Abstract: An optical film includes: a high refractive index pattern layer including a material having a refractive index greater than 1 and having a first surface and a second surface which face each other, where a plurality of grooves is defined in the first surface, and each of the plurality of grooves is defined by a curved surface portion of the first surface of the high refractive index pattern and has a depth greater than a width thereof; and a low refractive index pattern layer including a plurality of protruding patterns disposed in the plurality of grooves, having a refractive index less than the refractive index of the high refractive index pattern layer, and including a plurality of layers having different refractive indices from each other.

Abstract: A method for producing an optical film including a birefringent layer having a refractive index distribution satisfying nx>nz>ny that can be produced by a small number of steps, contains less foreign matter trapped therein, and has high productivity. The method includes steps of: forming a coating film by directly applying a material for forming a birefringent layer on the shrinkable film; shrinking the coating film in a first direction by shrinking the shrinkable film; and stretching a laminate of the shrinkable film and the coating film in a second direction orthogonal to the first direction, wherein the material for forming a birefringent layer contains at least one resin selected from norbornene resins, polycarbonate resins, cellulose resins, polyamides, and polyurethanes, and wherein the birefringent layer has a refractive index distribution satisfying nx>nz>ny. An optical film produced by the method.

Abstract: An optical component is an optical component including: a plastic base; and a multilayer film disposed on at least a surface having a greater curvature, of a front surface of the plastic base and a rear surface of the plastic base, wherein the multilayer film has a maximum reflectivity of 3% to 50% in a wavelength range of 380 nm to 780 nm.

Abstract: The present invention relates generally to the field of organic chemistry and particularly to the optical retardation films for liquid crystal displays. The present invention provides an optical film comprising a substrate having front and rear surfaces, and at least one solid retardation layer on the front surface of the substrate.

Abstract: A method of preparing an optical film, preparing a coating composition including an amic acid-containing polymer represented by Chemical Formula 1 and at least one polymerization aid selected from an alkyl phosphite, an aryl phosphite, an alkyl phosphate, and an aryl phosphate; providing the coating composition on a substrate to form a coating layer; and applying heat to the coating layer to prepare a cured film: wherein, in Chemical Formula 1, are the same or different in each repeating unit, and are each independently at least one selected from an aromatic organic group, an aliphatic organic group, and an alicyclic organic group, and 0?x?1.

Abstract: The invention relates to an optically variable element as well as a method for the production thereof. In a first area the optically variable element has at least one first color region which in the event of illumination generates a color dependent on the angle of observation and/or angle of illumination. The first color region has two or more zones (41 to 47) arranged next to each other. The two or more zones arranged next to each other have in each case a width and/or length dimension of less than 300 ?m. In at least one first zone (41) of the zones (41 to 47) of the first color region a thin-film interference filter (15) is provided with at least one interference layer (17). The interference layer (17) of the thin-film interference filter (15) has a first average thickness (d1) in the first zone (41).

Abstract: Improved solar collectors (40) comprising glass tubing (42) attached to bellows (44) by airtight seals (56) enclose solar absorber tubes (50) inside an annular evacuated space (54. The exterior surfaces of the solar absorber tubes (50) are coated with improved solar selective coatings {48} which provide higher absorbance, lower emittance and resistance to atmospheric oxidation at elevated temperatures. The coatings are multilayered structures comprising solar absorbent layers (26) applied to the meta surface of the absorber tubes (50), typically stainless steel, topped with antireflective Savers (28) comprising at least two layers 30, 32) of refractory metal or metalloid oxides (such as titania and silica) with substantially differing indices of refraction in adjacent layers. Optionally, at least one layer of a noble metal such as platinum can be included between some of the layers.

Abstract: The present invention relates to polymer, homo- or copolymer or oligomer, which, when irradiated with polarised light orients perpendicular to the polarization direction of polarized actinic light, for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, and which derives from at least one monomer (I), compositions thereof, and its use for optical and electro optical devices, such as, liquid crystal devices (LCDs), especially for planar orientation of liquid crystals.

