Patents by Inventor Shinji Shimada

Shinji Shimada 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: 11972909
    Abstract: A capacitor disposed inside a multilayer substrate that includes a conductive pattern on a surface thereof and an anode portion having a first conductive metal member and a porous portion disposed on a surface of the first conductive metal member, a cathode portion, and a dielectric layer disposed between the anode portion and the cathode portion. Moreover, the anode portion is led out to a surface side of the multilayer substrate by a connection electrode including an alloy layer containing a metal forming the first conductive metal member and a conductive layer disposed on the alloy layer, and in which the connection electrode is connected to the conductive pattern formed on the surface of the multilayer substrate.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: April 30, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazutaka Nakamura, Kohei Shimada, Takeshi Furukawa, Shinji Otani, Akitomo Takahashi
  • Publication number: 20240111195
    Abstract: Provided is a liquid crystal display device including a liquid crystal panel including in the following order an active matrix substrate, a liquid crystal layer, and a counter substrate. The active matrix substrate includes in the following order a first electrode and a second electrode including a first linear electrode portion extending in a first direction. The counter substrate includes a third electrode including second linear electrode portions extending in a second direction crossing the first direction, and a fourth electrode including an island-shaped electrode portion as a floating electrode. The island-shaped electrode portion is disposed between the second linear electrode portions in a plan view, overlaps an optical aperture of one of two pixels adjacent to each other along the second direction, and does not overlap an optical aperture of the other of the two pixels.
    Type: Application
    Filed: August 28, 2023
    Publication date: April 4, 2024
    Inventors: Koji MURATA, Akira HIRAI, Hiroshi TSUCHIYA, Takashi SATOH, Akira SAKAI, Shinji SHIMADA
  • Publication number: 20240094577
    Abstract: Provided is a liquid crystal display device capable of switching between a transparent state and a scattering state, reducing or preventing a decrease in transmittance in the transparent state, and reducing or preventing a decrease in luminance in the panel central portion in the scattering state. The liquid crystal display device includes, sequentially from its viewing surface side toward its back surface side: a first liquid crystal panel; a light source; and a second liquid crystal panel, the first liquid crystal panel including a polymer dispersed liquid crystal containing a polymer network and liquid crystal components, the light source being configured to irradiate a back surface side main surface of the first liquid crystal panel with light from an oblique direction.
    Type: Application
    Filed: October 25, 2023
    Publication date: March 21, 2024
    Inventors: Koji MURATA, Yasuhiro HASEBA, Kazutaka HANAOKA, Kimiaki NAKAMURA, Mariko HONDA, Atsuko KANASHIMA, Tadashi HASEGAWA, Shinji SHIMADA
  • Patent number: 11914236
    Abstract: The liquid crystal display device of the present invention includes an active matrix substrate including a first electrode, a first insulating layer, and second electrodes including a first linear electrode; a color filter substrate including a black matrix, a color filter layer, a third electrode including second linear electrodes, and a fourth electrode which is a floating electrode. The third electrode and the fourth electrode are disposed between the black matrix and the liquid crystal layer. The second linear electrodes extend in a second direction and each overlap a portion of the black matrix extending in the second direction. The fourth electrode is disposed between the second linear electrodes and overlaps the black matrix in a plan view. The control circuit switches between application of driving voltage and application of constant voltage to the third electrode.
    Type: Grant
    Filed: January 3, 2023
    Date of Patent: February 27, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Koji Murata, Hiroshi Tsuchiya, Shinpei Higashida, Takahiro Sasaki, Takashi Satoh, Shinji Shimada
  • Patent number: 11899305
    Abstract: Provided are a liquid crystal panel capable of achieving a small light-shielding angle in a narrow viewing angle mode and a display device including the liquid crystal panel. The liquid crystal panel sequentially includes: a first polarizing plate with a first absorption axis; a first substrate including a first electrode; a liquid crystal layer containing liquid crystal molecules; and a second substrate including a second electrode, wherein in a plan view, a director of the liquid crystal molecules with no voltage applied and the first absorption axis form an angle ? of not smaller than 5° and not greater than 20° or not smaller than 65° and not greater than 80°.
