摘要:
Provided are an optical-diffusion film for display which, particularly when applied to a reflective display device, can efficiently diffuse and emit an external light incident from a wide range of angles toward the front of the display device as image display light, and a reflective display device using the optical-diffusion film.Disclosed is an optical-diffusion film for display, which is a single-layered optical-diffusion film obtained by photocuring a composition for optical-diffusion film including two or more kinds of polymerizable compounds having different refractive indices, and in which the film thickness of the optical-diffusion film has a value within the range of 60 to 700 μm, and when a coating layer formed by applying a composition for optical-diffusion film in a film form is photocured, and the incident angle of incident light with respect to the normal line of the film plane is varied in the range of −70° to 70° along the travel direction of the coating layer at the time of photocuring, the haze value at each incident angle has a value of 70% or more.
摘要:
Provided are a composition for light diffusion film which has satisfactory incident angle dependency in transmission and diffusion of light, does not easily undergo yellowing even if exposed to ultraviolet radiation for a long time, and has excellent weather resistance, and a light diffusion film formed by curing the composition. Disclosed is a composition for light diffusion film, which includes a (meth)acrylic acid ester containing plural aromatic rings as component (A), a urethane (meth)acrylate as component (B), a photopolymerization initiator as component (C), and a hindered amine-based photostabilizer as component (D), and in which the content of the component (A) has a value within a predetermined range relative to 100 parts by weight of the component (B), the content of the component (C) has a value within a predetermined range relative to the total amount (100 parts by weight) of the component (A) and the component (B), and the content of the component (D) has a value within a predetermined range relative to the total amount (100 parts by weight) of the component (A) and the component (B).
摘要:
[Problems] Objects include providing a cover film for testing which can be well fixed to a substrate having a groove and in which a pressure sensitive adhesive does not invade into the groove, providing a testing member comprising the cover film for testing, and providing a method of manufacturing the cover film for testing.[Solution] The cover film for testing (1, 2) comprises a base material (10) and a pressure sensitive adhesive layer (20) laminated on one surface side of the base material (10). The cover film for testing (1, 2) has a region in which the pressure sensitive adhesive layer (20) does not exist in the plan view.
摘要:
An optical-diffusion film for display which, particularly when applied to a display device using a collimated backlight as a backlight for the display panel, can efficiently diffuse and emit a highly directional light emitted from the collimated backlight toward the front of the display device as image display light, without allowing straight transmission of the highly directional light, and a display device using the optical-diffusion film for display are provided.Disclosed is a single layered optical-diffusion film having a columnar structure in which plural pillar-shaped objects having a relatively high refractive index are arranged to stand close together in a film thickness direction in a region having a relatively low refractive index, in which the film thickness of the optical-diffusion film has a value within the range of 60 to 700 μm, and the haze value obtainable in the case in which light is made incident in the normal line direction of the film plane has a value of 80% or more.
摘要:
Provided are an optical diffusion film composed of a single layer, for which the optical diffusion incident angle region can be effectively expanded, and even when the incident angle of incident light is varied within the optical diffusion incident angle region, changes in the optical diffusion characteristics can be effectively suppressed; and a method for manufacturing the optical diffusion film.Disclosed is an optical diffusion film having, inside the film, a single optical diffusion layer having a first internal structure and a second internal structure, each of which include a plurality of regions having a relatively high refractive index in a region having a relatively low refractive index, sequentially from the lower part along the film thickness direction, and the regions having a relatively high refractive index in the first internal structure have a bent section at an intermediate point along the film thickness direction.
摘要:
Provided are an optical diffusion film composed of a single layer, for which the optical diffusion incident angle region can be effectively expanded, and even when the incident angle of incident light is varied within the optical diffusion incident angle region, changes in the optical diffusion characteristics can be effectively suppressed; and a method for manufacturing the optical diffusion film.Disclosed is an optical diffusion film having, inside the film, a single optical diffusion layer having a first internal structure and a second internal structure, each of which include a plurality of regions having a relatively high refractive index in a region having a relatively low refractive index, sequentially from the lower part along the film thickness direction, and the regions having a relatively high refractive index in the first internal structure have a bent section at an intermediate point along the film thickness direction.
摘要:
A light diffusion film in which the angle of aperture of diffused light has been expanded effectively by forming, within the film, a predetermined columnar structure composed of pillar-shaped objects having a bent part and a region having a relatively low refractive index, and a method for manufacturing the light diffusion film are provided. Disclosed is a light diffusion film having a columnar structure in which plural pillar-shaped objects having a relatively high refractive index are arranged to stand close together in the film thickness direction in a region having a relatively low refractive index, and the plural pillar-shaped objects having a relatively high refractive index have a bent part in the middle of the pillar-shaped objects.
摘要:
A cover film for testing which can be well fixed to a substrate having a groove and with which a material that constitutes an adhesive layer does not invade into the groove and a specimen can be easily stored in the groove, providing a testing member including the cover film for testing, and providing a method of manufacturing the cover film for testing.The cover film for testing comprises a base material, a hydrophilic coating layer laminated on a surface of the base material, and an adhesive layer partially laminated on a surface of the hydrophilic coating layer opposite to the base material, whereby the cover film for testing has a region in which the adhesive layer is absent and the hydrophilic coating layer is exposed.
摘要:
[Problems] Objects include providing a cover film for testing that can be well fixed to a substrate having a groove and does not adversely affect the groove, providing a testing member comprising the cover film for testing, and providing a method of manufacturing the testing member.[Solution] The cover film for testing (1) comprises a base material (10) and a thermoplastic resin layer (20) laminated on one surface side of the base material (10). The thermoplastic resin layer (20) constitutes an outermost layer at one side of the cover film for testing (1).
摘要:
Provided are a light diffusion film having a single-layered light diffusion layer, in which the uniformity of the intensity of diffused light in the light diffusion angle region can be increased, or the light diffusion angle region can be expanded effectively, by regulating the combination of the angles of inclination of pillar-shaped objects in plural columnar structure regions, and a method for manufacturing a light diffusion film. Disclosed is a light diffusion film having a single-layered light diffusion layer, the light diffusion film having a first columnar structure region and a second columnar structure region, in which plural pillar-shaped objects having a relatively high refractive index are arranged to stand close together in a region having a relatively low refractive index, sequentially from the lower part of the film along the film plane.