction. The bottom surface has contacting portion contacting the base portion, and the contacting portion overlaps a line segment connecting the rotation axis and any of vertexes of the polygon mirror viewed from the rotation-axis direction. The bottom surface has non-contacting portion spaced apart from the base portion, and the non-contacting portion overlaps a perpendicular dropped from the rotation axis to any of the reflecting surfaces viewed from the rotation-axis direction.

Abstract: An optical element includes a base having a curved depression formed in a front surface thereof and a formed layer arranged on the base. The formed layer includes a main part in the depression as viewed from a depth direction of the depression and an overhang on the front surface of the base while connecting to the main part. An opposite surface of the main part to a surface thereof on a side of an inner surface of the depression is formed like a concave curve that is concave in a same direction as the inner surface of the depression. A predetermined surface of the main part that is opposed to the inner surface of the depression is provided with an optical function part.

Abstract: An optical reflection focusing device, including a grating including an alternation of first and second regions having different refraction indexes, the grating including a plurality of sub-gratings, each including a plurality of first regions aligned along a plane parallel to the mean plane of the grating, said device including structures such that, for a collimated incident coherent light beam orthogonal to the mean plane of the grating, the rays of the beam reach with a non-zero phase shift different sub-gratings of the device.

Abstract: A method of producing plural pixellated display devices, each having a first component comprising an array of independently controllable pixel electrodes; and a second component comprising an array of pixel filters comprising different types of pixel filters of differing optical transmission characteristics, each pixel filter being associated with a respective one of said pixel electrodes. The first component has some distortion within the array of pixel electrodes causing a variation in pixel electrode pitch between different regions of the array. The second component is applied to the first component to provide misalignment between an alignment reference position on the first component and an alignment reference position on the second component. An array of pixel filters is formed in a neutral framework having a separation distance between each pixel filter that prevents any pixel filter of the array of pixel filters overlapping with more than one of said pixel electrodes.

Abstract: A method of fabricating a polarizer, the method including, forming a base substrate by sequentially forming a metal layer, a guide layer, a hard mask layer, a sacrificial layer, and a first photoresist layer on a light-transmitting substrate in a panel area and an alignment key area which are spatially separated from each other, forming a first photoresist layer pattern for forming an alignment key pattern in the alignment key area by patterning the first photoresist layer, forming a sacrificial layer pattern in the alignment key area utilizing the first photoresist layer pattern as a mask, and forming a second photoresist layer on a top surface of the sacrificial layer pattern of the alignment key area before removing the sacrificial layer of an aperture area of the panel area.

Abstract: The subject matter described herein includes a curved VPH grating with tilted fringes and spectrographs, both retroreflective and transmissive, that use such gratings. A VPH grating according to the subject matter described herein includes a first curved surface for receiving light to be diffracted. The grating includes an interior region having tilted fringes to diffract light that passes through the first surface. The grating further includes a second curved surface bounding the interior region on a side opposite the first surface and for passing light diffracted by the fringes.

Abstract: A backlight device for use in a display device includes a light source device and a light diffusion member. The light source device includes a plurality of light sources. The light diffusion member includes a light transmission body and reflectors. The light transmission body includes a light receiving surface facing a first one of the light sources for receiving the light emitted from the first light source and a light output surface facing away from the light receiving surface for outputting the light transmitted through the light transmission body. The reflectors are attached to the light transmission body and include first and second reflection surfaces oriented such that the light received from the first light source through the light receiving surface is reflected by the first and second reflection surfaces while the light passes through the light transmission body toward the light output surface.

Abstract: Disclosed are an optical member, a display device including the same, and a method of fabricating the same. The optical member includes a barrier film; an adhesive layer bonded onto the barrier film and including a plurality of wavelength conversion particles and an adhesive; and a detachable film detachably attached onto the adhesive layer.

Abstract: A light guide plate which guides light from light sources at both ends and reflection surface grooves having plural types of reflection surfaces formed on a reverse side of the light guide plate are provided in a direction perpendicular to a front direction of a suction tool, thereby forming light rays radiating to a floor surface from three directions and lighting the floor surface as the surface to be cleaned in front of the suction tool over a wide range.

Abstract: The present invention relates to a backlight module, a display comprising thereof and a method for manufacturing a light guiding plate. The backlight module comprising: a housing; a light guiding plate disposed in the housing, and the light guiding plate comprises a light entrance surface, a bottom surface, and a light exit surface; and a light source disposed adjacent the light entrance surface of the light guiding plate, wherein a horizontal cross section of the light exit surface of the light guiding plate has a first curve, and a vertical cross section of the light exit surface of the light guiding plate through any peak of the first curve has a second curve, wherein adjacent peaks of the first curve have a same distance therebetween, and adjacent troughs of the first curve are spaced apart by first distances.

