Patents by Inventor Tsuyoshi Kamada

Tsuyoshi Kamada 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: 10222016
    Abstract: A daylighting member includes a first daylighting section and a second daylighting section having different daylighting properties from the first daylighting section. The first daylighting section includes an optically transparent first substrate and a plurality of optically transparent daylighting portions provided on a first surface of the first substrate. The first daylighting section diffuses incoming light in a desired direction and emits the incoming light. The second daylighting section diffuses and emits the incoming light. The first daylighting section and the second daylighting section are placed side by side in a direction intersecting a direction in which the daylighting portions extend.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: March 5, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masahiro Tsujimoto, Tsuyoshi Kamada
  • 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: 10162214
    Abstract: A liquid crystal display device according to one aspect of the present invention includes a liquid crystal panel of a vertical alignment mode, and an optical control member disposed on a light-exiting side of the liquid crystal panel. The liquid crystal panel includes a plurality of pixels having at least two domains (50a, 50b), in which directors of liquid crystal molecules are in a first direction. An absorption axis of a first polarizing sheet and an absorption axis of a second polarizing sheet are a mutually orthogonal and form angle that is approximately 45°. The optical control member includes a base, a light diffusion part, a light blocking layer and a low refractive index part.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: December 25, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shohei Katsuta, Yasushi Asaoka, Sho Ochi, Emi Yamamoto, Hideomi Yui, Tsuyoshi Maeda, Tsuyoshi Kamada, Yuhsuke Tsuda, Katsumi Kondoh
  • Publication number: 20180356059
    Abstract: A daylighting system (1) according to one aspect of the invention includes a daylighting apparatus (2) and an artificial light source apparatus (3) that emits light toward the daylighting apparatus (2). The daylighting apparatus (2) includes a base material (4) having light transmission property, and a plurality of daylighting portions (5) that are provided on a first surface of the base material (4), have light transmission properties and reflect light incident from a light incident end surface on a reflection surface. The artificial light source apparatus (3) emits at least light that enters the daylighting portions (5) from the light incident end surface and travels toward the reflection surface.
    Type: Application
    Filed: August 31, 2016
    Publication date: December 13, 2018
    Inventors: SHUN UEKI, SHUMPEI NISHINAKA, TSUYOSHI KAMADA, MASAHIRO TSUJIMOTO, HIDEOMI YUI, DAISUKE SHINOZAKI
  • Publication number: 20180348412
    Abstract: Provided is a display device including a substrate that has light transmissivity, a plurality of light shielding layers that is formed at a recurring period on one face of the substrate, and a light-diffusing unit that is formed in an area of the one face of the substrate except for the area where the light shielding layers are formed, in which the light-diffusing unit includes a light emitting end face on the substrate side and includes a light incident end face having an area larger than the area of the light emitting end face on the side opposite to the substrate side, the height of the light-diffusing unit from the light incident end face to the light emitting end face is greater than the thickness of the light shielding layer, and the periodic direction at which the light shielding layers are recurrently formed is non-parallel to the direction of a pixel pitch of a display body.
    Type: Application
    Filed: July 23, 2018
    Publication date: December 6, 2018
    Inventors: Yasushi ASAOKA, Shohei KATSUTA, Tsuyoshi MAEDA, Tsuyoshi KAMADA
  • Publication number: 20180313141
    Abstract: A daylighting device according to an aspect of the present invention includes a daylighting member and a support unit, disposed on an interior side of a window glass to support the daylighting member. The support unit includes an adjusting mechanism that adjusts a position of the daylighting member relative to the window glass.
    Type: Application
    Filed: November 2, 2016
    Publication date: November 1, 2018
    Inventors: SHUMPEI NISHINAKA, SHUN UEKI, TORU KANNO, DAISUKE SHINOZAKI, HIDEOMI YUI, TSUYOSHI KAMADA
  • Publication number: 20180291681
    Abstract: A daylighting member according to an aspect of the present invention includes a plurality of substrates having a light transmitting property; a plurality of daylighting portions having a light transmitting property, the plurality of daylighting portions extending linearly on a first surface of each of the substrates and extending in different directions on different substrates; and a gap portion provided between the plurality of daylighting portions. The plurality of substrates include at least a first substrate or a second substrate, the first substrate having a first daylighting portion inclined at an angle ?1 relative to an edge side of the substrate, the second substrate having a second daylighting portion inclined at an angle ?2 relative to the edge side.