Abstract: The invention relates to a security element comprising a coating of a material which has an optically variable effect, in particular a colour-tilt effect, and cutouts which are identifiable in transmitted light, wherein the security element comprises a carrier substrate and a partial layer having cutouts, wherein the partial layer is made of an opaque coating having light-absorbing properties on the side that faces the coating made of the material having an optically variable effect and having a metallic colouration on the side that faces away from the coating made of the material having an optically variable effect, wherein the partial opaque coating consists of a light-absorbing metallic layer and a reflective metallic layer and a method for producing the same.

Abstract: Provided is a method for forming a bezel pattern of a display panel, the method including: attaching a release film including a non-pattern portion to a panel; printing at least one bezel pattern by applying an ink composition on the panel; and removing the release film from the panel.

Abstract: The purpose of the present invention is to provide a film mirror having a high reflectivity for efficiently concentrating solar light and having excellent weather resistance, and to provide a method for manufacturing the film mirror, a film mirror for photovoltaic power generation, and a reflection device for photovoltaic power generation. This film mirror of the present invention is a film mirror 10a in which a metal reflective layer 3 is disposed above a resin substrate 1. The film mirror is characterized in that it is provided with, closer to the light incident side than the metal reflective layer 3, an interface reflective layer (dielectric reflective layer) 6 having at least one set of a high refractive index layer and a low refractive index layer that are adjacent to each other, and at least one of the high refractive index layer and the low refractive index layer contains a water soluble polymer and metal oxide particles.

Abstract: A method of making a transparent conductive film includes the steps of: providing a carbon nanotube array. At least one carbon nanotube film extracted from the carbon nanotube array. The carbon nanotube films are stacked on the substrate to form a carbon nanotube film structure. The carbon nanotube film structure is irradiated by a laser beam along a predetermined path to obtain a predetermined pattern. The predetermined pattern is separated from the other portion of the carbon nanotube film, thereby forming the transparent conductive film from the predetermined pattern of the carbon nanotube film.

Abstract: A method for making a plastic film having a three-dimensionally structured and colored surface includes the steps of: providing the film with a three-dimensional surface structure via a shaping process; determining the provided topography of the film surface via a scanning process; and, applying a coloring to the surface after the topography of the surface has been determined. A device configured to apply the coloring to the surface is controlled such that the application of the coloring to the surface is changeable in dependence upon at least one of topological data of the surface and macroscopic shapes of the surface.

Abstract: An anti-reflective coating is obtained from a composition of at least one silane compound, at least one metal compound and at least one organic compound having at least two functional groups which can form a coordination polymer.

Abstract: Methods for fabricating nanoscale array structures suitable for surface enhanced Raman scattering, structures thus obtained, and methods to characterize the nanoscale array structures suitable for surface enhanced Raman scattering. Nanoscale array structures may comprise nanotrees, nanorecesses and tapered nanopillars.

Abstract: A patterned retarder includes at least one retardation plate comprising a substrate substantially transparent in visible spectral range and having front and rear surfaces and a set of parallel stripes located on front surface of the substrate and possessing in-plane retardation.

Abstract: An antistatic optical film comprising an antistatic layer laminated on at least one side of an optical film, wherein the antistatic layer comprises a water soluble or a water dispersible conductive polymer, has excellent antistatic effect, optical characteristics and appearance.

Abstract: Coated article having antireflective property together with self cleaning, moisture resistance and antimicrobial properties can be prepared with a topmost layer of titanium oxide on an antireflective layer, which can be formed by a sol-gel process. The antireflective layer can comprise a porosity forming agent, or an alkyltrialkoxysilane-based binder. The antireflective coating can comprise silica and titania components, with pores to achieve low index of refraction and titania to achieve self-cleaning and antimicrobial properties.

Abstract: The present invention relates to a polymerizable composition comprising polyisocyanate(s) (A), polythiol(s) (B), thiol(s) (C) and catalyst(s) (D). The polyisocyanate(s) (A) is at least one bifunctional or higher functional alicyclic polyisocyanate; the polythiol(s) (B) is at least one compound selected from polythiols represented by the following general formula (B1); the thiol(s) (C) is at least one compound selected from thiols having general formula (3); and the catalyst(s) (D) is at least one polymerization catalyst selected from metal compounds, quaternary ammonium salts, organic sulfonic acids, tertiary amines and relative inorganic or organic salts.

