Abstract: According to aspects of the present disclosure, an example downhole tool may include tool body, a first pad radially extendable from the tool body, and a radial array of conformable sensors coupled to the first pad. At least one conformable sensor of the radial array of conformable sensors may include a first flexible material. A transmitter may be coupled to one of the tool body and the first flexible material, and a receiver may be coupled to one of the tool body and the first flexible material. At least one of the transmitter and the receiver may be coupled to the first flexible material.

Abstract: The present disclosure discloses a detector device comprising a plurality of detector assemblies. Each detector assembly comprises at least one detection crystal units having a first energy response and those having a second energy response, which are both arranged along a first direction at intervals, each detection crystal unit having a first/second energy response including at least one detection crystals having a first/second energy response arranged along a second direction. The at least one detection crystal units having a first energy response and the at least one detection crystal units having a second energy response are, at least partially, alternatively arranged along the first direction when viewed from an incidence direction of the X-ray. The present disclosure also discloses a dual energy CT system having the detector device and a CT detection method using this system.

Abstract: Methods and apparatus for parcel inspection with x-rays. A source of penetrating radiation contained entirely within an enclosing body of a conveyance generates a beam of penetrating radiation incident upon a parcel while the parcel is disposed externally to the enclosing body. A detector generates an inspection signal based on detection of penetrating radiation after interaction with contents of the parcel. A conveyor positions the parcel with respect to the beam of penetrating radiation, while a processor ascertains a specified characteristic of the parcel based on the inspection signal.

Abstract: A multi-source neutron logging tool has been developed. The multi-source logging tool comprises axially aligned gamma and thermal neutron detectors on either side of a multi-neutron source. The multi-source neutron logging tool may be used to evaluate formations adjacent a borehole.

Abstract: A method for evaluating a characteristic of a formation adjacent a wellbore comprises emitting a neutron field into the formation from a neutron source, obtaining data comprising a long neutron neutron (LNN), short neutron neutron (SNN), long neutron gamma (LNG) and short neutron gamma data (SNG) from the neutron field emitted into the formation and combining the long data with the short data to reduce error associated with the characteristic to be evaluated. A detector for evaluating a characteristic of a formation includes a neutron source and detectors for detecting LNN, SNN, LNG, SNG.

Abstract: In one embodiment, a method, comprising directly sensing a condition of a seed entirely buried in soil; changing a first characteristic of a sensing component responsive to the condition of the seed; and responsive to receiving a momentary external excitation, providing by the sensing component a first electromagnetic signal wirelessly to a second device based on the changed first characteristic, the first electromagnetic signal providing an indication of the condition of the seed.

Abstract: Methods and systems to estimate physical dimensions of actual obstructions identified as being in a wellbore of an injection well are provided. Methods and systems include the determination of a well performance model with a simulated obstruction, using inflow performance and outflow performance relationships.

Abstract: Disclosed is a method of monitoring the behaviour of a subsurface volume. The method comprises transforming a single discrete parameter or an ensemble of discrete parameters describing an attribute of the subsurface volume, each discrete parameter having N possible discrete values with N ?2, into N indicator parameters each having 2 possible discrete values; for each of the two value classes of each indicator parameter, determining the anisotropic distance to a value transition interface; transforming each of the indicator parameters into a corresponding continuous parameter using the determined anisotropic distance to the value transition interface; and using the continuous parameters in a history matching process.

Abstract: A photonic crystal (PC) device including one or more resonant optical structures defined by the photonic crystal structure is affixed to the end face of an optical fiber. The PC device is fabricated on a separate substrate, and then affixed to the fiber end face. This transfer can be facilitated by device templates which are laterally supported by tabs after an undercut etch. The tabs can be designed to break during transfer to the fiber, thereby facilitating transfer. Registration marks and/or the use of device templates having the same diameter as the fiber can be used to provide lateral alignment of the fiber to the resonant optical structures. Such alignment may be needed to provide optical coupling between the fiber and the resonant optical structures.

