Patents by Inventor Koichiro Adachi

Koichiro Adachi 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: 20230099227
    Abstract: A display device is provided and includes first display area in which first pixel is provided; second display area in which second pixel is provided, second display area provided next to first display area; light shield surrounding first and second display areas, light shield having first slit surrounding first display area and second slit surrounding second display area; first sealant surrounding first and second display areas; and second sealant located between first and second display areas, second sealant having at least one opening which communicates first and second display areas to each other; wherein first slit is provided along first and second sealants and second slit is provided along first and second sealants, and part of first and second slits are parallelly extended along opening between first and second display areas.
    Type: Application
    Filed: December 7, 2022
    Publication date: March 30, 2023
    Inventor: Koichiro ADACHI
  • Publication number: 20230073184
    Abstract: A display device is provided and includes a first substrate having a display region and a frame region around the display region; a coloring layer disposed on the first substrate; a first insulation layer disposed on the coloring layer; a light shielding layer disposed in a matrix in the display region on the first insulation layer; a second insulation layer disposed on the light shielding layer; and an alignment mark disposed in the frame region on the first substrate, wherein a material of the alignment mark is the same as a material of the coloring layer.
    Type: Application
    Filed: November 10, 2022
    Publication date: March 9, 2023
    Inventor: Koichiro ADACHI
  • Publication number: 20230048623
    Abstract: According to one embodiment, a display device includes a first display portion including a first pixel, a second display portion including a second pixel, a first light shield surrounding the first display portion and the second display portion, a second light shield disposed between the first display portion and the second display portion, a liquid crystal layer disposed in the first display portion and the second display portion, a first sealant overlapping the first light shield and sealing the liquid crystal layer in the first display portion and the second display portion, and a second sealant overlapping the second light shield. The second sealant has at least one opening through which the first display portion and the second display portion communicate.
    Type: Application
    Filed: October 31, 2022
    Publication date: February 16, 2023
    Inventors: Koichiro ADACHI, Kenji TANASE
  • Patent number: 11573447
    Abstract: A display device is provided and includes first display area including first pixel; second display area including second pixels and provided next to first display area; light shield surrounding first and second display areas separately, first slit provided in light shield, first sealant surrounding first and second display areas; and second sealant located between first and second display areas, wherein second sealant comprises at least one opening which communicates first and second display areas to each other, and first slit is provided along outer circumference of first display area and outer circumference of second display area, and overlaps base end of second sealant which is connected with first sealant.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: February 7, 2023
    Assignee: Japan Display Inc.
    Inventor: Koichiro Adachi
  • Publication number: 20230017110
    Abstract: Disclosed is a black-matrix substrate including a substrate, a light-shielding film located over the substrate and having a plurality of openings, and a plurality of color filters arranged in the plurality of openings. The light-shielding film includes a base film over the substrate, a metal film over the base film, and a low-reflectance film located between the base film and the metal film and has an optical reflectance lower than that of the metal film. The base film may include at least one of a resin and an inorganic compound.
    Type: Application
    Filed: June 23, 2022
    Publication date: January 19, 2023
    Inventor: Koichiro ADACHI
  • Publication number: 20220413350
    Abstract: A display device includes a first pixel electrode having a first strip electrode and a second strip electrode, a second pixel electrode having a third strip electrode and a fourth strip electrode disposed in the second main pixel, and a light-shielding layer overlapping the first strip electrode. The light-shielding layer has a first opening exposing the second strip electrode, and a second opening exposing the third strip electrode and the fourth strip electrode. A size of the first opening is less than a size of the second opening. A width of the second strip electrode is less than a width of the first strip electrode.
    Type: Application
    Filed: August 29, 2022
    Publication date: December 29, 2022
    Applicant: Japan Display Inc.
    Inventor: Koichiro ADACHI
  • Publication number: 20220390800
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate opposing the first substrate, a liquid crystal layer disposed between the first substrate and the second substrate and a sealant which seals the liquid crystal layer. The first substrate includes a pixel electrode disposed in a display area, a peripheral circuit disposed in a peripheral area surrounding the display area and a shield electrode disposed in a position overlapping the peripheral circuit in plan view. The second substrate includes a common electrode disposed in the display area and opposing the pixel electrode. The shield electrode and the common electrode do not overlap each other in plan view.
