公开(公告)号：US10464284B2

公开(公告)日：2019-11-05

申请号：US15832914

申请日：2017-12-06

Applicant: LINTEC CORPORATION

Inventor： Hiroki Hoshino ,  Masaya Todaka ,  Tomoo Orui

IPC: B32B3/30 ,  B32B27/06 ,  B32B37/06 ,  G01N21/03 ,  G01N21/51 ,  G01N21/64

Abstract: [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).

公开(公告)号：US09519086B2

公开(公告)日：2016-12-13

申请号：US14372269

申请日：2012-12-20

Applicant: LINTEC Corporation

Inventor： Kentaro Kusama ,  Tomoo Orui ,  Kenta Tomioka ,  Satoru Shoshi

IPC: G02B5/02 ,  G02B26/02 ,  G02B1/04 ,  G02F1/1335

CPC classification number: G02B5/0257 ,  G02B1/04 ,  G02B5/021 ,  G02B5/0236 ,  G02B26/023 ,  G02F1/133504

Abstract: An anisotropic light diffusion film includes increased uniformity of the intensity of diffused light in the light diffusion angle region, and the light diffusion angle region has been effectively expanded. An anisotropic light diffusion film includes a first louver structure region and a second louver structure region, in which plural plate-shaped regions having different refractive indices are alternately arranged in parallel along any one direction along the film plane, sequentially from the lower side along the film thickness direction, and the anisotropic light diffusion film includes an overlapping louver structure region in which the upper end of the first louver structure region and the lower end of the second louver structure region overlap each other.

Abstract translation: 各向异性光扩散膜包括增加光扩散角区域中漫射光强度的均匀性，并且光扩散角区域已被有效地扩展。 各向异性光漫射膜包括第一百叶窗结构区域和第二百叶窗结构区域，其中具有不同折射率的多个板状区域沿着膜平面沿着任何一个方向平行地沿着沿着膜平面的下侧沿着 膜厚方向，各向异性光漫射膜包括第一百叶窗结构区域的上端和第二百叶窗结构区域的下端重叠的重叠百叶窗结构区域。

公开(公告)号：US20140340753A1

公开(公告)日：2014-11-20

申请号：US14372269

申请日：2012-12-20

Applicant: LINTEC Corporation

Inventor： Kentaro Kusama ,  Tomoo Orui ,  Kenta Tomioka ,  Satoru Shoshi

IPC: G02B5/02

CPC classification number: G02B5/0257 ,  G02B1/04 ,  G02B5/021 ,  G02B5/0236 ,  G02B26/023 ,  G02F1/133504

Abstract: Provided is an anisotropic light diffusion film in which uniformity of the intensity of diffused light in the light diffusion angle region has been increased, and the light diffusion angle region has been effectively expanded. Disclosed is an anisotropic light diffusion film having a first louver structure region and a second louver structure region, in which plural plate-shaped regions having different refractive indices are alternately arranged in parallel along any one direction along the film plane, sequentially from the lower side along the film thickness direction, the anisotropic light diffusion film having an overlapping louver structure region in which the upper end of the first louver structure region and the lower end of the second louver structure region overlap each other.

Abstract translation: 提供了一种各向异性光扩散膜，其中扩散光区域中的漫射光强度的均匀性已经增加，并且光扩散角区域已被有效地扩展。 公开了一种具有第一百叶窗结构区域和第二百叶窗结构区域的各向异性光扩散膜，其中具有不同折射率的多个板状区域沿着膜平面沿着任何一个方向平行地交替排列，从下侧开始 沿着膜厚方向，各向异性光扩散膜具有重叠的百叶窗结构区域，其中第一百叶窗结构区域的上端和第二百叶窗结构区域的下端彼此重叠。

公开(公告)号：US10288779B2

公开(公告)日：2019-05-14

申请号：US15685311

申请日：2017-08-24

Applicant: LINTEC Corporation

Inventor： Kentaro Kusama ,  Baku Katagiri ,  Tomoo Orui ,  Satoru Shoshi

IPC: G02B5/02 ,  C08L33/14 ,  C08L55/00 ,  C08F299/06 ,  G02F1/1335

Abstract: 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.

