Patents by Inventor Masanobu Ikeda
Masanobu Ikeda 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: 20230061880Abstract: 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: September 2, 2022Publication date: March 2, 2023Applicant: Japan Display Inc.Inventors: Kyosuke WATANABE, Jin HIROSAWA, Masanobu IKEDA
-
Publication number: 20230056073Abstract: According to one embodiment, an optical device includes a first light-emitting element and a second light-emitting element, a light-shielding layer disposed to overlap a gap between the first light-emitting element and the second light-emitting element and including a first opening overlapping the first light-emitting element and a second opening overlapping the second light-emitting element, an overcoat layer covering the light-shielding layer, a first micro-lens disposed on the overcoat layer and overlapping the first opening and a second micro-lens disposed on the overcoat layer and overlapping the second opening, and an edge of each of the first micro-lens and the second micro-lens overlaps the light-shielding layer.Type: ApplicationFiled: August 17, 2022Publication date: February 23, 2023Applicant: Japan Display Inc.Inventors: Jin HIROSAWA, Yoshinori TANAKA, Masanobu IKEDA
-
Patent number: 11588384Abstract: In manufacturing a magnet embedded core, creation of flash, and problems associated with flash are prevented. A device for manufacturing the magnet embedded core comprises a base (32) comprising an upper surface at which a resin pot chamber (64) for storing molten resin opens, a separator plate (36) detachably placed on the upper surface of the base (32) to support a rotor core (2) thereon and having a gate (50) and a cull opening (52) communicating the magnet insertion hole (4) of the rotor core (2) with the resin pot chamber (64), and a plunger (62) movably provided in the resin pot chamber (64) to press the molten resin in the resin pot chamber (64) into the magnet insertion hole (4) via the gate (50) and the cull opening (52), wherein an annular recess (66) is formed on the upper surface of the base (32) so as to extend outward of the resin pot chamber (64) and communicate with the resin pot chamber (64).Type: GrantFiled: November 5, 2018Date of Patent: February 21, 2023Assignee: KURODA PRECISION INDUSTRIES LTD.Inventors: Masanobu Ikeda, Tomoaki Murayama
-
Publication number: 20230022736Abstract: A display device includes a first planarization film including an opening, a reflective film provided on an inclined surface inside the opening in the first planarization film, an LED chip surrounded by the reflective film and provided inside the opening, and a second planarization film provided on the first planarization film, surrounding the LED chip, and filling the opening, wherein a height from an upper end of the inclined surface of the first planarization film to an interface with air in the second planarization film is 20 ?m or less.Type: ApplicationFiled: July 11, 2022Publication date: January 26, 2023Applicant: Japan Display Inc.Inventors: Yoshinori TANAKA, Jin HIROSAWA, Masanobu IKEDA
-
Patent number: 11561425Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer and a seal. The second substrate is opposed to the first substrate. The liquid crystal layer is disposed between the first substrate and the second substrate. The seal bonds the first substrate to the second substrate together and seals the liquid crystal layer. The first substrate includes a light source disposed at a position overlapping the seal in a planar view. The light source is sealed by the seal.Type: GrantFiled: June 13, 2022Date of Patent: January 24, 2023Assignee: JAPAN DISPLAY INC.Inventor: Masanobu Ikeda
-
Publication number: 20230014363Abstract: A display device includes a substrate, a plurality of first light-emitting elements and a plurality of second light-emitting elements provided in a display region of the substrate, a first lens provided overlapping each of the first light-emitting elements and having a first diameter in planar view seen from a direction perpendicular to the substrate, and a second lens provided overlapping each of the second light-emitting elements and having a second diameter smaller than the first diameter in planar view seen from the direction perpendicular to the substrate.Type: ApplicationFiled: July 8, 2022Publication date: January 19, 2023Inventors: Masanobu IKEDA, Yoshinori TANAKA, Jin HIROSAWA
-
Publication number: 20230006113Abstract: A display device includes a first electrode, and LED chip on the first electrode, an insulating layer embeds the first electrode, contacts a side surface of the LED chip, and exposes an upper surface, a second electrode having translucency in contact with an upper surface of the insulating layer and the upper surface of the LED chip, and a first reflection control layer on an upper surface of the second electrode and having a first opening in an area overlapping with the LED chip. The first reflection control layer has a first surface on a side of the second electrode and a second surface on opposite to the first surface, and a reflectance of the first surface is higher than a reflectance of the second surface.Type: ApplicationFiled: September 14, 2022Publication date: January 5, 2023Applicant: Japan Display Inc.Inventors: Masanobu IKEDA, Jin HIROSAWA
