Patents by Inventor Yoshikatsu Imazeki

Yoshikatsu Imazeki 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: 20230013572
    Abstract: A display device includes a first substrate having a first surface and a second surface opposite to the first surface, a first light-emitting layer including a first polymer and an ionic liquid on the second surface, a first electrode provided on a first side surface of the first light-emitting layer, a second electrode provided on a second side surface of the first light-emitting layer opposite to the first side surface of the first light-emitting layer, and a second substrate in contact with the first light-emitting layer opposite to the first substrate.
    Type: Application
    Filed: September 22, 2022
    Publication date: January 19, 2023
    Inventors: Shuichi OSAWA, Yoshikatsu IMAZEKI, Yoichi KAMIJO, Koichi MIYASAKA, Yoshifumi KAMEI
  • Patent number: 11537251
    Abstract: A display device is provided and includes first substrate comprising first base member, first terminal and pixel electrodes; second substrate comprising second base member comprising first surface opposing and spaced apart from first terminal and second surface on an opposite side to first surface, second terminal located on side of second surface, and first hole which penetrates from first surface to second surface and second terminal; organic insulating layer provided between first terminal and second base member and adjacent to display area, organic insulating layer having second hole beneath first hole; and connecting material provided on first and second hole to electrically connect first terminal and second terminal, wherein organic insulating layer includes sealant attaches first substrate and second substrate, diameter of second hole is greater than diameter of first hole, and at least one of first terminal and second terminal including oxide electrode in contact with connecting material.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: December 27, 2022
    Assignee: Japan Display Inc.
    Inventors: Shuichi Osawa, Shoji Hinata, Yoshikatsu Imazeki, Yoichi Kamijo, Yoshihiro Watanabe
  • Publication number: 20220334675
    Abstract: Display panel is provided and includes substrate; conductive member that is arranged on substrate, and that configures input position detecting electrodes in display region; mounting terminal in mounting region existing in peripheral region that is outside display region; peripheral wiring lines disposed in peripheral region, peripheral wiring lines each having first end electrically connected to mounting terminal and second end connected to one of input position detecting electrodes; first light blocking layer arranged on substrate so as to overlap at least a part of peripheral wiring lines; and second light blocking layer arranged between substrate and peripheral wiring line, wherein first light blocking layer overlaps at least a part of second light blocking layer so as to partly sandwich peripheral wiring lines between first and second light blocking layers.
    Type: Application
    Filed: June 30, 2022
    Publication date: October 20, 2022
    Inventor: Yoshikatsu IMAZEKI
  • Publication number: 20220317512
    Abstract: According to one embodiment, a display device includes a backlight source, liquid crystal panel, and color separating element substrate. The liquid crystal panel includes an adherence area with a predetermined width in a peripheral part of the transparent material substrate in the incident surface side of the backlight, and the color separating element substrate includes a step with a predetermined height, in the peripheral part of the surface opposed to the liquid crystal panel, and an upper surface of the step of the color separating element substrate and the adherence area of the transparent material substrate of the liquid crystal panel are adhered through a film therebetween.
    Type: Application
    Filed: March 31, 2022
    Publication date: October 6, 2022
    Inventors: Shuichi OSAWA, Yoshikatsu IMAZEKI, Yoichi KAMIJO, Koichi MIYASAKA, Yoshifumi KAMEI
  • Publication number: 20220283455
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate opposing the first substrate, a liquid crystal layer and a light source that emits light to the liquid crystal layer, and the first substrate includes a first portion opposing the second substrate and having a first thickness and a second portion not opposing the second substrate and having a second thickness which is less than the first thickness, and the light source is disposed on the second portion, and the light source includes a first surface opposing the second portion and a second surface opposing the first surface, and a wiring substrate is disposed on the second surface so that the wiring substrate does not protrude with respect to the second substrate in a thickness direction.
