Abstract: Provided is an optical laminate used for a viewing angle control system, and an image display device, including a light absorption anisotropic layer formed of a liquid crystal composition containing a liquid crystal compound and a dichroic substance, a first adjacent layer in contact with one surface of the light absorption anisotropic layer, and a second adjacent layer in contact with a surface of the light absorption anisotropic layer opposite to the one surface, in which a content of the dichroic substance is 7.0% by mass or greater, an angle ?s between a transmittance central axis of the light absorption anisotropic layer and a surface of the light absorption anisotropic layer in a normal direction is in a range of 5° to 60°, and both refractive indices n1 and n2 of the first and second adjacent layers, respectively, are in a range of 1.46 to 1.72.

Abstract: Ligand-capped scattering nanoparticles, curable ink compositions containing the ligand-capped scattering nanoparticles, and methods of forming films from the ink compositions are provided. Also provided are cured films formed by curing the ink compositions and photonic devices incorporating the films. The ligands bound to the inorganic scattering nanoparticles include a head group and a tail group. The head group includes a polyamine chain and binds the ligands to the nanoparticle surface. The tail group includes a polyalkylene oxide chain.

Abstract: A first layer of anisotropic material extends along a first plane and includes anisotropic components being parallel to a second plane non-parallel and non-perpendicular to the first plane. The anisotropic components are arranged in cycloidal or helical patterns. The cycloidal or helical patterns define one or more Bragg planes that are non-parallel and non-perpendicular to the first plane and either substantially parallel or substantially perpendicular to the second plane.

Abstract: An object of the invention is to provide an anisotropic light absorption film having both a high alignment degree and high light resistance, and a laminate provided using the anisotropic light absorption film. An anisotropic light absorption film according to the embodiment of the invention is formed from a composition having a first dichroic azo dye, a second dichroic azo dye, and a compound represented by Formula (I) or a polymer thereof, the first dichroic azo dye has a solution absorption maximum wavelength of 400 nm or greater and less than 550 nm, the second dichroic azo dye has a solution absorption maximum wavelength of 550 nm or greater and 750 nm or less, and the film has an arrangement structure of the first dichroic azo dye or an arrangement structure of the second dichroic azo dye therein.

Abstract: A birefringence film is provided with a plurality of birefringence layers including a hybrid-aligned liquid crystalline polymer. The plurality of birefringence layers is stacked in a state in which the alignment directions of the liquid crystal polymer are identical, and the rising directions of the tilt angle of the liquid crystal polymer are identical.

Abstract: The present invention has an object to provide a polymerizable liquid crystal compound used for formation of an optically anisotropic film having excellent reciprocal wavelength dispersion and moisture-heat resistance, a polymerizable liquid crystal composition, an optically anisotropic film, an optical film, a polarizing plate, and an image display device. The polymerizable liquid crystal compound of the present invention is a polymerizable liquid crystal compound represented by Formula (1), in which a Clog P value of a group represented by Ar in Formula (1) is 4.3 or more and less than 7.0.

Abstract: A solvent free-type photocurable resin composition for a polarizing plate protective layer includes an acryl-based prepolymer comprising a (meth)acrylate-based monomer as a polymerization unit; and an isocyanate-based crosslinking agent, wherein the acryl-based prepolymer is in a partially polymerized state, and viscosity at 25° C. is greater than or equal to 50 cPs and less than or equal to 300 cPs. A polarizing plate including the solvent free-type photocurable resin composition, and an image display device including the polarizing plate is also provided.

Abstract: A backlight unit and a display device including the backlight unit is disclosed The backlight unit includes a light source protective element located on light sources, a base film located on the light source protective element, and a plurality of optical path control patterns, each of which is located to overlap a corresponding one of the light sources, that are disposed on at least one of both surfaces of the base film and configured to direct traveling paths of at least some of incident light rays, the optical path control patterns including an acrylic-based resin or a polyester-based resin and at least one type of inorganic particles dispersed in the resins, thereby enabling a thickness of the backlight unit to be reduced and image quality to improve.