-
Patent number: 11545076Abstract: According to one embodiment a display device includes first and second sub-pixels, first and second power lines, and a reset line. The first sub-pixel includes a first light emitting element and a first pixel circuit. The second sub-pixel includes a second light emitting element and a second pixel circuit. The first power line supplies power to the first pixel circuit. The second power line supplies power to the second pixel circuit. Reset signal is supplied to the reset line. The reset line and the power lines are arranged in a display region. The reset line is connected to both the pixel circuits. A width of the first power line is larger than a width of the second power line.Type: GrantFiled: July 2, 2021Date of Patent: January 3, 2023Assignee: Japan Display Inc.Inventors: Yoshinori Aoki, Akihiro Ogawa, Masanobu Ikeda
-
Publication number: 20220415988Abstract: According to one embodiment, a display device comprises an insulating base, a plurality of light-emitting elements, a plurality of pixel circuits, and a plurality of lines. The insulating base includes a plurality of first island portions and a plurality of non-linear line portions connecting two of the first island portions. The light-emitting elements are arranged in each of the first island portions. The pixel circuits are arranged in each of the first island portions and driving the light-emitting elements. The lines are arranged in each of the line portions and connected to the pixel circuits of the two first island portions connected by the line portions.Type: ApplicationFiled: August 8, 2022Publication date: December 29, 2022Inventors: Masanobu IKEDA, Yasuhiro KANAYA, Takumi SANO, Yasushi KAWATA
-
Patent number: 11532973Abstract: To prevent the axial compressive force that acts on the rotor core from becoming unnecessarily large and to enable a high-quality magnet embedded core to be manufactured efficiently, a retaining jig (10) for a rotor core (2) including a magnet insertion hole (4) forming a through hole defining openings on end surfaces in an axial direction includes: a first plate (12) configured to contact against one of the end surfaces of the rotor core (2) and including a gate (20) configured to communicate with the corresponding opening of the magnet insertion hole (4); a second plate (14) configured to oppose another of the end surfaces of the rotor core (2); a closure member (26) coupled to the second plate (14) via a compression spring member (28) and configured to be capable of closing the opening of the magnet insertion hole (4) on the other of the end surfaces; and a coupling member (30) that couples the first plate (12) and the second plate (14) to each other such that the closure member (26) closes the opening andType: GrantFiled: October 11, 2018Date of Patent: December 20, 2022Assignee: KURODA PRECISION INDUSTRIES LTD.Inventors: Masanobu Ikeda, Osamu Fukuyama, Tomoaki Murayama
-
Publication number: 20220397786Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer and a seal. The second substrate is opposed to the first substrate. The liquid crystal layer is disposed between the first substrate and the second substrate. The seal bonds the first substrate to the second substrate together and seals the liquid crystal layer. The first substrate includes a light source disposed at a position overlapping the seal in a planar view. The light source is sealed by the seal.Type: ApplicationFiled: June 13, 2022Publication date: December 15, 2022Applicant: Japan Display Inc.Inventor: Masanobu IKEDA
-
Publication number: 20220399320Abstract: A display device includes a substrate, a plurality of pixels provided to the substrate, a plurality of mounting electrodes and a plurality of light-emitting elements provided to the pixels, a first region provided at a center part of a display region of the substrate, and a second region provided closer to an outer end of the substrate than the first region in the display region of the substrate.Type: ApplicationFiled: June 15, 2022Publication date: December 15, 2022Inventor: Masanobu IKEDA
-
Publication number: 20220399319Abstract: A display device includes an array substrate, a plurality of mounting electrodes provided to the array substrate, a columnar conductor for coupling provided to each of the mounting electrodes, a plurality of light-emitting elements provided to the array substrate, a first electrode and a second electrode provided to a surface of each of the light-emitting elements facing the array substrate, the first electrode being coupled to one of an anode and a cathode of the light-emitting element, the second electrode being coupled to the other of the anode and the cathode of the light-emitting element, and a coupling member covering each of the first electrode and the second electrode. The columnar conductor is made of material harder than the coupling member, and an end of the columnar conductor on the light-emitting element side is electrically coupled to the coupling member.Type: ApplicationFiled: June 2, 2022Publication date: December 15, 2022Inventor: Masanobu IKEDA
