Patents by Inventor Kazuhide Mochizuki

Kazuhide Mochizuki 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: 10241605
    Abstract: According to one embodiment, a liquid crystal display device includes touch-sensor electrodes, an array substrate including pixel electrodes, gate lines, source lines, switching elements, a light-shielding layer, and a plurality of stripe-like common electrodes, a counter-substrate, and a liquid crystal layer, wherein the common electrodes included in the array substrate are used not only as electrodes for display, but also as touch-sensor electrodes and, in a touch operation, a touch drive signal is input to each drive unit electrode including a plurality of common electrodes, and the light-shielding layer is divided into parts each of which corresponds to the drive unit electrode, and is provided to extend across a region opposed to a region of the drive unit electrode.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: March 26, 2019
    Assignee: Japan Display Inc.
    Inventors: Takanori Tsunashima, Takashi Nakamura, Masahiro Tada, Kazuhide Mochizuki
  • Patent number: 10197878
    Abstract: A display device of an embodiment includes scanning lines, signal lines, sub-pixels, a switching element in each of the sub-pixels, a pixel electrode in each of the sub-pixels. The switching element includes a relay electrode in contact with the pixel electrode, and a semiconductor layer in contact with the signal line in a first position, in contact with the relay electrode in a second position, and bending between the first position and the second position and crossing the scanning line. In at least one of the sub-pixels, a part of the scanning line extends between the relay electrode and the signal line which are connected to each other via the semiconductor layer.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: February 5, 2019
    Assignee: Japan Display Inc.
    Inventor: Kazuhide Mochizuki
  • Patent number: 10042226
    Abstract: According to one embodiment, a display device includes first and second source lines arranged along a first direction, a gate line including first and second portions arranged along a second direction intersecting the first direction, and a connection portion which connects the first portion and the second portion to each other and a semiconductor layer which intersects at least one of the first portion and the connection portion, and each of the first portion and the second portion intersects the first and second source lines and the connection portion is located between the first source line and the second source line.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: August 7, 2018
    Assignee: Japan Display Inc.
    Inventor: Kazuhide Mochizuki
  • Publication number: 20180210252
    Abstract: According to one embodiment, a display device includes a gate line extending in a first direction, first and second source lines crossing the gate line and arranged in the first direction, a first light-shielding layer having first and second openings, and an oxide semiconductor layer crossing the gate line, and in the display device, the first opening and the second opening are arranged in a second direction crossing the first direction between the first source line and the second source line, the gate line is located between the first opening and the second opening, and the oxide semiconductor layer has a first overlapping portion overlapping the first opening.
    Type: Application
    Filed: January 18, 2018
    Publication date: July 26, 2018
    Applicant: Japan Display Inc.
    Inventors: Hitoshi Tanaka, Kazuhide Mochizuki
  • Publication number: 20180210299
    Abstract: According to one embodiment, a display device including an insulating substrate, a first gate driver, a first gate line and a conductive material layer is provided. The first gate line has a first end connected to the first gate driver and a second end opposite to the first end, and extends in a first direction. The conductive material layer is located between the insulating substrate and the first gate line, overlaps the first gate line, and extends in the first direction. In the display device, the second end of the first gate line is electrically connected to the conductive material layer.
    Type: Application
    Filed: January 18, 2018
    Publication date: July 26, 2018
    Applicant: Japan Display Inc.
    Inventors: Kazuhide MOCHIZUKI, Hitoshi TANAKA
  • Patent number: 9915845
    Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a gate line extending in a first direction, a first signal line, a second signal line, a first semiconductor layer, a second semiconductor layer, an insulating film, a first contact hole, a second contact hole, a first pixel electrode and a second pixel electrode. The second contact hole is located opposite to the first contact hole in a second direction intersecting the first direction.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: March 13, 2018
    Assignee: Japan Display Inc.
    Inventors: Kazuhide Mochizuki, Hirotaka Hayashi, Hiroyuki Kimura
  • Patent number: 9891748
    Abstract: According to one embodiment, a display device includes plural display pixels arranged in a matrix, plural gate lines, plural source lines and a control circuit which controls by applying intermittent driving and a column-inversion drive scheme, an operation in which drive signals are supplied to the gate lines and the source lines, and an image signal is supplied to the display pixels and held thereby, wherein the display pixels each include a liquid crystal in which alignment of liquid crystal molecules is changed by a voltage between pixel electrodes and a common electrode, and the control circuit applies in a signal stop period in the intermittent driving, a voltage corresponding to a gradation higher than or equal to white gradation to the source lines in a case where a display mode of the liquid crystal is a normally-black mode.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: February 13, 2018
    Assignee: Japan Display Inc.
    Inventors: Takashi Nakamura, Masahiro Tada, Takanori Tsunashima, Hirotaka Hayashi, Kazuhide Mochizuki
  • Publication number: 20170351153
    Abstract: A display device of an embodiment includes scanning lines, signal lines, sub-pixels, a switching element in each of the sub-pixels, a pixel electrode in each of the sub-pixels. The switching element includes a relay electrode in contact with the pixel electrode, and a semiconductor layer in contact with the signal line in a first position, in contact with the relay electrode in a second position, and bending between the first position and the second position and crossing the scanning line. In at least one of the sub-pixels, a part of the scanning line extends between the relay electrode and the signal line which are connected to each other via the semiconductor layer.