Abstract: The method for producing an optical film includes a step of preparing a first coating liquid containing a certain amount of light-transmitting particles, a resin, and a solvent, a second coating liquid containing an amount less than the certain amount of light-transmitting particles, a resin, and a solvent, or not containing the light-transmitting particles but containing a resin and a solvent; a step of coating the second coating liquid and the first coating liquid in this order from the support side on a traveling band-shaped support in the form of a multilayer to form a second coating film and a first coating film; a step of transferring the light-transmitting particles in the first coating film to the side of the second coating film while drying the first coating film and the second coating film.

Abstract: The present invention relates to a method for manufacturing an anti-reflective coating film. The method for manufacturing an anti-reflective coating film is used to form an anti-reflective coating film exhibiting more improved interface adhesion and scratch resistance and excellent anti-reflective effect by a simple process.

Abstract: A method for preparing a one-packing type modified silica film and a modified silica film, the method including preparing a polysilazane solution by dissolving polysilazane in a solvent for polysilazane; preparing a coating liquid by mixing fluorine-containing particles in the polysilazane solution, the fluorine-containing particles having a non-reactive functional group that does not react with polysilazane; forming a coating layer by coating the coating liquid onto a substrate; removing the solvent for polysilazane from the coating layer; and converting the polysilazane into silica.

Abstract: A method of manufacturing an optical compound film includes providing a substrate, a first surface of the substrate facing upwards. A first curable glue is applied on the first surface. The first curable glue is pressed by a first roller with a rough circumferential surface to form a rough surface on the first curable glue. The first curable glue is cured to form a diffusion layer. The substrate is turned over to make a second surface of the substrate face upwards. A second curable glue is applied on the second surface. The second curable glue is pressed by a second roller having a micro-prism-structured circumferential surface to form a micro-prism-structured surface on the second curable glue. The second curable glue is cured to form a brightness-enhancing layer.

Abstract: Provided are methods of depositing polymer solutions on substrates to form various optical elements. A polymer solution may include about 0.1%-0% by weight of a specific polymer having rigid rod-like molecules. The molecules may include various cores, spacers, and sides groups to ensure their solubility, viscosity, and cross-linking ability. The deposition techniques may include slot die, spray, molding, roll coating, and so forth. Pre-deposition techniques may be used to improve wettability and adhesion of substrates. Post-deposition techniques may include ultraviolet cross-linking, specific drying techniques, evaporation of solvent, treating with salt solutions, and shaping. The disclosed polymers and deposition processes may yield optical elements with high refractive index values, such as greater than 1.6. These optical elements may be used as +A plates, ?C plates, or biaxial polymers and used as retarders in LCD active panels or as light collimators and light guides.

Abstract: An optical device includes a substrate, a metallic layer, a dielectric filling and a light collection element. The substrate has first and second opposite surfaces, and has a funnel-shaped cavity between a first aperture on the first surface and a second aperture on the second surface. The metallic layer covers an inner wall of the funnel-shaped cavity. The dielectric filling is disposed over the metallic layer and fills the funnel-shaped cavity. The light collection element is coupled to the second aperture, and is configured to collect light that impinges on the first aperture and is directed to the second aperture by the metallic layer and dielectric filling.

Abstract: There is provided an antireflection coating having a band ranging from visible light to infrared (wavelength range from 400 nm to 1600 nm). The antireflection coating includes twelve layers formed by depositing a high refractive index material and a low refractive index material having a refractive index lower than the high refractive index material alternately and depositing an ultra-low refractive index material having a refractive index lower than the low refractive index material as the outermost layer. The first, third, fifth, seventh, ninth, and eleventh layers are formed by depositing the high refractive index material, the second, fourth, sixth, eighth, and tenth layers are formed by depositing the low refractive index material, and the twelfth layer is formed by depositing the ultra-low refractive index material, where the layers are numbered in order from the substrate side.