    Type: Application
    Filed: May 26, 2022
    Publication date: September 8, 2022
    Inventors: Yoichi KAMIJO, Yoshikatsu IMAZEKI, Shuichi OSAWA, Yoshihiro WATANABE, Koichi MIYASAKA
  • Publication number: 20220252925
    Abstract: Display device is provided and includes first substrate; second substrate including transparent conductive film; optical element adhered to transparent conductive film; and connecting member, wherein first substrate includes first region which overlaps second substrate and includes display portion, and second region including electrode, second substrate includes substrate edge located at boundary between first and second regions and the second region in first direction, optical element includes optical element edge located between display portion and substrate edge in second direction intersecting first direction, optical element edge does not overlap substrate edge in plan view, transparent conductive film includes extended portion extending from optical element edge toward substrate edge, connecting member is in contact with substrate edge and electrically connects electrode and extended portion, optical element includes notch, and notch and connecting member are arranged in second direction.
    Type: Application
    Filed: April 27, 2022
    Publication date: August 11, 2022
    Inventors: Yoshikatsu IMAZEKI, Yoichi KAMIJO, Yoshihiro WATANABE, Koichi MIYASAKA, Shuichi OSAWA
  • Patent number: 11372280
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate opposing the first substrate, a liquid crystal layer and a light source that emits light to the liquid crystal layer, and the first substrate includes a first portion opposing the second substrate and having a first thickness and a second portion not opposing the second substrate and having a second thickness which is less than the first thickness, and the light source is disposed on the second portion, and the light source includes a first surface opposing the second portion and a second surface opposing the first surface, and a wiring substrate is disposed on the second surface so that the wiring substrate does not protrude with respect to the second substrate in a thickness direction.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: June 28, 2022
    Assignee: Japan Display Inc.
    Inventors: Yoichi Kamijo, Yoshikatsu Imazeki, Shuichi Osawa, Yoshihiro Watanabe, Koichi Miyasaka
  • Patent number: 11320683
    Abstract: According to one embodiment, a display device includes a first substrate including an electrode, a second substrate including a substrate edge, a transparent conductive film including an extended portion, an optical element adhered to the transparent conductive film, and a connecting member. The connecting member is in contact with the substrate edge and electrically connects the electrode and the extended portion. The optical element includes a penetration portion. The penetration portion and the connecting member are arranged in a direction intersecting an extending direction of the substrate edge.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: May 3, 2022
    Assignee: Japan Display Inc.
    Inventors: Yoshikatsu Imazeki, Yoichi Kamijo, Yoshihiro Watanabe, Koichi Miyasaka, Shuichi Osawa
  • Patent number: 11249354
    Abstract: According to one embodiment, a display device includes a first substrate including a first basement and a first conductive layer, a second substrate including a second basement and a second conductive layer, and a display function layer. A second end surface of the second basement includes a flat portion located in a same plane as a first end surface of the first basement, and a first concave portion formed toward an inside of the second basement with respect to the flat portion. A connecting material which electrically connects the first conductive layer and the second conductive layer is provided in the first concave portion.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: February 15, 2022
    Assignee: Japan Display Inc.
    Inventors: Shuichi Osawa, Yoshikatsu Imazeki, Yoichi Kamijo, Yoshihiro Watanabe
  • Publication number: 20220027016
    Abstract: Display panel is provided and includes substrate; conductive member that is arranged on substrate, and that configures input position detecting electrodes in display region; mounting terminal in mounting region existing in peripheral region that is outside display region; peripheral wiring lines disposed in peripheral region, peripheral wiring lines each having first end electrically connected to mounting terminal and second end connected to one of input position detecting electrodes; first light blocking layer arranged on substrate so as to overlap at least a part of peripheral wiring lines; and second light blocking layer arranged between substrate and peripheral wiring line, wherein first light blocking layer overlaps at least a part of second light blocking layer so as to partly sandwich peripheral wiring lines between first and second light blocking layers.