Abstract: An optical element, having a length in a direction of a first axis and a width in a direction of a second axis, wherein the length is greater than or equal to the width. The optical element includes a sapphire crystallographic structure having a plurality of crystal planes, wherein a first crystal plane axis is configured to be perpendicular to the first and the second axis, a second crystal plane axis is configured to be parallel to the first axis and a third crystal plane axis is configured to be parallel to the second axis.

Abstract: The present invention has an object to provide a material with which a light reflective substrate having high optical reflectance can be easily produced. The material for a light reflective substrate according to the present invention comprising a glass powder which does not substantially contain CaO as a composition, and Nb2O5 crystal powder.

Abstract: The present invention relates to ionic silicone hydrogel polymers displaying improved lysozyme uptake, low contact angle and reduced water soluble polymeric ammonium salt uptake.

Abstract: A first light-shied-coating formation step that forms a light shield coating only in a part of an area of a transparent-substrate in which a light shield coating is to be formed, a step that deposits an optical thin film including, as its outermost layer, a layer to be hydrothermally treated, which will become a fine uneven pattern coating by being hydrothermally treated, in an area in which an antireflection coating is to be formed, a second light-shield-coating formation step that forms a light shield coating in all of the area in which the light shield coating is to be formed, but the light shield coating was not formed in the first light-shield-coating formation step, and a step that forms the fine uneven pattern coating in the area in which the antireflection coating is to be formed by hydrothermally treating the layer to be hydrothermally treated are performed in this order.

Abstract: A fine-concave-convex transfer mold with which defect regions of a molded body having a fine-concave-convex structure can be easily identified, and deformation of the fine-concave-convex structure can be inhibited even if the molded product is wound. A mold for the production of an optical article has, provided to a surface thereof, a plurality of convex portions at a cycle equal to or less than the wavelengths of visible light, and a plurality of concave portions formed between the adjacent convex portions. The mold has a surface provided with a transfer area having concave portions and convex portions that have a size and shape complementing the convex portions and the concave portions of the optical article. The mold can include, in the transfer area, marking portions. The height of the convex portions in the transfer area is less than the height of convex portions in sections other than the transfer area.

Abstract: An LCD device is disclosed, which may include display panel and a hard coating layer on the display panel from a photo curable resin composition that includes a fluorinated polymer, wherein the fluorinated polymer is included into the photo curable resin composition by about 15 to about 35 wt %.

Abstract: A display device can include: a display panel configured to include a first substrate and a second substrate, and a cover substrate disposed on the display panel and configured to contain a carbonate compound.

Abstract: There is provided a method of manufacturing a hard coat film having a hard coat layer on at least one side of a transparent support, the method comprising curing a hard coat layer forming composition containing (a) a compound having one alicyclic epoxy group and one ethylenically unsaturated double bond group in a molecule and having a molecular weight of 300 or less, (b) a compound having three or more ethylenically unsaturated double bond groups in a molecule, (c) a radical polymerization initiator, and (d) a cationic polymerization initiator in a specific amount.

Abstract: The present invention relates to a polarizing plate including a polarizer; and a protective layer formed on at least one surface of the polarizer, in which the protective layer is a cured product of a radical curable composition including (A) a first compound represented by [Formula 1], (B) a radical curable second compound having two or more of each of a benzene ring, a (meth)acryloyl group, and a carboxy group in a molecule thereof, and (C) a radical initiator, and an image display device including the same.

Abstract: A piezoelectric optical micro-electro-mechanical systems (POMEMS) device includes a glass layer having a bottom surface and a top surface. The device may also include an upper moisture barrier layer having a top surface and a bottom surface in which the bottom surface of the top moisture barrier layer is substantially coextensive with and interfaces with the top surface of the glass layer. A piezo stack may be attached above the upper moisture barrier layer. The device may also include a lower moisture barrier layer having a bottom surface and a top surface. The top surface of the lower moisture barrier layer is substantially coextensive with and interfaces with the bottom surface of the glass layer. A semiconductor substrate may be attached below the bottom moisture barrier layer.

