Patents by Inventor Junko NAGASAWA

Junko NAGASAWA 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: 20240111183
    Abstract: According to one embodiment, a display device includes a first scanning line, a second scanning line, an inorganic insulating layer, a first projection located just above the first scanning line and disposed on the inorganic insulating layer, a second projection located just above the second scanning line and disposed on the inorganic insulating layer, a first color filter disposed on the inorganic insulating layer between the first projection and the second projection, an organic insulating layer covering the first projection, the second projection, and the first color filter. A width of the first projection is smaller than a width of the first scanning line. A width of the second projection is smaller than a width of the second scanning line.
    Type: Application
    Filed: October 3, 2023
    Publication date: April 4, 2024
    Applicant: Japan Display Inc.
    Inventor: Junko NAGASAWA
  • Publication number: 20240079415
    Abstract: A display device includes an array substrate, and a counter substrate. The array substrate includes a plurality of signal lines arranged at an interval in a first direction, a plurality of scanning lines arranged at an interval in a second direction, a color filter, a plurality of pixel electrodes disposed for respective pixels, a common electrode superimposed on the plurality of pixel electrodes with an insulating film interposed between the common electrode and the plurality of pixel electrodes, and an insulating film covering the color filters. A contact hole is a recessed part opened through the insulating film and electrically couples the pixel electrode and the semiconductor, and a first flattening film is insulating and fills the recessed part of the contact hole.
    Type: Application
    Filed: September 6, 2023
    Publication date: March 7, 2024
    Applicant: Japan Display Inc.
    Inventors: Junko NAGASAWA, Yuji MAEDE
  • Patent number: 11886081
    Abstract: According to one embodiment, a liquid crystal device includes a first liquid crystal cell and a second liquid crystal cell bonded to the first liquid crystal cell. Each of the first liquid crystal cell and the second liquid crystal cell includes a first substrate, a second substrate, a liquid crystal layer, a sealant bonding the first substrate and the second substrate together, one or more first spacers disposed inside the sealant and holding the gap, and a plurality of second spacers disposed in an effective area surrounded by the sealant and holding the gap.
    Type: Grant
    Filed: March 13, 2023
    Date of Patent: January 30, 2024
    Assignee: JAPAN DISPLAY INC.
    Inventors: Junko Nagasawa, Hiroya Morimoto, Yuji Maede
  • Publication number: 20240019732
    Abstract: According to one embodiment, a liquid crystal device includes a plurality of first light-shielding members arranged at a first pitch, a first organic insulating film covering the first light-shielding members, a plurality of second light-shielding members overlapping the first light-shielding members, a second organic insulating film covering the second light-shielding members, a plurality of third light-shielding members overlapping the second light-shielding members, a third organic insulating film covering the third light-shielding members, and a plurality of first electrodes arranged at a second pitch that is smaller than the first pitch.
    Type: Application
    Filed: July 17, 2023
    Publication date: January 18, 2024
    Applicant: Japan Display Inc.
    Inventors: Junko NAGASAWA, Jin HIROSAWA
  • Patent number: 11860456
    Abstract: According to one embodiment, a liquid crystal device includes a plurality of first light-shielding members arranged at a first pitch, a first organic insulating film covering the first light-shielding members, a plurality of second light-shielding members overlapping the first light-shielding members, a second organic insulating film covering the second light-shielding members, a plurality of third light-shielding members overlapping the second light-shielding members, a third organic insulating film covering the third light-shielding members, and a plurality of first electrodes arranged at a second pitch that is smaller than the first pitch.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: January 2, 2024
    Assignee: JAPAN DISPLAY INC.
    Inventors: Junko Nagasawa, Jin Hirosawa
  • Publication number: 20230394867
    Abstract: According to an aspect, a detection device includes: a substrate having a detection region; a plurality of photodiodes provided in the detection region; a first light-transmitting resin layer provided so as to cover the photodiodes; a light-blocking layer provided on the upper side of the first light-transmitting resin layer and provided with openings in regions overlapping the respective photodiodes; a second light-transmitting resin layer provided so as to cover the light-blocking layer; and a plurality of lenses provided on the upper side of the second light-transmitting resin layer so as to overlap the respective photodiodes. The second light-transmitting resin layer is provided so as to cover an end on a peripheral side of the light-blocking layer on a peripheral side of the substrate.