    Type: Application
    Filed: October 6, 2016
    Publication date: October 11, 2018
    Inventors: TORU KANNO, SHUMPEI NISHINAKA, DAISUKE SHINOZAKI, SHUN UEKI, TSUYOSHI KAMADA
  • Patent number: 10067272
    Abstract: Provided is a display device including a substrate that has light transmissivity, a plurality of light shielding layers that is formed at a recurring period on one face of the substrate, and a light-diffusing unit that is formed in an area of the one face of the substrate except for the area where the light shielding layers are formed, in which the light-diffusing unit includes a light emitting end face on the substrate side and includes a light incident end face having an area larger than the area of the light emitting end face on the side opposite to the substrate side, the height of the light-diffusing unit from the light incident end face to the light emitting end face is greater than the thickness of the light shielding layer, and the periodic direction at which the light shielding layers are recurrently formed is non-parallel to the direction of a pixel pitch of a display body.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: September 4, 2018
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasushi Asaoka, Shohei Katsuta, Tsuyoshi Maeda, Tsuyoshi Kamada
  • Patent number: 10067379
    Abstract: A liquid crystal display device includes a liquid crystal panel that includes a liquid crystal cell including a pair of substrates and a liquid crystal layer sandwiched between the pair of substrates, and a pair of polarizers arranged on a light incident side and a light emission side of the liquid crystal layer; an illumination device that is arranged on the light incident side of the liquid crystal cell, and emits light toward the liquid crystal cell; and a light control member that is arranged on the light emission side of the liquid crystal panel, and controls an emission direction of light emitted from the liquid crystal panel by anisotropically diffusing the light in an azimuthal direction as viewed from a direction normal to the liquid crystal panel.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: September 4, 2018
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kazuyoshi Sakuragi, Tsuyoshi Kamada, Toru Kanno, Shun Ueki, Tsuyoshi Maeda, Emi Yamamoto
  • Publication number: 20180231202
    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: Application
    Filed: July 27, 2016
    Publication date: August 16, 2018
    Inventors: TOMOKO UEKI, TSUYOSHI KAMADA, SHUN UEKI, HIDEOMI YUI
  • Publication number: 20180231203
    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: Application
    Filed: August 3, 2016
    Publication date: August 16, 2018
    Inventors: TOMOKO UEKI, HIDEOMI YUI, SHUN UEKI, TSUYOSHI KAMADA
  • Publication number: 20180170012
    Abstract: Provided is a daylighting device (10) that is used by being attached to a window frame (110) supporting an existing window glass (100) and that includes a first base (11) being light-transmissive, a first spacer (12) provided at an outer edge of one surface (11a) of the first base (11) and attached to the window frame (110), and a daylighting member (13) provided on a side of the one surface (11a) of the first base (11), in which the daylighting member (13) includes a second base (14) that is light-transmissive and a plurality of protrusion daylighting portions (15) that are light-transmissive and provided to be adjacent to each other on a side of one surface (14a) of the second base (14).
    Type: Application
    Filed: June 22, 2016
    Publication date: June 21, 2018
    Applicants: SHARP KABUSHIKI KAISHA, SHARP KABUSHIKI KAISHA
    Inventors: SHUN UEKI, SHUMPEI NISHINAKA, TORU KANNO, DAISUKE SHINOZAKI, TSUYOSHI KAMADA
  • Publication number: 20180163938
    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: Application
    Filed: June 9, 2016
    Publication date: June 14, 2018
    Inventors: HIDEOMI YUI, TSUYOSHI KAMADA, TORU KANNO, SHUN UEKI, TOMOKO UEKI
  • Publication number: 20180142517
    Abstract: A daylighting device (10) including: a flexible base material (20) having light-transmitting properties; and a plurality of daylighting sections (30) on at least one of faces (20a) of the base material (20), each of the daylighting sections having light-transmitting properties and including at least two protrusion portions adjacent to each other.
    Type: Application
    Filed: April 22, 2016
    Publication date: May 24, 2018
    Inventors: DAISUKE SHINOZAKI, SHUN UEKI, SHUMPEI NISHINAKA, TORU KANNO, TSUYOSHI KAMADA
  • Patent number: 9976718
    Abstract: A daylighting device (10) according to an aspect of the present invention includes a first substrate (1) which has optical transparency and to which external light is incident; a second substrate (2) which has optical transparency and is disposed facing the first substrate (1); a light diffusion layer (3) which is disposed between the first substrate (1) and the second substrate (2); and a daylighting layer (4) which is disposed between the first substrate (1) and the second substrate (2) and is formed by including a plurality of daylighting portions (42) having optical transparency and a void portion (43) which is provided between the plurality of daylighting portions (42) in one surface facing the light diffusion layer (3).