Abstract: A complex substrate for a display apparatus, the complex substrate includes a lower base substrate including convex and concave patterns, the convex and concave patterns being integral with an upper side of the lower base substrate, a planarizing layer on the lower base substrate, the planarizing layer being integral with the convex and concave patterns, and the planarizing layer having different refractivity from the lower base substrate, and a wire grid pattern on the planarizing layer, the wire grid pattern including a plurality of nano wire metal patterns, each of the nano wire metal patterns having a width of no more than a micrometer.

Abstract: A light emitting diode (LED) package includes: a main body mounted on a substrate; a light emitting diode that is mounted in the main body and emits light; and a lead frame exposed to allow the main body to be selectively top-mounted or side-mounted. A backlight unit includes: a light guide plate configured to allow a light source to proceed to a liquid crystal panel; a light emitting diode (LED) mounted in a main body mounted on a substrate and generating a light source; and an LED package having a lead frame exposed to allow the main body to be selectively top-mounted or side-mounted, and being mounted on the light guide plate.

Abstract: A backlight module includes a mold frame, a light guide plate, a light bar light source, and an optic film. The light guide plate, the light source, and the optic film are disposed in the mold frame. The light source is arranged between the light guide plate and the mold frame. The optic film and the light guide plate are stacked on each other. The backlight module includes a heat dissipation frame that includes first, second, and third heat dissipation walls. The third heat dissipation wall is opposite to the first heat dissipation wall and the second heat dissipation wall is connected to the first and third heat dissipation walls. An end of the mold frame at which the light source is arranged is received between the first and third heat dissipation walls and the mold frame is in tight engagement with the second heat dissipation wall.

Abstract: The disclosure provides a backlight module and a display device. The backlight module comprises a light guide plate having a first surface and a second surface intersecting with the first surface, a first light bar, a second light bar, and first positioning columns. First positioning holes is formed on the first surface. The first light bar comprises a first substrate arranged close to the first surface, first blue emitting diodes arranged on the first substrate, and first quantum dot fluorescent tubes arranged close to the first surface. The second light bar comprises a second substrate arranged close to the first surface, second blue light emitting diodes arranged on the second substrate, and second quantum dot fluorescent tubes arranged close to the second surface. The first positioning columns are arranged between the first quantum dot fluorescent tubes and the first surface such that a first space is formed there between.

Abstract: An optical fiber with large effective area, low bending loss and low attenuation. The optical fiber includes a core, an inner cladding region, and an outer cladding region. The core region includes a spatially uniform updopant to minimize low Rayleigh scattering and a relative refractive index and radius configured to provide large effective area. The inner cladding region features a large trench volume to minimize bending loss. The core may be doped with Cl and the inner cladding region may be doped with F.

Abstract: The present invention provides an optical fiber and method of making the same. The optical fiber includes a body for transmitting light. The body has an anisotropic refractive index wherein the anisotropic refractive index offsets changes in the refractive index of the fiber caused by bending the fiber. The fiber body may further include a core and cladding.

Abstract: A multimode optical fiber may include a core portion formed from SiO2 intentionally doped with a single dopant, wherein the single dopant is phosphorous or a compound of phosphorous. A glass cladding portion may surround and be in direct contact with the core portion. The glass cladding portion may comprise an outer cladding portion and a low-index moat disposed between the core portion and the outer cladding portion. The optical fiber may also have a bandwidth greater than or equal to 2000 MHz-km for each wavelength within a wavelength operating window centered on a wavelength within an operating wavelength range from about 850 nm to about 1310 nm, the wavelength operating window having a width greater than 100 nm. The optical fiber may also have a restricted launch bend loss less than or equal to 0.5 dB/(2 turns around a 15 mm diameter mandrel) at 850 nm.

Abstract: A method of forming an optical device includes using a photomask to form a first mask on a device precursor. The method also includes using the photomask to form a second mask on the device precursor. The second mask is formed after the first mask. In some instances, the optical device includes a waveguide positioned on a base. The waveguide is configured to guide a light signal through a ridge. A heater is positioned on the ridge such that the ridge is between the heater and the base.

Abstract: Fiber optic connectors and splices that are contamination tolerant and can be used in cramped and constrained environments.

Abstract: According to one embodiment, a semiconductor light-receiving element, includes a light-receiving part provided on a substrate and having a semiconductor multilayer structure of a circular outer shape, a optical input part formed of a peripheral portion of the semiconductor multilayer structure, and having a tapered front end, and a silicon-thin-line waveguide configured to couple light with the optical input part. The waveguide includes a linear part extending through the optical input part to an at least one area of an upper-side area and a lower-side area of the light-receiving part, and a spiral part connected to the linear part and formed in the at least one area.

