Patents by Inventor Junichi Morinaga

Junichi Morinaga 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).

  • Publication number: 20210278921
    Abstract: A display device including a position input function, includes a pixel electrode; an image wire that is disposed adjacent to the pixel electrode and supplies an image signal to the pixel electrode; a plurality of position detection wires that are arranged side by side on at least one side of the image wire; and a plurality of position detection electrodes that are connected to the plurality of position detection wires, form a capacitance with a position input body performing position input, detect an input position by the position input body, and include an opening portion which overlaps with the plurality of position detection wires arranged on the at least one side of the image wire and is formed in a range straddling the plurality of position detection wires.
    Type: Application
    Filed: February 24, 2021
    Publication date: September 9, 2021
    Inventor: Junichi MORINAGA
  • Patent number: 11079644
    Abstract: An active matrix substrate of a liquid crystal display device includes a first substrate, a light blocking layer, a lower insulating layer, a pixel TFT, a source wiring line, a pixel electrode, and a common electrode. The pixel TFT includes an oxide semiconductor layer. The oxide semiconductor layer includes a channel region, and first and second low-resistive regions. The source wiring line is located between the main surface of the first substrate and the lower insulating layer, and is formed from a conductive film the same as the light blocking layer. The pixel electrode is formed from an oxide film the same as the oxide semiconductor layer, and is continuous with the second low-resistive region. The active matrix substrate further includes a connection electrode that is formed from a transparent conductive film the same as the common electrode and connects the source wiring line to the first low-resistive region.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: August 3, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Junichi Morinaga
  • Patent number: 11067863
    Abstract: A liquid crystal panel includes a first substrate and a second substrate. The first substrate includes a plurality of first wires, a second wire that intersects with the plurality of first wires, and a third wire that is arranged in a layer different from a layer in which the second wire is arranged and that is arranged in parallel to the second wire. An aperture is formed in at least any of all intersection portions in which the plurality of first wires and the second wire intersect. The second wire and the third wire are connected through a contact hole that is formed in the aperture.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: July 20, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Junichi Morinaga
  • Patent number: 11061289
    Abstract: A liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer supported between the first substrate and the second substrate, wherein the first substrate includes a main spacer and a sub-spacer protruding toward the liquid crystal layer, a height of the main spacer is greater than a height of the sub-spacer, the second substrate includes, on a surface facing the liquid crystal layer, an alignment film, a main pedestal portion that comes into contact with the main spacer, and a sub-pedestal portion opposite the sub-spacer, an area of a top portion of the main pedestal portion is greater than an area of a top portion of the main spacer, and an area of a top portion of the sub-pedestal portion is less than an area of a top portion of the sub-spacer.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: July 13, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Junichi Morinaga, Shingo Kamitani, Katsuya Ogawa
  • Publication number: 20210200045
    Abstract: An active matrix substrate includes a plurality of gate wiring lines extending in a row direction and a plurality of source wiring lines extending in the column direction and a plurality of touch wiring lines extending in the column direction, wherein a pair of gate wiring lines are connected to one pixel row and one source wiring line is connected to a pair of pixel columns, the pair of pixel columns includes a first pixel column and a second pixel column adjacent to the first pixel column, and when viewed from a normal direction of a main surface of the substrate, each source wiring line is disposed between the first pixel column and the second pixel column in the corresponding pair of pixel columns, and each touch wiring line is disposed between two adjacent pixel columns between two adjacent source wiring lines.
    Type: Application
    Filed: December 23, 2020
    Publication date: July 1, 2021
    Inventor: JUNICHI MORINAGA
  • Publication number: 20210200008
    Abstract: An active matrix substrate of a liquid crystal display device includes a first substrate, a light blocking layer, a lower insulating layer, a pixel TFT, a source wiring line, a pixel electrode, and a common electrode. The pixel TFT includes an oxide semiconductor layer. The oxide semiconductor layer includes a channel region, and first and second low-resistive regions. The source wiring line is located between the main surface of the first substrate and the lower insulating layer, and is formed from a conductive film the same as the light blocking layer. The pixel electrode is formed from an oxide film the same as the oxide semiconductor layer, and is continuous with the second low-resistive region. The active matrix substrate further includes a connection electrode that is formed from a transparent conductive film the same as the common electrode and connects the source wiring line to the first low-resistive region.