    Type: Application
    Filed: June 2, 2022
    Publication date: December 8, 2022
    Inventor: Koichiro Adachi
  • Patent number: 11513404
    Abstract: According to one embodiment, a display device includes a first display portion including a first pixel, a second display portion including a second pixel, a first light shield surrounding the first display portion and the second display portion, a second light shield disposed between the first display portion and the second display portion, a liquid crystal layer disposed in the first display portion and the second display portion, a first sealant overlapping the first light shield and sealing the liquid crystal layer in the first display portion and the second display portion, and a second sealant overlapping the second light shield. The second sealant has at least one opening through which the first display portion and the second display portion communicate.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: November 29, 2022
    Assignee: Japan Display Inc.
    Inventors: Koichiro Adachi, Kenji Tanase
  • Patent number: 11500253
    Abstract: A display device is provided and includes first substrate having display region and frame region around display region; coloring layer disposed on first substrate; first insulation layer disposed on the coloring layer; light shielding layer disposed in matrix in display region on first insulation layer; and second insulation layer disposed on the light shielding layer, wherein part of first insulation layer in frame region part is in direct contact with first substrate, and part of first insulation layer in frame region extends along one side of first substrate.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: November 15, 2022
    Assignee: Japan Display Inc.
    Inventor: Koichiro Adachi
  • Patent number: 11467457
    Abstract: According to one embodiment, a display device includes a first pixel electrode having a first strip electrode and a second strip electrode, a second pixel electrode having a third strip electrode and a fourth strip electrode disposed in the second main pixel, and a light-shielding layer overlapping the first strip electrode. The light-shielding layer has a first opening exposing the second strip electrode, and a second opening exposing the third strip electrode and the fourth strip electrode. A size of the first opening is less than a size of the second opening. A width of the second strip electrode is less than a width of the first strip electrode.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: October 11, 2022
    Assignee: JAPAN DISPLAY INC.
    Inventor: Koichiro Adachi
  • Publication number: 20220299814
    Abstract: According to one embodiment, a detection device includes a substrate and a plurality of sensor electrodes provided on the substrate, extending along a first direction and arranged to be spaced apart from each other along a second direction intersecting the first direction. The sensor electrodes form a plurality of detection areas extending in the first direction and a plurality of non-detection areas adjacent to the plurality of detection areas along the second direction, and a boundary between each of the detection areas and each respective one of the non-detection areas is not linear.
    Type: Application
    Filed: June 3, 2022
    Publication date: September 22, 2022
    Inventor: Koichiro ADACHI
  • Publication number: 20220291785
    Abstract: A detecting device comprising: a plurality of detection electrodes extending in a first direction along a substrate and disposed apart from each other in a second direction orthogonal to the first direction; and a plurality of dummy electrodes provided between the detection electrodes, wherein the detection electrodes have a plurality of openings, the openings of the detection electrodes are arrayed in a triangular grid, the dummy electrodes are arrayed in a triangular grid, an end of each of the detection electrodes in the second direction has: a plurality of recesses; and a plurality of protrusions.
    Type: Application
    Filed: May 24, 2022
    Publication date: September 15, 2022
    Inventor: Koichiro ADACHI
  • Publication number: 20220283459
    Abstract: A detecting device includes a plurality of detection electrodes extending in a first direction along a substrate and disposed apart from each other in a second direction orthogonal to the first direction, and a plurality of dummy electrodes provided between the detection electrodes. The detection electrodes each have a plurality of openings.
    Type: Application
    Filed: May 25, 2022
    Publication date: September 8, 2022
    Inventor: Koichiro ADACHI
  • Patent number: 11402698
    Abstract: According to one embodiment, a display device includes first to third scanning lines, first and a second protrusion portions disposed on the second scanning line and arranged in a first direction, third and seventh protrusion portions disposed on a side close to the third scanning line on the second scanning line, fourth and sixth protrusion portions disposed on a side close to the first scanning line on the second scanning line, and a fifth protrusion portion disposed between the first protrusion portion and the second protrusion portion. The third and sixth protrusion portions are arranged in the second direction, and the fourth and seventh protrusion portions are arranged in the second direction.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: August 2, 2022
    Assignee: Japan Display Inc.
