Patents by Inventor Masahiro Kosuge
Masahiro Kosuge 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).
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Publication number: 20230311262Abstract: A mist collector includes: a filter that collects mist; a nozzle including an ejection port capable of ejecting a coolant, the nozzle being disposed to cause the ejection port to be opposite to the filter; and a motor that causes the filter to move, to cause a position on the filter to which the ejection port is opposite to change.Type: ApplicationFiled: August 27, 2020Publication date: October 5, 2023Applicant: DMG MORI CO., LTD.Inventors: Kosuke YAMAMOTO, Kenjiro IGA, Masahiro KOSUGE
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Publication number: 20220123614Abstract: In a rotor of a motor or the like, in order to suppress scattering of a part of a magnet provided around a rotating shaft, the rotor has a cylindrical magnet through which the rotating shaft passes, a first holder which covers the magnet from one side in an axial direction of the rotating shaft and a second holder which covers the magnet from the other side in the axial direction. The magnet is press-fitted into a first body portion of the first holder and a second body portion of the second holder, and a first end of the first body portion and a second end of the second body portion are joined by welding or the like. An inner diameter of the first end and the inner diameter of the second end are larger than an outer diameter of the magnet.Type: ApplicationFiled: November 1, 2019Publication date: April 21, 2022Applicant: NIDEC SANKYO CORPORATIONInventors: Masahiro KOSUGE, Masato GOMYO, Kazuma YAMAMOTO
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Patent number: 11169405Abstract: A display device includes a substrate having a display region and a peripheral region outside the display region; a liquid crystal layer; an insulating film between the liquid crystal layer and the substrate; an alignment film between the insulating film and the liquid crystal layer and having a front surface in contact with the liquid crystal layer; a pixel electrode having a front surface in contact with the alignment film in the display region; and an electrode having a front surface in contact with the alignment film in the peripheral region. Also, the electrode is supplied with an electric potential in the peripheral region. Each of the alignment film, the pixel electrode, and the electrode is formed on the insulating film. A distance from the substrate to the front surface of the electrode is longer than a distance from the substrate to the front surface of the pixel electrode.Type: GrantFiled: March 26, 2018Date of Patent: November 9, 2021Assignee: Japan Display Inc.Inventor: Masahiro Kosuge
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Patent number: 11036088Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate disposed to oppose the first substrate, a layer of liquid crystal located between the first substrate and the second substrate, and an alignment film disposed on the first substrate so as to be in contact with the layer of the liquid crystal. The liquid crystal has a refractive-index anisotropy ?n of 0.11 or more, the layer of the liquid crystal has a thickness d of 2.5 ?m or less, and a product ?nd of the refractive-index anisotropy ?n and the thickness d is 0.20 or more but 0.31 or less. The transmissivity of light having a wavelength of 450 nm in the first substrate and the alignment film is 85% or more but 97% or less.Type: GrantFiled: September 27, 2018Date of Patent: June 15, 2021Assignee: Japan Display Inc.Inventors: Hidehiro Sonoda, Masahiro Kosuge, Yasushi Tomioka, Takenori Hirota, Noboru Kunimatsu
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Patent number: 10908460Abstract: According to one embodiment, a method of manufacturing an alignment film, includes forming an organic layer on a substrate, irradiating polarized ultraviolet rays onto the organic layer to impart an alignment controllability of liquid crystal molecules, oxidating the organic layer irradiated with the polarized ultraviolet rays, washing the oxidated organic layer and reducing the washed organic layer.Type: GrantFiled: March 28, 2018Date of Patent: February 2, 2021Assignee: Japan Display Inc.Inventor: Masahiro Kosuge
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Patent number: 10409124Abstract: According to one embodiment, a liquid crystal display device, includes a first substrate including a scanning signal line, a video signal line, a first electrode, a color filter, a common line in contact with the first electrode along the video signal line, an antireflection layer located on the common line, a transparent layer located on the antireflection layer, and a second electrode, a liquid crystal layer located on the first substrate, and a second substrate located on the liquid crystal layer, the transparent layer having a thickness of 10 nm or more and 40 nm or less.Type: GrantFiled: September 27, 2016Date of Patent: September 10, 2019Assignee: Japan Display Inc.Inventors: Osamu Itou, Daisuke Sonoda, Masahiro Kosuge
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Publication number: 20190094627Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate disposed to oppose the first substrate, a layer of liquid crystal located between the first substrate and the second substrate, and an alignment film disposed on the first substrate so as to be in contact with the layer of the liquid crystal. The liquid crystal has a refractive-index anisotropy ?n of 0.11 or more, the layer of the liquid crystal has a thickness d of 2.5 ?m or less, and a product ?nd of the refractive-index anisotropy ?n and the thickness d is 0.20 or more but 0.31 or less. The transmissivity of light having a wavelength of 450 nm in the first substrate and the alignment film is 85% or more but 97% or less.Type: ApplicationFiled: September 27, 2018Publication date: March 28, 2019Applicant: Japan Display Inc.Inventors: Hidehiro SONODA, Masahiro KOSUGE, Yasushi TOMOKA, Takenori HIROTA, Noboru KUNIMATSU
