Abstract: An interlayer film structure (11) is used with being sandwiched between two transparent panels (12) and (13), and comprises a first light-modulating film (21) capable of switching between light transmission and light scattering, and a second light-modulating film (22) capable of adjusting a visible light transmittance, and the first and second light-modulating films (21) and (22) are arranged in a thickness direction.

Abstract: The present invention aims to provide a luminescent curved glass which, despite being curved with a small radius of curvature, can provide a clear display on its entire surface when irradiated with light, and curved digital signage including the luminescent curved glass. Provided is a luminescent curved glass including a laminate including a transparent plate having a radius of curvature of 3,000 mm or lower and a luminescent sheet, the luminescent sheet containing a thermoplastic resin and a luminescent material that emits visible light having a wavelength of 380 to 750 nm under excitation light.

Abstract: An interlayer film (10) for laminated glass comprises an optical function layer (15) and a first thermoplastic resin layer (11) provided on one surface (15A) side of the optical function layer (15). The optical function layer (15) comprises a matrix polymer, a polymer of a photoreactive monomer, and a photopolymerization initiator. The first thermoplastic resin layer (11) comprises an ultraviolet ray absorber and has a transmittance at a wavelength of 400 nm of 20% or less.

Abstract: The light emitting structure of the present invention includes a sheet-shaped structure which absorbs excitation light and emits light with wavelength conversion and which has a maximum emission wavelength of 400 nm or more; and an antireflection material provided on a side surface of the sheet-shaped structure.

Abstract: There is provided an interlayer film for laminated glass with which laminated glass having a gradation pattern with suppressed color irregularity can be prepared.

Abstract: Provided is an interlayer film for laminated glass which produces a high contrast image under light radiation, is less susceptible to color changes, and allows for control of the adhesion, as well as a laminated glass including the interlayer film. The interlayer film includes a light emitting layer containing a polyvinyl acetal, a light emitting material having a terephthalic acid ester structure, and a potassium salt.

Abstract: Provided is an interlayer film for laminated glass that is excellent in unity of appearance. An interlayer film for laminated glass according to the present invention has a first colored part including a part located on one end side of the interlayer film, and a second colored part including a part located on the other end side of the interlayer film, the first colored part has a first gradation part where visible light transmittance increases from the one end side toward the other end side of the interlayer film, the first gradation part forms a tip of the first colored part on the other end side of the interlayer film, the second colored part has a second gradation part where visible light transmittance increases from the other end side toward the one end side of the interlayer film, the second gradation part forms a tip of the second colored part on the one end side of the interlayer film, and the first gradation part and the second gradation part exist in a specific positional relationship.

Abstract: There is provided an interlayer film for laminated glass with which protrusion of an interlayer film portion in the TD direction can be suppressed at the time of producing laminated glass. In the interlayer film for laminated glass according to the present invention, when, in the MD direction of the interlayer film, a birefringence index of the first surface part, a birefringence index of the second surface part, and a birefringence index of the center part are defined as ?nMDA, ?nMDB, and ?nMDC, respectively, ?nMDA, ?nMDB, and ?nMDC each are 0.25×10?3 or less.

Abstract: The present invention aims to provide a luminescent sheet capable of displaying high-luminance images under irradiation with light and capable of controlling the adhesion to glass, and an interlayer film for a laminated glass and a laminated glass each including the luminescent sheet. Provided is a luminescent sheet including: a thermoplastic resin; a luminescent material; and a cyclic coordination metal compound having a five- or more-membered ring structure formed by coordinating an organic compound having in a molecule two or more atoms of at least one kind selected from oxygen, phosphor, nitrogen, and sulfur, to at least one metal selected from an alkali metal, an alkaline earth metal, and magnesium.

Abstract: The present invention aims to provide a colored luminescent sheet that enables production of a colored glass providing better aesthetic appearance, and a colored luminescent glass including the colored luminescent sheet. Provided is a colored luminescent sheet including: a thermoplastic resin; a colorant; and a luminescent material that emits visible light having a wavelength of 380 to 750 nm under excitation light.

