Patents by Inventor Yukihiro Tao
Yukihiro Tao 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: 20210183943Abstract: A transparent display device includes a first transparent substrate, light-emitting units arranged on the first transparent substrate, and a wiring unit connected to each of the light-emitting units, wherein each of the light-emitting units includes a light-emitting diode having a surface area of 1 mm2 or less, and wherein a display region includes a heat dissipation promotion unit that promotes heat dissipation in the display region.Type: ApplicationFiled: March 2, 2021Publication date: June 17, 2021Applicant: AGC Inc.Inventors: Hiroyuki MORI, Yukihiro TAO
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Patent number: 11022873Abstract: A transparent screen includes a plurality of transparent plates arranged in a front-rear direction; and a screen main body, interposed between the transparent plates, configured to display video images projected from a front side or a rear side of the transparent screen to a user on the front side, and enable a rear background to be visually recognized by the user. In a cross section orthogonal to a part of an outer edge of the transparent screen, the transparent screen has a curved shape, and a length of a center line in a plate thickness direction of the transparent plate on an external side of the screen main body in a curvature radius direction of the curved shape is greater than a length of a center line of the transparent plate on an internal side of the screen main body.Type: GrantFiled: February 27, 2018Date of Patent: June 1, 2021Assignee: AGC Inc.Inventors: Ryuichi Shiraishi, Yuriko Kaida, Yoshinori Iguchi, Yukihiro Tao
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Publication number: 20210072632Abstract: There are provided a video projecting structure, which is capable of having not only transparency but also high visibility of a video, a process for producing the same, and a video display system including the video projection structure.Type: ApplicationFiled: October 16, 2020Publication date: March 11, 2021Applicant: AGC Inc.Inventors: Yukihiro TAO, Naruki YAMADA, Osamu IWATA, Yoshinori IGUCHI, Yusuke SATO, Yoko MITSUI, Tsuneo ICHIMATSU
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Patent number: 10852632Abstract: A transparent screen sheet that displays images projected from a front side of the transparent screen sheet and/or a rear side of the transparent screen sheet to a user on the front side, and causes the user on the front side to view a rear background behind the rear side. The transparent screen sheet includes an image display layer configured to display the images; and a resin film that holds the image display layer. A difference between a maximum value and a minimum value of retardations of the resin film measured by irradiating a main surface of the resin film with a light with a wavelength of 460 nm in a direction orthogonal to the main surface, within a region on the main surface that overlaps with the image display layer, is one fourth of the wavelength of the light or less.Type: GrantFiled: May 25, 2018Date of Patent: December 1, 2020Assignee: AGC Inc.Inventors: Yukihiro Tao, Kenta Sekikawa, Yuriko Kaida
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Publication number: 20200350361Abstract: A transparent display apparatus includes a first transparent substrate, light emitting units arranged for respective pixels on the first transparent substrate, and a strip unit connected to the light emitting units, wherein each of the light emitting units includes at least one light emitting diode having a size of area of 10,000 ?m2 or less, and a size of area having a transmittance of 20% or less accounts for 30% or less of a display area.Type: ApplicationFiled: July 15, 2020Publication date: November 5, 2020Applicant: AGC Inc.Inventors: Yukihiro TAO, Masahide KOGA, Remi KAWAKAMI
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Publication number: 20200271832Abstract: There is provided a transparent screen which is capable of separating a direction where a hot spot is observed and a direction where a bright video is allowed to be observed, and establishing a direction where a video is allowed to be wholly brightly observed.Type: ApplicationFiled: May 11, 2020Publication date: August 27, 2020Applicant: AGC Inc.Inventors: Naruki YAMADA, Yukihiro TAO, Tsuneo ICHIMATSU
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Patent number: 10732329Abstract: To provide an image projecting structure having a wide viewing angle and whereby the visibility of a projected image is high. The image projecting structure comprises a first transparent layer having irregularities formed on its surface, a reflective film formed on the surface on which the irregularities are formed, of the first transparent layer, and a second transparent layer formed on the reflective film, wherein the transmittance of visible light is from 5 to 95%; the value obtained by dividing the haze by the diffuse reflectance of visible light is at least 0.1 and at most 1; the vertical difference Sk in the core section defined by ISO 25178, of the surface on which the irregularities are formed, is at least 0.1 ?m; and the value obtained by dividing the shortest autocorrelation length Sal by the vertical difference Sk in the core section is at least 1.2 and at most 190.Type: GrantFiled: March 27, 2018Date of Patent: August 4, 2020Assignee: AGC Inc.Inventors: Yuko Tachibana, Yukihiro Tao, Kenta Sekikawa
