Abstract: A detector that detects properties of geological formation includes a first volume and a second volume each comprising Helium-3 gas. The detector includes a gas electron multiplier having a mesh plate disposed between the first volume and the second volume. The mesh plate creates an electric field that multiplies electrons of the second volume based on epithermal neutrons in the second volume. The detector includes at least one anode configured to receive electrons based on thermal neutrons in the first volume and epithermal neutrons in the second volume.

Abstract: Method and system is described for modeling one or more strength properties of a subsurface volume. The method provides an enhanced process for upscaling to simplify data in a manner that accounts for problems with conventional techniques. The method involves simplifying the petrophysical data and/or layers to provide an upscaling approach that accounts for the influences on the strength properties. The properties may then be utilized to enhance a subsurface model and used to enhance hydrocarbon recovery.

Abstract: The present invention addresses the problem of providing a resin having a high Abbe number and a small difference in hygroscopic expansion coefficient with respect to a polycarbonate resin having a low Abbe number and a high refractive index. The above problem can be solved by a polycarbonate resin including structural units represented by general formula (1). In general formula (1), R represents H, CH3, or C2H5.

Abstract: Composite hydrogel films for contact lenses and the methods of manufacturing are provided. The composite hydrogel films are formed by the following steps of: mixing a hydrogel precursor with nanospheres dispersed in a colloid; evaporating the solvent in the mixture; curing the hydrogel to form a composite hydrogel film having nanospheres arranged in amorphous arrays. The composite hydrogel films selectively reflect light in hazardous wavelengths.

Abstract: The present invention provides an anti-reflection film which has excellent optical properties at a low production cost. The anti-reflection film of the present invention has a low refractive index hard coat layer having low refractive index particles and a binder matrix which is formed by curing an ionizing radiation curable material on a transparent substrate. It is a feature of the anti-reflection film of the present invention that the low refractive index hard coat layer has two optically distinguishable layers from the transparent substrate side, namely, an intermediate layer and a localized layer wherein the low refractive index particles are localized, and the refractive index and optical thickness of the localized layer are in the range of 1.29-1.43 and in the range of 100-200 nm, respectively.

Abstract: An antiglare film in which occurrence of screen scintillation and white muddiness can be sufficiently prevented at a high level while maintaining hard coating properties and antiglare properties, and excellent display images with a high contrast can be provided. The antiglare film includes a light-transmitting substrate; and an antiglare layer having a surface roughness on at least one surface of the light-transmitting substrate, wherein the antiglare layer contains an aggregate composed of two or more types of fine particles, and the aggregate forms a projection of the surface of the antiglare layer to form a surface roughness on the antiglare layer.

Abstract: Coating compositions are described comprising an aqueous polymeric dispersion; a crosslinker; and an acid or salt of a polyalkylene oxide. Also described are articles comprising the dried and cured coating composition disposed on a substrate as well as a method a providing an anti-fog coating on a substrate.

Abstract: An optical film includes a base film including a base and first and second lens pattern portions, where the first lens pattern portion includes a first surface, a first side surface, which extends from one side of the first surface to a surface of the base and a second side surface, which extends from the other side of the first surface and the surface of the base, the second lens pattern portion includes a second surface, a third side surface, which extends from one side of the second surface to the surface of the base, and a fourth side surface, which extends from the other side of the second surface and the surface of the base, and an angle between an imaginary line and the surface of the base is less than about 50 degrees.

Abstract: A light-shielding film for optical element includes at least a resin and a colorant. The light-shielding film for optical element has an average extinction coefficient of 0.03 or more and 0.15 or less as an average of extinction coefficients of the whole light-shielding film for light having wavelengths ranging from 400 to 700 nm.

Abstract: The present invention provides an optical coating structure (10) applied to the surface of an object. “Scattering structures” are introduced to the basal, upper or middle layers of a multilayer reflector to cause a particular (calculated) degree of scattering, or to the surface of a black/color pigmented object to cause either enhanced transmission at the environment-object interface or omni-directional (as opposed to directional) reflections of which only a narrow portion can be observed. The scattering structures are mainly sub-micron in size, and arranged in a pseudo-random or non-periodic manner so as to prevent significant diffraction by themselves.