Abstract: Various designs of optical switch are disclosed. In one embodiment, the optical switch uses wedges to hold up a collimator and secure the wedges and collimator to a substrate with a type of adhesive, thus avoiding high temperature in soldering process. There are at least two assemblies bonded to the substrate using the adhesive. Each of the assemblies includes a collimator and two wedges, where the wedges are provided to physically hold up the collimator in position. The assemblies are glued directly to the substrate after an optical alignment is performed.

Abstract: A fiber optic splicing assembly is disclosed having an assembly housing and a fiber storing device. The assembly housing has a mounting side and an opposite outer facing side. The fiber storing device is removably mounted to the assembly housing, and is at least partially received in an assembly receiving passageway of a mounting wall.

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: A fiber optic adapter assembly is provided that sealingly mounts to a telecommunications enclosure. The adapter assembly mounts to a communications enclosure such that one of two fiber optic connectors is received into the adapter assembly outside of the enclosure and the other fiber optic connector is engaged into the adapter assembly inside of the enclosure. The enclosure is pressurized at a predetermined level, and the adapter assembly is configured to maintain the pressure within the enclosure when the adapter assembly mounts to the enclosure.

Abstract: An optical interface device for optically connecting photonic devices to optical device along with methods of making. The method includes providing a glass support member that is either monolithic or laminated. A laser beam is used to write cores in the body of the support member. The support member includes a bend section and the cores generally follow the bend section and serve to define curved optical waveguides. The cores provide strong out-of-plane optical confinement, thereby allowing for strong bends and therefore a compact design for the optical interface device.

Abstract: An optical connector includes an optical transceiver having an optical element, a case that covers the optical element, and a plurality of terminals that are externally protruded from a terminal projecting surface of the case, and a connector housing having a housing chamber that houses the optical transceiver. The terminal projecting surface of the case is formed as a flat reference plane. A surface which forms the housing chamber and to which the terminal projecting surface of the case abuts is formed as a flat position-correction surface. A pair of projections are formed on a surface which forms the housing chamber and which is opposite to the position-correction surface.

Abstract: There are provided a heat transfer part 21 having heat-receiving surfaces 211a and 211b which have curved surface shapes along side surfaces 111 and 121 of a stem 11 and a cylindrical part 12 and in which the stem 11 and the cylindrical part 12 can be fitted, and heat-dissipating surfaces 212a and 212b provided with projected and retracted portions 213a and 213b; and a casing 22 having the optical distributor 1 and the heat transfer part 21 mounted thereon, and having heat-receiving surfaces 222a and 222b provided with projected and retracted portions 223a and 223b engaged with the projected and retracted portions 213a and 213b.

Abstract: Opto-electrical connection systems including opto-electrical cables providing configurable connectivity between electrical devices having electrical interfaces are disclosed. Related assemblies and methods are also disclosed. By using configurable connection assemblies having at least one configurable connection device adapted to accept optical connectors of optical fibers of opto-electrical cables, many electrical devices having electrical interfaces may be configurably connected. For example, the configurable opto-electrical connection system may be configured to provide more bandwidth and/or connect electrical devices with less power consumption than would be associated with conventional copper cabling solutions. In this manner, the high bandwidth, lower power consumption, and long distance signal capability of optical fibers may be provided to connect electronic devices which were originally designed with electrical interfaces meant to be connected with copper cables.

Abstract: A fiber optic ribbon cable includes a jacket of the cable, the jacket having a cavity defined therein, an optical element including an optical fiber and extending within the cavity of the jacket, and a dry water-blocking element extending along the optical element within the cavity. The dry water-blocking element is wrapped around the optical element with at least a portion of the dry water-blocking element disposed between another portion of the dry water-blocking element and the optical element, thereby defining an overlapping portion of the dry water-blocking element. The optical element interfaces with the overlapping portion to provide direct or indirect coupling between the optical element and the jacket.

Abstract: Disclosed are methods for creating a demarcation of at least one optical fiber in a structure along with a fiber optic cable. The method may include the steps of providing at least one optical fiber having a covering, heating a portion of the covering, and deforming the covering about the at least one optical fiber at a first location to inhibit movement of the at least one optical fiber with respect to the covering. The method may be applied to one or more optical fibers within a covering such as bare loose fibers, ribbonized fibers, buffered fibers or the like.

Abstract: An optical communication cable includes a cable body, a plurality of core elements located within the cable body, a reinforcement layer surrounding the plurality of core elements within the cable body, and a film surrounding the plurality of core elements. At least one of the plurality of core elements includes an elongate optical transmission element. The film provides an inwardly directed force onto the core elements, and a surface of the film is bonded to the reinforcement layer.