-
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
-
Publication number: 20220334680Abstract: There are provided a display panel with a touch detector that allows the touch detection electrodes to be less visible, a touch panel, and an electronic unit having the display panel with a touch detector. The display panel with a touch detector includes: a display layer including a plurality of display elements arranged side by side; and an electrode layer alternately segmented into first regions and second regions along a first direction, the electrode layer including a plurality of first slits arranged side by side to extend in a second direction, and a plurality of second slits each allowing an adjacent pair of the plurality of first slits in the second regions to be in communication with one another.Type: ApplicationFiled: July 1, 2022Publication date: October 20, 2022Inventors: Koji ISHIZAKI, Koji NOGUCHI, Masanobu IKEDA, Yasuyuki MATSUI
-
Patent number: 11456329Abstract: A display device, includes: a substrate; a plurality of pixels provided on the substrate; and a plurality of light emitting elements provided in each of the pixels. A first distance between a top surface of the substrate and one of the light emitting elements in a direction perpendicular to the top surface of the substrate, in a center portion of a display region of the substrate, is different from a second distance between the top surface of the substrate and another one of the light emitting elements in the direction perpendicular to the top surface of the substrate, in a periphery portion of the display region.Type: GrantFiled: September 28, 2020Date of Patent: September 27, 2022Assignee: Japan Display Inc.Inventors: Masanobu Ikeda, Yoshinori Aoki, Akihiro Ogawa, Yasuhiro Kanaya
-
Publication number: 20220302096Abstract: A display device includes a substrate, a plurality of light-emitting elements and a plurality of transistors provided to the substrate, a first organic insulating film that is provided covering the transistors and is in direct contact with at least one of a source electrode and a drain electrode of the transistors, an anode electrode provided on the first organic insulating film and electrically coupled to each of the light-emitting elements, a cavity formed in the first organic insulating film and recessed toward the substrate, and a reflective layer provided covering a side and a bottom of the cavity formed in the first organic insulating filmType: ApplicationFiled: March 15, 2022Publication date: September 22, 2022Applicant: Japan Display Inc.Inventors: Masanobu IKEDA, Yoshinori TANAKA, Jin HIROSAWA
-
Publication number: 20220295977Abstract: A brush with an LED light source includes a body, and a head provided at a tip of the body, the head including a housing part connected to the body, a support part detachably attached to the housing part, a brush part formed of a plurality of bristles planted in the support part, and a light-source part provided inside the housing part, wherein the light-source part has a first LED for emitting light having a peak in a first wavelength band and a second LED for emitting light having a peak in a second wavelength band different from the first wavelength band.Type: ApplicationFiled: March 17, 2022Publication date: September 22, 2022Applicant: Japan Display Inc.Inventor: Masanobu IKEDA
-
Publication number: 20220302358Abstract: A light emitting device according to one embodiment includes a substrate including a mounting area, a plurality of light emitting elements disposed in the mounting area, and a sealing layer covering the light emitting elements and the mounting area. The sealing layer contains, a base material and a filler added to the base material. A coefficient of thermal expansion of the filler is smaller than the coefficient of thermal expansion of the base metal. Furthermore, a refractive index of the filler is different from the refractive index of the base material.Type: ApplicationFiled: June 6, 2022Publication date: September 22, 2022Applicant: Japan Display Inc.Inventor: Masanobu IKEDA
-
Publication number: 20220293579Abstract: A display device includes a substrate, a first light-emitting diode (LED) element and a second LED element provided to the substrate and configured to output light, a first signal line provided between the first LED element and the second LED element and electrically coupled to the first LED element, a second signal line provided between the first LED element and the second LED element and electrically coupled to the second LED element, gate wiring intersecting the first signal line and the second signal line, and anode wiring overlapping the gate wiring and electrically coupled to the first LED element and the second LED element. The anode wiring extends parallel to the gate wiring.Type: ApplicationFiled: June 2, 2022Publication date: September 15, 2022Inventors: Akihiro OGAWA, Masanobu IKEDA, Yasuhiro KANAYA, Yoshinori AOKI