Abstract: An anti-reflection nanostructure assembly including an array of nanostructures, wherein each nanostructure of the array includes a proximal end and a distal end, and is tapered from the proximal end to the distal end, and wherein the proximal end of each nanostructure of the array is contiguous with the proximal ends of adjacent nanostructures of the array to form a contiguous layer.

Abstract: Provided are an optical reflection film that uses an aqueous coating liquid for generating at refractive index, has a low production cost, is able to have a large area, and has a high coating film thermal stability, a method of manufacturing the optical reflection film, and an optical reflection body provided with the optical reflection film.

Abstract: This disclosure provides systems, methods, and apparatus related to optofluidic devices. In one aspect, an optofluidic device includes a substrate, a first nanostructure, a second nanostructure, and a cover. A channel having cross-sectional dimensions of less than about 100 nanometers is defined in a surface of the substrate. The first nanostructure is disposed on the substrate on a first side of the channel and proximate the channel. The second nanostructure is disposed on the substrate on a second side of the channel and proximate the channel. The first and the second nanostructures are disposed on a line that passes across the channel. The cover is disposed on the surface of the substrate.

Abstract: A light absorption anisotropic film, wherein content of a liquid crystalline non-colorable low molecular weight compound is 30% by mass or less; and which is obtained by fixing the alignment of a dichroic dye composition comprising at least one type of azo-based dichroic dye having nematic liquid crystallinity; and shows a diffraction peak derived from a periodic structure in a direction parallel to the alignment axis on measurement of X-ray diffraction. The light absorption anisotropic film is high in dichroism.

Abstract: A thin film deposition apparatus that can be easily used to manufacture large-sized display devices on a mass scale and that improves manufacturing yield, and a method of manufacturing an organic light-emitting display device by using the thin film deposition apparatus.

Abstract: Provided are a liquid crystal composition, a liquid crystal film, a method for preparing the liquid crystal film, and a display device. According to an illustrative liquid crystal composition of the present application, the liquid crystal composition may be uniformly coated at normal temperature without any need for adding heat, and thus the process is economical in terms of process, thereby allowing an equipment to be simply manipulated. Also, according to an illustrative liquid crystal composition, an appropriate fluidity may be secured even after a solvent for the liquid crystal composition is dried, and thus uniform alignment may be induced. Furthermore, according to an illustrative liquid crystal composition, uniform liquid crystal alignment may be performed even while liquid crystals are aligned in a wide area.

Abstract: This disclosure, viewed from one aspect, relates to a solution of polyamide comprising: an aromatic polyamide; and a solvent; wherein elastic modulus at 30.0° C. of a cast film formed by applying the solution onto a glass plate is 5.0 GPa or less, and coefficient of thermal expansion (CTE) of the cast film is more than 30 ppm/K, and wherein the aromatic copolyamide comprises at least two repeat units, and at least one of the repeat units has one or more free carboxyl groups.

Abstract: A textured film, a process for manufacture of the textured film, and a light management stack, a backlight, and a display using the textured film are described. The textured film and process for manufacture thereof, include processes in which the surface texture of the optical film is controlled by incorporation of a patterned coating. The surface texture of a polymeric film, such as a polymeric optical film, is controlled by incorporation of the coating, that can fracture or deform upon stretching the film.

Abstract: An isothermal, low pressure-based process of depositing material within a substrate has been developed and results in creating an extremely narrow reaction zone within which a more uniform and efficient deposition will occur. Sets of isothermal plasma operating conditions have been found that create a narrow deposition zone, assuring that the deposited material is clear glass rather than soot particles. The chemical delivery system, in one arrangement, utilizes rods of solid phase source material (which may otherwise be difficult to obtain in gaseous form). The operating conditions are selected such that the hot plasma does not transfer a substantial amount of heat to the substrate tube, where the presence of such heat has been found to result in vaporizing the reactant material (creating soot) and developing hot spots.