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Publication number: 20190088222Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer, a first alignment film, a pixel electrode, and a common electrode. The liquid crystal layer is disposed between the first substrate and the second substrate. The first alignment film is provided on the first substrate to be in contact with the liquid crystal layer. The pixel electrode is provided on the first substrate and covered with the first alignment film. The common electrode provided on the first substrate to form a lateral electric field. The liquid crystal layer is driven at a frequency of 40 Hz or less. A time constant of the liquid crystal layer is larger than a time constant of the first alignment film.Type: ApplicationFiled: November 15, 2018Publication date: March 21, 2019Applicant: Japan Display Inc.Inventors: Masahiro KOSUGE, Yukio TANAKA
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Patent number: 10186217Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer, a first alignment film, a pixel electrode, and a common electrode. The liquid crystal layer is disposed between the first substrate and the second substrate. The first alignment film is provided on the first substrate to be in contact with the liquid crystal layer. The pixel electrode is provided on the first substrate and covered with the first alignment film. The common electrode provided on the first substrate to form a lateral electric field. The liquid crystal layer is driven at a frequency of 40 Hz or less. A time constant of the liquid crystal layer is larger than a time constant of the first alignment film.Type: GrantFiled: June 13, 2017Date of Patent: January 22, 2019Assignee: Japan Display Inc.Inventors: Masahiro Kosuge, Yukio Tanaka
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Publication number: 20180284527Abstract: A display device includes a substrate having a display region and a peripheral region outside the display region; a liquid crystal layer; an insulating film between the liquid crystal layer and the substrate; an alignment film between the insulating film and the liquid crystal layer and having a front surface in contact with the liquid crystal layer; a pixel electrode having a front surface in contact with the alignment film in the display region; and an electrode having a front surface in contact with the alignment film in the peripheral region. Also, the electrode is supplied with an electric potential in the peripheral region. Each of the alignment film, the pixel electrode, and the electrode is formed on the insulating film. A distance from the substrate to the front surface of the electrode is longer than a distance from the substrate to the front surface of the pixel electrode.Type: ApplicationFiled: March 26, 2018Publication date: October 4, 2018Applicant: Japan Display Inc.Inventor: Masahiro KOSUGE
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Publication number: 20180284545Abstract: According to one embodiment, a method of manufacturing an alignment film, includes forming an organic layer on a substrate, irradiating polarized ultraviolet rays onto the organic layer to impart an alignment controllability of liquid crystal molecules, oxidating the organic layer irradiated with the polarized ultraviolet rays, washing the oxidated organic layer and reducing the washed organic layer.Type: ApplicationFiled: March 28, 2018Publication date: October 4, 2018Applicant: Japan Display Inc.Inventor: Masahiro KOSUGE
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Patent number: 10054832Abstract: Disclosed is a liquid crystal display device including an active element substrate having an active element; a first layer provided on the active element and having a first hole formed therein, the first layer being one of a first insulating layer and a color filter; a second layer provided on the first layer and having a second hole formed therein, the second layer being the other of the first insulating layer and the color filter; a common electrode provided on the second layer; a second insulating layer having a plate-like portion provided on the common electrode and a first contact portion protruded downward; and a pixel electrode having a second contact portion protruded downward. The first contact portion is provided inside the second hole, and the second contact portion is provided inside the first hole and inside the second hole and electrically connected to the active element.Type: GrantFiled: October 27, 2015Date of Patent: August 21, 2018Assignee: Japan Display Inc.Inventors: Osamu Itou, Kenji Nakao, Toshimasa Ishigaki, Masahiro Kosuge
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Patent number: 10031382Abstract: According to one embodiment, a liquid crystal display device includes a liquid crystal display panel which includes a pixel electrode, a liquid crystal layer and an alignment film, and a driver. The driver drives the pixel electrode at a drive frequency of 1 to 20 Hz. The alignment film has a resistivity of 5×1014 ?·cm or more.Type: GrantFiled: December 23, 2016Date of Patent: July 24, 2018Assignee: Japan Display Inc.Inventors: Daiichi Suzuki, Yoshifumi Saeki, Yukio Tanaka, Noboru Kunimatsu, Hidehiro Sonoda, Masahiro Kosuge
