Patents by Inventor Takayuki Uto
Takayuki Uto 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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Publication number: 20230314800Abstract: A head-up display (HUD) system is described that makes it less possible that coloring is visually recognized on a windshield even with sunglasses worn, wherein the head-up display system includes an image projector configured to project an image; and a resin film configured such that the image from the image projector is projected on the resin film, wherein the resin film is a reflective plane, and is disposed in such a manner that the incidence plane where the maximum of the absolute value of a* and the maximum of the absolute value of b* satisfy the following formulae (1) and (2) is at 90±10° to a horizontal plane.Type: ApplicationFiled: September 10, 2021Publication date: October 5, 2023Applicant: Toray Industries, Inc.Inventors: Shin Hirose, Takayuki Uto, Yuji Matsuo, Shohei Yoshida, Miyu Shiraishi
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Patent number: 11383498Abstract: The present invention provides a laminate film and a display member including the laminate film, which are excellent in visibility of external information such as scenery and displayability of information from a projection member, and are also excellent in color tone reproducibility. The laminate film includes a laminate of 50 or more alternately arranged layers of a plurality of different thermoplastic resins, the laminate film having a transmittance of light incident perpendicularly to a film surface of 50% or more, the laminate film satisfying a relationship of R20?R40<R70, wherein R20, R40, and R70 are reflectances of a P-wave incident at angles of 20°, 40°, and 70°, respectively, to the normal to the film surface, the reflectance of R70 being 30% or more, reflected light of the P-wave incident at 70° to the normal to the film surface having a saturation of 20 or less.Type: GrantFiled: April 5, 2019Date of Patent: July 12, 2022Assignee: TORAY INDUSTRIES, INC.Inventors: Takayuki Uto, Wataru Gouda, Takahito Sakai, Hiroji Kojima, Yuji Matsuo
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Publication number: 20220155514Abstract: An object of the present invention is to provide an optical material having a visual confirmation effect due to higher directivity of light reflection than a conventional optical material. The present invention provides a laminate having a multilayer laminated film in which 11 or more layers of a plurality of different thermoplastic resins are alternately laminated, wherein, with respect to light in a wavelength range of 400 to 700 nm and that is perpendicularly incident on an outer surface of the multilayer laminated film, the laminate has an average transmittance in the above wavelength range of 50% or more, and when average reflectances in a wavelength range of 400 to 700 nm with respect to S-wave light in the wavelength range, incident at angles of 20° and 70° with respect to the normal line of the outer surface of the film at azimuths ?n (n: 1 to 5), are given as Rs20(?n) and Rs70(?n), respectively, the laminate satisfies, at at least one azimuth ?n: Rs70(?n)?Rs20(?n)?50(%).Type: ApplicationFiled: March 17, 2020Publication date: May 19, 2022Applicant: Toray Industries, Inc.Inventors: Yuji Matsuo, Takayuki Uto, Miyu Shiraishi
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Publication number: 20210405439Abstract: Provided are a light source unit, a display device, and a film. The light source unit has a light source and a film, the light source has a light-emitting band in the 450-650 nm wavelength range, the film has a mean transmittance of 70% or higher for light in the 450-650 nm wavelength range from the light source and incident at an angle of 0° to the normal to the film surface, the film satisfies the relationship Rp20?Rp40<Rp70 with Rp70 being 30% or greater when Rp20, Rp40, and Rp70 represent the mean reflectance (%) for P waves in the 450-650 nm wavelength range for light from the light source incident at angles of 20°, 40°, and 70° to the normal to the film surface, and the light source and the film satisfy specific relationships. Lb(0°)/La(0°)?0.8??(1) Lb(70°)/La(70°)<1.Type: ApplicationFiled: December 4, 2019Publication date: December 30, 2021Applicant: Toray Industries, Inc.Inventors: Yuji Matsuo, Takayuki Uto, Miyu Shiraishi