Abstract: An apparatus, system, and method for emission filter. A filter apparatus is presented. In one embodiment, the filter apparatus may be adapted for fluorescence spectroscopy. In a particular embodiment, the filter apparatus comprises a solution. The solution may include a polar protic solvent and an absorbing specimen. Additionally, the filter apparatus may include an adhesive to conform the solution into a solid filter.

Abstract: [Problem] To provide a coating composition capable of forming a hard coating on the surfaces of an optical base member such as a plastic lens featuring highly closely adhering property, excellent transparency and excellent scratch resistance. [Means for Solution] The coating composition comprise (a) a fine granular silica having a grain size of not larger than 30 nm; (b) organosilicon compound components containing an epoxy group-containing organosilicon compound (b1) and tetraalkoxysilane (b2) at a mass ratio (b1/b2) of 0.25 to 4.0; (c) water; and (d) a curing catalyst comprising a complex containing aluminum as a core metal, wherein the fine granular silica (a) is contained in an amount of 15 to 55 parts by mass, the water (c) is contained in an amount of 30 to 200 parts by mass and the curing catalyst (d) is contained in an amount of 0.1 to 5.0 parts by mass per the total amount of the fine granular silica (a) and the organosilicon compound components (b) of 100 parts by mass.

Abstract: An alignment master glass for aligning a plurality of openings of a vapor deposition mask for tensioning the vapor deposition mask, the alignment master glass includes a transparent substrate, and reflective film patterns on at least one surface of the transparent substrate, the reflective film patterns being only at locations corresponding to the plurality of openings of the vapor deposition mask.

Abstract: There is provided a filter for filtering electromagnetic radiation, wherein said filter is arranged to transmit electromagnetic radiation of a first predetermined wavelength and to block transmission of electromagnetic radiation of a second, different predetermined wavelength; said filter comprising a first metamaterial. Optionally, the metamaterial may be formed of a plurality of material elements wherein each material element is at least one-dimensional and the size of the material element along each dimension is no greater than the size of the second predetermined wavelength. The filter comprises a second metamaterial arranged to provide second filtering of electromagnetic radiation.

Abstract: A three-sided reflected is formed to include a front and two adjacent sides that are sized to encompass a sign post. This three-sided reflector is then attached to the sign post so that the front faces in the same direction as a front of the sign post. A highly visible material having a bright or fluorescent color and optionally including retro reflectors is disposed on each of the outer surfaces of the front and the two adjacent sides of the reflector so that incident light is reflected back toward a driver of a vehicle that is approaching the front or either side of the sign post. The reflected light greatly increases the visual perception of the sign post by a driver of the vehicle so that it much less likely that the driver will strike the sign post with the vehicle.

Abstract: Provided herein are substrates useful for surface-enhanced Raman spectroscopy (SERS), as well as methods of making substrates. The substrates comprise a support element; a nanoparticulate layer; a SERS-active layer in contact with said nanoparticulate layer; and optionally, an immobilizing layer disposed between said nanoparticulate layer and said support element; wherein if the optional immobilizing layer is not present, the nanoparticulate layer is thermally bonded to the support element; and if said optional immobilizing layer is present, said nanoparticulate layer thermally bonded to said immobilizing layer, and optionally, further thermally bonded to said support element. In addition, methods of making the substrates, along with methods of detecting and increasing a Raman signal using the substrates, are described herein.

Abstract: A coating apparatus includes: a slot die configured to apply coating solution on a support by discharging the coating solution from a tip of a slot and forming a coating solution bead in a clearance between the tip of the slot and the support; a pipe through which the coating solution is fed to a pocket of the slot die; an orifice formed in the pipe at a position nearer a circumference of a circular cross section in a radial direction of the pipe in relation to a center of the circular cross section; a forward tapered inlet channel which is formed at an entrance side of the orifice in the pipe and whose aperture narrows to the orifice; a rearward tapered outlet channel which is formed at an exit side of the orifice in the pipe and whose aperture grows toward a downstream.

Abstract: Provided are an optical reflective film which is a system that permits the employment of a water-based coating method in view of environmental conservation and which, even in a case where the optical reflective film is produced by simultaneous multilayer coating with high production efficiency, exhibits excellent light reflecting properties at a desired wavelength and a low haze due to the suppression of an interlaminar mixing level and interfacial disorder; and an optical reflector using the same.