Abstract: A transmissive liquid crystal diffraction element includes a rod-like liquid crystal layer where a rod-like liquid crystal compound is aligned and a disk-like liquid crystal layer where a disk-like liquid crystal compound is aligned that are alternately laminated, in which each of the liquid crystal layers has a predetermined liquid crystal alignment pattern, rotation directions of optical axes in the liquid crystal alignment patterns are the same, single periods of the liquid crystal alignment patterns are the same, a thickness direction retardation |Rth| of each of the liquid crystal layers is 65 nm or less, and at an interface between the liquid crystal layers, longitudinal directions of the liquid crystal compounds match with each other.

Abstract: A stretchable reflective color-shifting film comprises a stretchable transparent polymer layer; a semi-transmissive metal layer; a transparent spacer layer; a reflective metal layer; an adhesive layer; and a stretchable base film layer. When the film body is stretched by 25%, the peak total reflectance stretched is at 80% of the peak total reflectance when the film body is unstretched according to the Total Reflectivity Test.

Abstract: The invention relates to an item comprising a substrate having at least one main surface coated with a multilayer interferential coating comprising at least one layer with a refractive index higher than 1.65 and at least one layer with a refractive index lower than, or equal to, 1.65, at least one of the layers of the interferential coating being an organic-inorganic layer that has been deposited in a vacuum environment and has a thickness of at least 30 nm, said interferential coating having a thickness of at least 450 nm and/or at least 8 layers.

Abstract: Methods for colloidal particle manipulation mediated by an elastic fluid responsive to changes in boundary conditions, including methods of controlling motion of colloidal particles using wavy wall boundary conditions. Methods for driving transitions in topological defect configurations of colloidal particles using wavy wall boundary conditions.

Abstract: The present invention provides a thermally conductive material having excellent thermal conductivity. Furthermore, the present invention provides a device with a thermally conductive layer that has a thermally conductive layer containing the thermally conductive material and a composition for forming a thermally conductive material that is used for forming the thermally conductive material. The thermally conductive material according to an embodiment of the present invention contains a cured substance of a disk-like compound, which has one or more reactive functional groups selected from the group consisting of a hydroxyl group, a carboxylic acid group, a carboxylic acid anhydride group, an amino group, a cyanate ester group, and a thiol group, and a crosslinking compound which has a group reacting with the reactive functional groups.

Abstract: Ligand-capped scattering nanoparticles, curable ink compositions containing the ligand-capped scattering nanoparticles, and methods of forming films from the ink compositions are provided. Also provided are cured films formed by curing the ink compositions and photonic devices incorporating the films. The ligands bound to the inorganic scattering nanoparticles include a head group and a tail group. The head group includes a polyamine chain and binds the ligands to the nanoparticle surface. The tail group includes a polyalkylene oxide chain.

Abstract: An object of the present invention is to provide an optical device that can accomplish both the effect of preventing external light reflection and the improvement of utilization efficiency of light emitted from an organic electroluminescent element. The object is achieved by an optical device having an organic electroluminescent substrate, a circularly polarized light-separating layer separating light into right-handed circularly polarized light and left-handed circularly polarized light, a ?/4 plate, and a polarizer, wherein the circularly polarized light-separating layer has a liquid crystal alignment pattern in which a liquid crystal compound is twisted and aligned along a helical axis extending in a thickness direction and the direction of an optical axis derived from the liquid crystal compound changes while continuously rotating in one direction in the plane.

Abstract: The present invention provides a compound by which high refractive index anisotropy ?n and inhibition of colorability can be compatible. The present invention further provides a composition including the above-mentioned compound, a cured object, an optically anisotropic body, and a reflective film. The compound of the present invention is represented by General Formula (1).