Abstract: A method for modifying the refractive index of an optical polymeric material. The method comprises continuously irradiating predetermined regions of an optical, polymeric material with femtosecond laser pulses to form a gradient index refractive structure within the material. The optical polymeric material can include a photosensitizer to increase the photoefficiency of the two-photo process resulting in the formation of the observed refractive structures. An optical device includes an optical, polymeric lens material having an anterior surface and posterior surface and an optical axis intersecting the surfaces and at least one laser-modified, GRIN layer disposed between the anterior surface and the posterior surface and arranged along a first axis 45° to 90° to the optical axis.

Abstract: An optical lens 11, which has a lens section with a refractive power, has concave marks 33, 35, 37, and 39 which are formed to be recessed on a surface of the lens section, in an effective optical lens surface which contributes to image forming of the lens section. A width of each of these concave marks 33, 35, 37, and 39 is equal to or greater than 0.05 ?m and equal to or less than 14 ?m, and a depth of recession of each concave mark is equal to or greater than 0.05 ?m and equal to or less than 5 ?m.

Abstract: An actuation mechanism for simultaneous actuation of first and second variable focal length lenses is disclosed. Each lens comprises a distensible membrane bounding a fluid-filled cavity, the focal length varying with the degree of curvature of the membrane as it distends. The actuation mechanism comprises a hydraulic master actuator in fluid communication with a hydraulic slave actuator associated with the first lens and with a hydraulic slave actuator associated with the second lens. Each slave actuator is configured to vary the degree of distension of the membrane of its associated lens in response to operation of the master actuator, whereby the master actuator is operable to cause a variation of the degree of distension of the membranes of both the first and second lenses simultaneously.

Abstract: An optically absorptive anisotropic film includes a dichroic dye. The light absorbances of the film satisfy the formulas (1), (2) and (3): Az>(Ax+Ay)/2??(1) Ax(z=60)/Ax>5??(2) Ay(z=60)/Ay>5??(3) wherein Ax, Ay, Az, Ax (z=60) and Ay (z=60) are absorbances at a local maximum absorption wavelength of the dichroic dye; Ax, Ay and Az represent an absorbance of linearly polarized light vibrating in the direction of the x-axis, y-axis and z-axis, respectively; Ax (z=60) represents an absorbance of the linearly polarized light vibrating in the direction of the x-axis in the state of the film rotated by 60° around the y-axis; and Ay(z=60) represents an absorbance of the linearly polarized light vibrating in the direction of the y-axis in the state the film rotated by 60° around the x-axis.

Abstract: This light-diffusing member includes a light-transmissive substrate, a plurality of wavelength-controlling layers formed on one surface of the light-transmissive substrate, and a light-diffusing portion formed on the one surface of the light-transmissive substrate in a region other than a region where the wavelength-controlling layers are formed.

Abstract: In the technical field of display, a color filter substrate and a curved display device, which can solve the technical problem of low aperture ratio of the existing curved display device, are provided. The color substrate comprises a plurality of sub pixel regions arranged as an array, and black matrixes for separating the sub pixel regions from each other. Measured along a transverse direction, the transverse width of each of all or some of the black matrixes located in the regions at both sides of the color filter substrate is smaller than that of each of the black matrixes located in the region at the center of the color filter substrate. The present disclosure can be applied to curved display device, such as liquid crystal television and curved liquid crystal display device.

Abstract: The present invention discloses a color filter substrate comprising a substrate; and a color filter layer disposed on the substrate. The color filter layer comprises at least two color regions, and at least two alignment marks, corresponding to the at least two color regions respectively, disposed on a perimeter zone of the substrate. Each of the alignment marks is configured to have a block structure, and at least one of the alignment marks is provided with a recess in a top thereof.