Abstract: Provided is a transparent carbon nanotube (CNT) electrode comprising a net-like (i.e., net-shaped) CNT thin film and a method for preparing the same. More specifically, a transparent CNT electrode comprises a transparent substrate and a net-shaped CNT thin film formed on the transparent substrate, and a method for preparing a transparent CNT electrode, comprising forming a thin film using particulate materials and CNTs, and then removing the particulate materials to form a net-shaped CNT thin film. The transparent CNT electrode exhibits excellent electrical conductivity while maintaining high light transmittance. Therefore, the transparent CNT electrode can be widely used to fabricate a variety of electronic devices, including image sensors, solar cells, liquid crystal displays, organic electroluminescence (EL) displays, and touch screen panels, that have need of electrodes possessing both light transmission properties and conductive properties.

Abstract: A system for monitoring and analyzing operation of a tape infrastructure. The system includes a plurality of real and virtual tape libraries each including a plurality of tape drives and tape media. The system includes a server linked to the tape library. On the server, a storage tape analytics application is provided that functions to extract raw data sets from the tape library corresponding to operations of the tape library. The data pertains to use of the drives and media during data storage operations and data about the activities of the real or virtual tape libraries. The analytics application stores the extracted data sets in an analytics database. The analytics application provides a user interface for viewing data in the analytics database, e.g., a GUI operable by monitoring personnel to view and interact with the gathered and processed tape operations monitoring data to provide historical and user-driven analysis of data for an entire data center.

Abstract: Embodiments provided herein describe coating formulations, such as those used to form optical coatings, panels having optical coatings thereon, and methods for forming optical coatings and panels. The coating formulation includes an aqueous-based suspension of particles. The particles have a sheet-like morphology and a thickness of less than about 10 nm. The coating also includes a polysiloxane or silane emulsion, a polysiloxane or silane solution, or a combination thereof.

Abstract: An optical device includes a substrate having a surface, a peripheral edge, an area of vision, and a boundary portion of the surface between the peripheral edge and the area of vision. At least a portion of the boundary portion is textured. A coating is applied to the surface of the substrate over the area of vision and the textured boundary portion. In some embodiments, the substrate is comprised of a polymeric material and the coating is comprised of multiple layers of dielectric material and the substrate is textured such that the textured portion increases adhesion and the durability of the dielectric coating.

Abstract: An optical element, notably an optical element for creating a retractable sheet for use in a motor vehicle, has in the final state a three-dimensional shape resulting from forming of the optical element, the optical element being designed to have an extended shape comprising: a first main surface, a second main surface, and an edge surface. A method of manufacturing involves during a first step of the method, forming the optical element to give its final three-dimensional shape in terms of the first main surface, the second main surface and the edge surface. During a second step at least one of the surfaces of the optical element is cleaned. During a third step, a functional coating is applied to the first main surface and/or the second main surface.

Abstract: This disclosure provides systems, methods and apparatus for modulating light to form an image on a display, as well as methods manufacturing such apparatus. The display apparatus includes dual-level shutter assemblies. Each dual-level shutter assembly includes front and rear light obstructing levels positioned adjacent to respective front and rear light blocking layers. The front and rear light blocking layers define apertures providing optical paths from a backlight to the front of the display. The dual-level shutters selectively obstruct these optical paths to generate an image.

Abstract: Certain example embodiments involve the production of a broadband and at least quasi-omnidirectional antireflective (AR) coating. The concept underlying certain example embodiments is based on well-established and applied mathematical tools, and involves the creation of nanostructures that facilitate these and/or other features. Finite element (FDTD) simulations are performed to validate the concept and develop design guidelines for the nanostructures, e.g., with a view towards improving visible transmission. Certain example embodiments provide such structures on or in glass, and other materials (e.g., semiconductor materials that are used to convert light or EM waves to electricity) alternatively or additionally may have such structures formed directly or indirectly thereon.