Patents by Inventor Hideomi Yui

Hideomi Yui 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).

  • Publication number: 20220136679
    Abstract: Improvement of the luminous efficiency of a fluorescent layer is achieved. A wavelength conversion element is provided that converts incident, light from a wavelength range thereof to another wavelength range, the wavelength conversion element including a fluorescent layer including first particles and second particles dispersed in a first binder, the second particles being smaller than the first particles, wherein the first particles fluoresce under light having the wavelength of the incident light, and the first binder accounts for from 10% inclusive to 50% exclusive by volume of a particle group including the first particles and the second particles in the fluorescent layer.
    Type: Application
    Filed: January 31, 2020
    Publication date: May 5, 2022
    Inventors: TORU KANNO, HIROKAZU ICHINOSE, HIDEOMI YUI
  • Publication number: 20210372593
    Abstract: Provided is compatibility between adhesion to a substrate (lower layer) and durability improvement. An optical element includes a phosphor layer facing a lower layer, and a bonding layer keeping the phosphor layer in intimate contact with the lower layer. The phosphor layer includes an inorganic binder, and phosphor particle dispersed with the inorganic binder. The bonding layer includes an organic binder. The phosphor layer has a first surface facing the lower layer, a second surface opposite to the first surface, and a side surface connecting the first and second surfaces together. The bonding layer connects together the second surface, the side surface, and a surface of the lower layer to keep the phosphor layer in intimate contact with the lower layer.
    Type: Application
    Filed: October 17, 2019
    Publication date: December 2, 2021
    Inventors: HIDEOMI YUI, SHIGERU AOMORI, TSUYOSHI KAMADA, HIDETSUGU MATSUKIYO, TORU KANNO, HIROKAZU ICHINOSE
  • Publication number: 20210222849
    Abstract: Energy density of excitation light for irradiation is adjusted to achieve an improvement in fluorescent light emission intensity. An optical element includes a phosphor layer configured to emit fluorescent light by being excited by excitation light emitted from a light source, the phosphor layer has a first surface to be irradiated with the excitation light, an excitation light irradiation region of the first surface includes a first region and a second region, the first region is processed beforehand to be set at an angle that is not perpendicular to a propagation direction of the excitation light, and the first region and the second region are non-parallel to each other.
    Type: Application
    Filed: May 31, 2019
    Publication date: July 22, 2021
    Inventors: HIDEOMI YUI, SHIGERU AOMORI, MUTSUKO YAMAMOTO, TORU KANNO, TOMOKO UEKI
  • Patent number: 10989996
    Abstract: A light source device that radiates excitation light or emitted light by the excitation light, includes: an excitation light source that radiates the excitation light; a fluorescent wheel that includes a phosphor, which emits light in a predetermined wavelength range on reception of the excitation light, in a circumferential direction; a driving device that rotates the fluorescent wheel; and a shielding member that is arranged around the excitation light source and the fluorescent wheel and shields the excitation light and the emitted light, wherein an opening through which outside air is introduced is provided at a part of the shielding member.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: April 27, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hideomi Yui, Shigeru Aomori, Hidetsugu Matsukiyo
  • Publication number: 20210102426
    Abstract: The present invention, in an aspect thereof, is directed to a daylighting device including: a daylighting sheet including: a transparent base member; and a plurality of transparent daylighting sections on a first face of the base member; and at least one hollow structural body composed of a resin provided on a second face of the base member opposite the first face, the at least one hollow structural body including: a transparent, first plate section; a transparent, second plate section opposing the first plate section; a plurality of structural bodies extending in a direction of alignment of the daylighting sections between the first plate section and the second plate section and arranged at prescribed intervals in a direction of extension of the daylighting sections; and hollow portions between the structural bodies.
    Type: Application
    Filed: August 4, 2017
    Publication date: April 8, 2021
    Inventors: SHUMPEI NISHINAKA, TORU KANNO, HIDEOMI YUI, DAISUKE SHINOZAKI, SHUN UEKI, TSUYOSHI KAMADA
  • Patent number: 10920139
    Abstract: A phosphor layer composition, phosphor member, light source device, and projection device are provided that are capable of restraining reflection or scattering at interfaces between phosphor particles and a binder to improve the excitation-light absorption by, and the external quantum efficiency of, the phosphor particles. The present invention, in an aspect thereof, is directed to a phosphor layer composition including: phosphor particles 111 absorbing excitation light and emitting prescribed fluorescence; and a binder 112 composed of a translucent gel containing a metal alkoxide or a mixture of a metal alkoxide and a metal oxide, wherein the phosphor particles 111 are dispersed in the binder 112, and the phosphor particles 111 and the binder 112 differ in refractive index by 0.3 or less.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: February 16, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shigeru Aomori, Hideomi Yui, Mutsuko Yamamoto, Hidetsugu Matsukiyo
  • Patent number: 10882223
    Abstract: A daylighting device according to an aspect of the invention includes at least a daylighting film that includes a base having optical transparency and daylighting portions having optical transparency and provided on one surface of the base. Each of the daylighting portions has a reflective surface by which light incident on the daylighting portion is reflected and the light reflected by the reflective surface and output from a second surface of the base has a characteristic that the light travels toward a space on a side where the light is incident on the reflective surface, the space being one of two spaces divided by a virtual plane as a boundary which is vertical to the second surface of the first substrate and parallel to a direction of the daylighting portion extending, and intervals s between adjacent daylighting portions are set to various values.