    Type: Grant
    Filed: October 14, 2022
    Date of Patent: February 13, 2024
    Assignee: SHARP DISPLAY TECHNOLOGY CORPORATION
    Inventors: Koji Murata, Junichi Masuda, Shugo Yagi, Hiroshi Tsuchiya, Takashi Satoh, Shinji Shimada
  • Patent number: 11852911
    Abstract: Provided is a liquid crystal display device capable of switching between a transparent state and a scattering state, reducing or preventing a decrease in transmittance in the transparent state, and reducing or preventing a decrease in luminance in the panel central portion in the scattering state. The liquid crystal display device includes, sequentially from its viewing surface side toward its back surface side: a first liquid crystal panel; a light source; and a second liquid crystal panel, the first liquid crystal panel including a polymer dispersed liquid crystal containing a polymer network and liquid crystal components, the light source being configured to irradiate a back surface side main surface of the first liquid crystal panel with light from an oblique direction.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: December 26, 2023
    Assignee: SHARP DISPLAY TECHNOLOGY CORPORATION
    Inventors: Koji Murata, Yasuhiro Haseba, Kazutaka Hanaoka, Kimiaki Nakamura, Mariko Honda, Atsuko Kanashima, Tadashi Hasegawa, Shinji Shimada
  • Patent number: 11829021
    Abstract: Provided is a polymer dispersed liquid crystal display device including: a pair of substrates including an electrode on at least one substrate; and a composite layer disposed between the pair of substrates. The composite layer includes a liquid crystal component and a polymer network constituted by a cured product of a photopolymerizable liquid crystal compound, and is in a transparent state when no voltage is applied and in a scattering state when a voltage is applied, and the polymer network has a helical structure with a number of turns of from one to less than eight in the composite layer.
    Type: Grant
    Filed: January 19, 2022
    Date of Patent: November 28, 2023
    Assignee: Sharp Display Technology Corporation
    Inventors: Koji Murata, Kimiaki Nakamura, Mariko Honda, Tadashi Hasegawa, Kazutaka Hanaoka, Yasuhiro Haseba, Shinji Shimada, Atsuko Kanashima
  • Publication number: 20230296932
    Abstract: Provided is a display device including a backlight; a first liquid crystal panel; a display panel; and a second liquid crystal panel. The first liquid crystal panel includes a first substrate, a first liquid crystal layer containing first liquid crystal molecules, and a second substrate. The second liquid crystal panel includes a third substrate, a second liquid crystal layer containing second liquid crystal molecules, and a fourth substrate. The display device satisfies the following Formula (1): |?3??1|?50°??Formula (1) wherein ?1 represents an azimuthal angle of a director of the first liquid crystal molecules near the first substrate with no voltage applied to the first liquid crystal layer, and ?3 represents an azimuthal angle of a director of the second liquid crystal molecules near the third substrate with no voltage applied to the second liquid crystal layer.
    Type: Application
    Filed: March 17, 2023
    Publication date: September 21, 2023
    Applicant: Sharp Display Technology Corporation
    Inventors: Koji MURATA, Hiroshi TSUCHIYA, Atsuko KANASHIMA, Takashi SATOH, Shinji SHIMADA
  • Publication number: 20230251522
    Abstract: Provided is a liquid crystal panel sequentially including: a first polarizing plate with a first absorption axis; a first substrate including a first electrode; a liquid crystal layer containing liquid crystal molecules; and a second substrate including a second electrode. The liquid crystal panel satisfies the following Formula (1) as well as the following Formula (2-1) or Formula (2-2): 5°?|?1??2|?20°??(Formula 1) 5°?|?P1??2|?20°??(Formula 2-1) 65°?|?P1??2|?80°??(Formula 2-2) wherein ?1 represents an azimuthal angle of a director of liquid crystal molecules near the first substrate, ?2 represents an azimuthal angle of a director of liquid crystal molecules near the second substrate, and ?P1 represents an azimuthal angle of the first absorption axis of the first polarizing plate, each with no voltage applied.
    Type: Application
    Filed: January 30, 2023
    Publication date: August 10, 2023
    Inventors: Koji MURATA, Hiroshi TSUCHIYA, Takashi SATOH, Shinji SHIMADA
  • Patent number: 11719972
    Abstract: The display device includes a liquid crystal panel including a polymer dispersed liquid crystal (PDLC) layer and a light source, the PDLC layer containing a polymer network and liquid crystal components dispersed in the polymer network, the light source being apart from the liquid crystal panel with an air layer, and configured to emit light toward the liquid crystal panel from an oblique direction, the end portion and the central portion of the PDLC layer each having, in the scattering state, an angle dependence which changes a transmittance of light to be emitted from a front surface based on an angle at which light is incident on a back surface of the PDLC layer, with the angle dependence of the end portion being different from the angle dependence of the central portion, the light source irradiating the end portion and the central portion with light at different angles.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: August 8, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Koji Murata, Kazutaka Hanaoka, Kimiaki Nakamura, Atsuko Kanashima, Mariko Honda, Shinji Shimada
  • Publication number: 20230236448
    Abstract: Provided is a liquid crystal display device that can switch between the privacy mode and the public mode and achieve a high contrast ratio even during display in the privacy mode. The liquid crystal display panel includes: a liquid crystal panel; and a control circuit. The active matrix substrate sequentially includes a first substrate, a first electrode, a first insulating layer, and second electrodes each including a first linear electrode. The color filter substrate includes a second substrate, a black matrix, a color filter layer, a third electrode, and a fourth electrode which is disposed between the black matrix and the third electrode and to which constant voltage is applied. The third electrode includes second linear electrodes and overlaps a portion of the black matrix in a plan view. The control circuit switches between application of driving voltage and application of constant voltage to the third electrode.
