Patents by Inventor Jin Hirosawa
Jin Hirosawa 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: 20240142827Abstract: According to one embodiment, an optical control element comprises a first substrate, a second substrate, a liquid crystal layer arranged between the first substrate and the second substrate, the first substrate include a first electrode, a second electrode provided on the first electrode, and a high-resistance layer provided on the first electrode and the second electrode, wherein the second substrate comprises a third electrode, a plurality of circular apertures are provided in each of the second electrodes, and lines connecting centers of the plurality of apertures constitute a triangle.Type: ApplicationFiled: October 24, 2023Publication date: May 2, 2024Applicant: Japan Display Inc.Inventors: Jin HIROSAWA, Shunichi KIMURA, Toshiharu MATSUSHIMA, Yuji MAEDE, Shinichi KOMURA
-
Publication number: 20240126115Abstract: According to one embodiment, an optical control element includes a plurality of lens forming regions along a first direction and a second direction orthogonal to the first direction, each of the lens forming regions includes an annularly shaped second electrode and a circularly shaped first electrode provided on an inner side of the second electrode, a plurality of first wiring lines connected to the first electrodes each include a first stem portion extending in a zigzag shape along the second direction and a plurality of first branch portions extending from the first stem, and each of the first branch portions overlap the plurality of first electrodes, respectively.Type: ApplicationFiled: October 5, 2023Publication date: April 18, 2024Applicant: Japan Display Inc.Inventors: Shunichi KIMURA, Toshiharu MATSUSHIMA, Jin HIROSAWA, Yuji MAEDE
-
Patent number: 11927845Abstract: According to one embodiment, a display device including a second substrate including, a frame-like first light shielding member having a first opening overlapping an optical sensor, a transparent organic insulating layer covering the first light shielding member, a light shielding layer having a second opening overlapping the first opening, a first pixel opening, a second pixel opening, the first light shielding member includes first and second outer edges extending in a first direction, the first outer edge overlaps with the light shielding layer between the second opening and the first pixel opening, and the second outer edge overlaps with the light shielding layer between the second opening and the second pixel opening.Type: GrantFiled: August 11, 2023Date of Patent: March 12, 2024Assignee: JAPAN DISPLAY INC.Inventor: Jin Hirosawa
-
Publication number: 20240077730Abstract: According to one embodiment, a display device includes a display panel, a first holographic optical element, a second holographic optical element, a polarizer transmitting first linearly polarized light and absorbing second linearly polarized light orthogonal to the first linearly polarized light, a lens element having a lens action of condensing first circularly polarized light of light transmitted through the second holographic optical element, a first retardation film located between the first holographic optical element and the second holographic optical element, a second retardation film located between the polarizer and the lens element, and a third retardation film located between the second holographic optical element and the polarizer.Type: ApplicationFiled: September 5, 2023Publication date: March 7, 2024Applicant: Japan Display Inc.Inventor: Jin HIROSAWA
-
Publication number: 20240036411Abstract: According to one embodiment, a display device includes a display area, a peripheral area, a pixel electrode disposed, a switching element, a scanning line, a signal line, a metal layer which overlaps at least one of the signal line and the scanning line, an antireflection layer which covers the metal layer, a common electrode which covers the antireflection layer and a power supply line disposed in the peripheral area, to which a common voltage is supplied. The common electrode and the metal layer are connected to the power supply line in the peripheral area.Type: ApplicationFiled: October 12, 2023Publication date: February 1, 2024Applicant: Japan Display Inc.Inventors: Kyosuke WATANABE, Jin HIROSAWA, Masanobu IKEDA
-
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
-
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
-
Patent number: 11841515Abstract: According to one embodiment, a lens array comprises a plurality of lens elements. Each of the plurality of lens elements comprises a boundary surface of two layers with different refractive indices, and an actuator configured to deform the boundary surface.Type: GrantFiled: September 29, 2021Date of Patent: December 12, 2023Assignee: JAPAN DISPLAY INC.Inventor: Jin Hirosawa
-
