Abstract: Provided is a method for producing a film, including a step A of applying a coating liquid containing a film-forming compound, a polymer, and a solvent onto a support to form a coating film, the polymer being at least one selected from a polymer having a fluoroaliphatic group or a polymer having a siloxane structure, and allowing a solution having the polymer dissolved in methyl ethyl ketone at a solid content of 55% by mass to have a viscosity of 15 mPa·s or more at a liquid temperature of 60° C.; a step B of drying the coating film formed in the step A at a rate at which the coating film shows a mass change of from 0.02 g/m2/s to 0.1 g/m2/s for a time which is twice or more t seconds satisfying a predetermined condition A; and a step C of drying the coating film after the step B at a rate at which the coating film shows a mass change of from 0.02 g/m2/s to 0.2 g/m2/s.

Abstract: Provided is a backlight film that is used for a liquid crystal display or the like, uses a wavelength conversion film, has satisfactory durability, and enables light without color unevenness to be emitted from the backlight unit. The problem is solved by including a wavelength conversion film having a wavelength conversion layer and gas barrier films that sandwich the wavelength conversion layer; and a plurality of reflective layers provided on one main surface of the wavelength conversion film, and causing area unevenness of the reflective layer to be ±5% or less.

Abstract: A laminated film includes a functional layer laminate having a wavelength conversion layer, such as a quantum dot layer, and a gas barrier film laminated on both main surfaces and sandwiching the wavelength conversion layer, and an end face sealing layer covering a region from a portion of one main surface of the functional layer laminate to a portion of the other main surface including the entirety of end face of the functional layer laminate, in which the end face sealing layer has a build-up portion formed on the main surface of the functional layer laminate, and a width of the build-up portion measured from the end face is equal to or greater than 0.01 mm and equal to or smaller than 8% of a length of the main surface.

Abstract: An object of the present invention is to provide a laminated film including a functional layer such as a quantum dot layer and having an appropriate shape, in which a member such as a quantum dot performing a function can be prevented from deteriorating due to the permeation of oxygen or the like from an end face. The object is achieved by a laminated film including a functional layer laminate having a functional layer and a gas barrier layer laminated on the functional layer and an end face sealing layer covering at least some of end faces of the functional layer laminate, in which the planar shape of the functional layer laminate is a shape in which the corners of a polygon are cut out, or the end faces of the functional layer laminate have a tapered shape.

Abstract: A method of manufacturing a film with a coating layer includes a preparing step of preparing a coating liquid containing one or more photopolymerization initiator, a solvent, an actinic-ray curable monomer, and an actinic-ray curable resin, an applying step of applying the coating liquid onto a support to form a coating layer; and a irradiation step of irradiating the coating layer with an actinic ray, wherein in the irradiation step, the coating layer is irradiated with the actinic ray in a state where the coating layer contains the solvent of 10 wt % or more.

Abstract: The tip of a downstream lip is disposed so as to be further separated from a web as compared to the tip of an adjacent lip, and downstream and upstream spacers are placed so that the a liquid discharge port length interposed between two downstream spacers is shorter than that of a liquid discharge port interposed between two upstream spacers. The method includes coating coating-liquid to the surface of the web from a slot die, which is formed so that tips of the downstream spacers are placed at the same position as a tip of the adjacent lip or further protrude so as to be closer to the web than the tip of the adjacent lip; depressurizing the cover inside that is provided on the upstream side of the slot die during the coating; and drying the coating-liquid that is coated to the surface of the web.

Abstract: A coating apparatus includes a backup roller configured to support a web; a slot die disposed opposite to the backup roller, the slot die including a plurality of slots and being configured to eject a plurality of coating liquids from tips of the plurality of slots respectively so as to form beads of the coating liquids in a clearance between the web and a lip surface, which is a tip surface of the slot die, thereby coating the plurality of the coating liquids into multilayers simultaneously on the web being transported; and a depressurizing apparatus. Among the lip surfaces which sandwich the plurality of slots therebetween, a lip surface end portion on a downstream side in a transportation direction of the web of the lip surface with which an interface of the plurality of the coating liquids comes into contact has a curved shape with a convex cross-sectional shape.

Abstract: The method includes: a preparation process of preparing coating liquids including at least one of resin containing coating liquids which contain a solvent, a photopolymerization initiator, an actinic ray curable monomer and an actinic ray curable resins having one or more kinds of molecular weights and the molecular weights of 2500 or more; an application process of applying the coating liquids to the film in a manner that at least one of a lower layer and an upper layer which contact with each other is formed; and a first irradiation process of irradiating the multilayer with actinic ray in a state where a coating layer of the resin containing coating liquid has a solvent concentration of 10% by weight or more, after the application process; a drying process of drying the multilayer; and a second irradiation process of irradiating the multilayer with actinic ray after the drying process.

Abstract: A method for manufacturing a film with multilayer, comprising: a preparation process of preparing a plurality of coating liquids including one or more resin containing coating liquids which contain a solvent, a photopolymerization initiator, an actinic ray curable monomer and an actinic ray curable resins having one or more types of molecular weights and the molecular weights of 2500 or more; an application process of applying the plurality of coating liquids to the film in a manner that at least one of a lower layer and an upper layer which contact with each other is formed; a first irradiation process of irradiating the multilayer with actinic ray in a state where the resin containing coating liquid has a solvent concentration of 10% by weight or more; a drying process of drying the multilayer and; the second irradiation process of irradiating the multilayer with actinic ray.

Abstract: A method of manufacturing a film with a coating layer includes a preparing step of preparing a coating liquid containing one or more photopolymerization initiator, a solvent, an actinic-ray curable monomer, and an actinic-ray curable resin, an applying step of applying the coating liquid onto a support to form a coating layer; and a irradiation step of irradiating the coating layer with an actinic ray, wherein in the irradiation step, the coating layer is irradiated with the actinic ray in a state where the coating layer contains the solvent of 10 wt % or more.

Abstract: The tip of a downstream lip is disposed so as to be further separated from a web as compared to the tip of an adjacent lip, and downstream and upstream spacers are placed so that the a liquid discharge port length interposed between two downstream spacers is shorter than that of a liquid discharge port interposed between two upstream spacers. The method includes coating coating-liquid to the surface of the web from a slot die, which is formed so that tips of the downstream spacers are placed at the same position as a tip of the adjacent lip or further protrude so as to be closer to the web than the tip of the adjacent lip; depressurizing the cover inside that is provided on the upstream side of the slot die during the coating; and drying the coating-liquid that is coated to the surface of the web.

Abstract: The present invention provides a method for manufacturing an optical film which is superior in transportability and lamination suitability in a lamination step in a polarizing plate processing. A slide coating device includes applying one or more coating liquids flowing down on a slide face to the surface of a continuously traveling strip-shaped support through the bead of the coating liquids, which is formed by the coating liquids in a lip clearance formed between a lip tip in the lower end of the slide face and the surface of the support, and also having guide plates on both ends of the slide face, which guide the downflow of the coating liquids, wherein the guide plates are provided so that the lower ends of the guide plates are retracted from the lip tip by the range of more than 0 mm and less than 4 mm.