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).
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Publication number: 20240111183Abstract: 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: ApplicationFiled: October 3, 2023Publication date: April 4, 2024Applicant: Japan Display Inc.Inventor: Junko NAGASAWA
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Publication number: 20240079415Abstract: 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: ApplicationFiled: September 6, 2023Publication date: March 7, 2024Applicant: Japan Display Inc.Inventors: Junko NAGASAWA, Yuji MAEDE
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Patent number: 11886081Abstract: 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: GrantFiled: March 13, 2023Date of Patent: January 30, 2024Assignee: JAPAN DISPLAY INC.Inventors: Junko Nagasawa, Hiroya Morimoto, Yuji Maede
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Publication number: 20240019732Abstract: 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: ApplicationFiled: July 17, 2023Publication date: January 18, 2024Applicant: Japan Display Inc.Inventors: Junko NAGASAWA, Jin HIROSAWA
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Patent number: 11860456Abstract: 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: GrantFiled: September 8, 2022Date of Patent: January 2, 2024Assignee: JAPAN DISPLAY INC.Inventors: Junko Nagasawa, Jin Hirosawa
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Publication number: 20230394867Abstract: 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: ApplicationFiled: August 23, 2023Publication date: December 7, 2023Inventors: Junko NAGASAWA, Shigeru TABATAKE, Tetsuya YAMAMOTO
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Patent number: 11822194Abstract: 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: GrantFiled: May 20, 2022Date of Patent: November 21, 2023Assignee: Japan Display Inc.Inventors: Fumiya Kimura, Isao Suzumura, Junko Nagasawa, Atsuko Imoto
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Patent number: 11816918Abstract: 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: GrantFiled: January 13, 2022Date of Patent: November 14, 2023Assignee: Japan Display Inc.Inventors: Yasuhiro Takahashi, Junko Nagasawa
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Patent number: 11796853Abstract: 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: GrantFiled: September 8, 2022Date of Patent: October 24, 2023Assignee: JAPAN DISPLAY INC.Inventor: Junko Nagasawa
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Publication number: 20230213821Abstract: 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: ApplicationFiled: March 13, 2023Publication date: July 6, 2023Applicant: Japan Display Inc.Inventors: Junko NAGASAWA, Hiroya MORIMOTO, Yuji MAEDE
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Patent number: 11650463Abstract: 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: GrantFiled: December 9, 2021Date of Patent: May 16, 2023Assignee: JAPAN DISPLAY INC.Inventors: Junko Nagasawa, Hiroya Morimoto, Yuji Maede
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Publication number: 20230073297Abstract: 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: ApplicationFiled: September 8, 2022Publication date: March 9, 2023Applicant: Japan Display Inc.Inventors: Junko NAGASAWA, Jin HIROSAWA
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Publication number: 20230072237Abstract: 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: ApplicationFiled: September 8, 2022Publication date: March 9, 2023Applicant: Japan Display Inc.Inventor: Junko NAGASAWA
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Publication number: 20220373846Abstract: 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: ApplicationFiled: May 20, 2022Publication date: November 24, 2022Inventors: Fumiya KIMURA, Isao SUZUMURA, Junko NAGASAWA, Atsuko IMOTO
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Publication number: 20220336716Abstract: 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: ApplicationFiled: April 12, 2022Publication date: October 20, 2022Applicant: Japan Display Inc.Inventors: Jin HIROSAWA, Masanobu IKEDA, Yoshinori TANAKA, Junko NAGASAWA
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Patent number: 11402697Abstract: 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: GrantFiled: November 18, 2020Date of Patent: August 2, 2022Assignee: Japan Display Inc.Inventors: Junko Nagasawa, Kasumi Hase
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Publication number: 20220222965Abstract: 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: ApplicationFiled: January 13, 2022Publication date: July 14, 2022Applicant: Japan Display Inc.Inventors: Yasuhiro TAKAHASHI, Junko NAGASAWA
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Publication number: 20220187647Abstract: 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: ApplicationFiled: December 9, 2021Publication date: June 16, 2022Applicant: Japan Display Inc.Inventors: Junko NAGASAWA, Hiroya MORIMOTO, Yuji MAEDE
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Publication number: 20220091304Abstract: 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: ApplicationFiled: September 17, 2021Publication date: March 24, 2022Applicant: Japan Display Inc.Inventor: Junko NAGASAWA
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Publication number: 20210333600Abstract: 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: ApplicationFiled: July 7, 2021Publication date: October 28, 2021Applicant: Japan Display Inc.Inventor: Junko NAGASAWA