Abstract: The invention discloses a QD CF substrate and manufacturing method thereof. The manufacturing method uses high power UV light irradiation on the QD material in the QD gel for prolonged period of time to perform selective quenching to obtain a selectively quenched QD layer, i.e., patterning the QD layer without etching process, achieve simplifying the QD CF substrate manufacturing process and reduce production cost. The QD CF substrate uses selectively quenched QD layer obtain by UV light irradiation technology to achieve improve the color gamut of display as well as simplifying manufacturing process. Moreover, the QD layer comprises no blue QD material, but uses blue backlight and organic transparent photo-resist layer to improve light utilization efficiency as well as reduce material cost.

Abstract: An imaging method includes receiving electromagnetic radiation with a plurality of qualities from a scene to be captured at a mask and passing a first portion of the received electromagnetic radiation having the plurality of qualities present in the received electromagnetic radiation through the mask. One or more qualities of the received electromagnetic radiation is removed from a second portion of the received electromagnetic radiation, and the second portion of the received electromagnetic radiation absent the one or more removed qualities is passed through the mask.

Abstract: An optical device has a visible light transmittance that decreases from a central part thereof towards a peripheral part thereof. The optical device includes a visible light absorbing part, made of a material that absorbs at least a part of visible light, and having a thickness that increases from a central part thereof towards a peripheral part thereof, and a visible light transmitting part, made of a material that transmits the visible light, and is stacked on the visible light absorbing part. A relationship T420/T360>=3 is satisfied, where T420 denotes a transmittance of light having a wavelength of 420 nm, and T360 denotes a transmittance of light having a wavelength of 360 nm.

Abstract: A non-dichroic omnidirectional structural color multilayer structure. The non-dichroic omnidirectional structural color multilayer structure has an absorbing layer, a first layer extending across the absorbing layer, and a second layer extending across the first layer. The multilayer structure can reflect a narrow band of electromagnetic radiation that has a width of less than 500 nanometers and a center wavelength shift of less than 200 nanometers when the multilayer structure is viewed from angles between 0 and 45 degrees. In addition, the absorbing layer can block electromagnetic radiation reflected off of a surface that is proximate to the multilayer structure and thereby afford for a “pure” color that is not contaminated by reflected light from surrounding surfaces.

Abstract: To suppress a phenomenon where an optical axis of the optically anisotropic layer is tilted when the optically anisotropic layer is produced by using a liquid crystalline compound showing smectic phase as a materials showing a higher level of orderliness. An optically anisotropic layer wherein a polymerizable composition, containing one or more polymerizable rod-like liquid crystal compound showing a smectic phase, is fixed in a state of smectic phase, and a direction of maximum refractive index of the optically anisotropic layer is inclined at 10° or smaller to the surface of the optically anisotropic layer, a method for manufacturing the same, a laminate and a method for manufacturing the same, a polarizing plate, a liquid crystal display device, and an organic EL display device.

Abstract: There is provided a method of manufacturing a thin polarizing plate including: forming a film laminate by attaching a non-stretched polyvinyl alcohol (PVA)-based film to a non-stretched base film, using attractive force therebetween or using an adhesive; stretching the film laminate; attaching a first protective film to the PVA-based film of the stretched film laminate; and separating the PVA-based film having the first protective film attached thereto from the base film.

Abstract: A method of manufacturing a polarizer includes forming a first layer on a base substrate, forming a first partition wall layer on the first layer, forming a second partition wall layer on the first partition wall, forming a plurality of first partition wall patterns and a plurality of second partition walls disposed on the first partition wall patterns by etching the first partition wall and the second partition wall at the same time, forming a block copolymer layer on the first layer on which the plurality of first partition wall patterns are formed, forming a plurality of fine patterns from the block copolymer layer, and patterning the first layer using the fine patterns and the second partition wall patterns as a mask.

Abstract: The present invention provides a metallic wire grid polarizer and a manufacturing method thereof. The metallic wire grid polarizer of the present invention includes a base plate (10) and a plurality of metallic wire grids formed on the base plate (10). The metallic wire grids are divided into first wire lines (21) and second wire lines (22) having different heights so as to form a dual-period wire-grid structure for achieving better optical performance and exhibiting more global optimization parameters for making modulation of the optical performance thereof more scientific and more flexible. The manufacturing method of the metallic wire grid polarizer of the present invention may make a wire grid structure having layers of different heights and the manufacturing operation is simple.