    Type: Application
    Filed: December 22, 2020
    Publication date: July 1, 2021
    Inventor: JUNICHI MORINAGA
  • Patent number: 11003031
    Abstract: A display apparatus includes: a pixel electrode; a switching element that is connected to the pixel electrode; a scanning line that transfers a signal by which the switching element is driven; an image line that transfers a signal by which the pixel electrode is charged; a liquid crystal layer that includes liquid crystal molecules; a plurality of domains that are different in alignment direction of the liquid crystal molecules when a voltage is applied to the liquid crystal layer; an alignment boundary portion that is positioned in a boundary of the plurality of domains; an alignment film that aligns the liquid crystal molecules, and a capacitor line that extends along the transverse direction and is arranged so as to be overlapped with the pixel electrode with an insulating film in between and overlapped with at least a part of the alignment boundary portion.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: May 11, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Junichi Morinaga, Hiroyuki Ohgami, Takahiro Koshiba
  • Patent number: 10989948
    Abstract: A method for manufacturing an active matrix substrate including a thin film transistor for each pixel, and a first electrode and a first wiring line for touchscreen panel function includes: forming a transparent electrically conductive film on an interlayer insulating layer and within a first contact hole; forming, on a portion of the transparent electrically conductive film, an upper wiring portion to become an upper layer of the first wiring line; patterning the transparent electrically conductive film to make a pixel electrode and form a lower wiring portion to become a lower layer of the first wiring line; forming a dielectric layer covering the pixel electrode and the first wiring line and having a second contact hole through which a portion of the first wiring line is exposed; and forming a common electrode which is electrically connected to the first wiring line within the second contact hole.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: April 27, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hikaru Yoshino, Junichi Morinaga, Tetsuo Kikuchi, Kengo Hara
  • Patent number: 10978529
    Abstract: An active matrix substrate includes a first TFT of a peripheral circuit and a second TFT arranged in each pixel, wherein: the first TFT is a top gate or double gate TFT that includes an upper gate electrode on a portion of a first oxide semiconductor layer with a gate insulating layer interposed therebetween; the second TFT is a bottom gate TFT that includes a second lower gate electrode arranged on the substrate side of a second oxide semiconductor layer with a lower insulating layer interposed therebetween and includes no gate electrode on the second oxide semiconductor layer; the second TFT including: an island-shaped insulator layer that is arranged on a portion of the second oxide semiconductor layer so as to overlap with at least a portion of the second lower gate electrode, as seen from a direction normal to the substrate; an upper insulating layer that is arranged on the second oxide semiconductor layer and the island-shaped insulator layer; and a source electrode that is arranged on the upper insulat
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: April 13, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Junichi Morinaga, Hikaru Yoshino
  • Patent number: 10962824
    Abstract: A color filter substrate includes a light transmissive substrate, a light blocking layer, a light transmissive layer, and a color layer. The light blocking layer is formed on the light transmissive substrate. The light transmissive layer is formed along an edge of the light blocking layer on the light transmissive substrate. The color layer passes rays of visible light and is tinted a predefined color so that the rays passing therethrough exhibit a predefined color. The color layer includes a section disposed on a top surface of the light transmissive substrate in a blank area and an edge section extending from the section in the blank area over the light transmissive layer and a section of the light blocking layer. A thickness of a section of the light transmissive layer on a blank area side is less than a thickness of the light blocking layer.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: March 30, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Katsuhiro Mikumo, Junichi Morinaga, Hikaru Yoshino
  • Patent number: 10935858
    Abstract: The present invention provides a liquid crystal display device for which laser repair can be easily performed to correct a defect pixel, and/or a liquid crystal display device capable of reducing generation of contact failure and a short circuit. The liquid crystal display device of the present invention includes a first substrate, a liquid crystal layer, and a second substrate in the given order. The first substrate includes: an insulating substrate; a scanning line; a data line; a first insulating film disposed between the scanning line and the data line; a common line extending in an extension direction of the scanning line or the data line; a counter electrode facing the common line with the first insulating film in between; a switching element being connected to the scanning line and the data line; a second insulating film; a pixel electrode being connected to the switching element and the counter electrode; a third insulating film; and a common electrode being provided with an opening.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: March 2, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Junichi Morinaga, Mitsunori Harada, Masahiro Yoshida, Tomoo Furukawa