Publication number: 20230384633Abstract: According to one embodiment, a display device including a second substrate including, a frame-like first light shielding member having a first opening overlapping an optical sensor, a transparent organic insulating layer covering the first light shielding member, a light shielding layer having a second opening overlapping the first opening, a first pixel opening, a second pixel opening, the first light shielding member includes first and second outer edges extending in a first direction, the first outer edge overlaps with the light shielding layer between the second opening and the first pixel opening, and the second outer edge overlaps with the light shielding layer between the second opening and the second pixel opening.Type: ApplicationFiled: August 11, 2023Publication date: November 30, 2023Applicant: Japan Display Inc.Inventor: Jin HIROSAWA
-
Patent number: 11822195Abstract: According to one embodiment, a display device includes a display area, a peripheral area, a pixel electrode disposed, a switching element, a scanning line, a signal line, a metal layer which overlaps at least one of the signal line and the scanning line, an antireflection layer which covers the metal layer, a common electrode which covers the antireflection layer and a power supply line disposed in the peripheral area, to which a common voltage is supplied. The common electrode and the metal layer are connected to the power supply line in the peripheral area.Type: GrantFiled: September 2, 2022Date of Patent: November 21, 2023Assignee: JAPAN DISPLAY INC.Inventors: Kyosuke Watanabe, Jin Hirosawa, Masanobu Ikeda
-
Patent number: 11796845Abstract: According to one embodiment, a louver includes a first transparent substrate, a first organic insulating film provided on an inner surface side of the first transparent substrate, and including a first inclined surface and a second inclined surface, a first reflective layer provided along the first inclined surface, and a second reflective layer provided along the second inclined surface. The first reflective layer includes a first reflective surface. The second reflective layer includes a second reflective surface. An interval between the first reflective surface and the second reflective surface increases with distance from the first transparent substrate.Type: GrantFiled: January 9, 2023Date of Patent: October 24, 2023Assignee: JAPAN DISPLAY INC.Inventors: Yasuhiro Takahashi, Jin Hirosawa
-
Publication number: 20230325020Abstract: According to an aspect, a display device with a sensor includes: a first substrate; detection electrodes arrayed in a matrix in a first direction and a second direction intersecting the first direction above the first substrate; sensor wires coupled to one of the detection electrodes; pixels each including sub-pixels and arrayed in a matrix in the first and second directions; scanning lines scanning switching elements of the sub-pixels and extending in the first direction; and signal lines coupled to the switching elements and extending in the second direction. One of the sensor wires overlaps one of the signal lines. The sensor wires each have, at a part thereof, a coupling part coupled to the corresponding detection electrode. The pixels include a first pixel with the coupling part and a second pixel without the coupling part. The first and second pixels are alternately disposed in the first and second directions.Type: ApplicationFiled: June 15, 2023Publication date: October 12, 2023Applicant: Japan Display Inc.Inventors: Yoshinori AOKI, Yuji MAEDE, Jin HIROSAWA, Yuzo KANARI
-
Patent number: 11768416Abstract: According to one embodiment, a display device includes an insulating substrate having a main surface, a switching element, a first pixel electrode electrically connected to the switching element, a second pixel electrode adjacent to the first pixel electrode, a wiring line provided between the first pixel electrode and the second pixel electrode, a convex portion provided between the wiring line and a liquid crystal layer, overlapping the wiring line and extending along the wiring line, and a black film formed into a belt-like shape overlapping the convex portion and having an inclined surface which inclines with respect to the main surface.Type: GrantFiled: December 2, 2022Date of Patent: September 26, 2023Assignee: JAPAN DISPLAY INC.Inventors: Toshiharu Matsushima, Jin Hirosawa
-
Patent number: 11737341Abstract: According to one embodiment, a detection device comprises a base, a sensor layer, a collimator, a plurality of lenses, and a spacer. The sensor layer is placed on the base and includes a plurality of sensors which output detection signals corresponding to incident light. The collimator layer is placed on the sensor layer and includes a collimator having a plurality of openings which overlap the sensors, respectively. The plurality of lenses are placed on the collimator layer and overlap the openings, respectively. The spacer protrudes more than the lenses in a stacking direction of the base, the sensor layer and the collimator layer.Type: GrantFiled: March 10, 2022Date of Patent: August 22, 2023Assignee: Japan Display Inc.Inventors: Tomoyuki Ito, Jin Hirosawa