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Publication number: 20210138772Abstract: The present invention provides a laminate film and a display member including the laminate film, which are excellent in visibility of external information such as scenery and displayability of information from a projection member, and are also excellent in color tone reproducibility. The laminate film includes a laminate of 50 or more alternately arranged layers of a plurality of different thermoplastic resins, the laminate film having a transmittance of light incident perpendicularly to a film surface of 50% or more, the laminate film satisfying a relationship of R20?R40<R70, wherein R20, R40, and R70 are reflectances of a P-wave incident at angles of 20°, 40°, and 70°, respectively, to the normal to the film surface, the reflectance of R70 being 30% or more, reflected light of the P-wave incident at 70° to the normal to the film surface having a saturation of 20 or less.Type: ApplicationFiled: April 5, 2019Publication date: May 13, 2021Applicant: Toray Industries, Inc.Inventors: Takayuki Uto, Wataru Gouda, Takahito Sakai, Hiroji Kojima, Yuji Matsuo
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Patent number: 10955593Abstract: The present invention provides a light source unit capable of displaying an image of a desired color without causing color unevenness when mounted on a display. A light source unit including: a light source; a color conversion member that converts incident light incident from the light source into light having a longer wavelength than the incident light does; and a reflective film that is present between the light source and the color conversion member, transmits light incident from the light source, and reflects light exited from the color conversion member, wherein in the reflective film, the scattering angle (R2?R1) on at least one film surface is 5° or more, where the scattering angle is obtained from angles R1 and R2 (R1<R2) at which the transmitted light intensity is Tmax(0)/100 relative to the maximum transmitted light intensity of halogen light incident perpendicularly to the film surface of Tmax(0).Type: GrantFiled: September 10, 2018Date of Patent: March 23, 2021Assignee: TORAY INDUSTRIES, INC.Inventors: Takayuki Uto, Wataru Gouda, Takahito Sakai
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Publication number: 20200348457Abstract: The present invention provides a light source unit capable of displaying an image of a desired color without causing color unevenness when mounted on a display. A light source unit including: a light source; a color conversion member that converts incident light incident from the light source into light having a longer wavelength than the incident light does; and a reflective film that is present between the light source and the color conversion member, transmits light incident from the light source, and reflects light exited from the color conversion member, wherein in the reflective film, the scattering angle (R2?R1) on at least one film surface is 5° or more, where the scattering angle is obtained from angles R1 and R2 (R1<R2) at which the transmitted light intensity is Tmax(0)/100 relative to the maximum transmitted light intensity of halogen light incident perpendicularly to the film surface of Tmax(0).Type: ApplicationFiled: September 10, 2018Publication date: November 5, 2020Applicant: Toray Industries, Inc.Inventors: Takayuki Uto, Wataru Gouda, Takahito Sakai
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Patent number: 10784414Abstract: A light source unit includes: a light source; a color conversion film containing an organic luminous material that converts incident light made incident from the light source into light with a longer wavelength than that of the incident light; and a laminated film comprising a constitution in which 11 or more layers of different thermoplastic resins are alternately laminated with each other.Type: GrantFiled: March 21, 2017Date of Patent: September 22, 2020Assignee: Toray Industries, Inc.Inventors: Masaaki Umehara, Takayuki Uto, Wataru Gouda, Jun Sakamoto
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Patent number: 10732332Abstract: A light source unit is provided which makes an excellent contrast between the black display portions and the white display portions if mounted on a display, while having a high frontal luminance. The light source unit includes: a light source; a color conversion material that converts incident light from the light source into light having a longer wavelength than the incident light; and a reflective film that exists between the light source and the color conversion material and that transmits light from the light source incident perpendicularly on the film surface and reflects light from the color conversion material incident perpendicularly on the film surface; wherein the P-Polarized light of the light incident from the light source on the reflective film surface at an angle of 20°, 40°, and 60° is reflected at a reflectance of R20(%), R40(%), and R60(%) respectively, which satisfy R20<R40<R60.Type: GrantFiled: October 11, 2017Date of Patent: August 4, 2020Assignee: TORAY INDUSTRIES, INC.Inventors: Takayuki Uto, Wataru Gouda