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Patent number: 9880435Abstract: A display device includes a first light shielding part provided between a filter film and a first electrode, and a second light shielding part provided on a second substrate. First and second filter films each have long sides that extend in a first direction in which a video signal line extends, and the first and the second filter films are arranged adjacent to each other in a second direction different from the first direction. The first light shielding part overlaps the video signal line in a plan view. The second light shielding part overlaps a metal electrode in the plan view.Type: GrantFiled: March 31, 2016Date of Patent: January 30, 2018Assignee: Japan Display Inc.Inventors: Masahiro Kosuge, Kenji Nakao, Osamu Itou
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Publication number: 20170358264Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer, a first alignment film, a pixel electrode, and a common electrode. The liquid crystal layer is disposed between the first substrate and the second substrate. The first alignment film is provided on the first substrate to be in contact with the liquid crystal layer. The pixel electrode is provided on the first substrate and covered with the first alignment film. The common electrode provided on the first substrate to form a lateral electric field. The liquid crystal layer is driven at a frequency of 40 Hz or less. A time constant of the liquid crystal layer is larger than a time constant of the first alignment film.Type: ApplicationFiled: June 13, 2017Publication date: December 14, 2017Applicant: Japan Display Inc.Inventors: Masahiro KOSUGE, Yukio TANAKA
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Publication number: 20170184929Abstract: According to one embodiment, a liquid crystal display device includes a liquid crystal display panel which includes a pixel electrode, a liquid crystal layer and an alignment film, and a driver. The driver drives the pixel electrode at a drive frequency of 1 to 20 Hz. The alignment film has a resistivity of 5×1014 ?·cm or more.Type: ApplicationFiled: December 23, 2016Publication date: June 29, 2017Applicant: Japan Display Inc.Inventors: Daiichi SUZUKI, Yoshifumi Saeki, Yukio Tanaka, Noboru Kunimatsu, Hidehiro Sonoda, Masahiro Kosuge
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Patent number: 9690131Abstract: The elution of a color filter to a liquid crystal layer is reduced. A liquid crystal display device includes an active device substrate, a liquid crystal layer provided on the active device substrate, and a counter substrate provided on the liquid crystal layer. The active device substrate includes an active device, a common electrode, a common interconnection electrically connected to the common electrode, a reflection reduction film provided on the common interconnection, a first insulating layer provided on the reflection reduction film, and a pixel electrode having a flat portion provided on the first insulating layer and a first projecting portion protruding downwardly. The first the projecting portion is electrically connected to the active device.Type: GrantFiled: December 14, 2015Date of Patent: June 27, 2017Assignee: Japan Display Inc.Inventors: Osamu Itou, Kenji Nakao, Toshimasa Ishigaki, Masahiro Kosuge
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Publication number: 20170090262Abstract: According to one embodiment, a liquid crystal display device, includes a first substrate including a scanning signal line, a video signal line, a first electrode, a color filter, a common line in contact with the first electrode along the video signal line, an antireflection layer located on the common line, a transparent layer located on the antireflection layer, and a second electrode, a liquid crystal layer located on the first substrate, and a second substrate located on the liquid crystal layer, the transparent layer having a thickness of 10 nm or more and 40 nm or less.Type: ApplicationFiled: September 27, 2016Publication date: March 30, 2017Applicant: Japan Display Inc.Inventors: Osamu ITOU, Daisuke SONODA, Masahiro KOSUGE
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Publication number: 20160299395Abstract: A display device includes a first light shielding part provided between a filter film and a first electrode, and a second light shielding part provided on a second substrate. First and second filter films each have long sides that extend in a first direction in which a video signal line extends, and the first and the second filter films are arranged adjacent to each other in a second direction different from the first direction. The first light shielding part overlaps the video signal line in a plan view. The second light shielding part overlaps a metal electrode in the plan view.Type: ApplicationFiled: March 31, 2016Publication date: October 13, 2016Applicant: Japan Display Inc.Inventors: Masahiro KOSUGE, Kenji Nakao, Osamu Itou
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Publication number: 20160291377Abstract: According to an aspect, a liquid crystal display device includes, in sequence, a thin-film transistor substrate comprising a thin-film transistor, a liquid crystal layer, and a counter substrate. The thin-film transistor substrate includes: a first translucent electrode; a color filter; metal wiring that is provided above the color filter and electrically coupled with the first translucent electrode; a light-absorbing layer provided on the metal wiring; and an optical interference layer provided on the light-absorbing layer. The optical interference layer includes the first translucent electrode.Type: ApplicationFiled: March 17, 2016Publication date: October 6, 2016Applicant: Japan Display Inc.Inventors: Masahiro KOSUGE, Toshimasa ISHIGAKI, Osamu ITOU