    Type: Application
    Filed: August 23, 2023
    Publication date: December 7, 2023
    Inventors: Junko NAGASAWA, Shigeru TABATAKE, Tetsuya YAMAMOTO
  • Patent number: 11822194
    Abstract: According to one embodiment, a display device includes a semiconductor layer, a first insulating layer, a gate electrode, a second insulating layer, a third insulating layer, a color filter, and transparent conductive layers including a pixel electrode, a first conductive layer, and a second conductive layer. The first conductive layer is located between the second insulating layer and the third insulating layer, and is in contact with a second area of the semiconductor layer. The second conductive layer is located on the color filter and is in contact with the first conductive layer. The pixel electrode is located on the second conductive layer and is in contact with the second conductive layer.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: November 21, 2023
    Assignee: Japan Display Inc.
    Inventors: Fumiya Kimura, Isao Suzumura, Junko Nagasawa, Atsuko Imoto
  • Patent number: 11816918
    Abstract: According to one embodiment, an electronic apparatus comprises a first substrate that includes a sensor element, a first light-shielding layer, and a first pinhole that is provided between the first light-shielding layers adjacent to each other, and a second substrate that includes a second light-shielding layer that is provided in contact with a base, a second pinhole that is provided between the second light-shielding layers adjacent to each other, a third light-shielding layer that is in contact with an insulating layer, a third pinhole that is provided between the third light-shielding layers adjacent to each other, wherein a transparent resin layer is provided inside the third pinhole.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: November 14, 2023
    Assignee: Japan Display Inc.
    Inventors: Yasuhiro Takahashi, Junko Nagasawa
  • Patent number: 11796853
    Abstract: According to one embodiment, a liquid crystal device includes a plurality of light-shielding members arranged at a first pitch in a first direction, a overcoat layer covering the light-shielding members, and a plurality of first electrodes arranged on the overcoat layer in the first direction at a second pitch that is smaller than the first pitch. The light-shielding members are each formed as a wall having a width along the first direction and a thickness that is greater than the width.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: October 24, 2023
    Assignee: JAPAN DISPLAY INC.
    Inventor: Junko Nagasawa
  • Publication number: 20230213821
    Abstract: According to one embodiment, a liquid crystal device includes a first liquid crystal cell and a second liquid crystal cell bonded to the first liquid crystal cell. Each of the first liquid crystal cell and the second liquid crystal cell includes a first substrate, a second substrate, a liquid crystal layer, a sealant bonding the first substrate and the second substrate together, one or more first spacers disposed inside the sealant and holding the gap, and a plurality of second spacers disposed in an effective area surrounded by the sealant and holding the gap.
    Type: Application
    Filed: March 13, 2023
    Publication date: July 6, 2023
    Applicant: Japan Display Inc.
    Inventors: Junko NAGASAWA, Hiroya MORIMOTO, Yuji MAEDE
  • Patent number: 11650463
    Abstract: According to one embodiment, a liquid crystal device includes a first liquid crystal cell and a second liquid crystal cell bonded to the first liquid crystal cell. Each of the first liquid crystal cell and the second liquid crystal cell includes a first substrate, a second substrate, a liquid crystal layer, a sealant bonding the first substrate and the second substrate together, one or more first spacers disposed inside the sealant and holding the gap, and a plurality of second spacers disposed in an effective area surrounded by the sealant and holding the gap.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: May 16, 2023
    Assignee: JAPAN DISPLAY INC.
    Inventors: Junko Nagasawa, Hiroya Morimoto, Yuji Maede
  • Publication number: 20230073297
    Abstract: According to one embodiment, a liquid crystal device includes a plurality of first light-shielding members arranged at a first pitch, a first organic insulating film covering the first light-shielding members, a plurality of second light-shielding members overlapping the first light-shielding members, a second organic insulating film covering the second light-shielding members, a plurality of third light-shielding members overlapping the second light-shielding members, a third organic insulating film covering the third light-shielding members, and a plurality of first electrodes arranged at a second pitch that is smaller than the first pitch.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 9, 2023
    Applicant: Japan Display Inc.
    Inventors: Junko NAGASAWA, Jin HIROSAWA
  • Publication number: 20230072237
    Abstract: According to one embodiment, a liquid crystal device includes a plurality of light-shielding members arranged at a first pitch in a first direction, a overcoat layer covering the light-shielding members, and a plurality of first electrodes arranged on the overcoat layer in the first direction at a second pitch that is smaller than the first pitch. The light-shielding members are each formed as a wall having a width along the first direction and a thickness that is greater than the width.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 9, 2023
    Applicant: Japan Display Inc.