    Type: Application
    Filed: October 11, 2021
    Publication date: January 27, 2022
    Inventor: Yoshikatsu IMAZEKI
  • Publication number: 20220012450
    Abstract: Provided are a fingerprint detection device and a display device that can reduce the occurrence of unintended patterns. The fingerprint detection device has a plurality of drive electrodes and a plurality of detection electrodes. The detection electrodes have a plurality of first line parts, a plurality of second line parts extending in a direction crossing the first line parts, and bent parts coupling the first line parts and the second line parts to each other. The drive electrodes have a plurality of electrodes arranged spaced apart from each other in a plan view, connecting parts coupling the electrodes adjacent to each other in the second direction to each other, and dummy electrodes in a floating state, each of the dummy electrodes being arranged between two electrodes arranged in the first direction between two detection electrodes.
    Type: Application
    Filed: September 23, 2021
    Publication date: January 13, 2022
    Inventors: Koichi MIYASAKA, Yoshikatsu IMAZEKI, Yoichi KAMIJO, Shuichi OSAWA, Yoshihiro WATANABE
  • Patent number: 11163409
    Abstract: A touch panel is provided and includes a substrate having first and second face sides, the first face side being an inputting face side and the second face side being opposite to the first face side; a conductive member that is arranged on the substrate, and that configures input position detecting electrodes in an inputting region; a mounting terminal in a peripheral region that is outside the inputting region in a plan view; peripheral wiring lines disposed in the peripheral region, each having a first end electrically connected to the mounting terminal and a second end connected to one of the input position detecting electrodes; a first light blocking layer arranged on the substrate so as to cover at least a part of the peripheral wiring lines when viewed from the first face side of the substrate; and a second light blocking layer arranged between the substrate and the peripheral wiring line, wherein the first light blocking layer overlaps at least a part of the second light blocking layer so as to partly
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: November 2, 2021
    Assignee: Japan Display Inc.
    Inventor: Yoshikatsu Imazeki
  • Publication number: 20210318562
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate opposing the first substrate, a liquid crystal layer and a light source that emits light to the liquid crystal layer, and the first substrate includes a first portion opposing the second substrate and having a first thickness and a second portion not opposing the second substrate and having a second thickness which is less than the first thickness, and the light source is disposed on the second portion, and the light source includes a first surface opposing the second portion and a second surface opposing the first surface, and a wiring substrate is disposed on the second surface so that the wiring substrate does not protrude with respect to the second substrate in a thickness direction.
    Type: Application
    Filed: June 24, 2021
    Publication date: October 14, 2021
    Inventors: Yoichi KAMIJO, Yoshikatsu IMAZEKI, Shuichi OSAWA, Yoshihiro WATANABE, Koichi MIYASAKA
  • Publication number: 20210280413
    Abstract: An electronic apparatus is provided and includes a first substrate comprising a first conductive layer; a second substrate which is opposed to the first conductive layer and is separated from the first conductive layer, the second substrate including a second conductive layer, and a first hole penetrating the second substrate; and a connecting material which electrically connects the first conductive layer and the second conductive layer via the first hole, wherein the connecting material consists of a single material; and the second conductive layer is located on the second substrate on a side opposite to a side that is opposed to the first conductive layer.
    Type: Application
    Filed: May 24, 2021
    Publication date: September 9, 2021
    Inventors: Yoshikatsu IMAZEKI, Shoji HINATA
  • Publication number: 20210231999
    Abstract: According to one embodiment, a display device includes a first substrate including an electrode, a second substrate including a substrate edge, a transparent conductive film including an extended portion, an optical element adhered to the transparent conductive film, and a connecting member. The connecting member is in contact with the substrate edge and electrically connects the electrode and the extended portion. The optical element includes a penetration portion. The penetration portion and the connecting member are arranged in a direction intersecting an extending direction of the substrate edge.