Abstract: The present invention is a liquid crystal display device including a pair of substrates, a liquid crystal layer which is sandwiched between the pair of substrates and contains a liquid crystal material, and an alignment layer which is in contact with the liquid crystal layer. In this liquid crystal display device, at least one of the pair of substrates has a retardation layer on a side toward the liquid crystal layer, the alignment layer aligns a liquid crystal compound in the liquid crystal material, the retardation layer contains a polymer formed by polymerization of at least one monomer, and the at least one monomer includes a specific monomer.

Abstract: A first object of the present invention is to provide a liquid crystal composition capable of forming a reflective layer having excellent diffuse reflectivity. A second object of the present invention is to provide a method for producing a reflective layer having excellent diffuse reflectivity and a reflective layer having excellent diffuse reflectivity. A third object of the present invention is to provide a cured product and an optically anisotropic body, each of which is formed of the liquid crystal composition.

Abstract: To provide an optical film having excellent visibility in a wide angle direction. An optical film including at least one resin selected from the group consisting of a polyimide-based resin and a polyamide-based resin and having a total light transmittance of 85% or more and a haze of 0.5% or less, wherein when a direction parallel to a machine direction in a plane of the optical film during production of the optical film is defined as an MD direction and a direction vertical to the machine direction is defined as a TD direction, a first transmission image clarity value C60(MD) in a direction inclined 60° in the MD direction from a vertical direction to the plane of the optical film, a second transmission image clarity value C60(TD) in a direction inclined 60° in the TD direction from the vertical direction, and a third transmission image clarity value C0 of the vertical direction which are obtained when a width of an optical comb is 0.

Abstract: An object of the present invention is to provide a structure having a reflective layer that has satisfactory transparency and diffuse reflectivity and is also capable of reducing the occurrence of glare, and a method for forming the reflective layer. The object of the present invention is achieved by a structure including a substrate and a reflective layer formed by immobilizing a cholesteric liquid crystalline phase, in which, upon observing a cross section of the reflective layer by a scanning electron microscope, lines formed by bright portions and lines formed by dark portions derived from the cholesteric liquid crystalline phase have a wave-like structure or are inclined with respect to the surface of the substrate, and at least a part of the lines formed by the bright portions and the lines formed by the dark portions are discontinuous.

Abstract: A privacy display comprises a spatial light modulator and a compensated switchable liquid crystal retarder arranged between first and second polarisers arranged in series with the spatial light modulator. In a privacy mode of operation, on-axis light from the spatial light modulator is directed without loss, whereas off-axis light has reduced luminance. The visibility of the display to off-axis snoopers is reduced by means of luminance reduction over a wide polar field. In a wide angle mode of operation, the switchable liquid crystal retardance is adjusted so that off-axis luminance is substantially unmodified.

Abstract: The present invention relates to an antireflection film which includes a hard coating layer and a low refractive index layer formed on the hard coating layer, wherein a roughness skewness (Rsk) of the concavo-convex shape of the surface is greater than 0.5 and less than 5, and a slope angle of the concavo-convex shape of the surface is greater than 0.01 degree and less than 0.2 degree, and a display device comprising the antireflection film.

Abstract: A privacy display comprises a spatial light modulator and a compensated switchable liquid crystal retarder arranged between first and second polarisers arranged in series with the spatial light modulator. In a privacy mode of operation, on-axis light from the spatial light modulator is directed without loss, whereas off-axis light has reduced luminance. The visibility of the display to off-axis snoopers is reduced by means of luminance reduction over a wide polar field. In a wide angle mode of operation, the switchable liquid crystal retardance is adjusted so that off-axis luminance is substantially unmodified.

Abstract: A touch electrode structure and a touch display device are provided. The touch electrode structure includes a base substrate, and a plurality of touch driving electrodes and a plurality of touch sensing electrodes which are disposed on the base substrate. The touch driving electrodes and the touch sensing electrodes are disposed in the same layer of the base substrate and are insulated from each other, at least one of each of the touch driving electrodes and each of the touch sensing electrodes includes a metal mesh structure, the metal mesh structure includes a plurality of irregular polygonal metal frames.