  • Patent number: 10921669
    Abstract: A display device includes a first source wiring line having a first wide width portion with a second width greater than the first width. The first wide width portion is disposed in a vicinity of one of spacers. The first wide width portion includes an overlapping region overlapping with a black matrix and a non-overlapping region not overlapping with the black matrix when seen in a normal line direction of a main surface of a substrate. A spacer shadow region extending from one spacer to a side of a first direction with an identical width with a width of the one spacer includes a first region overlapping with the black matrix and a second region not overlapping with the black matrix when seen in the normal line direction. The non-overlapping region of the first wide width portion partially overlaps with the second region of the spacer shadow region.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: February 16, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Junichi Morinaga
  • Patent number: 10895787
    Abstract: A liquid crystal panel includes an array substrate, a counter substrate, and a liquid crystal layer therebetween. The counter substrate includes a sub-pixel in-between light blocking section extending in a grid and surrounding the sub pixels, a first projection projecting from the counter substrate toward the array substrate and having a projecting end that is contacted with a part of the array substrate to define a distance between the substrates, and second projections projecting from the counter substrate toward the array substrate and having projecting ends that are spaced from the array substrate. The first projection and the second projections overlap the sub-pixel in-between light blocking section. A distance between a center line of a width dimension of the sub-pixel in-between light blocking section and a center of each second projection is smaller than a distance between the center line and a center of the first projection.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: January 19, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shingo Kamitani, Junichi Morinaga
  • Patent number: 10890815
    Abstract: A display apparatus includes: a liquid crystal layer including liquid crystal molecules; a plurality of domains; an alignment boundary portion; an alignment film; a pixel electrode; a connection portion arranged to be overlapped with at least a part of the alignment boundary portion; and a capacitor forming portion that is arranged to be partially overlapped with a part of the connection portion with an insulating film in between and forms electrostatic capacitance. The connection portion and the capacitor forming portion extend along at least a part of the alignment boundary portion, have respective non-overlapping portions in which the connection portion and the capacitor forming portion are not overlapped with each other in a crossing direction crossing an extension direction of the connection portion and the capacitor forming portion, and arrangement of the non-overlapping portions in the crossing direction is switched between one side and another side in the extension direction.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: January 12, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hiroyuki Ohgami, Junichi Morinaga, Takahiro Koshiba
  • Patent number: 10871670
    Abstract: A display device with a position input function includes a pixel electrode, a common electrode, position detection electrodes, position detection lines, and a light blocking portion. The position detection electrodes are configured so that a position input member and corresponding one of the position detection electrodes form a capacitor. The position detection lines are disposed not to overlap the pixel electrode with the insulating film disposed therebetween and selectively connected to the position detection electrodes via contact holes in the insulating film. The light blocking portion is disposed to overlap the pixel electrode and including a pixel opening. The common electrode includes openings overlapping the position detection lines and including first opening edges closer to the pixel electrode and second opening edges on an opposite side from the pixel electrode. The first opening edges are closer to the position detection lines in comparison to the second opening edges.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: December 22, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Junichi Morinaga
  • Publication number: 20200341319
    Abstract: A liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer supported between the first substrate and the second substrate, wherein the first substrate includes a main spacer and a sub-spacer protruding toward the liquid crystal layer, a height of the main spacer is greater than a height of the sub-spacer, the second substrate includes, on a surface facing the liquid crystal layer, an alignment film, a main pedestal portion that comes into contact with the main spacer, and a sub-pedestal portion opposite the sub-spacer, an area of a top portion of the main pedestal portion is greater than an area of a top portion of the main spacer, and an area of a top portion of the sub-pedestal portion is less than an area of a top portion of the sub-spacer.