Abstract: The invention relates to reactive mesogens (RMs) comprising a terphenyl group, to mixtures and formulations comprising them, to polymers obtained form such RMs and RM mixtures, and the use of the RMs, RM mixtures and polymers in optical or electrooptical components or devices, like optical retardation films for liquid crystal displays (LCDs).

Abstract: A light guide unit includes a frame having a groove and sidewalls around the groove and a light guide plate carried in the frame. The sidewalls define at least one hole therein. The light guide plate includes at least one light guide fiber arranged in the groove and an optical rubber filling in the groove and covering the light guide fiber. Each light guide fiber has a first optical coupling end extending out of the frame through the hole configured for light penetrating into therein.

Abstract: A light source assembly, a backlight and a display device are provided. The light source assembly comprises a bar-shaped light source unit, which comprises an organic light-emitting diode for emitting light and has a light outgoing side; and a light concentration bar, which has a light incidence surface and a light outgoing surface opposite to each other, the light incidence surface being disposed at an outer side of the light outgoing side of the light source unit and matching with the light outgoing side in size, and the light outgoing surface matching with a light incidence side of a light guide plate in size.

Abstract: A backlight unit that may be used with a liquid crystal display is presented. The backlight unit includes: a bottom chassis; a light source disposed at an edge of the bottom chassis; a light-converting member disposed on the light source and including quantum dots for changing a wavelength of light emitted from the light source; and a light guide disposed on the bottom chassis adjacent to the light-converting member and positioned to receive light emitted from the light-converting member.

Abstract: A first substrate includes indicium and a first surface configured for optically contacting a surface of a transparent substrate. When the first surface is placed in optical contact with the transparent substrate within which light is trapped by total internal reflection (TIR), light is extracted from the transparent substrate and illuminates a first indicium portion of the first substrate. The first substrate also includes a second indicium portion that is substantially not illuminated resulting from optical isolation elements within the first substrate. Both first and second indicium portions can be detected from a single point external to the first substrate and the transparent substrate.

Abstract: The invention described herein is a very thin flat panel LED luminaire, including a flat baseboard, a flat reflection panel, a flat acrylic panel, a flat diffusion panel, LED bar, and aluminum encasement frame which combines with the baseboard to form the chassis for the luminaire. The LED bar is placed along either or both sides of the stack. The acrylic panel is printed with a mesh-like mask pattern of dots in a pattern in which the density of the pattern is decreases the farther away from the LED bar the pattern is, differentially coupling the light from the point source LED bar from the reflection panel into the flat acrylic panel so that illumination across the luminaire is substantially uniform.

Abstract: A light guide includes a front surface. A back surface is opposite the front surface and includes a depression. A light incident surface introduces light. The light reflects off the depression and is emitted through the front surface. The depression includes an inclined side surface that faces the light incident surface. The inclined side surface includes a reflective curved surface that includes at least 50% of a surface area of the inclined side surface. In a cross section view of the depression in a plane substantially orthogonal to the front surface, a first tangent that touches a curved line defining the reflective curved surface of the inclined side surface and a second tangent that touches the curved line in a different location than the first tangent form a first angle that is greater than or equal to 0° and less than or equal to 30°.

Abstract: There is provided a display device including a plurality of light-emitting elements that are disposed on a first substrate, and a guide member that is disposed in a boundary between pixel regions corresponding to the light-emitting elements and guides light emitted from each of the light-emitting elements between the first substrate and a second substrate facing the first substrate in a main light emission direction of each of the light-emitting elements.

Abstract: A display arrangement for a motor vehicle can be disposed in a rear view device such as an interior- or exterior rear view mirror. The display arrangement may include at least one light source and at least one optical unit. The at least one optical unit may include at least one light-conducting body having at least one coupling-in section through which light emitted by at least one light source can be coupled into the light-conducting body and having at least one coupling-out section through which light can be coupled out of the light-conducting body. The at least one optical unit also comprises at least one optical means which at least in some sections is or can be secured to the light conducting body such that it is overlaid on the surface of the at least one coupling-out section of said light-conducting body.