    Type: Application
    Filed: January 13, 2023
    Publication date: July 27, 2023
    Inventors: Koji MURATA, Hiroshi TSUCHIYA, Shinpei HIGASHIDA, Takahiro SASAKI, Takashi SATOH, Shinji SHIMADA
  • Patent number: 11698556
    Abstract: The liquid crystal display device includes a liquid crystal panel, the liquid crystal panel including sub-pixels and including an active matrix substrate and a counter substrate, the active matrix substrate including a gate line, a first electrode, and a second electrode, the counter substrate including a third electrode, each of the sub-pixels being provided with an optical opening, the third electrode including a linear electrode extending along the gate line, a distance between the linear electrode and the optical opening being less than D/4 and a width of the linear electrode being D/4 or less, wherein a distance between two optical openings adjacent in the direction perpendicular to the extending direction of the gate line is defined as D.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: July 11, 2023
    Assignee: SHARP DISPLAY TECHNOLOGY CORPORATION
    Inventors: Koji Murata, Kosuke Nagata, Kazutoshi Kida, Kazutaka Hanaoka, Shinji Shimada, Yasuhiro Haseba
  • Publication number: 20230213798
    Abstract: The liquid crystal display device of the present invention includes an active matrix substrate including a first electrode, a first insulating layer, and second electrodes including a first linear electrode; a color filter substrate including a black matrix, a color filter layer, a third electrode including second linear electrodes, and a fourth electrode which is a floating electrode. The third electrode and the fourth electrode are disposed between the black matrix and the liquid crystal layer. The second linear electrodes extend in a second direction and each overlap a portion of the black matrix extending in the second direction. The fourth electrode is disposed between the second linear electrodes and overlaps the black matrix in a plan view. The control circuit switches between application of driving voltage and application of constant voltage to the third electrode.
    Type: Application
    Filed: January 3, 2023
    Publication date: July 6, 2023
    Inventors: Koji MURATA, Hiroshi TSUCHIYA, Shinpei HIGASHIDA, Takahiro SASAKI, Takashi SATOH, Shinji SHIMADA
  • Publication number: 20230129697
    Abstract: Provided are a liquid crystal panel capable of achieving a small light-shielding angle in a narrow viewing angle mode and a display device including the liquid crystal panel. The liquid crystal panel sequentially includes: a first polarizing plate with a first absorption axis; a first substrate including a first electrode; a liquid crystal layer containing liquid crystal molecules; and a second substrate including a second electrode, wherein in a plan view, a director of the liquid crystal molecules with no voltage applied and the first absorption axis form an angle ? of not smaller than 5° and not greater than 20° or not smaller than 65° and not greater than 80°.
    Type: Application
    Filed: October 14, 2022
    Publication date: April 27, 2023
    Inventors: Koji MURATA, Junichi MASUDA, Shugo YAGI, Hiroshi TSUCHIYA, Takashi SATOH, Shinji SHIMADA
  • Publication number: 20230101325
    Abstract: The liquid crystal panel of the present invention sequentially includes: a first substrate including a first electrode; a first alignment film; a liquid crystal layer containing liquid crystal molecules having a positive anisotropy of dielectric constant; a second alignment film; and a second substrate including a second electrode, the liquid crystal molecules being homogeneously aligned with no voltage applied between the first electrode and the second electrode, a polar anchoring energy 2EA and an azimuthal anchoring energy 2EB of the second alignment film being smaller than a polar anchoring energy 1EA and an azimuthal anchoring energy 1EB of the first alignment film, respectively, the polar anchoring energy 2EA of the second alignment film being not greater than the azimuthal anchoring energy 2EB of the second alignment film.