Abstract: A reflector assembly may comprise a frame assembly comprising a first backing frame having a first curvature and a second backing frame having a second curvature opposing the first curvature. The reflector assembly may further comprise a first reflector sheet of a material. The first reflector sheet may be removably securable to the first backing frame. The first backing frame may flex the first reflector sheet to have the first curvature. The reflector assembly further comprises a second reflector sheet of the material. The second reflector sheet may be removably securable to the second backing frame. The second backing frame may flex the second reflector sheet to have the second curvature.

Abstract: A polarizing plate includes an outer protective film and a polarizer. The sum S of the product of the modulus of elasticity and the cube of the thickness in each layer is up to 150,000 Pa·mm3, and the value obtained by dividing the sum S by the Knoop hardness k of the outer protective film is 200 or more but up to 450. The polarizing plate is excellent in surface pencil hardness even when its thickness is reduced.

Abstract: An optical display system configured to transmit light along a light path to a user's eye, the display system comprising a circular polarizing reflector configured to reflect light with a first polarization from an image source, a quarter wave plate downstream of the circular polarizing reflector in the light path and configured to rotate the polarization of the light to a second polarization, and a curved linear polarizing reflector downstream of the quarter wave plate and configured to reflect the light back through the quarter wave plate along the light path in the direction of the circular polarizing reflector. The quarter wave plate further configured to rotate the polarization of the light received from the curved linear polarizing reflector to a third polarization and the circular polarizing reflector further configured to receive said light from the quarter wave plate and transmit the light toward the user's eye.

Abstract: An optical film includes a polarization film including a polymer resin and a dichroic dye, and a phase delay layer disposed on the polarization film and including a liquid crystal.

Abstract: An optical film includes a polarization film including a polymer resin and a dichroic dye, and a phase delay layer disposed on the polarization film and including a liquid crystal.

Abstract: Polarizer stacks are described. More particularly, polarizer stacks that include an absorbing polarizer and multiple reflective polarizers, including at least one collimating reflective polarizer are described. Such polarizer stacks are capable of emitted light that is both collimated and color neutral. Backlights incorporating such polarizer stacks are also described.

Abstract: An electronic device may have a display. Inactive portions of the display may be masked using an opaque masking layer. An opening may be provided in the masking layer. A camera may receive light through the opening in the opaque masking layer. The display may include upper and lower polarizers, a color filter layer, and a thin-film transistor layer. The upper polarizer may have an unpolarized window aligned with the opening in the opaque masking layer for the camera, a logo, or another internal structure. The unpolarized window may be formed from openings in polarizer layers such as a polyvinyl alcohol layer and optical retarder layers. The openings may pass through all or less than all of the polarizer layers. The openings may be filled with transparent filler material. The polarizer may include a try-acetyl cellulose layer that continuously covers the opening in other polarizer layers.

Abstract: A layered phase difference film including, in the following order: a resin layer A1 formed of a resin A1 having a positive intrinsic birefringence; a resin layer B formed of a resin B having a negative intrinsic birefringence; and a resin layer A2 formed of a resin A2 having a positive intrinsic birefringence, wherein the resin layer A1 and the resin layer B are in direct contact with each other, the resin layer B and the resin layer A2 are in direct contact with each other, the resin layer A1 and the resin layer A2 are negative C-plates, the resin layer B is a positive B-plate, and the layered phase difference film has an Nz coefficient within a range of 0 to 1.

Abstract: An optical system includes an illumination source, a volume hologram, and an image-forming optic. The illumination source is configured to emit coherent light, and the volume hologram is configured to receive and diffract the coherent light. The image-forming optic is arranged opposite the volume hologram and configured to receive the coherent light diffracted by the volume hologram and to spatially modulate the coherent light to form an image.

Abstract: Embodiments described herein are directed to a lighting fixture including a lightguide that distributes light from a major surface, a light assembly including light sources arranged linearly, and a frame including a means for providing a force that urges the light assembly against an edge of the lightguide. A standoff or spacer can provide an air gap between a light source of the light assembly and the waveguide edge. In various embodiments, the lighting fixture may incorporate a spring, a spring finger, a spring clip, a screw, or other means for securing the light assembly against the edge of the lightguide. In this manner, substantially all light provided by the light assembly is emitted into the edge of the lightguide. The fixture is formed to accommodate tolerances among elements of the lighting fixture, while maintaining the light assembly securely against the edge of the lightguide.