Abstract: An illuminator apparatus uses positional offset of an array of light emitting areas and a lens array to control resulting direction and diffusion of a combined overall beam of light. Specifically, translation of the lens array relative to the light emitting area array enables steering of the overall beam, and rotation of lens array relative to the light emitting area array controls overall beam divergence.

Abstract: The present invention relates to a liquid crystal display comprising an absorption dye, wherein the liquid crystal display of the present invention may enhance color gamut and brightness by transmitting pure red, green, and blue (RGB) wavelengths emitted from a light source as much as possible and absorbing unnecessary wavelengths other than the RGB wavelengths.

Abstract: Provided are a light guide member, a lighting apparatus including the light guide member, and a method of fabricating the light guide member. The light guide member comprises: a body, which is formed as a transparent plate, including a first surface and a second surface facing the first surface; and a plurality of dimple type optical controllers formed beneath at least one of the first surface and the second surface and having reflective surfaces that reflect light proceeding between the first and second surfaces of the body toward at least one of the first and second surfaces.

Abstract: A backlight module includes a light guide plate that includes a light incident surface including a first light incident section and a second light incident section, a light emission surface, and a first reflection surface defining a first acute angle with respect to the first reflection surface; a light bar, which includes first and second light sources respectively corresponding to the first and second light incident section such that light from the first and second light sources is allowed to enter the light guide plate to be selectively reflected by the first reflection surface and emit outward from the light emission surface; and a control circuit, which is electrically connected to the first light source and the second light source for controlling the first light source and the second light source. Also provided is a liquid crystal display that includes the backlight module and may achieve sectionized displaying.

Abstract: A flat panel lighting apparatus, which makes it easy to replace a circuit board with LEDs thereon, is provided. The flat panel lighting apparatus includes a backplate, a driving unit, a light guide plate, a frame, a bracket, a circuit board, a connector and a cable connecting the driving unit and the circuit board. The frame with an opening portion is disposed at an outer periphery of the backplate and the light guide plate. The bracket is detachably coupled to the opening portion of the frame. The circuit board with light sources, is disposed in a space between the frame and the light guide plate, and is replaceable in a sliding type through the opening portion of the frame when the bracket is decoupled from the frame. The connector has a female terminal attached to the circuit board and a male terminal detachably coupled to the female terminal.

Abstract: Provided are a backlight device and a liquid-crystal display device whereby, while carrying out a radiation countermeasure of a light source, uniformity of temperature of a back face chassis is effected. The backlight device comprises: a light-guide plate (12) which emits toward the front face side light which enters from an end face; a light source (14a) which projects light toward the end face; a back face chassis (9) which is disposed on the back face side of the light-guide plate; and a heat radiation member (8a) which is disposed on the back face side of the back face chassis, and which dissipates heat from the light source. The heat radiation member further comprises chassis contact portions (38a-38c) which make partial contact with the back face of the back face chassis at multiple sites.

Abstract: The present invention provides a mold-frame-free liquid crystal display device and an assembly method thereof, in which a lower surface of a liquid crystal display panel (2) is provided with a first double-sized adhesive tape (110) that circumferentially surrounds an effective display area (21) and an optical film assembly (15) is adhesively attached to the first double-sized adhesive tape (110) and a reflector plate (14) and a light guide plate (11) are sequentially disposed inside the terminal frame (4) and, finally, the liquid crystal display panel (2) that includes the optical film assembly (15) attached thereto and the terminal frame (4) with the reflector plate (14) and the light guide plate (11) disposed therein are assembled together, whereby a backlighting mold frame can be omitted, the cost can be reduced, and a bezel width of a liquid crystal display device can be effectively reduced to realize narrow bezel of the liquid crystal display device, increase product competition power, allow the backligh

Abstract: An optical fiber includes an optical transmission medium having a core and a cladding; a primary resin layer disposed in contact with the optical transmission medium to coat the optical transmission medium; and a secondary resin layer coating the primary resin layer, wherein the primary resin layer comprises a cured product of an ultraviolet light curable resin composition comprising a urethane (meth)acrylate oligomer, a monomer and a photopolymerization initiator, and a compound containing phosphorus and tin as constituent atoms; and a Young's modulus of the primary resin layer is 0.5 MPa or less at 23° C.