公开(公告)号：US10185063B2

公开(公告)日：2019-01-22

申请号：US14786733

申请日：2014-03-13

Applicant: LINTEC Corporation ,  TOHOKU University

Inventor： Kentaro Kusama ,  Baku Katagiri ,  Tomoo Orui ,  Satoru Shoshi ,  Hideo Fujikake ,  Takahiro Ishinabe

IPC: G02B5/02 ,  G02B1/04 ,  F21V8/00 ,  G02F1/1335

Abstract: 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.

公开(公告)号：US10094958B2

公开(公告)日：2018-10-09

申请号：US14655696

申请日：2013-12-02

Applicant: LINTEC Corporation

Inventor： Baku Katagiri ,  Kentaro Kusama ,  Tomoo Orui

IPC: G02B5/02 ,  G02B27/09 ,  G02F1/1335

Abstract: According to the present invention, there is provided a light diffusion film for diffusing incident light into an elliptical shape, which contains, inside the film, a structure composed of a plurality of flaky-shaped objects with comparatively high refractive index arranged in multiple rows in a region with comparatively low refractive index along any one arbitrary direction along the film plane. If T50 (μm) is the width of the flaky-shaped objects at a position of 50 μm below the upper end of the flaky-shaped objects in the direction of the thickness of the light diffusion film, and if L50 (μm) is the length of the flaky-shaped objects in the above-mentioned arbitrary one direction, the following relation (1) is satisfied: 0.05≤T50/L50

公开(公告)号：US10545267B2

公开(公告)日：2020-01-28

申请号：US16239800

申请日：2019-01-04

Applicant: LINTEC Corporation

Inventor： Kentaro Kusama ,  Baku Katagiri ,  Kenta Tomioka ,  Tomoo Orui ,  Satoru Shoshi

IPC: G02B5/02

Abstract: 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.

公开(公告)号：US10222522B2

公开(公告)日：2019-03-05

申请号：US15513059

申请日：2014-10-01

Applicant: LINTEC Corporation

Inventor： Kentaro Kusama ,  Baku Katagiri ,  Kenta Tomioka ,  Tomoo Orui ,  Satoru Shoshi

IPC: G02B5/02

Abstract: 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.

公开(公告)号：US10180762B2

公开(公告)日：2019-01-15

申请号：US15541131

申请日：2015-07-17

Applicant: LINTEC Corporation

Inventor： Masaya Todaka ,  Baku Katagiri ,  Kenta Tomioka ,  Tomoo Orui

IPC: C09J7/22 ,  G06F3/044 ,  C09J201/00 ,  C09J7/38

Abstract: Provided are a surface protection film which would stably display an image, and would stably attain a mirror state, and which would be stably operated without inhibiting display operability.Disclosed is a surface protection film including a resin film and a pressure-sensitive adhesive layer, in which the relative permittivity of the resin film is of 1.0 to 5.0, the reflectance is set to a value within the range of 20% to 80%, and the transmittance for light is of 20% to 80%.

公开(公告)号：US09945990B2

公开(公告)日：2018-04-17

申请号：US14775522

申请日：2014-02-25

Applicant: LINTEC Corporation

Inventor： Kentaro Kusama ,  Baku Katagiri ,  Tomoo Orui ,  Satoru Shoshi

IPC: G02B1/04 ,  C09D133/14 ,  G02B5/02 ,  C08F299/06 ,  C08F220/30 ,  C08G18/48 ,  C08G18/67 ,  C08G18/75 ,  C08F283/00 ,  C08F290/14 ,  B05D3/06 ,  G02F1/1335

CPC classification number: G02B5/0278 ,  B05D3/067 ,  C08F220/30 ,  C08F283/006 ,  C08F290/147 ,  C08F299/06 ,  C08G18/4825 ,  C08G18/672 ,  C08G18/755 ,  C09D133/14 ,  G02B1/04 ,  G02B5/0236 ,  G02B5/0257 ,  G02B2207/123 ,  G02F1/133504 ,  G02F1/133553 ,  C08F2220/301 ,  C08L33/08

Abstract: 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.