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).

  • Patent number: 11531147
    Abstract: 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: Grant
    Filed: May 11, 2020
    Date of Patent: December 20, 2022
    Assignee: AGC Inc.
    Inventors: Naruki Yamada, Yukihiro Tao, Tsuneo Ichimatsu
  • Patent number: 11480864
    Abstract: A reflective transparent screen exhibiting high brightness over a wide region in the screen although with a narrow viewing angle, and an image display system is provided. The reflective transparent screen has a first transparent layer 32 having an irregular surface, a reflective layer 40 formed on the irregular surface, and a second transparent layer 52 formed on the irregular surface on which the reflective layer 40 is formed so as to fill irregularities. The irregular surface of the first transparent layer 32 has a slant angle in a first direction being within a range of from ?44? to +44?, and a slant angle in a second direction perpendicular to the first direction being within a range of from ?44? to +44?.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: October 25, 2022
    Assignee: AGC Inc.
    Inventors: Naruki Yamada, Yukihiro Tao
  • Patent number: 11385534
    Abstract: 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: Grant
    Filed: April 8, 2021
    Date of Patent: July 12, 2022
    Assignee: AGC Inc.
    Inventors: Ryuichi Shiraishi, Yuriko Kaida, Yoshinori Iguchi, Yukihiro Tao
  • Publication number: 20220171273
    Abstract: The visibility of the external scene from the inside of the transmissive transparent screen when the video image is not displayed and the visibility of the video image from the outside when the video image is displayed are satisfied. In a video image display system comprising a projection device 100 and a transmissive transparent screen 1 having a first surface and a second surface on the opposite side of the first surface, having a visible light transmittance of at least 5[%], and displaying video images projected from the projection device 100 installed on the first surface side, as video images visible to an observer on the second surface side, the following formula 1 is satisfied: ?1.5?ln(((B/A)/I)×G)?3.9??Formula 1 in the formula 1, A is the projection area [m2] of the projection device 100, B is the luminous flux [lm] projected onto A by the projection device 100, I is the ambient illuminance [lx] at the side of the second surface, and G is the screen gain of the transparent screen 1.
    Type: Application
    Filed: January 24, 2022
    Publication date: June 2, 2022
    Applicant: AGC Inc.
    Inventors: Hideaki HAYASHI, Yoshinori IGUCHI, Yukihiro TAO
  • Publication number: 20220131026
    Abstract: One embodiment of the present invention is a transparent sensing device comprising: a transparent substrate; a microsensor arranged on the transparent substrate and having an area of 250,000 ?m2 or less; a plurality of wirings connected to the microsensor; and a sealing layer covering the microsensor arranged on the transparent substrate and the plurality of wirings. The sealing layer is a transparent resin having a water absorption rate of 1% or less after curing. Therefore, it is possible to provide a transparent sensing device in which migration of wirings is suppressed and which has excellent reliability.
    Type: Application
    Filed: January 11, 2022
    Publication date: April 28, 2022
    Applicant: AGC Inc.
    Inventors: Masahide KOGA, Yukihiro TAO, Yoko MITSUI
  • Publication number: 20220051643
    Abstract: A display-system includes a transparent-display-body having a first-surface and a second-surface opposite to the first-surface, a sensor to detect a brightness of the transparent-display-body or a brightness around the transparent-display-body, an arithmetic-unit configured to derive, based on the brightness detected by the sensor, a background luminance caused by outside-light as when the transparent-display-body is viewed from a side of the second-surface, and a controller to cause video to be displayed on the first-surface, wherein where rear-show-through-luminance that is a luminance of the video that occurs on the side of the second-surface is denoted as BB and the background luminance is denoted as SB, the controller controls a video luminance in accordance with the background luminance derived by the arithmetic-unit such that (BB/SB) is less than or equal to a predetermined-contrast-value, the video luminance being a luminance at which the video is to be displayed on the first-surface.
    Type: Application
    Filed: October 29, 2021
    Publication date: February 17, 2022
    Applicant: AGC Inc.
    Inventors: Naruki YAMADA, Yukihiro TAO, Yoshinori IGUCHI, Osamu IWATA
  • Publication number: 20210316535
    Abstract: A transparent display device includes a transparent substrate, a film provided on the transparent substrate via an adhesive layer, and a plurality of light-emitting units provided on the film, wherein each of the light-emitting units includes a light-emitting diode having a surface area of 1 mm2 or less, a thickness of the film is 2 ?m or more and 400 ?m or less, a value obtained by multiplying a tensile strength of the film by the thickness is 5×102 (Pa·m) or more, and a transmittance of visible light is 20% or more.
    Type: Application
    Filed: June 25, 2021
    Publication date: October 14, 2021
    Applicant: AGC Inc.