    Inventor: Koichiro Adachi
  • Publication number: 20220160487
    Abstract: A dental treatment apparatus includes a holder, a power supply, root canal length measurement circuitry, and control circuitry. The holder holds an electrode placed in a root canal. The power supply energizes file with a high-frequency current. The root canal length measurement circuitry electrically measures a position of a distal end of electrode in the root canal. The control circuitry causes, in accordance with information on the position of the distal end of the electrode measured by root canal length measurement circuitry, the power supply to control a current value of the high-frequency current which energizes the electrode.
    Type: Application
    Filed: November 24, 2021
    Publication date: May 26, 2022
    Applicant: J. MORITA MFG. CORP.
    Inventors: Tomoaki UEDA, Koichiro ADACHI, Kazunari MATOBA
  • Publication number: 20220160465
    Abstract: A dental treatment apparatus includes a holder, a high-frequency signal generation circuit, a detector, and a control circuit. The holder holds an electrode placed at a dental treatment site. A power supply energizes the electrode with a high-frequency current. A detector detects a current value which energizes the electrode. A control circuit causes, based on the current value detected by detector, the power supply to control a current value of the high-frequency current which energizes the electrode.
    Type: Application
    Filed: November 24, 2021
    Publication date: May 26, 2022
    Applicant: J. MORITA MFG. CORP.
    Inventors: Tomoaki UEDA, Koichiro ADACHI, Kyohei KATO, Seiichiro YAMASHITA, Kazunari MATOBA
  • Patent number: 11340501
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a first sealant surrounding a first chamber and a second chamber between the first substrate and the second substrate, a second sealant disposed between the first chamber and the second chamber, and a liquid crystal layer with which the first chamber and the second chamber are filled. The first chamber includes a first display portion including a first pixel. The second chamber includes a second display portion including a second pixel. The first sealant includes a first wall having a predetermined width and a second wall having a width less than the width of the first wall.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: May 24, 2022
    Assignee: Japan Display Inc.
    Inventor: Koichiro Adachi
  • Publication number: 20220158410
    Abstract: A semiconductor light emitting device includes a microstrip substrate with a single-ended transmission line on a top surface, wherein the single-ended transmission line extends from a first end portion to a second end portion, the microstrip substrate has a ground plane on a bottom surface, and the ground plane is opposed and bonded to the conductive pattern. The single-ended transmission line includes a first section and a second section, wherein the second section extends from the first section and includes the second end portion. The second section is lower in characteristic impedance than the first section. A load circuit that includes the wire, the optical modulator, and the termination resistor is electrically connected between the second end portion and the conductive pattern. The load circuit is equal to or lower in the characteristic impedance than the second section.
    Type: Application
    Filed: June 24, 2021
    Publication date: May 19, 2022
    Inventor: Koichiro ADACHI
  • Patent number: 11336072
    Abstract: A semiconductor optical device includes: a laser for emitting light; a modulator for modulating the light using an electroabsorption effect; a chip capacitor that is electrically connected in parallel to the laser; a chip inductor that is electrically connected in series to the chip capacitor, is electrically connected in series to the laser and the chip capacitor as a whole, and includes a first terminal and a second terminal; a solder or a conductive adhesive that directly bonds the first terminal of the chip inductor and the chip capacitor to each other; an electrical wiring group in which the laser, the modulator, the chip capacitor, and the chip inductor are electrically connected to each other; and a substrate on which the laser, the modulator, the chip capacitor, and the chip inductor are mounted.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: May 17, 2022
    Assignee: Lumentum Japan, Inc.
    Inventor: Koichiro Adachi
  • Publication number: 20220100029
    Abstract: A display device is provided and includes first display area including first pixel; second display area including second pixels and provided next to first display area; light shield surrounding first and second display areas separately, first slit provided in light shield, first sealant surrounding first and second display areas; and second sealant located between first and second display areas, wherein second sealant comprises at least one opening which communicates first and second display areas to each other, and first slit is provided along outer circumference of first display area and outer circumference of second display area, and overlaps base end of second sealant which is connected with first sealant.
    Type: Application
    Filed: December 13, 2021
    Publication date: March 31, 2022
    Inventor: Koichiro ADACHI