Abstract: To provide a manufacturing method of a phase difference element which is superior in moisture resistance. After forming an optically anisotropic layer by way of oblique vapor deposition on a substrate, the optically anisotropic layer is covered by a protective layer made by depositing an inorganic compound by way of an atomic layer deposition method. More specifically, established is a manufacturing method of a phase difference element containing a transparent substrate, optically anisotropic layer containing a birefringent film and a protective layer, the method including: an optically anisotropic layer formation step of forming an optically anisotropic layer by forming a birefringent film by way of oblique vapor deposition; and a protective layer formation step of forming a protective layer by depositing an inorganic compound by way of an atomic layer deposition method.

Abstract: The object is to provide a display device with a superior viewing angle. The display device includes a display portion, a liquid-crystal barrier portion, first to third polarizing layers, and at least one viewing-angle compensation layer. The liquid-crystal barrier portion is disposed on one side of the display portion, and adjusts an intensity of light of the display portion. The first polarizing layer is disposed opposite to the liquid-crystal barrier portion relative to the display portion. The second polarizing layer is interposed between the display portion and the liquid-crystal barrier portion. The third polarizing layer is disposed opposite to the display portion relative to the liquid-crystal barrier portion. The viewing-angle compensation layer is interposed between the liquid-crystal barrier portion and the third polarizing layer, and no viewing-angle compensation layer is interposed between the second polarizing layer and the liquid-crystal barrier portion.

Abstract: A retardation film including a stacked structure including 2m tilt +C plates with m as a positive integer and a +A plate disposed over the 2m tilt +C plates. Each of the 2m tilt +C plates includes a liquid crystal layer. The liquid crystal layer includes a material satisfying nx?ny<nz, wherein a longitudinal direction axis of the retardation film is an X-axis, a width direction axis of the retardation film substantially perpendicular to the X-axis is a Y-axis, a thickness direction axis of the retardation film substantially perpendicular to the X-axis and the Y-axis is a Z-axis, and refractive indexes of the X-axis, the Y-axis, and the Z-axis respectively correspond to nx, ny, and nz.

Abstract: An optical member includes a reflection-scattering unit that reflects and scatters light having a wavelength band which corresponds to at least a portion of a visible wavelength range, and transmits light having a wavelength band which corresponds to at least a portion of an infrared region, wherein rectilinear transmittance for the light having the wavelength band which corresponds to at least the portion of the infrared region is equal to or greater than 75%.

Abstract: There is provided a transparent substrate with an antifouling film that, when used as a cover member with an antifouling film of an electrostatic in-cell touch panel-type liquid crystal device, can reduce the whitening of a liquid crystal screen while fully maintaining an antifouling property and touch sensitivity. The transparent substrate with an antifouling film includes: a transparent substrate; and an antifouling film provided as an outermost layer on one main surface of the transparent substrate, wherein a surface shape of the antifouling film is a rugged shape whose arithmetic mean roughness Ra is 0.01 ?m or more, and surface resistivity measured on the surface of the antifouling film is 1.0×109 to 1.0×1013?/.

Abstract: A quantum dot composition comprising a quantum dot, a metal thiolate complex compound, and a solvent, wherein the metal thiolate complex compound includes a hydrophobic moiety, a thioether moiety (—S—), and a polyvalent metal, and wherein the hydrophobic moiety includes a fluorinated organic group, a multi-aromatic ring-containing group having a backbone structure that includes a quaternary carbon atom, which is a part of a cyclic group, and two aromatic rings bound to the quaternary carbon atom, or a combination thereof.