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Publication number: 20200233297Abstract: A transparent screen, wherein a direction normal to a reference surface is defined as a first direction, a direction which is perpendicular to the first direction and in which each reflective inclined surface extends as seen from the first direction is defined as a second direction, and a direction which is perpendicular to the first direction and the second direction and in which the reflective inclined surfaces are arranged side by side is defined as a third direction, and in at least a part of an image projection area, to which the image is projected, in a section perpendicular to the second direction, the reflective inclined surfaces are formed so that inclination angles of the reflective inclined surfaces, measured on a per-respective reflective inclined surface basis, decrease, in a stepwise manner or continuously, away from one end in the third direction toward another end in the third direction.Type: ApplicationFiled: April 1, 2020Publication date: July 23, 2020Applicant: AGC Inc.Inventors: Naruki Yamada, Yukihiro Tao, Tsuneo Ichimatsu, Yusuke Sato
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Publication number: 20200114735Abstract: A vehicular laminated glass in which a plurality of glass plates and an intermediate film disposed between the plurality of glass plates are stacked. The vehicular laminated glass includes a first region having a colored layer disposed along an upper edge of the vehicular laminated glass with reference to an orientation of a vehicle to which the vehicular laminated glass is attached, and a second region disposed lower than the first region. The first region includes a region A having a light scattering layer and a region B not having the light scattering layer. In the region A, a visible light transmittance is 0.7% to 32%, a visible light reflectance is 0.5% to 10%, a vehicle-inner side visible light diffuse reflectance is 3% to 45%, and the light scattering layer is arranged at a vehicle-inner side relative to the colored layer.Type: ApplicationFiled: December 9, 2019Publication date: April 16, 2020Applicant: AGC Inc.Inventors: Yukihiro Tao, Reo Usui
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Patent number: 10409150Abstract: An image projection structure includes a first transparent layer having an irregular surface; a reflection layer arranged on the irregular surface of the first transparent layer; an adhesion layer arranged on the reflection surface; and a second transparent layer arranged on the adhesion layer. The adhesion layer is configured of linear polymers with a mold shrinkage factor of less than 3%. The second transparent layer is configured of a resin having a cross-linking structure.Type: GrantFiled: November 8, 2018Date of Patent: September 10, 2019Assignee: AGC Inc.Inventors: Yoko Mitsui, Yukihiro Tao, Hitoshi Tsuchiya, Yasushi Kawamoto, Atsushi Komori
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Publication number: 20190107653Abstract: A screen as a transparent screen has an anisotropy. The screen has a first scattering layer disposed on a side of a first surface thereof and exhibiting scattering. The screen has a second scattering layer disposed on a side of a second surface thereof as a rear side of the first surface. When the screen is disposed so as to be directed perpendicularly and exhibit the anisotropy in upward and downward directions, light entering into a surface of the second scattering layer facing the first surface from an upward direction is scattered more strongly than light entering into the surface of the second scattering layer facing the first surface from a lateral direction in the second scattering layer.Type: ApplicationFiled: September 13, 2018Publication date: April 11, 2019Applicant: AGC INC.Inventors: Yukihiro TAO, Satoshi Kondo
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Publication number: 20190079379Abstract: An image projection structure includes a first transparent layer having an irregular surface; a reflection layer arranged on the irregular surface of the first transparent layer; an adhesion layer arranged on the reflection surface; and a second transparent layer arranged on the adhesion layer. The adhesion layer is configured of linear polymers with a mold shrinkage factor of less than 3%. The second transparent layer is configured of a resin having a cross-linking structure.Type: ApplicationFiled: November 8, 2018Publication date: March 14, 2019Applicant: AGC Inc.Inventors: Yoko MITSUI, Yukihiro TAO, Hitoshi TSUCHIYA, Yasushi KAWAMOTO, Atsushi KOMORI
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Publication number: 20180292587Abstract: A reflective transparent screen (1) capable of displaying an image light projected from a projector as an image to an observer who is on the same side as the projector, is provided with two transparent substrates and a metal thin film (23) sandwiched therebetween, wherein the color tone of the image light reflected from the metal thin film (23) or the image visibility is improved by adjusting the metallic composition of the metal thin film (23).Type: ApplicationFiled: June 7, 2018Publication date: October 11, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yasushi KAWAMOTO, Yukihiro TAO, Yoko MITSUI, Yuko TACHIBANA, Kenta SEKIKAWA
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Publication number: 20180275505Abstract: A transparent screen sheet that displays images projected from a front side of the transparent screen sheet and/or a rear side of the transparent screen sheet to a user on the front side, and causes the user on the front side to view a rear background behind the rear side. The transparent screen sheet includes an image display layer configured to display the images; and a resin film that holds the image display layer. A difference between a maximum value and a minimum value of retardations of the resin film measured by irradiating a main surface of the resin film with a light with a wavelength of 460 nm in a direction orthogonal to the main surface, within a region on the main surface that overlaps with the image display layer, is one fourth of the wavelength of the light or less.Type: ApplicationFiled: May 25, 2018Publication date: September 27, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yukihiro TAO, Kenta Sekikawa, Yuriko Kaida