Abstract: A low attenuation optical fiber having a core doped with Ge is offered. The optical fiber consists of a glass part and a covering part formed around the glass part. The glass part is made of silica glass and includes: a Ge-doped center core region; an optical cladding layer formed around the center core region; and an optical cladding layer formed around the cladding layer. The relationship of ?1>?3??2 holds, where ?1, ?2, and ?3 are the relative refractive index differences of the center core region, the cladding layer, and the cladding layer 30, respectively with respect to pure silica glass. The average outer diameter of the glass part is in the range of 125±0.5 ?m in the longitudinal direction, and 3? is in the range of 0.1 ?m to 0.5 ?m, where ? is the standard deviation of the outer diameter in the longitudinal direction.

Abstract: An optical fiber having both low macrobend loss and low microbend loss. The fiber has a central core region, a first (inner) cladding region surrounding the central core region and having an outer radius r2>16 microns and relative refractive index ?2, and a second (outer) cladding region surrounding the first cladding region having relative refractive index, ?3, wherein ?1>?3>?2. The difference between ?3 and ?2 is greater than 0.12 percent. The fiber exhibits a 22 m cable cutoff less than or equal to 1260 nm, and r1/r2 is greater or equal to 0.24 and bend loss at 1550 nm for a 15 mm diameter mandrel of less than 0.5 dB/turn.

Abstract: An optoelectronics chip-to-chip interconnects system is provided, including at least one packaged chip to be connected on the printed-circuit-board with at least one other packaged chip, optical-electrical (O-E) conversion mean, waveguide-board, and (PCB). Single to multiple chips interconnects can be interconnected provided using the technique disclosed in this invention. The packaged chip includes semiconductor die and its package based on the ball-grid array or chip-scale-package. The O-E board includes the optoelectronics components and multiple electrical contacts on both sides of the O-E substrate. The waveguide board includes the electrical conductor transferring the signal from O-E board to PCB and the flex optical waveguide easily stackable onto the PCB to guide optical signal from one chip-to-other chip. Alternatively, the electrode can be directly connected to the PCB instead of including in the waveguide board. The chip-to-chip interconnections system is pin-free and compatible with the PCB.

Abstract: A photonic interconnect apparatus includes tunable light devices, multiplexers to multiplex optical signals produced by the tunable light devices onto optical paths, and a cyclic arrayed waveguide grating (AWG) to receive the optical signals over the optical paths, and to direct a given optical signal of the received optical signals to a selected output of a plurality of outputs of the cyclic AWG based on a wavelength of the given optical signal. A respective demultiplexer directs the given optical signal to a selected output of a plurality of outputs of the respective demultiplexer according to which coarse wavelength band the wavelength of the given optical signal is part of.

Abstract: The variable optical splitter system includes a V-shaped optical splitter for use in planar lightwave circuits (PLCs), photonic integrated circuits (PICs), etc. The V-shaped optical splitter has first and second optically transmissive branches sharing a common optically transmissive base, where the first and second optically transmissive branches each define an optical waveguide. The first and second optically transmissive branches are symmetrically angled about a central longitudinal axis. A light source directs a light beam to a laterally extending input surface of the optically transmissive base. The light beam travels parallel to the central longitudinal axis. The optical power splitting ratio is directly proportional to the input beam's displacement from the central longitudinal axis, permitting selective tuning of the ratio during design of the splitter.

Abstract: This reinforcement device includes: a first heater (9A) on which a fusion-spliced section of an optical fiber covered with a protective member is disposed and which heats a central portion of the protective member at a first temperature (T1); second heaters (9B) which are respectively provided on both sides of the first heater (9A) along a longitudinal direction of the optical fiber and respectively heat both end portions of the protective member at a second temperature (T2); and a CPU (14) which performs energization control for heating each of the first heater (9A) and the second heaters (9B), wherein the CPU (14) makes an energizing time of the first heater (9A) and an energizing time of each of the second heaters (9B) at least partially overlap.