-
Patent number: 11720195Abstract: According to an aspect, a display device with a sensor includes: a first substrate; detection electrodes arrayed in a matrix in a first direction and a second direction intersecting the first direction above the first substrate; sensor wires coupled to one of the detection electrodes; pixels each including sub-pixels and arrayed in a matrix in the first and second directions; scanning lines scanning switching elements of the sub-pixels and extending in the first direction; and signal lines coupled to the switching elements and extending in the second direction. One of the sensor wires overlaps one of the signal lines. The sensor wires each have, at a part thereof, a coupling part coupled to the corresponding detection electrode. The pixels include a first pixel with the coupling part and a second pixel without the coupling part. The first and second pixels are alternately disposed in the first and second directions.Type: GrantFiled: February 18, 2022Date of Patent: August 8, 2023Assignee: Japan Display Inc.Inventors: Yoshinori Aoki, Yuji Maede, Jin Hirosawa, Yuzo Kanari
-
Publication number: 20230221592Abstract: According to one embodiment, a louver includes a first transparent substrate, a first organic insulating film provided on an inner surface side of the first transparent substrate, and including a first inclined surface and a second inclined surface, a first reflective layer provided along the first inclined surface, and a second reflective layer provided along the second inclined surface. The first reflective layer includes a first reflective surface. The second reflective layer includes a second reflective surface. An interval between the first reflective surface and the second reflective surface increases with distance from the first transparent substrate.Type: ApplicationFiled: January 9, 2023Publication date: July 13, 2023Applicant: Japan Display Inc.Inventors: Yasuhiro TAKAHASHI, Jin HIROSAWA
-
Patent number: 11698558Abstract: A display device includes: a first pixel including a first sub-pixel, a second sub-pixel, and a third sub-pixel; and a second pixel including the first sub-pixel, the second sub-pixel, and a fourth sub-pixel. The first pixel and the second pixel are alternately arranged in a row direction and a column direction. The third sub-pixel and the fourth sub-pixel are alternately arranged in the column direction. A branch electrode in one of two first sub-pixels adjacent in the column direction extends in a first direction, and a branch electrode in the other thereof extends in a second direction. A branch electrode in one of two second sub-pixels adjacent in the column direction extends in the first direction, and a branch electrode in the other thereof extends in the second direction. Each branch electrode in the third sub-pixel and the fourth sub-pixel includes a bending portion.Type: GrantFiled: December 22, 2020Date of Patent: July 11, 2023Assignee: Japan Display Inc.Inventors: Masaaki Kabe, Jin Hirosawa, Hayato Kurasawa
-
Publication number: 20230194941Abstract: According to one embodiment, a display device includes an insulating substrate having a main surface, a switching element, a first pixel electrode electrically connected to the switching element, a second pixel electrode adjacent to the first pixel electrode, a wiring line provided between the first pixel electrode and the second pixel electrode, a convex portion provided between the wiring line and a liquid crystal layer, overlapping the wiring line and extending along the wiring line, and a black film formed into a belt-like shape overlapping the convex portion and having an inclined surface which inclines with respect to the main surface.Type: ApplicationFiled: December 2, 2022Publication date: June 22, 2023Applicant: Japan Display Inc.Inventors: Toshiharu MATSUSHIMA, Jin HIROSAWA
-
Patent number: 11668964Abstract: According to one embodiment, a viewing angle control element includes an electrochromic layer, a plurality of projections formed on a first base, a first area and a second area provided on each of the projections, a first transparent electrode provided on the first area, and a second transparent electrode provided on the second area, wherein the first transparent electrode and the second transparent electrode are electrically independent of each other.Type: GrantFiled: September 9, 2021Date of Patent: June 6, 2023Assignee: JAPAN DISPLAY INC.Inventors: Yasuhiro Takahashi, Jin Hirosawa
-
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