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Publication number: 20200064528Abstract: A light source unit is provided which makes an excellent contrast between the black display portions and the white display portions if mounted on a display, while having a high frontal luminance. The light source unit includes: a light source; a color conversion material that converts incident light from the light source into light having a longer wavelength than the incident light; and a reflective film that exists between the light source and the color conversion material and that transmits light from the light source incident perpendicularly on the film surface and reflects light from the color conversion material incident perpendicularly on the film surface; wherein the P-Polarized light of the light incident from the light source on the reflective film surface at an angle of 20°, 40°, and 60° is reflected at a reflectance of R20(%), R40(%), and R60(%) respectively, which satisfy R20<R40<R60.Type: ApplicationFiled: October 11, 2017Publication date: February 27, 2020Applicant: Toray Industries, Inc.Inventors: Takayuki Uto, Wataru Gouda
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Publication number: 20190103521Abstract: A light source unit includes: a light source; a color conversion film containing an organic luminous material that converts incident light made incident from the light source into light with a longer wavelength than that of the incident light; and a laminated film comprising a constitution in which 11 or more layers of different thermoplastic resins are alternately laminated with each other.Type: ApplicationFiled: March 21, 2017Publication date: April 4, 2019Applicant: Toray Industries, Inc.Inventors: Masaaki Umehara, Takayuki Uto, Wataru Gouda, Jun Sakamoto
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Patent number: 9878523Abstract: [Problem] Provided is a laminated film which exhibits good general adhesiveness to PVAs, EVAs and PVBs having a wide range of saponification degrees as well as good moist heat-resistant adhesiveness. [Means for Solution] The laminated film comprises a resin layer (?) composed of an aliphatic urethane structure-containing resin composition (I) on at least one side of a thermoplastic resin film, the resin layer (?) satisfying the following properties (i) and (ii): (i) the resin layer (?) has a surface free energy (sum of the dispersion force and the polar force) of not less than 30 mN/m and not greater than 45 mN/m; and (ii) the resin layer (?) has a polar force of not less than 5.0 mN/m and not greater than 15.0 mN/m.Type: GrantFiled: March 14, 2014Date of Patent: January 30, 2018Assignee: TORAY INDUSTRIES, INC.Inventors: Takayuki Uto, Kazuyoshi Ota, Yoshihiro Masuda, Wataru Goda
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Patent number: 9527266Abstract: A multi-layer laminated film includes layers composed using a thermoplastic resin A and layers composed using a thermoplastic resin B, which A layers and B layers are alternately laminated in 51 or more layers, wherein the film has: a heat shrinkage stress of 0.5 MPa to 5 MPa at 150° C. in the longitudinal and width directions of the film; and a heat shrinkage stress kick-off temperature of 110° C. or lower in at least one of the longitudinal and width directions of the film.Type: GrantFiled: March 13, 2013Date of Patent: December 27, 2016Assignee: Toray Industries, Inc.Inventors: Yuji Matsuo, Takayuki Uto, Syunichi Osada, Wataru Goda
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Patent number: 9452590Abstract: A multilayer film includes 50 or more layers of each of two or more thermoplastic resins having different optical properties are alternately laminated with each other, wherein the average reflectance in a wavelength range of 900 to 1,200 nm is 70% or higher; both of the differences between the a* values (?a*) and between the b* values (?b*), respectively, of transmitted light incoming at an angle of 12° and of transmitted light incoming at an angle of 45° are 10 or less; and the multilayer film comprises a bandwidth of not less than 50 nm where the transmittance is 80% or lower in a wavelength range of 400 to 800 nm.Type: GrantFiled: June 22, 2012Date of Patent: September 27, 2016Assignee: Toray Industries, Inc.Inventors: Takayuki Uto, Syunichi Osada, Wataru Gouda, Yuji Matsuo