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: May 22, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shun Ueki, Tsuyoshi Kamada, Tomoko Ueki, Shumpei Nishinaka, Toru Kanno, Hideomi Yui, Daisuke Shinozaki
  • Patent number: 9970613
    Abstract: There is provided a lighting film according to one aspect of the invention including: a first substrate having optical transparency; a plurality of lighting units formed of a plurality of polygonal prism-shaped structures having optical transparency provided on a first surface of the first substrate; and gaps provided between the plurality of lighting units, in which the lighting unit is a polygon which has five vertexes in a sectional shape orthogonal to a longitudinal direction and has all of internal angles smaller than 180°, the lighting unit includes a first side which is one side of the polygon corresponding to a surface contacted with the first substrate, and a plurality of vertexes including a first vertex and a second vertex which are vertexes corresponding to both ends of the first side and a third vertex which is not positioned on the first side, a length of a perpendicular line of the first side passing the third vertex is longer than a length of a perpendicular line of the first side passing a ve
    Type: Grant
    Filed: February 2, 2015
    Date of Patent: May 15, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hideomi Yui, Tsuyoshi Kamada, Tomoko Nango
  • Publication number: 20180128441
    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: Application
    Filed: April 26, 2016
    Publication date: May 10, 2018
    Inventors: SHUMPEI NISHINAKA, SHUN UEKI, TORU KANNO, DAISUKE SHINOZAKI, HIDEOMI YUI, TOMOKO UEKI, TSUYOSHI KAMADA, ATSUYUKI HOSHINO
  • Publication number: 20180119486
    Abstract: A daylighting slat (40) includes a daylighting plate (40) extending in one direction. The daylighting plate (40) includes: a transparent base material (41) having a curved or angled shape in a cross-section taken perpendicular to a lengthwise direction of the daylighting plate (40); a plurality of transparent daylighting sections (42) at least in a first region (41Aa) of a first face (41A) of the base material (41); and gap portions between the daylighting sections (42), wherein each of the daylighting sections (42) has a side face in contact with one of the gap portions, a part of the side face serving as a reflection face where light incident to that daylighting section (42) is reflected.
    Type: Application
    Filed: April 26, 2016
    Publication date: May 3, 2018
    Inventors: TORU KANNO, SHUMPEI NISHINAKA, DAISUKE SHINOZAKI, SHUN UEKI, TSUYOSHI KAMADA
  • Publication number: 20180119912
    Abstract: A lighting film (1) includes a first base material (2), a plurality of lighting portions (3), and a void portion (9), and if a virtual straight line (F) that passes through a point (C), at which any one light ray of light entering the lighting portion (3) is incident on a reflective surface, and is orthogonal to a first surface (2a) of the first base material (2) marks a boundary between two spaces, a space with the light ray incident on the point (C) of the two spaces is labeled as a first space (S1), and a space without the light ray incident on the point (C) is labeled as a second space (S2), the lighting film (1) has a function of decreasing intensity of light traveling toward the second space (S2) of light emitted from the first base material (2) or the lighting portion (3).
    Type: Application
    Filed: December 22, 2017
    Publication date: May 3, 2018
    Inventors: MASAHIRO TSUJIMOTO, TSUYOSHI KAMADA, SHUN UEKI, TOMOKO NANGO, KAZUYOSHI SAKURAGI
  • Patent number: 9885453
    Abstract: A lighting film (1) includes a first base material (2), a plurality of lighting portions (3), and a void portion (9), and if a virtual straight line (F) that passes through a point (C), at which any one light ray of light entering the lighting portion (3) is incident on a reflective surface, and is orthogonal to a first surface (2a) of the first base material (2) marks a boundary between two spaces, a space with the light ray incident on the point (C) of the two spaces is labeled as a first space (S1), and a space without the light ray incident on the point (C) is labeled as a second space (S2), the lighting film (1) has a function of decreasing intensity of light traveling toward the second space (S2) of light emitted from the first base material (2) or the lighting portion (3).
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: February 6, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masahiro Tsujimoto, Tsuyoshi Kamada, Shun Ueki, Tomoko Nango, Kazuyoshi Sakuragi