Patents by Inventor Tomoo Orui
Tomoo Orui has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9945990Abstract: 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.Type: GrantFiled: February 25, 2014Date of Patent: April 17, 2018Assignee: LINTEC CorporationInventors: Kentaro Kusama, Baku Katagiri, Tomoo Orui, Satoru Shoshi
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Patent number: 9869803Abstract: 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.Type: GrantFiled: February 4, 2014Date of Patent: January 16, 2018Assignee: LINTEC CorporationInventors: Kentaro Kusama, Baku Katagiri, Tomoo Orui
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Publication number: 20170351010Abstract: 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.Type: ApplicationFiled: August 24, 2017Publication date: December 7, 2017Inventors: Kentaro Kusama, Baku Katagiri, Tomoo Orui, Satoru Shoshi
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Publication number: 20170349790Abstract: 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%.Type: ApplicationFiled: July 17, 2015Publication date: December 7, 2017Applicant: LINTEC CorporationInventors: Masaya TODAKA, Baku KATAGIRI, Kenta TOMIOKA, Tomoo ORUI
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Publication number: 20170293054Abstract: 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.Type: ApplicationFiled: October 1, 2014Publication date: October 12, 2017Inventors: Kentaro KUSAMA, Baku KATAGIRI, Kenta TOMIOKA, Tomoo ORUI, Satoru SHOSHI
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Patent number: 9753191Abstract: 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.Type: GrantFiled: February 25, 2014Date of Patent: September 5, 2017Assignee: LINTEC CorporationInventors: Kentaro Kusama, Baku Katagiri, Tomoo Orui, Satoru Shoshi
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Patent number: 9632217Abstract: A composition for light diffusion film in which the angle of aperture of diffused light in a light diffusion film obtainable therefrom can be expanded effectively, and a light diffusion film obtainable by the composition for light diffusion film are provided.Type: GrantFiled: February 4, 2014Date of Patent: April 25, 2017Assignee: LINTEC CorporationInventors: Kentaro Kusama, Baku Katagiri, Tomoo Orui, Satoru Shoshi
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Patent number: 9523799Abstract: A method for producing a light diffusion film having first and second louver structure regions includes the following steps (a) to (d): (a) preparing a composition for light diffusion film; (b) applying the composition for light diffusion film, and forming a coating layer; (c) performing first active energy ray irradiation, and forming a first louver structure region in the lower part of the coating layer, while leaving a louver structure-unformed region in the upper part of the coating layer; and (d) performing second active energy ray irradiation, and forming a second louver structure region in the louver structure-unformed region.Type: GrantFiled: December 20, 2012Date of Patent: December 20, 2016Assignee: LINTEC CORPORATIONInventors: Kentaro Kusama, Tomoo Orui, Kenta Tomioka, Satoru Shoshi
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Patent number: 9519086Abstract: 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.Type: GrantFiled: December 20, 2012Date of Patent: December 13, 2016Assignee: LINTEC CORPORATIONInventors: Kentaro Kusama, Tomoo Orui, Kenta Tomioka, Satoru Shoshi
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Publication number: 20160077246Abstract: 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.Type: ApplicationFiled: March 13, 2014Publication date: March 17, 2016Inventors: Kentaro KUSAMA, Baku KATAGIRI, Tomoo ORUI, Satoru SHOSHI, Hideo FUJIKAKE, Takahiro ISHINABE
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Publication number: 20160070035Abstract: 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 ?m, 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.Type: ApplicationFiled: March 13, 2014Publication date: March 10, 2016Inventors: Kentaro KUSAMA, Baku KATAGIRI, Tomoo ORUI, Satoru SHOSHI, Hideo FUJIKAKE, Takahiro ISHINABE
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Publication number: 20160047952Abstract: 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.Type: ApplicationFiled: February 25, 2014Publication date: February 18, 2016Inventors: Kentaro KUSAMA, Baku KATAGIRI, Tomoo ORUI, Satoru SHOSHI
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Publication number: 20160033692Abstract: A composition for light diffusion film in which the angle of aperture of diffused light in a light diffusion film obtainable therefrom can be expanded effectively, and a light diffusion film obtainable by the composition for light diffusion film are provided.Type: ApplicationFiled: February 4, 2014Publication date: February 4, 2016Inventors: Kentaro KUSAMA, Baku KATAGIRI, Tomoo ORUI, Satoru SHOSHI
