Patents by Inventor Yoichi KAMIJO

Yoichi KAMIJO 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: 20230015331
    Abstract: According to an aspect, a detection device includes: drive electrodes; detection electrodes; and dummy electrodes in a floating state. The drive electrodes include a first electrode extending in a first direction, and a second electrode disposed at a predetermined interval from the first electrode in a second direction intersecting the first direction. The detection electrodes include a third electrode extending in the second direction. The dummy electrodes include a fourth electrode disposed at a predetermined interval from the third electrode in the first direction. The first electrode includes a first extension part, a second extension part, and a first coupling part. The second electrode includes a third extension part, a fourth extension part, and a second coupling part. The third electrode includes a fifth extension part, a sixth extension part, and a third coupling part. The fourth electrode includes a seventh extension part, and an eighth extension part.
    Type: Application
    Filed: September 23, 2022
    Publication date: January 19, 2023
    Inventors: Koichi MIYASAKA, Yoshikatsu IMAZEKI, Yoichi KAMIJO, Shuichi OSAWA, Toshinori UEHARA
  • Publication number: 20230019991
    Abstract: According to one embodiment, a detection device includes a base, a sensor electrode provided on the base, the sensor electrode bending in a planar view, an insulating layer on the sensor electrode, and a projection provided on the insulating layer, wherein the sensor electrode is apart from the projection in a planar view.
    Type: Application
    Filed: September 22, 2022
    Publication date: January 19, 2023
    Inventors: Koichi MIYASAKA, Yoshikatsu IMAZEKI, Yoichi KAMIJO, Shuichi OSAWA, Yoshifumi KAMEI
  • Publication number: 20230013526
    Abstract: According to one embodiment, a display device includes a first insulating substrate including a first surface, a second surface on an opposite side to the first surface and a concave portion located in the second surface, and a first light-emitting element and a second light-emitting element, located in the concave portion, and an inner wall of the concave portion includes a first inclined area and a second inclined area opposing the first inclined area, the first light-emitting element being located on the first inclined area, and the second light-emitting element being located on the second inclined area.
    Type: Application
    Filed: September 22, 2022
    Publication date: January 19, 2023
    Inventors: Shuichi OSAWA, Yoshikatsu IMAZEKI, Yoichi KAMIJO, Koichi MIYASAKA
  • 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
  • Publication number: 20230019409
    Abstract: Disclosed is a light-emitting element including a first electrode, a first light-emitting layer, an ionic-liquid layer, a second light-emitting layer, and a second electrode. The first light-emitting layer is located over the first electrode and includes a first emissive polymer and an ionic liquid. The ionic-liquid layer is located over the first light-emitting layer and includes an ionic liquid. The second light-emitting layer is located over the ionic-liquid layer and includes a second emissive polymer and an ionic liquid. The second electrode is located over the second light-emitting layer. The light-emitting element may further include a first substrate under the first electrode, a second substrate over the second electrode, and a sealing layer located between the first substrate and the second substrate and surrounding the first electrode.
    Type: Application
    Filed: September 21, 2022
    Publication date: January 19, 2023
    Inventors: Yoshifumi KAMEI, Yoshikatsu IMAZEKI, Yoichi KAMIJO, Koichi MIYASAKA, Shuichi OSAWA
  • Publication number: 20230019559
    Abstract: A detection device includes a substrate, a plurality of drive electrodes disposed at the substrate, each extending in a first direction, and arranged in a second direction intersecting the first direction, and a plurality of detection electrodes opposed to the drive electrodes, each extending in the second direction, and arranged in the first direction. Each of the drive electrodes and the detection electrodes has a plurality of superimposed portions and a connecting portion connecting the superimposed portions, one of the superimposed portions of one of the drive electrodes and one of the superimposed portions of one of the detection electrodes are superimposed over each other and extend linearly in a same direction, and in a planar view from a direction perpendicular to the substrate, some of the superimposed portions and some of the connection portions form a first closed region closed annularly.
    Type: Application
    Filed: September 21, 2022
    Publication date: January 19, 2023
    Inventors: Yoshikatsu IMAZEKI, Yoichi KAMIJO, Koichi MIYASAKA, Shuichi OSAWA, 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: 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: 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
  • 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: 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
  • 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