Abstract: The present invention discloses a light guide plate, a backlight module and a display device, so as to solve the technical problem of color shift generated in prior art display panel due to the change of angle of view. The light guide plate comprises a bottom surface, a light exiting surface opposite to the bottom surface, and a quantum dot layer provided on the light exiting surface and comprising a quantum dot array, wherein the light exiting surface has a non-planar structure. Embodiments of the present invention provide following advantageous effects: the quantum dots on the surface of the light guide plate are configured to have a non-planar structure, such that the light transmitted through the spacing between quantum dots and having the same spectrum as the quantum dots is smoothly changed, thereby reducing the affection of color shift of the display device due to the change of angle of view.

Abstract: A spread illuminating apparatus includes a light source that emits white light, and a light guide plate including an incident light surface which is an end surface at which the light source is disposed and an emitting part that emits light which has entered from the incident light surface in a spread pattern from an emitting surface. The light guide plate includes an incident light wedge part between the incident light surface and the emitting part, the incident light wedge part including an inclined surface and tapering in thickness from the incident light surface side toward a forward direction. Also, a blue light diffusing part that scatters mainly blue light by Rayleigh scattering is provided on at least one of the emitting surface side or an opposite surface side of the emitting surface side near the incident light wedge part.

Abstract: A backlight module including a light guide plate, a light conversion layer, a light source, and a reflecting surface is provided. The light guide plate has a light emitting surface, a back surface, a first side, and a second side. The light emitting surface is opposite to the back surface, and the first side and the second side are connected between the light emitting surface and the back surface. The light conversion layer is disposed on the light emitting surface. The light source is disposed at the first side. The reflecting surface is located at the second side. An included angle between the reflecting surface and an extending direction of the light emitting surface is an acute angle. A light beam emitted by the light source enters the light guide plate through the first side, and is reflected by the reflecting surface after being transmitted through the light guide plate.

Abstract: A directional privacy display may include a waveguide; and an array of light sources and spatial light modulator that operate in a time sequential manner. The waveguide may include light extraction features arranged to direct light from an array of light sources by total internal reflection to an array of viewing windows and a reflector arranged to direct light from the waveguide by transmission through extraction features of the waveguide to the same array of viewing windows. First and second phases may be temporally multiplexed with respective primary and secondary images and primary and secondary angular illumination distributions. An efficient and bright privacy display may be provided with obscured primary image visibility for off-axis observers.

Abstract: The present disclosure of the present invention provides an optical assembly, a manufacturing method thereof, and a display device. Specifically, the optical assembly for a backlight module includes a light guide plate; and a set of optical membranes located on a light exiting surface of the light guide plate. The light guide plate is adhesively fixed with the set of optical membranes by a first transparent adhesive layer.

Abstract: A luminaire includes (i) light-emitting elements (LEEs), (ii) couplers to receive light from the LEEs and to redirect the received light, and (iii) a light guide including input and output ends and a pair of opposing surfaces both extending along an axis of the light guide. The light guide receives light from the couplers at the input end and guides light along the axis to the output end. The luminaire includes (iv) a diffuser adjacent the light guide to diffuse at least a portion of the light output by the light guide, and (v) a reflector to receive the light emitted from the output end of the light guide, such that light output by the light guide without impinging on the diffuser impinges on only one of the surfaces of the reflector. When operated, the luminaire outputs light within first and second output angular ranges.

Abstract: Illumination systems are described for illuminating a target area, e.g., a floor of a room, using active illumination devices in optical communication with passive illumination devices. The active and passive illumination devices of the illumination system are configured and arranged relative to each other in a variety of ways so a variety of intensity distributions can be provided by the illumination system. Such illumination system is implemented to provide light for particular lighting applications, including office lighting, garage lighting, or cabinet lighting.