    Type: Grant
    Filed: July 4, 2017
    Date of Patent: January 5, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tomoko Ueki, Yusuke Tsuda, Tsuyoshi Kamada, Hideomi Yui, Shun Ueki, Masahiro Tsujimoto
  • Publication number: 20200355992
    Abstract: A light source device that radiates excitation light or emitted light by the excitation light, includes: an excitation light source that radiates the excitation light; a fluorescent wheel that includes a phosphor, which emits light in a predetermined wavelength range on reception of the excitation light, in a circumferential direction; a driving device that rotates the fluorescent wheel; and a shielding member that is arranged around the excitation light source and the fluorescent wheel and shields the excitation light and the emitted light, wherein an opening through which outside air is introduced is provided at a part of the shielding member.
    Type: Application
    Filed: November 9, 2018
    Publication date: November 12, 2020
    Inventors: HIDEOMI YUI, SHIGERU AOMORI, HIDETSUGU MATSUKIYO
  • Publication number: 20200309337
    Abstract: A daylighting device according to an aspect of the present invention is a daylighting device for a building construction including an eaves that blocks solar radiation on an outer side of a window. The daylighting device includes a daylighting member and a support member. The daylighting member includes a first base member that is light transmissive, a plurality of daylighting portions that are light transmissive and disposed on a first surface of the first base member, and a gap portion disposed between the plurality of daylighting portions. The support member supports the daylighting member. The daylighting device changes an orientation of light incident thereon and causes the light to emit to a space shaded by the eaves.
    Type: Application
    Filed: June 30, 2017
    Publication date: October 1, 2020
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: HIDEOMI YUI, TSUYOSHI KAMADA, SHUN UEKI, DAISUKE SHINOZAKI
  • Patent number: 10746363
    Abstract: Provided is a daylighting film (10) including: a base (11) having light-transmissive performance; a plurality of first protrusion portions (12) that have light-transmissive performance and are provided to be adjacent to each other on one surface (11a) of the base (11); a gap portion (13) provided between the first protrusion portions (12); and at least one second protrusion portion (14) that is provided in at least one gap portion (13) to be adjacent to the first protrusion portions (12) on the one surface (11a) of the base (11) and that is formed of the same material as that of the first protrusion portions (12), in which a height of the second protrusion portion (14) from the one surface (11a) of the base (11) is smaller than a height of each of the first protrusion portions (12) from the one surface (11a) of the base (11).
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: August 18, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tomoko Ueki, Tsuyoshi Kamada, Shun Ueki, Hideomi Yui
  • Publication number: 20200239770
    Abstract: A phosphor layer composition, phosphor member, light source device, and projection device are provided that are capable of restraining reflection or scattering at interfaces between phosphor particles and a binder to improve the excitation-light absorption by, and the external quantum efficiency of, the phosphor particles. The present invention, in an aspect thereof, is directed to a phosphor layer composition including: phosphor particles 111 absorbing excitation light and emitting prescribed fluorescence; and a binder 112 composed of a translucent gel containing a metal alkoxide or a mixture of a metal alkoxide and a metal oxide, wherein the phosphor particles 111 are dispersed in the binder 112, and the phosphor particles 111 and the binder 112 differ in refractive index by 0.3 or less.
    Type: Application
    Filed: June 22, 2018
    Publication date: July 30, 2020
    Inventors: SHIGERU AOMORI, HIDEOMI YUI, MUTSUKO YAMAMOTO, HIDETSUGU MATSUKIYO
  • Publication number: 20200180194
    Abstract: A daylighting device according to an aspect of the invention includes at least a daylighting film that includes a base having optical transparency and daylighting portions having optical transparency and provided on one surface of the base. Each of the daylighting portions has a reflective surface by which light incident on the daylighting portion is reflected and the light reflected by the reflective surface and output from a second surface of the base has a characteristic that the light travels toward a space on a side where the light is incident on the reflective surface, the space being one of two spaces divided by a virtual plane as a boundary which is vertical to the second surface of the first substrate and parallel to a direction of the daylighting portion extending, and intervals s between adjacent daylighting portions are set to various values.
    Type: Application
    Filed: July 4, 2017
    Publication date: June 11, 2020
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: TOMOKO UEKI, YUSUKE TSUDA, TSUYOSHI KAMADA, HIDEOMI YUI, SHUN UEKI, MASAHIRO TSUJIMOTO
  • Publication number: 20200096167
    Abstract: A light-diffusion member includes a plurality of cylindrical lenses arrayed in a prescribed direction, wherein the cylindrical lenses are arrayed in a first direction and extended in a second direction that is perpendicular to the first direction, the cylindrical lenses each have a curved lens surface, and the lens surface has a height that continuously changes with a prescribed period in a cross-section of the cylindrical lens taken along a second imaginary plane that is perpendicular to a first imaginary plane containing both the first direction and the second direction and that is parallel to the second direction.
