Patents by Inventor Hiroshi Tsuchiya

Hiroshi Tsuchiya 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: 11982917
    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: Grant
    Filed: August 5, 2022
    Date of Patent: May 14, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Koji Murata, Hiroshi Tsuchiya, Takashi Satoh, Shinji Shimada
  • Patent number: 11961710
    Abstract: A plasma processing apparatus includes a balun having a first unbalanced terminal, a second unbalanced terminal, a first balanced terminal, and a second balanced terminal, a grounded vacuum container, a first electrode electrically connected to the first balanced terminal, a second electrode electrically connected to the second balanced terminal, an impedance matching circuit, a first power supply connected to the balun via the impedance matching circuit, and configured to supply a high frequency to the first electrode via the impedance matching circuit and the balun, a low-pass filter, and a second power supply configured to supply a voltage to the first electrode via the low-pass filter.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: April 16, 2024
    Assignee: CANON ANELVA CORPORATION
    Inventors: Tadashi Inoue, Masaharu Tanabe, Kazunari Sekiya, Hiroshi Sasamoto, Tatsunori Sato, Nobuaki Tsuchiya
  • 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: 20240100635
    Abstract: A core material has a core 12; a solder layer 16 made of a (Sn—Bi)-based solder alloy provided on an outer side of the core 12; and a Sn layer 20 provided on an outer side of the solder layer 16. The core contains metal or a resin. When a concentration ratio of Bi contained in the solder layer 16 is a concentration ratio (%)=a measured value of Bi (% by mass)/a target Bi content (% by mass), or a concentration ratio (%)=an average value of measured values of Bi (% by mass)/a target Bi content (% by mass), the concentration ratio is 91.4% to 106.7%. The thickness of the Sn layer 20 is 0.215% or more and 36% or less of the thickness of the solder layer 16.
    Type: Application
    Filed: November 29, 2023
    Publication date: March 28, 2024
    Applicant: SENJU METAL INDUSTRY CO., LTD.
    Inventors: Shigeki Kondoh, Masato Tsuchiya, Hiroki Sudo, Hiroshi Okada, Daisuke Souma
  • 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
  • Publication number: 20230317028
    Abstract: A liquid crystal display device includes: an active matrix substrate including a first electrode and a second electrode configured to generate a transverse electrical field; a counter substrate including a plurality of third electrodes disposed at predetermined intervals and having a stripe pattern; a liquid crystal layer located between the active matrix substrate and the counter substrate; and a control circuit. The liquid crystal display device can display an image in a first viewing angle mode and a second viewing angle mode having a viewing angle narrower than the first viewing angle mode by the control circuit switching an amplitude and a waveform of a voltage applied to the third electrodes. The control circuit applies a common voltage having a different value to the first electrode or the second electrode in each of the first viewing angle mode and the second viewing angle mode.
    Type: Application
    Filed: March 24, 2023
    Publication date: October 5, 2023
    Inventors: Hiroshi TSUCHIYA, Koji MURATA, Takashi SATOH
  • 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
  • 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
  • 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: 20230143536
    Abstract: A light-emitting element includes an anode electrode and a cathode electrode, and is provided with a first hole transport layer, a second hole transport layer, a light-emitting layer, a first electron transport layer, and a second electron transport layer. At a HOMO level, an energy level difference between the second hole transport layer and the light-emitting layer on the second hole transport layer side is from 0.0 eV to 0.15 eV, and at a LUMO level, an energy level difference between the first electron transport layer and the light-emitting layer on the first electron transport layer side is from 0.0 eV to 0.15 eV. The second electron transport layer is a mixed layer that includes an organic material having electron transport properties and an electron-accepting material and contains the electron-accepting material in an amount greater than 50 mass %.
    Type: Application
    Filed: March 26, 2020
    Publication date: May 11, 2023
    Inventors: HIROSHI TSUCHIYA, MASANOBU MIZUSAKI
  • 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
  • Patent number: 11530357
    Abstract: The present invention provides a liquid crystal alignment agent having high thermal stability and high solvent solubility, and a liquid crystal panel in which occurrence of ghosting and stain and a decrease in contrast are suppressed even under environments at high temperatures long period of time. The present invention is a liquid crystal alignment agent including a copolymer including a structure represented by a chemical formula (1) below, and a solvent. In the formula, X is a specified structure including a cyclic hydrocarbon group, Y1 is a specified structure including a cyclic hydrocarbon group, R1 represents a homogeneous alignment group, a homeotropic alignment group, or a photoreactive functional group, and Z1 and Z2 are the same or different, and represent an —NH— group, an —O— group, or a —S— group.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: December 20, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masanobu Mizusaki, Hiroshi Tsuchiya
  • Patent number: 11435609
    Abstract: The present invention provides a liquid crystal display device that, with photo-alignment films, can maintain a favorable voltage holding ratio for a long period of time and prevent generation of image sticking and stains on the display screen. The liquid crystal display device includes: an active-matrix liquid crystal panel; and a backlight, the liquid crystal panel including a liquid crystal layer, paired substrates holding the liquid crystal layer in between, and alignment films disposed on the liquid crystal layer side surfaces of the respective substrates, the alignment films each being a photo-alignment film formed from a material exhibiting photo-alignment performance, the liquid crystal layer containing a liquid crystal material and a radical scavenger.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: September 6, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Koichi Miyachi, Masanobu Mizusaki, Tsuyoshi Okazaki, Hiroshi Tsuchiya, Isamu Miyake, Toshihiro Matsumoto
  • 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
  • Publication number: 20220158111
    Abstract: In a light-emitting element, an energy level difference between a second hole transport layer and the light-emitting layer on a side closer to the second hole transport layer is greater than an energy level difference between the light-emitting layer on the side closer to the second hole transport layer and a layer in contact with a side closer to a cathode electrode of the light-emitting layer on the side closer to the second hole transport layer in LUMO level, and an energy level difference between a first electron transport layer and the light-emitting layer on a side closer to the first electron transport layer is greater than an energy level difference between the light-emitting layer on the side closer to the first electron transport layer and a layer in contact with a side closer to an anode electrode of the light-emitting layer on the side closer to the first electron transport layer in HOMO level.
    Type: Application
    Filed: March 22, 2019
    Publication date: May 19, 2022
    Inventors: MASANOBU MIZUSAKI, HIROSHI TSUCHIYA
  • Publication number: 20220077421
    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: Application
    Filed: November 17, 2021
    Publication date: March 10, 2022
    Inventors: Yuhki KOBAYASHI, Shinichi KAWATO, Kiyoshi MINOURA, Shinji SHIMADA, Hiroshi TSUCHIYA, Masahiro MITANI, Kohzoh NAKAMURA, Katsuhiko KISHIMOTO, Yozo NARUTAKI
  • Patent number: 11260869
    Abstract: A control device for an automatic transmission includes: a failure diagnosis section for diagnosing whether or not a failure has occurred in a shift control system of the automatic transmission; a fail-safe control section for fixing the automatic transmission into a predetermined gear position in response to confirmation of the failure of the shift control system of the automatic transmission; and an oil temperature rise regulation torque reduction control section for outputting a torque reduction request to suppress torque of a vehicle driving source, based on temperature of transmission operating oil of the automatic transmission, and outputting the torque reduction request in response to satisfaction of an oil temperature condition that is set lower in oil temperature when the automatic transmission is fixed in a first gear position by the fail-safe control section than when the automatic transmission is not fixed in the first gear position.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: March 1, 2022
    Assignee: JATCO LTD
    Inventors: Tomoko Oue, Masashi Yamaji, Hiroshi Tsuchiya, Shin Tsukamoto