Abstract: Provided are a polarizing film imaging apparatus, a polarizing film inspection apparatus including the imaging apparatus, and a polarizing film inspection method using the imaging apparatus. The imaging apparatus includes: a light source that is configured to emit light toward a polarizing film to be inspected; an imaging unit that is arranged on an optical axis of the light source and on an opposite side to the light source with the polarizing film therebetween; and at least one of a circular polarizing plate arranged between the light source and the polarizing film, and a wavelength plate arranged between the polarizing film and the imaging unit.

Abstract: According to the present invention, there are provided a film forming composition, which contains a polymer having a repeating unit represented by General Formula (I) and a curable compound, an optical film having a film formed of the composition, a hardcoat film, a polarizing plate, and a method for manufacturing a hydrophilized hardcoat film. In General Formula (I), R1 represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, L represents an ester bond, an ether bond, a phenylene group, or an amide bond, R2 and R4 each independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 20 carbon atoms, or a halogenated alkyl group having 1 to 20 carbon atoms, and R3 represents a hydrogen atom or a substituent.

Abstract: The present invention relates to a plasticizer composition, a resin composition, and preparation methods therefor, and can provide: a plasticizer capable of improving physical properties such as plasticizing efficiency, migration, tensile strength, elongation, stress migration and light resistance, which are required in sheet formulation, when used as a plasticizer of a resin composition by improving inferior physical properties generated because of structural limitations; and a resin composition containing the same.

Abstract: A methacrylic resin composition containing 10 to 99 parts by mass of a methacrylic resin (A) containing 80% by mass or more of a methyl methacrylate unit, and 90 to 1 part by mass of a block copolymer (B) containing 10 to 60% by mass of a methacrylic acid ester polymer block (b1) and 90 to 40% by mass of an acrylic acid ester polymer block (b2), where the total of the methacrylic resin (A) and the block copolymer (B) is 100 parts by mass, where a weight-average molecular weight Mw(A) of the methacrylic resin (A), a maximum weight-average molecular weight Mw(b1) of the methacrylic acid ester polymer block (b1) and a maximum weight-average molecular weight Mw(b2) of the acrylic acid ester polymer block (b2) satisfy (1): 0.5?Mw(A)/Mw(b1)?2.5 and (2): 40000?Mw(b2)?120000.

Abstract: A polarizing light emitting plate includes a polarizing layer having a polarizing axis substantially parallel to a first direction, a quantum rod layer including quantum rods aligned in the first direction, and an attachment layer between the polarizing layer and the quantum rod layer and comprising an adhesive material.

Abstract: A film sensor member for disposing on a visually recognizing side of a linear polarizer in an image display device including the linear polarizer, the member including a transparent electroconductive layer, a ?/4 plate, and a ?/2 plate in this order from the visually recognizing side, wherein the ?/4 plate is formed of a first thermoplastic resin containing an amorphous polymer having a glass transition temperature of 150° C. or higher or a crystallizable polymer having a melting point of 250° C. or higher, the ?/2 plate includes, in this order, a first outer layer formed of a second thermoplastic resin, an intermediate layer formed of a third thermoplastic resin containing an ultraviolet absorber, and a second outer layer formed of a fourth thermoplastic resin, and the ?/2 plate has an NZ factor of 1.1 to 3.0.

Abstract: The present disclosure relates to the field of display technologies, and discloses a display device for reducing a thickness of the display device, so as to obtain a thinner display device and simplify the manufacture process. The display device includes a first substrate and a second substrate arranged oppositely; as well as a plurality of color control light-emitting units, a wire grid polarizer and a plurality of transmittance adjustment pixel units arranged sequentially from an inner side of the first substrate towards an inner side of the second substrate.

Abstract: An optical film includes a polarizer and a protection film disposed the polarizer and including a polymer having a glass transition temperature of greater than about 100° C., where the polymer is a terpolymer consisting of: a first structural unit derived from styrene or a styrene derivative; a second structural unit derived from maleimide, maleic anhydride, acrylonitrile, a derivative thereof or a combination thereof; and a third structural unit derived from (meth)acrylate or a derivative thereof.

