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).

  • Patent number: 12253765
    Abstract: A liquid crystal display device includes an array substrate including a pixel array with a plurality of pixel electrodes arranged in a matrix, and a counter substrate including a counter electrode opposed to the array substrate and overlapping the plurality of pixel electrodes. The counter electrode includes openings in regions overlapping each of the pixel electrodes, and the plurality of pixel electrodes includes four pixel electrodes adjacent each other, and edges of the four pixel electrodes have an edge shape that diagonally faces each other and widens a spacing between the four pixel electrodes.
    Type: Grant
    Filed: March 17, 2023
    Date of Patent: March 18, 2025
    Assignee: Japan Display Inc.
    Inventor: Koichiro Adachi
  • Patent number: 12082336
    Abstract: A differential circuit board includes a dielectric layer having a first and a second surface, a first conductor line with a first line-width, a second conductor line with a second line-width less than the first line-width, and a ground conductor. The dielectric layer has a first portion with a first thickness between the first and second surface and a second portion with a second thickness less than the first thickness between the first and second surfaces. The first conductor line is disposed on the first surface of the first portion. The second conductor line is disposed on the first surface of the second portion. The ground conductor is disposed on the second surface of the first portion and the second surface of the second portion, wherein the ground conductor overlaps with the first conductor line and the second conductor line. The first and second conductor lines are differential transmission lines.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: September 3, 2024
    Assignee: Lumentum Japan, Inc.
    Inventor: Koichiro Adachi
  • Patent number: 12025896
    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: Grant
    Filed: May 5, 2023
    Date of Patent: July 2, 2024
    Assignee: Japan Display Inc.
    Inventor: Koichiro Adachi
  • Patent number: 12007641
    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: Grant
    Filed: June 23, 2022
    Date of Patent: June 11, 2024
    Assignee: Japan Display Inc.
    Inventor: Koichiro Adachi
  • Patent number: 11953771
    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: Grant
    Filed: June 3, 2022
    Date of Patent: April 9, 2024
    Assignee: Japan Display Inc.
    Inventor: Koichiro Adachi
  • Patent number: 11909170
    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: Grant
    Filed: June 24, 2021
    Date of Patent: February 20, 2024
    Assignee: Lumentum Japan, Inc.
    Inventor: Koichiro Adachi
  • Publication number: 20240019728
    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: September 26, 2023
    Publication date: January 18, 2024
    Inventor: Koichiro ADACHI
  • Patent number: 11860457
    Abstract: According to an aspect, a substrate for a display apparatus includes: a first substrate; a translucent coloring layer that includes a plurality of color regions and that overlaps with the first substrate; a first translucent resin layer that overlaps with the first substrate at boundaries of the color regions; and a light shielding layer that overlaps with the first translucent resin layer on an opposite side to the first substrate side. A width of the light shielding layer in a direction parallel with the first substrate is equal to or smaller than a width of the first translucent resin layer in the parallel direction on a cross section vertical to the first substrate.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: January 2, 2024
    Assignee: Japan Display Inc.
    Inventors: Koichiro Adachi, Tetsuya Yamamoto, Seiji Uejima
  • Publication number: 20230408875
    Abstract: A liquid crystal display device includes an array substrate including a pixel array arranged in a matrix of a plurality of pixel electrodes on an insulating layer, a counter substrate arranged with a counter electrode facing the array substrate and overlapping the plurality of pixel electrodes, a liquid crystal layer between the array substrate and the counter substrate, a first spacer between the array substrate and the counter substrate, and a protruding portion protruding into the liquid crystal layer. The counter electrode is disposed with openings in regions overlapping each of the plurality of pixel electrodes, the protruding portion is arranged in a region between the electrodes of the plurality of pixel electrodes, and a height of the protruding portion is lower than a height of the first spacer.
    Type: Application
    Filed: May 23, 2023
    Publication date: December 21, 2023
    Inventor: Koichiro ADACHI
  • Publication number: 20230384878
    Abstract: According to an aspect, a display device with a touch detection function includes: a plurality of pixel electrodes arranged in a matrix; a plurality of scanning signal lines; a drive electrode that faces the pixel electrodes; and a plurality of touch detection electrodes including a detection electrode pattern of a transparent conductive body that faces the drive electrode. The detection electrode pattern includes one or more slits each of which is a region where the transparent conductive body is not present. The slits of the detection electrode pattern of the touch detection electrodes extend in a direction different from an extending direction of the scanning signal lines with a slit pitch having a predetermined interval therebetween in the extending direction of the scanning signal lines. The slit pitch is multiples of a natural number of a predetermined pixel pitch in which the pixel electrodes are arranged.