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Publication number: 20160025907Abstract: 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.Type: ApplicationFiled: February 25, 2014Publication date: January 28, 2016Inventors: Kentaro KUSAMA, Baku KATAGIRI, Tomoo ORUI, Satoru SHOSHI
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Publication number: 20160018571Abstract: 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.Type: ApplicationFiled: February 4, 2014Publication date: January 21, 2016Inventors: Kentaro KUSAMA, Baku KATAGIRI, Tomoo ORUI
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Publication number: 20150355390Abstract: There is provided a light diffusion film capable of diffusing incident light into an elliptical shape with respect to a plane parallel to the light diffusion film, and which has excellent applicability to rectangular displays. 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 (?m) is the width of the flaky-shaped objects at a position of 50 ?m below the upper end of the flaky-shaped objects in the direction of the thickness of the light diffusion film, and if L50 (?m) 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<0.Type: ApplicationFiled: December 2, 2013Publication date: December 10, 2015Inventors: Baku KATAGIRI, Kentaro KUSAMA, Tomoo ORUI
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Publication number: 20140340753Abstract: 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.Type: ApplicationFiled: December 20, 2012Publication date: November 20, 2014Inventors: Kentaro Kusama, Tomoo Orui, Kenta Tomioka, Satoru Shoshi
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Publication number: 20140340752Abstract: Provided are a method for producing a light diffusion film, capable of easily regulating the combination of the inclination angles of plural plate-shaped regions in plural louver structure regions, and also capable of efficiently producing a light diffusion film having increased uniformity of the intensity of diffused light in the light diffusion angle region, and an effectively expanded light diffusion angle region; and a light diffusion film thus obtained.Type: ApplicationFiled: December 20, 2012Publication date: November 20, 2014Inventors: Kentaro Kusama, Tomoo Orui, Kenta Tomioka, Satoru Shoshi
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Patent number: 8632871Abstract: A film for producing a sheet for a multilayer optical recording medium, the sheet having a repeating structure containing a plurality of laminated optical recording layers, the sheet has a structure including a unit wherein an optical recording layer and an adhesive layer are laminated or a structure including a unit wherein an optical recording layer, a barrier layer and an adhesive layer are laminated, and a maximum height roughness of the optical recording layer or the barrier layer is 500 nm or smaller, the optical recording layer or the barrier layer is disposed on a process film on a face at a side for forming the optical recording layer or at a side for forming the barrier layer, the face at the side for forming the optical recording layer or at the side for forming the barrier layer having a maximum height roughness of 500 nm or smaller.Type: GrantFiled: March 5, 2013Date of Patent: January 21, 2014Assignee: Lintec CorporationInventors: Masaharu Ito, Shinichi Hoshi, Ryo Takahashi, Sou Miyata, Tomoo Orui, Takeshi Kondo
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Sheet for multilayer optical recording medium and multilayer optical recording medium using the same
Patent number: 8420199Abstract: Disclosed is a sheet for producing a multilayer optical recording medium having a repeating structure wherein a plurality of optical recording layers are laminated. The sheet for a multilayer optical recording medium has a structure having a unit wherein an optical recording layer and an adhesive layer are laminated, or a structure having a unit wherein an optical recording layer, a barrier layer and an adhesive layer are laminated in this order. The maximum height roughness (Rz) of the optical recording layer or the barrier layer is not more than 500 nm. A multilayer optical recording medium is produced by using the sheet for a multilayer optical recording medium. Also disclosed is a sheet for producing, with high precision, a high-quality multilayer optical recording medium having a repeating unit wherein a plurality of optical recording layers containing a multiphoton absorbing material are laminated. A multilayer optical recording medium is also produced by using this sheet.Type: GrantFiled: June 15, 2009Date of Patent: April 16, 2013Assignee: LINTEC CorporationInventors: Masaharu Ito, Shinichi Hoshi, Ryo Takahashi, Sou Miyata, Tomoo Orui, Takeshi Kondo