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Publication number: 20180239066Abstract: To provide an image projecting structure having a wide viewing angle and whereby the visibility of a projected image is high. The image projecting structure comprises a first transparent layer having irregularities formed on its surface, a reflective film formed on the surface on which the irregularities are formed, of the first transparent layer, and a second transparent layer formed on the reflective film, wherein the transmittance of visible light is from 5 to 95%; the value obtained by dividing the haze by the diffuse reflectance of visible light is at least 0.1 and at most 1; the vertical difference Sk in the core section defined by ISO 25178, of the surface on which the irregularities are formed, is at least 0.1 ?m; and the value obtained by dividing the shortest autocorrelation length Sal by the vertical difference Sk in the core section is at least 1.2 and at most 190.Type: ApplicationFiled: March 27, 2018Publication date: August 23, 2018Applicant: Asahi Glass Company, LimitedInventors: Yuko TACHIBANA, Yukihiro Tao, Kenta Sekikawa
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Publication number: 20180188643Abstract: A transparent screen includes a plurality of transparent plates arranged in a front-rear direction; and a screen main body, interposed between the transparent plates, configured to display video images projected from a front side or a rear side of the transparent screen to a user on the front side, and enable a rear background to be visually recognized by the user. In a cross section orthogonal to a part of an outer edge of the transparent screen, the transparent screen has a curved shape, and a length of a center line in a plate thickness direction of the transparent plate on an external side of the screen main body in a curvature radius direction of the curved shape is greater than a length of a center line of the transparent plate on an internal side of the screen main body.Type: ApplicationFiled: February 27, 2018Publication date: July 5, 2018Applicant: Asahi Glass Company, LimitedInventors: Ryuichi SHIRAISHI, Yuriko KAIDA, Yoshinori IGUCHI, Yukihiro TAO
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Patent number: 9952494Abstract: A video projecting structure includes a substrate having a visible light transmittance greater than or equal to 5% and less than or equal to 90%, a reflectivity greater than or equal to 5% and less than or equal to 90%, and a front haze less than or equal to 30.Type: GrantFiled: December 1, 2016Date of Patent: April 24, 2018Assignee: Asahi Glass Company, LimitedInventors: Yukihiro Tao, Kenta Sekikawa, Hitoshi Tsujimura, Kenichi Ebata, Yuriko Kaida
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Patent number: 9946147Abstract: To provide a transmission-type transparent screen which is excellent in the see-through property for a scene on the other side of the transparent screen as viewed from an observer in a state where no image-forming light is projected from a projector and which is excellent in visibility of an image displayed on the transparent screen as viewed from the observer in a state where image-forming light is projected from the projector, as well as an image display system and an image display method, employing the transparent screen. A transmission-type transparent screen 1 which has a first surface A and a second surface B on the opposite side thereof and which has a light scattering layer 34 comprising a transparent resin 32 and a light scattering material 33, wherein the light scattering layer 34 further contains a light absorbing material, the haze is from 3 to 30%, the total light transmittance is from 15 to 95%, and the diffuse reflectance is from 0.1 to 2.4%.Type: GrantFiled: April 4, 2017Date of Patent: April 17, 2018Assignee: Asahi Glass Company, LimitedInventors: Masamichi Ide, Yukihiro Tao, Kenta Sekikawa, Hitoshi Tsujimura, Yuriko Kaida
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Patent number: 9921371Abstract: A light guide element includes a light-guiding substrate and a diffraction part formed on a surface of the light-guiding substrate. The diffraction part includes an optical layer capable of exerting a diffractive action. The distance from the light-guiding substrate to a surface of the optical layer is equal to or less than 10% of a thickness of the light-guiding substrate. The light guide element satisfies |?D|?0.15 mm, where ?D is an amount of a change in D with the temperature change ?T, D [mm] is a distance, at the temperature T (° C.), between the center of the diffraction part and a position predetermined as a position where the ray of light comes out of the light-guiding substrate in a direction horizontal with respect to the light-guiding substrate, and ?T is a temperature change.Type: GrantFiled: August 11, 2016Date of Patent: March 20, 2018Assignee: ASAHI GLASS COMPANY, LIMITEDInventors: Koji Miyasaka, Yukihiro Tao, Kosuke Takayama
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Patent number: 9921463Abstract: A video projecting structure includes a substrate having a visible light transmittance greater than or equal to 5% and less than or equal to 90%, a front haze greater than or equal to 4 and less than or equal to 40, and a rear haze greater than or equal to 0 and less than or equal to 60. In a case where light is incident on a surface of the substrate at an angle of 45°, an intensity of a backward scattering light is lower than an intensity of a frontward scattering light.Type: GrantFiled: November 25, 2016Date of Patent: March 20, 2018Assignee: Asahi Glass Company, LimitedInventors: Yukihiro Tao, Kenta Sekikawa, Hitoshi Tsujimura, Kenichi Ebata, Yuriko Kaida