    Type: Application
    Filed: August 14, 2023
    Publication date: November 30, 2023
    Inventor: Koichiro ADACHI
  • Patent number: 11803075
    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: Grant
    Filed: May 25, 2022
    Date of Patent: October 31, 2023
    Assignee: Japan Display Inc.
    Inventor: Koichiro Adachi
  • Patent number: 11803284
    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: Grant
    Filed: May 24, 2022
    Date of Patent: October 31, 2023
    Assignee: Japan Display Inc.
    Inventor: Koichiro Adachi
  • Patent number: 11789304
    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: Grant
    Filed: December 7, 2022
    Date of Patent: October 17, 2023
    Assignee: Japan Display Inc.
    Inventor: Koichiro Adachi
  • Publication number: 20230314880
    Abstract: A liquid crystal display device includes an array substrate including a pixel array with a plurality of pixel electrodes arranged in a matrix, and a counter substrate including a counter electrode opposed to the array substrate and overlapping the plurality of pixel electrodes. The counter electrode includes openings in regions overlapping each of the pixel electrodes, and the plurality of pixel electrodes includes four pixel electrodes adjacent each other, and edges of the four pixel electrodes have an edge shape that diagonally faces each other and widens a spacing between the four pixel electrodes.
    Type: Application
    Filed: March 17, 2023
    Publication date: October 5, 2023
    Inventor: Koichiro ADACHI
  • Patent number: 11775069
    Abstract: In a medical system, a medical device includes a first display that displays a figure or a character corresponding to data relevant to medical treatment performed in the medical device, and a first controller that causes the first display to display the figure or the character corresponding to the data and that, when the data satisfies conditions for notification of a warning, causes the medical device to emit a first warning. A remote control device includes a second display that displays the figure or the character corresponding to the data, and a second controller that causes the second display to display the figure or the character corresponding to the data and that, when the data satisfies the conditions for notification of the warning, causes the remote control device to emit a second warning that is different than the first warning.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: October 3, 2023
    Inventors: Koichiro Adachi, Seiichiro Yamashita, Kyohei Kato
  • Patent number: 11768552
    Abstract: According to an aspect, a display device with a touch detection function includes: a plurality of pixel electrodes arranged in a matrix; a plurality of scanning signal lines; a drive electrode that faces the pixel electrodes; and a plurality of touch detection electrodes including a detection electrode pattern of a transparent conductive body that faces the drive electrode. The detection electrode pattern includes one or more slits each of which is a region where the transparent conductive body is not present. The slits of the detection electrode pattern of the touch detection electrodes extend in a direction different from an extending direction of the scanning signal lines with a slit pitch having a predetermined interval therebetween in the extending direction of the scanning signal lines. The slit pitch is multiples of a natural number of a predetermined pixel pitch in which the pixel electrodes are arranged.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: September 26, 2023
    Assignee: Japan Display Inc.
    Inventor: Koichiro Adachi
  • Patent number: 11747687
    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: October 31, 2022
    Date of Patent: September 5, 2023
    Assignee: Japan Display Inc.
    Inventors: Koichiro Adachi, Kenji Tanase
  • Publication number: 20230273490
    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: May 5, 2023
    Publication date: August 31, 2023
    Applicant: Japan Display Inc.
    Inventor: Koichiro ADACHI
  • Patent number: 11681191
    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: Grant
    Filed: August 29, 2022
    Date of Patent: June 20, 2023
    Assignee: Japan Display Inc.
    Inventor: Koichiro Adachi
  • Patent number: 11662618
    Abstract: A counter substrate for a liquid crystal device is provided and includes an insulating substrate having a first surface and a second surface facing to the first surface, a first light shielding layer extending in a first direction and a second light shielding layer extending in a second direction crossing the first direction at the first surface side, wherein the first light shielding layer and the second light shielding layer are layered while contacting each other at a crossing part, the first light shielding layer contacts the first surface, and the second light shielding layer contacts the first surface in the part other than the crossing part.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: May 30, 2023
    Assignee: Japan Display Inc.
    Inventors: Toru Kawamura, Seiji Uejima, Koichiro Adachi, Tetsuya Yamamoto