Abstract: A laminate according to an aspect of the present disclosure is a laminate including a substrate layer, a sealant layer, and an adhesive layer disposed between the substrate layer and the sealant layer, the adhesive layer being in contact with the sealant layer, in which the substrate layer is formed from an unstretched film containing a polyethylene having a density of 0.940 g/cm3 or more as a main component, the sealant layer is formed from an unstretched film containing a polyethylene as a main component, and a content of polyethylene occupying the laminate is 90% by mass or more.

Abstract: A gas barrier laminate according to an aspect of the present disclosure has a structure having a base material layer including a polyolefin, an undercoat layer, an inorganic oxide layer, a gas barrier adhesive layer, and a resin layer including a polyolefin laminated therein in this order.

Abstract: A first quantum dot protective film comprises a first barrier film including a silica deposition layer, and a first diffusion layer. An O/Si ratio of the silica deposition layer is 1.7 or more and 2.0 or less on an atomic ratio basis, and a refractive index of the silica deposition layer is 1.5 or more and 1.7 or less; and a reflectance of the first quantum dot protective film is 10% or more and 20% or less at each of wavelengths of 450 nm, 540 nm and 620 nm, and a transmittance of the first quantum dot protective film is 80% or more and 87% or less at each of wavelengths of 450 nm, 540 nm and 620 nm.

Abstract: A first quantum dot protective film comprises a first barrier film including a silica deposition layer, and a first diffusion layer. An O/Si ratio of the silica deposition layer is 1.7 or more and 2.0 or less on an atomic ratio basis, and a refractive index of the silica deposition layer is 1.5 or more and 1.7 or less; and a reflectance of the first quantum dot protective film is 10% or more and 20% or less and a transmittance the first quantum dot protective film is 80% or more and 95% or less, at all wavelengths of 450 nm, 540 am, and 620 nm.

Abstract: A protective film for wavelength conversion sheet for protecting a fluorescent substance in a wavelength conversion sheet, the protective film for wavelength conversion sheet having a structure in which two or more barrier films, each comprising a substrate and one or more barrier layers provided on at least one surface of the substrate, are laminated.