Abstract: The fluorine-containing copolymer of the present invention includes: a structural unit (A) represented by the following formula (1); and at least one selected from the group consisting of a structural unit (B) represented by the following formula (2), a structural unit (C) represented by the following formula (3), and a structural unit (D) represented by the following formula (4): in the formula (1), Rff1 to Rff4 each independently represent a fluorine atom, a perfluoroalkyl group having 1 to 7 carbon atoms, or a perfluoroalkyl ether group having 1 to 7 carbon atoms, and Rff1 and Rff2 are optionally linked to form a ring; in the formula (2), R1 to R3 each independently represent a fluorine atom or a perfluoroalkyl group having 1 to 7 carbon atoms, R4 represents a perfluoroalkyl group having 1 to 7 carbon atoms, the perfluoroalkyl group optionally has a ring structure, one or some of the fluorine atoms are optionally substituted by a halogen atom other than a fluorine atom, and one or some of fl

Abstract: The present invention provides a resin composition for producing an encapsulating member having high heat resistance and high encapsulation performance. In the resin composition for encapsulating a light-emitting device according to the present invention, at least one of (i) and (ii) is satisfied: (i) the resin composition includes a polymer (P1) including: a structural unit (A) represented by the following formula (1); and a structural unit (B) having at least one functional group selected from the group consisting of a carbonyl-containing group, a hydroxyl group, an epoxy group, an isocyanate group, and a cyano group; and (ii) the resin composition includes: a polymer (P2) including the structural unit (A); and a polymer (P3) including the structural unit (B).

Abstract: An optical film set that can prevent the warping. The optical film set includes: a first optical film arranged on a viewer side of a liquid crystal cell; and a second optical film arranged on a back surface side of the liquid crystal cell, wherein the first optical film includes a first glass film, a first adhesion layer, and a first polarizing plate, which includes a first polarizer and a first protective film, in the stated order, wherein the first glass film has a thickness of from 50 ?m to 150 ?m, wherein the first protective film has a modulus of elasticity of 1 GPa or more, wherein the first adhesion layer has a thickness of 10 ?m or less, wherein the second optical film includes a second polarizing plate including a second polarizer, and wherein the second polarizer has a thickness of from 1 ?m to 10 ?m.

Abstract: Disclosed is an optical laminate roll formed of a long optical laminate including a glass layer. In the optical laminate roll, the optical laminate includes a flexible glass layer (10), a polarize (30) and a pressure sensitive adhesive layer (80). The thickness of the glass layer is preferably 150 ?m or less. The length of the optical laminate roll is preferably 100 m or more. In the optical laminate, the polarizer and the adhesive layer may be arranged in this order on a first principal surface of the glass layer. A transparent film may be disposed between the glass layer and the polarizer.

Abstract: Provided are a encapsulant composition that is for solar cells and can reduce the time required for a lamination process and improve light stability and resistance to moisture and heat, and a solar cell encapsulant layer and a solar cell module, each produced with the composition, wherein the composition includes an ethylenic copolymer and an organic peroxide having a peroxyester structure represented by formula (1) or (2) wherein R1, R2, R3, and R4 each independently represent an optionally substituted alkyl group of 1 to 18 carbon atoms or an optionally substituted aryl group of 5 to 18 carbon atoms.

Abstract: An object of the present invention is to provide a luminescent ethylene-based copolymer which causes no problem of the shift or bleeding-out of a fluorescent body, which has a high workability, desired optical properties and a good light stability and which is easily handled in a kneading step; and a encapsulant composition for a solar cell, using this copolymer. Another object of the invention is to provide a encapsulant layer, for a solar cell, which is formed using the photovoltaic encapsulant composition to cause no problem of the shift or bleeding-out of a fluorescent body in this layer and to have desired optical properties and a good light stability; and a photoelectromotive module having this layer. The copolymer is a luminescent ethylene-based copolymer including, as a monomer component, a fluorescent dye compound having an unsaturated bond.

Abstract: The present invention relates to fluorescent, benzotriazole-containing dye compounds, which possess a high workability, desirable optical properties, and a good light stability, while suppressing the formation of a precipitate. The invention further relates to a wavelength-converting encapsulant layer, which is formed using the wavelength-converting encapsulant composition comprising said fluorescent, benzotriazole dye compounds. The fluorescent, benzotriazole-containing dye compounds are represented by general formula (I). wherein the variables are defined in the specification.

Abstract: The present invention relates to fluorescent, benzotriazole-containing dye compounds, which possess high processability, desirable optical characteristics and good photostability, while suppressing the formation of a precipitate, and to dye polymers comprising the same. The present invention further relates to a wavelength-converting encapsulant composition comprising said dye polymer and to a photovoltaic module, which comprises a layer comprising said wavelength-converting encapsulant. The polymer fluorescent benzotriazole-containing dye compound is represented by general formula (I): where the variables are defined in the specification.