    Inventor: Junko NAGASAWA
  • Publication number: 20220373846
    Abstract: According to one embodiment, a display device includes a semiconductor layer, a first insulating layer, a gate electrode, a second insulating layer, a third insulating layer, a color filter, and transparent conductive layers including a pixel electrode, a first conductive layer, and a second conductive layer. The first conductive layer is located between the second insulating layer and the third insulating layer, and is in contact with a second area of the semiconductor layer. The second conductive layer is located on the color filter and is in contact with the first conductive layer. The pixel electrode is located on the second conductive layer and is in contact with the second conductive layer.
    Type: Application
    Filed: May 20, 2022
    Publication date: November 24, 2022
    Inventors: Fumiya KIMURA, Isao SUZUMURA, Junko NAGASAWA, Atsuko IMOTO
  • Publication number: 20220336716
    Abstract: A display device includes a light emitting element and a first optical adjustment member located over the light emitting element and overlapping the light emitting element. An area of an upper surface of the first optical adjustment member is larger than an area of a lower surface of the first optical adjustment member. The display device further includes a second optical adjustment member in contact with a side surface of the first optical adjustment member. A refractive index of the second optical member is smaller than a refractive index of the first optical adjustment member.
    Type: Application
    Filed: April 12, 2022
    Publication date: October 20, 2022
    Applicant: Japan Display Inc.
    Inventors: Jin HIROSAWA, Masanobu IKEDA, Yoshinori TANAKA, Junko NAGASAWA
  • Patent number: 11402697
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate opposing the first substrate, a first spacer projecting from the second substrate towards the first substrate and including a distal end portion opposing the first substrate with a gap therebetween, a second spacer projecting from the second substrate towards the first substrate and in contact with the first substrate and an adhesive member adhering the distal end portion and the first substrate together. A total height of the first spacer and the adhesive member is the same as a height of the second spacer.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: August 2, 2022
    Assignee: Japan Display Inc.
    Inventors: Junko Nagasawa, Kasumi Hase
  • Publication number: 20220222965
    Abstract: According to one embodiment, an electronic apparatus comprises a first substrate that includes a sensor element, a first light-shielding layer, and a first pinhole that is provided between the first light-shielding layers adjacent to each other, and a second substrate that includes a second light-shielding layer that is provided in contact with a base, a second pinhole that is provided between the second light-shielding layers adjacent to each other, a third light-shielding layer that is in contact with an insulating layer, a third pinhole that is provided between the third light-shielding layers adjacent to each other, wherein a transparent resin layer is provided inside the third pinhole.
    Type: Application
    Filed: January 13, 2022
    Publication date: July 14, 2022
    Applicant: Japan Display Inc.
    Inventors: Yasuhiro TAKAHASHI, Junko NAGASAWA
  • Publication number: 20220187647
    Abstract: According to one embodiment, a liquid crystal device includes a first liquid crystal cell and a second liquid crystal cell bonded to the first liquid crystal cell. Each of the first liquid crystal cell and the second liquid crystal cell includes a first substrate, a second substrate, a liquid crystal layer, a sealant bonding the first substrate and the second substrate together, one or more first spacers disposed inside the sealant and holding the gap, and a plurality of second spacers disposed in an effective area surrounded by the sealant and holding the gap.
    Type: Application
    Filed: December 9, 2021
    Publication date: June 16, 2022
    Applicant: Japan Display Inc.
    Inventors: Junko NAGASAWA, Hiroya MORIMOTO, Yuji MAEDE
  • Publication number: 20220091304
    Abstract: According to one embodiment, a method for manufacturing a microlens array includes forming a first resin layer, exposing the first resin layer through a photomask, developing the first resin layer to form a vacant space of the first resin layer, melting the first resin layer to form a first microlens, forming a second resin layer over the first microlens and the vacant space, exposing the second resin layer in a state where a light shielding portion faces the vacant space and a light transmissive portion faces the first microlens, developing the second resin layer, and melting the second resin layer to form a second microlens in contact with the first microlens.
    Type: Application
    Filed: September 17, 2021
    Publication date: March 24, 2022
    Applicant: Japan Display Inc.
    Inventor: Junko NAGASAWA
  • Publication number: 20210333600
    Abstract: According to one embodiment, a display device includes flexible first and second substrates, first and second protrusions protruding from the second substrate toward the first substrate, a sealing member bonding the first substrate and the second substrate together in a peripheral region outside a display region including a pixel, a first adhesive bonding the first protrusion and the first substrate together, and a second adhesive bonding the second protrusion and the first substrate together. The second protrusion is located closer to an end of the second substrate than the first protrusion. A width of the first protrusion is greater than a width of the second protrusion.
    Type: Application
    Filed: July 7, 2021
    Publication date: October 28, 2021
    Applicant: Japan Display Inc.
    Inventor: Junko NAGASAWA