Abstract: The present invention relates to an optical component having a crosslinked anti-fog coating obtainable by covalent attachment of a silane derivative of the formula (2) to the surface of the optical component and crosslinking of adjacent molecules: RoXmSiBn??(2) wherein m=1 to 3, n=1 or 2 and o=0 or 1, with the proviso that m+n+o=4; the radical X is selected from halogen or C1-4-alkoxy, and for m=2 or 3 the individual radicals X may be identical or different, the radical R is C1-4-alkyl, the radical B has the structure -B1-B2, in which -B2 is a terminal hydrophilic group which is crosslinked to at least one hydrophilic group of an adjacent molecule of the anti-fog coat, and -B1- represents either a spacer group, which joins the hydrophilic group B2 to the Si atom, or a covalent bond, where the terminal hydrophilic group -B2 is poly(meth)acrylate, and for n=2 the individual radicals B may be identical or different.

Abstract: A method for manufacturing an optical member includes a step of applying a dispersion liquid containing particles and a dispersion medium on a substrate, a step of applying a solution containing a component to form a binder after the step of applying the dispersion liquid, and causing the solution to permeate a portion between the particles contained in the dispersion liquid applied in advance to form a single layer in which the portion between the particles is filled with the binder, and a step of drying the layer to prepare an antireflection film. The solution contains a silane-alkoxy condensate having an average particle diameter of 8 nm or more and 60 nm or less, and the solution contains a solvent having solubility of water of 10% by weight or less in an amount of 70% by mass or more.

Abstract: A head up display device mounted in a moving body uses a source light to project an image onto a projection member to display a virtual image so that the image is visible to a passenger, the projection member including a first transparent plate that maintains polarization state and has a first surface facing the passenger, a second transparent plate that maintains polarization state and has a second surface opposite to the first surface, and a waveplate interposed between the first and seconds transparent plates and including a fast axis and a slow axis that delays phase with respect to the fast axis, wherein the source light is emitted toward the first surface obliquely along a plane of incidence, the source light including an s-polarization component and a p-polarization component, and the slow axis of the waveplate is inclined with respect to the plane of incidence.

Abstract: For use in a method for producing a transparent conductive film having an ITO transparent electrode layer, a roll-to-roll sputtering apparatus includes at least three deposition chambers adjacent to a deposition roll. While a transparent film substrate is conveyed on the deposition roll, a base conductive layer is formed by sputtering deposition in one or more deposition chambers, and a main conductive layer is formed thereon by successive sputtering deposition in two or more film deposition chambers. The applied power in the deposition chambers where the underlying conductive layer is formed is 5% to 20% of the total of the applied power in each the deposition chamber where the underlying or main conductive layer is formed. In formation of the main conductive layer, the applied power in the deposition chamber where the ITO thin film is first deposited is less than the applied power in the next deposition chamber.

Abstract: The present invention provides a light polarization film capable of suppressing a decrease in light emission efficiency even when the film is continuously irradiated with light and suppressing a change in degree of polarization even under a wet heat environment, a method for manufacturing the same, a laminate, and a method for manufacturing the same. The light polarization film of the present invention includes a polymer, and quantum rods, in which the quantum rods are aligned such that a major axis of each of the quantum rods is parallel to one direction parallel to a surface of the light polarization film, a moisture content is 1.0% or less, and an oxygen permeability coefficient is 200 cc·20 ?m/m2·day·atm or less.