    Type: Application
    Filed: June 1, 2017
    Publication date: December 7, 2017
    Applicant: Japan Display Inc.
    Inventor: Kazuhide MOCHIZUKI
  • Patent number: 9835900
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a display area including a plurality of pixels, and a light-shielding layer. Each of the pixels includes first and second pixel electrodes having have different pixel areas, a first semiconductor element, a second semiconductor element, a first capacitance electrode connected to the first semiconductor element and forming a first auxiliary capacitance, and a second capacitance electrode connected to the second semiconductor element, forming a second auxiliary capacitance, and having an electrode area different from that of the first capacitance electrode.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: December 5, 2017
    Assignee: Japan Display Inc.
    Inventors: Kazuhide Mochizuki, Hirotaka Hayashi
  • Publication number: 20170235399
    Abstract: According to one embodiment, a liquid crystal display device includes touch-sensor electrodes, an array substrate including pixel electrodes, gate lines, source lines, switching elements, a light-shielding layer, and a plurality of stripe-like common electrodes, a counter-substrate, and a liquid crystal layer, wherein the common electrodes included in the array substrate are used not only as electrodes for display, but also as touch-sensor electrodes and, in a touch operation, a touch drive signal is input to each drive unit electrode including a plurality of common electrodes, and the light-shielding layer is divided into parts each of which corresponds to the drive unit electrode, and is provided to extend across a region opposed to a region of the drive unit electrode.
    Type: Application
    Filed: February 16, 2017
    Publication date: August 17, 2017
    Applicant: Japan Display Inc.
    Inventors: Takanori TSUNASHIMA, Takashi Nakamura, Masahiro Tada, Kazuhide Mochizuki
  • Publication number: 20170219862
    Abstract: According to one embodiment, a display device includes first and second source lines arranged along a first direction, a gate line including first and second portions arranged along a second direction intersecting the first direction, and a connection portion which connects the first portion and the second portion to each other and a semiconductor layer which intersects at least one of the first portion and the connection portion, and each of the first portion and the second portion intersects the first and second source lines and the connection portion is located between the first source line and the second source line.
    Type: Application
    Filed: February 2, 2017
    Publication date: August 3, 2017
    Applicant: Japan Display Inc.
    Inventor: Kazuhide MOCHIZUKI
  • Publication number: 20170068129
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a display area including a plurality of pixels, and a light-shielding layer. Each of the pixels includes first and second pixel electrodes having have different pixel areas, a first semiconductor element, a second semiconductor element, a first capacitance electrode connected to the first semiconductor element and forming a first auxiliary capacitance, and a second capacitance electrode connected to the second semiconductor element, forming a second auxiliary capacitance, and having an electrode area different from that of the first capacitance electrode.
    Type: Application
    Filed: September 1, 2016
    Publication date: March 9, 2017
    Applicant: Japan Display Inc.
    Inventors: Kazuhide MOCHIZUKI, Hirotaka HAYASHI
  • Publication number: 20160259475
    Abstract: According to one embodiment, a display device includes plural display pixels arranged in a matrix, plural gate lines, plural source lies and a control circuit which controls by applying intermittent driving and a column-inversion drive scheme, an operation in which drive signals are supplied to the gate lines and the source lines, and an image signal is supplied to the display pixels and held thereby, wherein the display pixels each include a liquid crystal in which alignment of liquid crystal molecules is changed by a voltage between pixel electrodes and a common electrode, and the control circuit applies in a signal stop period in the intermittent driving, a voltage corresponding to a gradation higher than or equal to white gradation to the source lines in a case where a display mode of the liquid crystal is a normally-black mode.
    Type: Application
    Filed: March 3, 2016
    Publication date: September 8, 2016
    Applicant: Japan Display Inc.
    Inventors: Takashi NAKAMURA, Masahiro TADA, Takanori TSUNASHIMA, Hirotaka HAYASHI, Kazuhide MOCHIZUKI
  • Publication number: 20160116776
    Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a light-shielding layer formed in the shape of a band, a first semiconductor layer, a second semiconductor layer, a gate line, a first pixel electrode and a second pixel electrode. A third region of the first semiconductor layer and a sixth region of the second semiconductor layer are each U-shaped, and each includes a first channel region and a second channel region, which are located opposite to the gate line.
    Type: Application
    Filed: October 15, 2015
    Publication date: April 28, 2016
    Applicant: Japan Display Inc.
    Inventors: Hirotaka Hayashi, Masahiro Tada, Kazuhide Mochizuki
  • Publication number: 20160116813
    Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a gate line extending in a first direction, a first signal line, a second signal line, a first semiconductor layer, a second semiconductor layer, an insulating film, a first contact hole, a second contact hole, a first pixel electrode and a second pixel electrode. The second contact hole is located opposite to the first contact hole in a second direction intersecting the first direction.
    Type: Application
    Filed: October 15, 2015
    Publication date: April 28, 2016
    Applicant: Japan Display Inc.
    Inventors: Kazuhide MOCHIZUKI, Hirotaka HAYASHI, Hiroyuki KIMURA