Abstract: The present invention provides a solar cell system for generating electricity by absorbing sunlight, comprising a sheet-shaped structure comprising a wavelength conversion material and a power generation cell disposed in a peripheral area of the sheet-shaped structure, wherein the wavelength conversion material has an average particle diameter of 10 to 400 nm and a maximum emission wavelength of 500 nm or more. The present invention also provides a sheet-shaped structure used for a solar cell system, comprising a wavelength conversion material having an average particle diameter of 10 to 400 nm and a maximum emission wavelength of 500 nm or more.

Abstract: A solar cell system for generating electricity by absorbing sunlight, comprising a laminated structure and a power generation cell disposed in a peripheral area of the laminated structure, wherein, in the laminated structure, a transparent sheet member comprising a wavelength conversion material and a first transparent sheet are laminated, a maximum emission wavelength of the wavelength conversion material is 780 nm or more, and a refractive index na1 of the first transparent sheet is higher than a refractive index nb of the transparent sheet member. According to the present invention, can provide a solar cell system including a power generation cell and a transparent layer capable of efficiently guiding light to a side surface, wherein, inside the transparent layer, light having been incident on a surface of the transparent layer is converted into light with a long wavelength, such as near infrared radiation.

Abstract: The light emitting structure of the present invention includes a sheet-shaped structure which absorbs excitation light and emits light with wavelength conversion and which has a maximum emission wavelength of 400 nm or more; and an antireflection material provided on a side surface of the sheet-shaped structure.

Abstract: The laminated structure of the present invention includes a sheet-shaped member and first and second transparent sheets provided on both sides, respectively, of the sheet-shaped member, wherein the sheet-shaped member absorbs excitation light and emits light with wavelength conversion, and has a maximum emission wavelength of 500 nm or more, and a reflectance that is measured for the laminated structure at the maximum emission wavelength is 30% or more.

Abstract: A display apparatus includes laminated glass comprising an interlayer film laminated between a pair of glass plates; and an irradiation device irradiating the laminated glass with light rays, wherein the interlayer film comprises a thermoplastic resin and a luminescent material, wherein an output of the light rays radiated from the irradiation device is equal to or less than 1 mW, and wherein the laminated glass emits light at a luminance of equal to or greater than 1 cd/m2 when being irradiated with the light rays.

Abstract: The present invention aims to provide a colored luminescent sheet that enables production of a colored glass providing better aesthetic appearance, and a colored luminescent glass including the colored luminescent sheet. Provided is a colored luminescent sheet including: a thermoplastic resin; a colorant; and a luminescent material that emits visible light having a wavelength of 380 to 750 nm under excitation light.

Abstract: A display apparatus includes laminated glass comprising an interlayer film laminated between a pair of glass plates; and an irradiation device irradiating the laminated glass with light rays, wherein the interlayer film comprises a thermoplastic resin and a luminescent material, wherein an output of the light rays radiated from the irradiation device is equal to or less than 1 mW, and wherein the laminated glass emits light at a luminance of equal to or greater than 1 cd/m2 when being irradiated with the light rays.

Abstract: There is provided an interlayer film for laminated glass with which laminated glass having a gradation pattern with suppressed color irregularity can be prepared.

Abstract: The present invention aims to provide an interlayer film for laminated glass capable of displaying images with a high luminous intensity when irradiated with a light beam, and a laminated glass including the interlayer film for laminated glass. The present invention relates to an interlayer film for laminated glass, including a light-emitting layer that contains a thermoplastic resin and a lanthanoid complex with a polydentate ligand containing a halogen atom, the light-emitting layer containing not more than 50 ppm in total of potassium, sodium, and magnesium.

Abstract: There is provided an interlayer film for laminated glass enabling the laminated glass to have low transmittance for a light ray with a wavelength of 430 nm, and furthermore, being capable of achieving low excitation purity thereof. The interlayer film for laminated glass according to the present invention includes a thermoplastic resin, at least one first compound selected from yellow color-based coloring matter and red color-based coloring matter and at least one second compound selected from blue color-based coloring matter and purple color-based coloring matter, the ratio of the amount of the first compound to the amount of the second compound is 0.5 or more, and each of the blue color-based coloring matter and the purple color-based coloring matter is a kind of coloring matter with a maximum absorption wavelength of 550 nm or more and 750 nm or less.