    Type: Application
    Filed: December 21, 2017
    Publication date: March 26, 2020
    Inventors: YASUSHI ASAOKA, TORU KANNO, HIDEOMI YUI
  • Patent number: 10520151
    Abstract: A daylighting apparatus of the present invention includes: a daylighting sheet (13) that has first and second surfaces opposite to each other and that lets light in through the first surface and lets the light out through the second surface at a predetermined distribution of angles; and a visible light-reflecting sheet (15) that reflects part of visible light falling on the first surface of the daylighting sheet (13).
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: December 31, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shun Ueki, Shumpei Nishinaka, Toru Kanno, Daisuke Shinozaki, Hideomi Yui, Tomoko Ueki, Tsuyoshi Kamada
  • Patent number: 10480736
    Abstract: A daylighting system (10) to be installed over an interior face (1001a) of a window pane (1001), the daylighting system (10) including: a light-transmitting device (20) to be disposed over an upper part of the interior face (1001a) of the window pane (1001); and a shading device (30) joined to the light-transmitting device (20) in such a manner as to be disposed over a lower part of the interior face (1001a) of the window pane (1001).
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: November 19, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shumpei Nishinaka, Shun Ueki, Toru Kanno, Daisuke Shinozaki, Hideomi Yui, Tomoko Ueki, Tsuyoshi Kamada, Atsuyuki Hoshino
  • Patent number: 10393333
    Abstract: There is provided a daylighting device (10) installed to face window glass and including a daylighting member (40) having a light-transmissive base member and a plurality of light-transmissive daylighting units disposed adjacent to each other on at least one surface of the base member, and the daylighting member (40) includes a movable unit that moves such that the one surface of the base member follows a movement of the sun to turn toward an orientation of the sun.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: August 27, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hideomi Yui, Tsuyoshi Kamada, Toru Kanno, Shun Ueki, Tomoko Ueki
  • Patent number: 10393334
    Abstract: A daylighting film (1) according to an aspect of the invention includes a first base (2), a plurality of daylighting portions (3) constituted by a plurality of polygonal prism structures, and gaps (9) provided between the plurality of daylighting portions (3). Each of the daylighting portions (3) is a polygon that has four vertexes in a sectional shape orthogonal to a longitudinal direction and has all interior angles less than 180°, and has a first side that is a side of the polygon corresponding to a surface in contact with the first base (2) and a plurality of vertexes including a first vertex and a second vertex that are vertexes corresponding to both ends of the first side, and a third vertex that is not positioned on the first side.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: August 27, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tomoko Ueki, Hideomi Yui, Shun Ueki, Tsuyoshi Kamada
  • Patent number: 10385608
    Abstract: A daylighting device of the present invention includes: a daylighting member including: a first light-transmitting base member; and a plurality of protruding, light-transmitting daylighting sections provided on a first face or a second face of the first light-transmitting base member; and a ventilation hole configured to enable a space on the first face to communicate with a space on the second face opposite from the first face.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: August 20, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Toru Kanno, Tsuyoshi Kamada, Shun Ueki, Shumpei Nishinaka, Hideomi Yui, Daisuke Shinozaki, Tomoko Ueki
  • Publication number: 20190041017
    Abstract: A daylighting blind according to an aspect of the invention includes: a plurality of slats; and a support mechanism that interconnects the plurality of slats, a longitudinal direction of which is oriented in a horizontal direction, and supports the plurality of slats suspended in a vertical direction. At a boundary between a daylighting slat group composed of a plurality of daylighting slats in an upper position in the vertical direction and a light-shielding slat group composed of a plurality of light-shielding slats in a lower position in the vertical direction, the daylighting slats and the light-shielding slats are arranged consecutively. The support mechanism includes a lifting/lowering member that causes the daylighting slat group to be stored or extend independently.
    Type: Application
    Filed: January 25, 2017
    Publication date: February 7, 2019
    Inventors: HIDEOMI YUI, TSUYOSHI KAMADA, MASAHIRO TSUJIMOTO
  • Patent number: 10168569
    Abstract: A light-diffusion member (7) includes: a substrate (39) having light-transmitting properties; a light-diffusion portion (40) on a face of the substrate (39) facing a display medium (6); and a light-blocking layer (41) on a part of the face of the substrate (39) facing the display medium (6) other than where the light-diffusion portion (40) is provided. The light-diffusion portion (40) includes: a light-emitting end face (40a) in contact with the substrate (39); and a light-incident end face (40b) facing, and being larger in area than, the light-emitting end face (40a). The adhesive layer (42) adheres to light-incident end face (40a) and partly (42a) encroaches into a space (43) between the light-diffusion portion (40) and light-blocking layer (41).
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: January 1, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shohei Katsuta, Yasushi Asaoka, Sho Ochi, Hideomi Yui, Tsuyoshi Maeda, Emi Yamamoto