Abstract: A seal block assembly (10) includes a housing (12) defining one or more slots (14). Seal block assembly seals a port of a telecommunications box or enclosure. Each seal block element (32) includes a seal block body (34) having first and second body portions (36, 38), and first and second seal portions (40, 42) for sealing around a cable. A sealing system is provided between each seal block element and an adjacent seal block element. A sealing arrangement is also provided between the seal block elements and the slot.

Abstract: An integrated image sensor and a camera lens apparatus comprising of an image sensor substrate, a camera lens mount, a lens barrel, a lens optical assembly and a collet. The camera lens mount comprises a first material, the lens barrel comprises a second material and the collet comprises a third material, the first, second and third materials change in length with a temperature change according to their respective coefficient of thermal expansion. The lens optical assembly comprises optical elements that cause a change in focal length with a temperature change according to a thermal optical coefficient. The first, second, and third material, the lengths of the camera lens mount, lens barrel, and collet, and the thermal optical coefficient of the lens optical assembly are such that the image plane is approximately stationary relative to the sensor surface in response to the temperature change.

Abstract: A lens barrel in which a lens can be moved in a direction parallel to an optical axis includes: a first frame having a cam follower and a cam follower base that holds the cam follower; and a second frame that has a cam groove engageable with the cam follower. The first frame and the second frame are moved relatively to each other along the optical axis. The cam follower base has a first end connected to the main body of the first frame via at least one thin portion, and a second end not connected to the main body. The thin portion is formed such that a thickness of the thin portion in a radial direction of the lens barrel is smaller than that of the cam follower base.

Abstract: A focus height sensor in an optical system for inspection of semiconductor devices includes a sensor beam source that emits a beam of electromagnetic radiation. A reflector receives the beam of electromagnetic radiation from the sensor beam source and directs the beam toward a surface of a semiconductor device positioned within a field of view of the optical system. The reflector is positioned to receive at least a portion of the beam back from the surface of the semiconductor device to direct the returned beam to a sensor. The sensor receives the returned beam and outputs a signal correlating to a position of the surface within the field of view along an optical axis of the optical system.

Abstract: An inner focusing lens has sequentially from the object side, a first lens group having a positive refractive power, a second lens group having a negative refractive power, and a third lens group having a negative refractive power. The first lens group has negative meniscus lenses disposed farthest on the object side thereof. The second lens group is moved along the optical axis whereby focusing from a focus state for an object at infinity to a focus state for the minimum object distance is performed. The inner focusing lens satisfies predetermined conditions and thereby, realizes a compact inner focusing lens having high imaging performance at wide angles, suitable for compact cameras having a function of capturing video.

Abstract: This invention provides an optical lens, in order from an object side to an image-forming side, comprises a first lens with positive refraction power; a second lens with negative refraction power; a third lens with positive refraction power; a fourth lens with negative refraction power; a fifth lens with positive refraction power and a sixth lens with negative refraction power. The optical lens satisfies the following conditions: 0.50?EFL/TTL, EFL/TTL?1.00, 0.65?F123/EFL, and/or F123/EFL?1.00.

Abstract: A zoom lens including a first lens group and a second lens group is provided. The first lens group having a negative refractive power is disposed between an object side and an image side and includes a first lens having a negative refractive power. The second lens group having a positive refractive power is disposed between the first lens group and the image side and includes a second lens, a third lens, a fourth lens and a fifth lens arranged in sequence from the object side to the image side. Refractive powers of the second lens, the third lens, the fourth lens and the fifth lens are positive, positive, negative and positive in sequence, wherein the first lens has a surface facing the object side, a radius of curvature of the surface is R1, and |R1|>700 mm.

Abstract: The zoom lens comprises five or more groups of lens pieces, namely, the foremost or first lens group of positive refractive power located the closest to an object, the succeeding second lens group of negative refractive power, the third lens group of positive refractive power, the fourth lens group of positive refractive power, and the fifth lens group all arranged in this order, and if any, the rearmost lens group(s) closer to the imaging plane than the fifth lens group. The zoom lens meets requirements as defined in the conditional expression regarding a combined magnification of the fifth lens group and, if any, the rearmost lens group(s) closer to the imaging plane than the fifth lens group while the zoom lens is taking a telephoto position.

Abstract: Provided is a zoom lens system, sequentially arranged in an order from an object side to an image side, including: a first lens group having a positive refractive power; a second lens group having a negative refractive power; an aperture stop; a third lens group having a positive refractive power; a fourth lens group having a positive refractive power; and a fifth lens group having a positive refractive power, wherein each of the second lens group, the third lens group, and the fourth lens group has an anomalous dispersion ?Pct of ?0.1 or less.