Abstract: A backlight unit including a light-emitting element and a member that selectively reduces an amount of emitted light, and wherein the light-emitting element includes a light source and a wavelength conversion member, and the wavelength conversion member includes at least one fluorescent material, the light-emitting element has a property of emitting blue light, green light, and red light, and the blue light has an emission intensity peak with an emission center wavelength falling within a wavelength range of 430 nm to 480 nm, the green light has an emission intensity peak with an emission center wavelength falling within a wavelength range of 520 nm to 560 nm and a half width exceeding 50 nm, and the red light has an emission intensity peak with an emission center wavelength falling within a wavelength range of 600 nm to 680 nm and a half width exceeding 50 nm.

Abstract: A light source device and a display device capable of preventing a problem of torsion occurring in a back chassis due to an unevenness in a temperature distribution are provided. In a light source device including: a light guide plate that outputs light incident from one side face from one face; a light source that is arranged on the one side face side of the light guide plate; and a back chassis that has a bottom arranged to face the other face of the light guide plate, by forming a reflection film reflecting light incident from the light guide plate to the light guide plate in a heat absorption plate portion that is arranged between the light guide plate and the bottom of the back chassis and absorbs heat emitted from the light source, the heat absorption plate portion absorbs heat generated from the light source and achieves the role of a reflection sheet.

Abstract: The backlight device included in the display apparatus includes a bezel, light guide plate, heat sink (supporting member) located on the rear side of the light guide plate, and a front side chassis (pressing member) located on the front side of the light guide plate to press the light guide plate from the front side. The bezel is fixed to the front side chassis. By a protrusion (suppressing member), the heat sink suppresses the approaching movement of a part of the bezel covering a side part of the heat sink. This also prevents the rotational movement of front part of the bezel and the front side chassis moving forward along with the movement of the part of the bezel. The force of the front side chassis pressing the light guide plate is not lowered, while preventing the light guide plate from shifting its position.

Abstract: An optical fiber including a multimode core having a radius, R1, and a maximum relative refractive index, ?1MAX, at a wavelength ?0, an inner clad region surrounding the core and having a radial thickness, T2, and a minimum relative refractive index, ?2MIN, of about 0.0% at a wavelength of ?0, and an outer clad layer, which is doped with chlorine at greater than or equal to 0.5 weight %, surrounding the inner clad region and having a radial thickness, T3, and a maximum relative refractive index, ?3MAX, at a wavelength of ?0. The optical fiber satisfies the following relationship: ?1MAX>?3MAX>?2MIN, and the optical fiber exhibits an overfilled bandwidth of greater than or equal to about 1.5 GHz-km at ?0.

Abstract: An optical waveguide for guiding electromagnetic waves. One example of an optical waveguide includes a waveguide substrate, at least one layer of low index optical coating formed on a surface of the waveguide substrate, and a thin layer of metal formed on a surface of the at least one layer of the low index optical coating, where the at least one layer of low index optical coating is disposed between the waveguide substrate and the thin layer of metal. The thin layer of metal can have a thickness in a range of about 5 nm to about 20 nm. In one example, the thin layer of metal is chromium.

Abstract: An optical fiber with image enhancement is provided with, in combination an elongated optical fiber unit including an image input surface on a bottom, an image output surface on a top, and a light guide member between the image input surface and the image output surface. The elongated optical fiber unit is a triangular sectional structure having a vertical surface and an inclined surface, and length of the image output surface is greater than that of the image input surface. The elongated optical fiber unit is configured to seamlessly fasten in a joining portion of two rectangular panels so that light is configured to pass through the image input surface, the light guide member, and the image output surface.

Abstract: A light coupling structure is provided that includes a diffractive grating coupler, a total internal reflection (TIR) minor, and a polymer waveguide. The TIR minor is formed within the polymer waveguide to direct light signals between the diffractive grating coupler and the polymer waveguide.