    Type: Application
    Filed: August 5, 2022
    Publication date: March 30, 2023
    Inventors: Koji MURATA, Hiroshi TSUCHIYA, Takashi SATOH, Shinji SHIMADA
  • Publication number: 20230024383
    Abstract: Provided is a liquid crystal display device capable of switching between a transparent state and a scattering state, reducing or preventing a decrease in transmittance in the transparent state, and reducing or preventing a decrease in luminance in the panel central portion in the scattering state. The liquid crystal display device includes, sequentially from its viewing surface side toward its back surface side: a first liquid crystal panel; a light source; and a second liquid crystal panel, the first liquid crystal panel including a polymer dispersed liquid crystal containing a polymer network and liquid crystal components, the light source being configured to irradiate a back surface side main surface of the first liquid crystal panel with light from an oblique direction.
    Type: Application
    Filed: June 29, 2022
    Publication date: January 26, 2023
    Inventors: Koji MURATA, Yasuhiro HASEBA, Kazutaka HANAOKA, Kimiaki NAKAMURA, Mariko HONDA, Atsuko KANASHIMA, Tadashi HASEGAWA, Shinji SHIMADA
  • Publication number: 20230004031
    Abstract: The display device includes a liquid crystal panel including a polymer dispersed liquid crystal (PDLC) layer and a light source, the PDLC layer containing a polymer network and liquid crystal components dispersed in the polymer network, the light source being apart from the liquid crystal panel with an air layer, and configured to emit light toward the liquid crystal panel from an oblique direction, the end portion and the central portion of the PDLC layer each having, in the scattering state, an angle dependence which changes a transmittance of light to be emitted from a front surface based on an angle at which light is incident on a back surface of the PDLC layer, with the angle dependence of the end portion being different from the angle dependence of the central portion, the light source irradiating the end portion and the central portion with light at different angles.
    Type: Application
    Filed: June 7, 2022
    Publication date: January 5, 2023
    Inventors: Koji MURATA, Kazutaka HANAOKA, Kimiaki NAKAMURA, Atsuko KANASHIMA, Mariko HONDA, Shinji SHIMADA
  • Publication number: 20220334438
    Abstract: The liquid crystal display device includes a liquid crystal panel, the liquid crystal panel including sub-pixels and including an active matrix substrate and a counter substrate, the active matrix substrate including a gate line, a first electrode, and a second electrode, the counter substrate including a third electrode, each of the sub-pixels being provided with an optical opening, the third electrode including a linear electrode extending along the gate line, a distance between the linear electrode and the optical opening being less than D/4 and a width of the linear electrode being D/4 or less, wherein a distance between two optical openings adjacent in the direction perpendicular to the extending direction of the gate line is defined as D.
    Type: Application
    Filed: April 7, 2022
    Publication date: October 20, 2022
    Inventors: Koji Murata, Kosuke Nagata, Kazutoshi Kida, Kazutaka Hanaoka, Shinji Shimada, Yasuhiro Haseba
  • Patent number: 11454838
    Abstract: Provided is a liquid crystal display device including: a liquid crystal panel; and a control circuit, the liquid crystal panel sequentially including an active matrix substrate, a first alignment film, a liquid crystal layer, a second alignment film, and a counter substrate, the active matrix substrate sequentially including a first substrate, a first electrode, a first insulating layer, and a second electrode including a linear electrode portion, the counter substrate including a second substrate and a third electrode, the third electrode extending in a longitudinal direction of the sub-pixel at a right or left end of the sub-pixel, a ratio of a width of the third electrode to a width of the first electrode in a widthwise direction being 0.14 or greater and 0.25 or smaller, the control circuit being configured to switch between application of an alternating voltage and application of a constant voltage to the third electrode.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: September 27, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Koji Murata, Kazutaka Hanaoka, Shinji Shimada, Kiyoshi Minoura
  • Patent number: 11437600
    Abstract: In the present embodiment, a sealing agent (50) sealing two substates contains a low melting-point glass material and is adhered to each of a first substrate (10) and a second substrate (20), a barrier rib (60), which is formed in such a manner as to surround the outer periphery of an electronic element (30), is disposed between the sealing agent (50) and the electronic element (30), and between the first substrate (10) and the second substrate (20), and the sealing agent (50) is spaced apart from the barrier rib (60). As a result, a deterioration of the electronic element, caused by the heat produced when sealing, may be prevented while the electronic element formed between the two substrates is protected from moisture and oxygen.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: September 6, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yuhki Kobayashi, Shinichi Kawato, Kiyoshi Minoura, Shinji Shimada, Hiroshi Tsuchiya, Masahiro Mitani, Kohzoh Nakamura, Katsuhiko Kishimoto, Yozo Narutaki