    Type: Application
    Filed: April 21, 2020
    Publication date: October 29, 2020
    Inventors: JUNICHI MORINAGA, SHINGO KAMITANI, KATSUYA OGAWA
  • Publication number: 20200326576
    Abstract: A display panel includes: a pair of substrates provided opposite each other with a substrate-to-substrate distance between the substrates; a plurality of pixels arranged in a matrix, the pixels including pixel sections; inter-pixel-section light-blocking sections providing partitions between the pixel sections; spacers arranged, between the substrates, in locations over the inter-pixel-section light-blocking sections; and extended light-blocking sections provided so as to extend inward of the pixel sections from the inter-pixel-section light-blocking sections, wherein the spacers include: first spacers regulating the substrate-to-substrate distance; and second spacers and third spacers projecting from the substrate toward the substrate, the second spacers and third spacers having a projection length smaller than the substrate-to-substrate distance, the third spacers having a smaller footprint than do the second spacers.
    Type: Application
    Filed: April 8, 2020
    Publication date: October 15, 2020
    Inventors: SHINGO KAMITANI, SHINGO JOHGAN, JUNICHI MORINAGA, HIKARU YOSHINO
  • Publication number: 20200310205
    Abstract: A display apparatus includes: a liquid crystal layer including liquid crystal molecules; a plurality of domains; an alignment boundary portion; an alignment film; a pixel electrode; a connection portion arranged to be overlapped with at least a part of the alignment boundary portion; and a capacitor forming portion that is arranged to be partially overlapped with a part of the connection portion with an insulating film in between and forms electrostatic capacitance. The connection portion and the capacitor forming portion extend along at least a part of the alignment boundary portion, have respective non-overlapping portions in which the connection portion and the capacitor forming portion are not overlapped with each other in a crossing direction crossing an extension direction of the connection portion and the capacitor forming portion, and arrangement of the non-overlapping portions in the crossing direction is switched between one side and another side in the extension direction.
    Type: Application
    Filed: February 25, 2020
    Publication date: October 1, 2020
    Inventors: Hiroyuki OHGAMI, Junichi MORINAGA, Takahiro KOSHIBA
  • Publication number: 20200272000
    Abstract: A display apparatus includes: a pixel electrode; a switching element that is connected to the pixel electrode; a scanning line that transfers a signal by which the switching element is driven; an image line that transfers a signal by which the pixel electrode is charged; a liquid crystal layer that includes liquid crystal molecules; a plurality of domains that are different in alignment direction of the liquid crystal molecules when a voltage is applied to the liquid crystal layer; an alignment boundary portion that is positioned in a boundary of the plurality of domains; an alignment film that aligns the liquid crystal molecules, and a capacitor line that extends along the transverse direction and is arranged so as to be overlapped with the pixel electrode with an insulating film in between and overlapped with at least a part of the alignment boundary portion.
    Type: Application
    Filed: February 25, 2020
    Publication date: August 27, 2020
    Inventors: Junichi MORINAGA, Hiroyuki OHGAMI, Takahiro KOSHIBA
  • Patent number: 10747041
    Abstract: A display device with a position input function includes pixel electrodes, signal lines, a common electrode, a position detection electrode, and position detection lines. The signal lines are disposed adjacent to the pixel electrodes. The common electrode is disposed to overlap the pixel electrodes via an insulating film. The position detection lines are connected to the one position detection electrode via a contact hole formed in the insulating film that is disposed between the common electrode and the position detection lines. Each of the position detection lines is disposed between the signal line and the pixel electrode such that two of the position detection lines sandwich the pixel electrodes and the signal lines. An interval between two of the signal lines that sandwich the pixel electrodes and the position detection lines is larger than an interval between two of the signal lines that sandwich the pixel electrodes.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: August 18, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Junichi Morinaga