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Patent number: 9327439Abstract: An extrusion die for laminating at least two kinds of resins in the width direction is provided. The extrusion die has not less than 10 nozzles arranged in the width direction and not less than 10 holes such that the holes surround each of the arranged nozzles, or alternatively, the extrusion die has not less than 10 holes arranged in the width direction.Type: GrantFiled: December 1, 2014Date of Patent: May 3, 2016Assignee: Toray Industries Inc.Inventors: Takayuki Uto, Syunichi Osada
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Publication number: 20160001530Abstract: [Problem] Provided is a laminated film which exhibits good general adhesiveness to PVAs, EVAs and PVBs having a wide range of saponification degrees as well as good moist heat-resistant adhesiveness. [Means for Solution] The laminated film comprises a resin layer (?) composed of an aliphatic urethane structure-containing resin composition (1) on at least one side of a thermoplastic resin film, the resin layer (?) satisfying the following properties (i) and (ii): (i) the resin layer (?) has a surface free energy (sum of the dispersion force and the polar force) of not less than 30 mN/m and not greater than 45 mN/m; and (ii) the resin layer (?) has a polar force of not less than 5.0 mN/m and not greater than 15.0 mN/m.Type: ApplicationFiled: March 14, 2014Publication date: January 7, 2016Applicant: TORAY INDUSTRIES, INC.Inventors: Takayuki UTO, Kazuyoshi OTA, Yoshihiro MASUDA, Wataru GODA
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Patent number: 9199403Abstract: A width-direction multilayer laminated film having a large area and uniform optical properties is provided. A light guide, a light diffusion film, a light collecting film, a viewing angle control film, and an optical waveguide film, which are low cost and have excellent optical properties, as well as an illuminating device, a communication device, and a display using these films. The laminated film may include at least a structure in which a layer made of resin A (layer A) and a layer made of resin B (layer B) are alternately laminated in the width direction, wherein the width of the film is 400 mm or more and the number of layer Bs, each having a cross-sectional width from 0.1 ?m to 10,000 ?m, is 10 or larger.Type: GrantFiled: March 3, 2009Date of Patent: December 1, 2015Assignee: TORAY INDUSTRIES, INC.Inventors: Takayuki Uto, Syunichi Osada
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Publication number: 20150086671Abstract: A width-direction multilayer laminated film having a large area and uniform optical properties is provided. A light guide, a light diffusion film, a light collecting film, a viewing angle control film, and an optical waveguide film, which are low cost and have excellent optical properties, as well as an illuminating device, a communication device, and a display using these films. The laminated film may include at least a structure in which a layer made of resin A (layer A) and a layer made of resin B (layer B) are alternately laminated in the width direction, wherein the width of the film is 400 nm or more and the number of layer Bs, each having a cross-sectional width from 0.1 ?m to 10,000 ?m, is 10 or larger.Type: ApplicationFiled: December 1, 2014Publication date: March 26, 2015Applicant: TORAY INDUSTRIES, INC.Inventors: TAKAYUKI UTO, SYUNICHI OSADA
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Publication number: 20150064428Abstract: A multi-layer laminated film includes layers composed using a thermoplastic resin A and layers composed using a thermoplastic resin B, which A layers and B layers are alternately laminated in 51 or more layers, wherein the film has: a heat shrinkage stress of 0.5 MPa to 5 MPa at 150° C. in the longitudinal and width directions of the film; and a heat shrinkage stress kick-off temperature of 110° C. or lower in at least one of the longitudinal and width directions of the film.Type: ApplicationFiled: March 13, 2013Publication date: March 5, 2015Inventors: Yuji Matsuo, Takayuki Uto, Syunichi Osada, Wataru Goda
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Publication number: 20140127485Abstract: A multilayer film includes 50 or more layers of each of two or more thermoplastic resins having different optical properties are alternately laminated with each other, wherein the average reflectance in a wavelength range of 900 to 1,200 nm is 70% or higher; both of the differences between the a* values (?a*) and between the b* values (?b*), respectively, of transmitted light incoming at an angle of 12° and of transmitted light incoming at an angle of 45° are 10 or less; and the multilayer film comprises a bandwidth of not less than 50 nm where the transmittance is 80% or lower in a wavelength range of 400 to 800 nm.Type: ApplicationFiled: June 22, 2012Publication date: May 8, 2014Applicant: TORAY INDUSTRIES, INC.Inventors: Takayuki Uto, Syunichi Osada, Wataru Gouda, Yuji Matsuo