    Type: Application
    Filed: April 16, 2021
    Publication date: July 29, 2021
    Inventors: Yoshikatsu IMAZEKI, Yoichi KAMIJO, Yoshihiro WATANABE, Koichi MIYASAKA, Shuichi OSAWA
  • Publication number: 20210223622
    Abstract: According to one embodiment, a display device includes a display panel comprising a first substrate, a second substrate opposing the first substrate, and a first cutout portion cut in each of the first substrate and the second substrate and a flexible substrate comprising a bent portion which is bent and mounted on a mounting portion located in the first cutout portion, and the bent portion passes through the first cutout portion.
    Type: Application
    Filed: April 2, 2021
    Publication date: July 22, 2021
    Inventors: Yoichi KAMIJO, Yoshikatsu IMAZEKI, Shuichi OSAWA, Yoshihiro WATANABE, Koichi MIYASAKA
  • Publication number: 20210191210
    Abstract: According to one embodiment, a display device includes a display panel, a first wiring board mounted on the display panel, and a backlight unit located on a back surface side of the display panel to illuminate the display panel. The backlight unit includes a casing which includes a bottom plate including a first slit and a side plate standing at the bottom plate, and a light guide arranged in the casing. The first wiring board passes between the side plate and the light guide and through the first slit and is bent toward a back surface side of the casing.
    Type: Application
    Filed: March 5, 2021
    Publication date: June 24, 2021
    Inventors: Yoshihiro WATANABE, Yoshikatsu IMAZEKI, Yoichi KAMIJO, Koichi MIYASAKA, Shuichi OSAWA
  • Publication number: 20210181816
    Abstract: According to one embodiment, a display device includes a first insulating substrate including a first substrate end, a second insulating substrate including an outer surface and a second substrate end, an electrode located between the first substrate end and the second substrate end, and a transparent conductive layer disposed on a side on which the outer surface is located. The outer surface includes a flat portion and a sloping portion. A thickness on a side on which the second substrate end is located is less than a thickness on a side on which the flat portion is located. The transparent conductive layer overlaps the sloping portion and is electrically connected to the electrode.
    Type: Application
    Filed: February 26, 2021
    Publication date: June 17, 2021
    Inventors: Yoshihiro WATANABE, Yoshikatsu IMAZEKI, Yoichi KAMIJO, Koichi MIYASAKA, Shuichi OSAWA
  • Patent number: 11018000
    Abstract: According to one embodiment, an electronic apparatus including a first substrate comprising a first conductive layer; a second substrate which is opposed to the first conductive layer and is separated from the first conductive layer, the second substrate including: a second conductive layer, and a first hole penetrating the second substrate; and a connecting material which electrically connects the first conductive layer and the second conductive layer via the first hole, wherein the second conductive layer is located on the second substrate on a side opposite to a side that is opposed to the first conductive layer.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: May 25, 2021
    Assignee: Japan Display Inc.
    Inventors: Yoshikatsu Imazeki, Shoji Hinata
  • Publication number: 20200359494
    Abstract: A display device is provided and includes first substrate comprising first base member, first terminal and pixel electrodes; second substrate comprising second base member comprising first surface opposing and spaced apart from first terminal and second surface on an opposite side to first surface, second terminal located on side of second surface, and first hole which penetrates from first surface to second surface and second terminal; organic insulating layer provided between first terminal and second base member and adjacent to display area, organic insulating layer having second hole beneath first hole; and connecting material provided on first and second hole to electrically connect first terminal and second terminal, wherein organic insulating layer includes sealant attaches first substrate and second substrate, diameter of second hole is greater than diameter of first hole, and at least one of first terminal and second terminal including oxide electrode in contact with connecting material.
    Type: Application
    Filed: July 24, 2020
    Publication date: November 12, 2020
    Inventors: Shuichi OSAWA, Shoji HINATA, Yoshikatsu IMAZEKI, Yoichi KAMIJO, Yoshihiro WATANABE