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: The present invention addresses the problem of providing a high-transparency polyimide film in which the thickness-direction phase difference Rth is kept within a predetermined range. The present invention also addresses the problem of providing a polyamic acid and a varnish used to obtain the polyimide film. In order to overcome the aforementioned problem, the present invention is a polyimide film containing a polyimide obtained by bringing about a reaction between a tetracarboxylic dianhydride and a diamine, the polyimide film having (a) a thickness-direction phase difference Rth of ?5 to 100 nm per 10 ?m of thickness, (b) a transmittance of 80% or more with respect to light having a wavelength of 400 nm, (c) a haze of 3% or less, and (d) a glass transition point of 250° C. or higher.

Abstract: Certain patternable reflective films are used as masks to make other patterned articles, and one or more initial masks can be used to pattern the patternable reflective films. An exemplary patternable reflective film has an absorption characteristic suitable to, upon exposure to a radiant beam, absorptively heat a portion of the film by an amount sufficient to change a first reflective characteristic to a different second reflective characteristic. The change from the first to the second reflective characteristic is attributable to a change in birefringence of one or more layers or materials of the patternable film. In a related article, a mask is attached to such a patternable reflective film. The mask may have opaque portions and light-transmissive portions. Further, the mask may have light-transmissive portions with structures such as focusing elements and/or prismatic elements.

Abstract: A methacrylic resin composition containing 10 to 99 parts by mass of a methacrylic resin (A) containing 80% by mass or more of a methyl methacrylate unit, and 90 to 1 part by mass of a block copolymer (B) containing 10 to 60% by mass of a methacrylic acid ester polymer block (b1) and 90 to 40% by mass of an acrylic acid ester polymer block (b2), where the total of the methacrylic resin (A) and the block copolymer (B) is 100 parts by mass, where a weight-average molecular weight Mw(A) of the methacrylic resin (A), a maximum weight-average molecular weight Mw(b1) of the methacrylic acid ester polymer block (b1) and a maximum weight-average molecular weight Mw(b2) of the acrylic acid ester polymer block (b2) satisfy (1): 0.5?Mw(A)/Mw(b1)?2.5 and (2): 40000?Mw(b2)?120000.

Abstract: An adhesive film for polarizing plates includes a (meth)acrylic copolymer obtained by polymerizing about 15 wt % to about 30 wt % of a (meth)acrylic monomer having a hetero-alicyclic ring. The adhesive film has a storage modulus (G?) of about 30 kPa or greater as determined from Frequency sweep testing at 85° C. by oscillation at an angular speed of 10?3 rad/s to 102 rad/s. An adhesive composition for the same, a polarizing plate including the same, and an optical display device including the same are also disclosed.

Abstract: An embodiment of a solid optical sky-sun diffuser, which comprises a transparent solid matrix embedding a dispersion of transparent nanoparticles having an average size d in the range 10 nm?d?240 nm; wherein: the ratio between the blue and red scattering optical densities ??Log [T(450 nm)]/Log [T(630 nm)] of said diffuser falls in the range 5???2.5, where T(?) is the Monochromatic Normalized Collinear Transmittance; in at least one propagation direction, said Monochromatic Normalized Collinear Transmittance is T(450 nm)?0.4; in at least one propagation direction said Monochromatic Normalized Collinear Transmittance is T(450 nm)?0.9, said propagation direction being the same or different from that at which said Monochromatic Normalized Collinear Transmittance is T(450 mm)?0.4.

Abstract: An embodiment of a solid optical sky-sun diffuser, which comprises a transparent solid matrix embedding a dispersion of transparent nanoparticles having an average size d in the range 10 nm?d?240 nm; wherein: the ratio between the blue and red scattering optical densities ??Log [T(450 nm)]/Log [T(630 nm)] of said diffuser falls in the range 5???2.5, where T(?) is the Monochromatic Normalized Collinear Transmittance; in at least one propagation direction, said Monochromatic Normalized Collinear Transmittance is T(450 nm)?0.4; in at least one propagation direction said Monochromatic Normalized Collinear Transmittance is T(450 nm)?0.9, said propagation direction being the same or different from that at which said Monochromatic Normalized Collinear Transmittance is T(450 mm)?0.4.