Abstract: A multimode interference (MMI) coupler with an MMI region of curved edges, and a method of design and manufacturing by using a computerized optimization algorithm to determine a favorable set of segment widths for the MMI region for a predefined set of coupler design parameters.

Abstract: An optical system for optical communications includes: a signal light exit portion, a first coupler optical system that collects the signal light, a first collimator optical system that collimates the signal light into a parallel light, an optical signal-operating portion that reflects the parallel light, a second collimator optical system that collects the parallel light reflected, a second coupler optical system that collects signal light, and a signal light-receiving portion that receives the signal light incident, wherein: the first collimator optical system is defined by a decentered optical system that includes a reflective surface that tilts with respect to an optical axis of incident signal light and is capable of reflection, and the second collimator optical system is defined by a second decentered optical system that includes a reflective surface that tilts with respect to an optical axis of incident signal light and is capable of internal reflection.

Abstract: A multicast exchange optical switch includes an input port device including M input ports, an output port device including N output ports, a diffractive beam splitter, an optical focusing component, and a 1×N array of reflective devices. The diffractive beam splitter diffracts each input signal beam from the input ports into at least N directions. The optical focusing component includes a first focusing lens and a second focusing lens. The first focusing lens focuses sub-beams from the respective input ports along the Y-axis direction having the same diffraction order. The second focusing lens focuses on the X-axis direction sub-beams from the same input port having different diffraction orders. The 1×N array of reflective devices is provided at the focal plane of the optical focusing component and each reflective device reflects a sub-beam from any one of the input ports to any one of the output ports.

Abstract: A connector, a system, and a method provide a single interface at a device for power and optical inputs or outputs. A single interface at the DC source allows for a single connection to the power and optical signals from the splitter. The connector can be used at other locations needing both power and optical signal connectivity.

Abstract: A fiber optic adapter (736/836) includes a body configured to mate a first fiber optic connector (12) with a second fiber optic connector (50), the first and second fiber optic connectors (12,50) including latches (60) for mating with catches (771) of the adapter (736/836) for releasably engaging the first and second connectors (12,50) with the fiber optic adapter (736/836), wherein the latches (60) are configured to be unlatched from the catches (771) by direct contact with the latches (60). The adapter (736/836) includes a release mechanism (702/802) for allowing a user to release the latch (60) of at least one of the first and second fiber optic connectors (12,50) from the adapter (736/836) without directly contacting the latch (60) of the at least one of the first and second fiber optic connectors (12,50).

Abstract: An optical receptacle including: a fiber stub having a ferrule containing an optical fiber conducting light; a holder holding the fiber stub; and a sleeve. The ends of the sleeve respectively holding a tip of the fiber stub and a plug ferrule inserted into the optical receptacle. The ferrule includes a foreign matter movement suppressor in an end surface thereof which is polished into a convex spherical configuration on a side to be connected to the plug ferrule, and which suppresses movement of foreign matter moving, due to inserting and removing the plug ferrule, from an outer circumferential portion of the ferrule toward a central portion of the end surface.

Abstract: A terminus for a fiber optic cable includes a ferrule. In one embodiment, an optical fiber of the cable passes through a central bore of the ferrule and is attached to a lens seated in a conical or cylindrical seat formed in an end surface of the ferrule by an epoxy. In a second embodiment, an optical fiber of the cable passes through the central bore of the ferrule. Next, a cap sleeve with a lens therein is slid over and attached to the ferrule such that the lens abuts or is attached to the optical fiber. In either embodiment, an inspection slot may optionally be formed in the ferrule and/or the cap sleeve to allow a technician to inspect the state of the attachment and/or abutment and/or spacing of the optical fiber and the lens.

Abstract: Embodiments herein include an optical system, an optical component, and an associated method of passive alignment in which complementary magnetic patterns are used to provide passive alignment between optical elements. The magnetic coupling between the magnetic patterns operates to align optical elements in at least two dimensions. The magnetic coupling provides a temporary holding force on the optical elements until the optical elements are secured using epoxy or other adhesive.

Abstract: Examples described herein include optical connectors with different positions. In some examples, an electronic device comprises a housing, an optical fiber, and a first optical connector secured to the optical fiber. The housing may have a first wall. The optical fiber may be within the housing. The first optical connector may be moveable between a first position and a second position along the first wall.