The present invention relates to a polyvinyl acetal resin film, comprising a polyvinyl acetal resin material, wherein the polyvinyl acetal resin film has a thickness of 5 to 350 μm, and satisfies the following Formulae (1) and (2) where, comparing one surface and the other surface, a mean value of the 10-point average roughness of a rougher surface A and a mean value of the 10-point average roughness of a smoother surface B are defined as Rz1(a) μm and Rz2(a) μm, respectively:
Rz1(a)>1.1×Rz2(a)  (1)
3>Rz2(a)  (2), a value obtained by dividing the standard deviation of the 10-point average roughness of the surface A by Rz1(a) and a value obtained by dividing the standard deviation of the 10-point average roughness of the surface B by Rz2(a) are each 0 to 0.30, a viscosity of a toluene/ethanol (1:1, mass ratio) solution containing 10%-by-mass of a polyvinyl acetal resin contained in the polyvinyl acetal resin material, which is measured at 20° C. and 30 rpm using a Brookfield-type (B-type) viscometer, is 100 to 1,000 mPa.Math.s, and the amount of a plasticizer in the polyvinyl acetal resin film is 0 to 20% by mass based on a total mass of the polyvinyl acetal resin film.

The present disclosure is directed to articles such as bladders comprising mechano-luminescent materials which emit light when the mechano-luminescent materials are placed under stress. The present disclosure is also directed to articles including these bladders, methods of forming these bladders, and methods of making articles including these bladders.

A security device includes an array of lenses and a plurality of first and second segments disposed under the array of lenses. At a first viewing angle, the array of lenses presents a first image for viewing without presenting the second image for viewing, and at a second viewing angle different from the first viewing angle, the array of lenses presents for viewing the second image without presenting the first image for viewing. At least one first or second segment can include one or more microstructures or one or more nanostructures configured to produce one or more colors for the first or second image.

Disclosed is an electronic device that includes a first plate that forms a first surface of the electronic device through which contents are output, a second plate that forms a second surface facing away from the first surface, and a side member that surrounds a space between the first plate and the second plate. The second plate includes a UV curable resin layer including a fine pattern that implements an interference effect and a prism effect of light and a metal nanoparticle layer printed on the fine pattern so as to have a specific orientation. Besides, it may be permissible to prepare various other embodiments speculated through the specification.

A method of and system for adhesive bonding by a) providing a polymerizable adhesive composition on a surface of an element to be bonded to form an assembly; b) irradiating the assembly with radiation at a first wavelength capable of vulcanization of bonds in the polymerizable adhesive composition by activation of sulfur-containing compound with at least one selected from x-ray, e-beam, visible, or infrared light to thereby generate ultraviolet light in the polymerizable adhesive composition; and c) adhesively joining two or more components together by way of the polymerizable adhesive composition, and a curable polymer for use therein.

To provide a quantum dot-containing resin sheet or film, a method for producing the same, and a wavelength conversion member that can, in particular, solve the problem of aggregation of the quantum dots and the problem with the use of a scattering agent, suppress a decrease in light conversion efficiency, and improve the light conversion efficiency of a resin molded product containing quantum dots. The quantum dot-containing resin sheet or film of the present invention includes a stack of a plurality of resin layers, at least one of the resin layers containing quantum dots, and the plurality of resin layers is integrally molded through co-extrusion.

The invention relates to a multi-layered packaging foil comprising a layer L-1 having an oxygen gas transmission rate OGTR-1; a luminescent compound having the property that its luminescence is capable of being quenched by oxygen; and a layer L-2 adhering to L-1 and to the luminescent compound. The layer L-2 has an oxygen gas transmission rate OGTR-2 that is at least 20 times higher than OGTR-1, and the luminescent compound is present between L-1 and L-2. The invention further relates to a packaging comprising a packaging foil of the invention and to a method for measuring the oxygen content in a packaging.

A method of and system for adhesive bonding by a) providing a polymerizable adhesive composition on a surface of an element to be bonded to form an assembly; b) irradiating the assembly with radiation at a first wavelength capable of vulcanization of bonds in the polymerizable adhesive composition by activation of sulfur-containing compound with at least one selected from x-ray, e-beam, visible, or infrared light to thereby generate ultraviolet light in the polymerizable adhesive composition; and c) adhesively joining two or more components together by way of the polymerizable adhesive composition, and a curable polymer for use therein.

A decorative film that can handle various adherend shapes and application methods and has a visual effect that changes according to viewing angle. The decorative film of one embodiment includes a substrate layer, a photoluminescent layer that is adjacent to the substrate layer and has an unevenly-shaped surface, a transparent resin layer adjacent to the photoluminescent layer, and an outermost layer. A storage elastic modulus of at least the substrate layer or the transparent resin layer is 1×10.sup.6 Pa to 1.5×10.sup.8 Pa in a temperature range of 100° C. to 150° C. when measured under conditions of a frequency of 10 Hz and a shearing mode.

The present specification relates to a novel compound, and a color conversion film, a backlight unit, and a display device, comprising the same.