    Inventors: Ryo EGUCHI, Masahide KOGA, Yoko MITSUI, Yukihiro TAO
  • Publication number: 20210276307
    Abstract: To provide a functional film with which a functional laminated glass excellent in adhesion between layers can be obtained, and a functional laminated glass excellent in adhesion between layers. A functional film (transmission image display film 10) comprising a substrate film (transparent film 11) and a functional layer (light scattering layer 12) containing an organic material, which has a deposited layer (first deposited layer 13, second deposited layer 14, third deposited layer 15) formed of an inorganic oxide having an isoelectric point of at most 6 or at least 7.4 as measured by streaming potential method, either one of or both on the outermost surface of the functional film and between the substrate film and the functional layer.
    Type: Application
    Filed: May 25, 2021
    Publication date: September 9, 2021
    Applicant: AGC Inc.
    Inventors: Yoshinori IGUCHI, Yukihiro TAO, Yoko MITSUI
  • Patent number: 11106125
    Abstract: 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: Grant
    Filed: April 1, 2020
    Date of Patent: August 31, 2021
    Assignee: AGC Inc.
    Inventors: Naruki Yamada, Yukihiro Tao, Tsuneo Ichimatsu, Yusuke Sato
  • Publication number: 20210240068
    Abstract: To provide a reflective transparent screen exhibiting high brightness over a wide region in the screen although with a narrow viewing angle, and an image display system. A reflective transparent screen comprising: a first transparent layer 32 having an irregular surface, a reflective layer 40 formed on the irregular surface, and a second transparent layer 52 formed on the irregular surface on which the reflective layer 40 is formed, so as to fill irregularities, the irregular surface of the first transparent layer 32 having a slant angle in a first direction being within a range of from ?44° to +44°, and a slant angle in a second direction perpendicular to the first direction being within a range of from ?44° to +44°.
    Type: Application
    Filed: April 23, 2021
    Publication date: August 5, 2021
    Applicant: AGC Inc.
    Inventors: Naruki YAMADA, Yukihiro TAO
  • Publication number: 20210223676
    Abstract: 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: Application
    Filed: April 8, 2021
    Publication date: July 22, 2021
    Applicant: AGC Inc.
    Inventors: Ryuichi SHIRAISHI, Yuriko KAIDA, Yoshinori IGUCHI, Yukihiro TAO
  • Patent number: 11054559
    Abstract: 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: Grant
    Filed: June 7, 2018
    Date of Patent: July 6, 2021
    Assignee: AGC Inc.
    Inventors: Yasushi Kawamoto, Yukihiro Tao, Yoko Mitsui, Yuko Tachibana, Kenta Sekikawa
  • Patent number: 11046154
    Abstract: 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: Grant
    Filed: December 9, 2019
    Date of Patent: June 29, 2021
    Assignee: AGC Inc.
    Inventors: Yukihiro Tao, Reo Usui
  • Publication number: 20210183943
    Abstract: 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: Application
    Filed: March 2, 2021
    Publication date: June 17, 2021
    Applicant: AGC Inc.
    Inventors: Hiroyuki MORI, Yukihiro TAO
  • Patent number: 11022873
    Abstract: 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: Grant
    Filed: February 27, 2018
    Date of Patent: June 1, 2021
    Assignee: AGC Inc.
    Inventors: Ryuichi Shiraishi, Yuriko Kaida, Yoshinori Iguchi, Yukihiro Tao
  • Publication number: 20210072632
    Abstract: 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: Application
    Filed: October 16, 2020
    Publication date: March 11, 2021
    Applicant: AGC Inc.
    Inventors: Yukihiro TAO, Naruki YAMADA, Osamu IWATA, Yoshinori IGUCHI, Yusuke SATO, Yoko MITSUI, Tsuneo ICHIMATSU
  • Patent number: 10852632
    Abstract: 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: Grant
    Filed: May 25, 2018
    Date of Patent: December 1, 2020
    Assignee: AGC Inc.
    Inventors: Yukihiro Tao, Kenta Sekikawa, Yuriko Kaida
  • Publication number: 20200350361
    Abstract: 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: Application
    Filed: July 15, 2020
    Publication date: November 5, 2020
    Applicant: AGC Inc.
    Inventors: Yukihiro TAO, Masahide KOGA, Remi KAWAKAMI
  • Publication number: 20200271832
    Abstract: 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: Application
    Filed: May 11, 2020
    Publication date: August 27, 2020
    Applicant: AGC Inc.
    Inventors: Naruki YAMADA, Yukihiro TAO, Tsuneo ICHIMATSU
  • Patent number: 10732329
    Abstract: 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: Grant
    Filed: March 27, 2018
    Date of Patent: August 4, 2020
    Assignee: AGC Inc.
    Inventors: Yuko Tachibana, Yukihiro Tao, Kenta Sekikawa