Patents by Inventor Yasuhiro Daiku

Yasuhiro Daiku 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: 20250085565
    Abstract: An aerial display apparatus includes: a display device configured to display an image; an alignment control device arranged to receive light emitted from the display device and configured to refract the light emitted from the display device in an oblique direction to a normal direction orthogonal to a plane; and an optical device arranged to receive the light emitted from the alignment control device and configured to reflect the light emitted from the alignment control device to a side opposite to the alignment control device to form an aerial image in an aerial space.
    Type: Application
    Filed: November 25, 2024
    Publication date: March 13, 2025
    Applicant: TOPPAN Holdings Inc.
    Inventor: Yasuhiro DAIKU
  • Publication number: 20240427169
    Abstract: An optical device for an aerial display apparatus includes: a planar base member; a plurality of optical elements provided below the base member, each extending in a first direction and aligned in a second direction orthogonal to the first direction; a reflection layer provided in each of the optical elements and configured to reflect light; and an absorption layer provided on the reflection layer and configured to absorb light. Each of the optical elements has an incident surface and a reflection surface which are inclined with respect to a normal direction of the base member and are in contact with each other. The reflection layer is provided on the reflection surface. The optical device is arranged in such a manner as to receive external light on the incident surface.
    Type: Application
    Filed: September 5, 2024
    Publication date: December 26, 2024
    Applicant: TOPPAN Holdings Inc.
    Inventor: Yasuhiro DAIKU
  • Publication number: 20240419014
    Abstract: An aerial display apparatus includes: a display device configured to display an image; an optical device arranged to receive light from the display device and configured to reflect light from the display device to a side opposite to the display device to form an aerial image in an aerial space; a polarizing device arranged to receive light from the optical device and configured to transmit linearly polarized light; and a housing formed to surround the optical device and configured to fix the display device and the optical device with a space therebetween. A polarization axis of the polarizing device is parallel to a polarization axis of the display device.
    Type: Application
    Filed: August 30, 2024
    Publication date: December 19, 2024
    Applicant: TOPPAN Holdings Inc.
    Inventor: Yasuhiro DAIKU
  • Publication number: 20240361611
    Abstract: An aerial display apparatus includes: a display device which displays an image; an optical device which is arranged to receive light from the display device, and reflects the light from the display device to a side opposed to the display device to form an aerial image; and a first sensing device arranged between the display device and the optical device and outside an area occupied by the optical device. The first sensing device includes: a light source unit which emits infrared light toward the optical device; and a plurality of cameras which detect infrared light reflected in sequence by an object and the optical device.
    Type: Application
    Filed: July 10, 2024
    Publication date: October 31, 2024
    Applicant: TOPPAN Holdings Inc.
    Inventor: Yasuhiro Daiku
  • Publication number: 20240142798
    Abstract: An aerial display apparatus includes: a display device configured to display an image; and an optical device arranged to receive light from the display device and reflecting the light from the display device to a side opposite to the display device. The optical device includes a planar base member, and a plurality of optical elements provided below the base member as viewed from a viewer, each extending in a first direction and aligned in a second direction orthogonal to the first direction. Each of the optical elements has an incident surface and a reflection surface which are inclined with respect to a normal direction of the base member and are in contact with each other.
    Type: Application
    Filed: January 10, 2024
    Publication date: May 2, 2024
    Applicant: TOPPAN INC.
    Inventor: Yasuhiro DAIKU
  • Patent number: 11947139
    Abstract: An aerial display apparatus includes: a display device which displays an image; a mirror device which includes a plurality of optical elements each including two reflective surfaces that are orthogonally disposed, which reflects display light from the display device, and which forms an aerial image at a position that is plane-symmetrical to the display device; and a light shielding member which is disposed on an optical path between the display device and the aerial image, which includes an opening that allows a portion of incident light to pass through, and which shields light incident on a region other than the opening.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: April 2, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventor: Yasuhiro Daiku
  • Publication number: 20230258847
    Abstract: An aerial display apparatus includes: a display device displaying an image; and a prism device reflecting light from the display device and causing an image to be displayed in an aerial space on a side opposite to the display device. The prism device includes a plurality of prism elements arranged in a horizontal plane. Each of the prism elements is formed of a hexahedron and includes a first and a second refraction surfaces refracting light and a first and a second reflection surfaces reflecting light. The first refraction surface corresponds to a bottom surface of the hexahedron and is inclined with respect to a first direction parallel with the horizontal plane. The second refraction surface corresponds to a top surface of the hexahedron and is inclined with respect to the first direction.
    Type: Application
    Filed: April 18, 2023
    Publication date: August 17, 2023
    Applicant: TOPPAN INC.
    Inventor: Yasuhiro DAIKU
  • Publication number: 20230258955
    Abstract: An aerial display apparatus includes: a display module including a light emission surface emitting display light to display an aerial image, and displaying the aerial image on a first plane located above the light emission surface and parallel with the light emission surface; a sensing device emitting laser light to form a detection region on a second plane obliquely crossing the first plane, and detecting an object entering the detection region; and a housing housing the display module and the sensing device.
    Type: Application
    Filed: April 11, 2023
    Publication date: August 17, 2023
    Applicant: TOPPAN INC.
    Inventor: Yasuhiro DAIKU
  • Publication number: 20230185109
    Abstract: An aerial display apparatus includes: a display device configured to display an image; an optical device configured to allow light from the display device to be transmitted therethrough, and configured of a transparent material; and a mirror device configured to reflect light from the optical device and display an image in an aerial space on a side opposite to the optical device. The optical device includes a first optical member having a first thickness and a second optical member having a second thickness greater than the first thickness.
    Type: Application
    Filed: February 9, 2023
    Publication date: June 15, 2023
    Applicant: TOPPAN INC.
    Inventor: Yasuhiro DAIKU
  • Publication number: 20230092598
    Abstract: An aerial display apparatus that ensures a display quality of an aerial image is provided. An aerial display apparatus according to an embodiment includes: a display unit (20) including a display surface on which an image is displayed and configured to emit display light from the display surface; and a mirror device disposed obliquely with respect to the display surface of the display unit (20), and configured to reflect the display light emitted by the display unit (20) to allow an aerial image to be formed at a position that is plane-symmetrical to the display unit (20), a light distribution of the display light being greater than ?35.0 degrees and less than +35.0, given that a normal direction of the display surface is 0 degrees.
    Type: Application
    Filed: November 30, 2022
    Publication date: March 23, 2023
    Applicant: TOPPAN INC.
    Inventor: Yasuhiro DAIKU
  • Publication number: 20220413317
    Abstract: An aerial display apparatus includes: a light source unit that emits light; a display device that transmits the light from the light source unit to display an image; a light control device that transmits the light from the display device to emit the light such that light intensity of the light has a peak in a direction oblique to a normal direction that is perpendicular to a first direction within a principal plane of the display device; and a mirror device that reflects the light from the light control device to display an image in air on a side opposite to the light control device. The mirror device includes a plurality of optical elements each having a hexahedron shape. Each of the plurality of optical elements includes first and second reflection surfaces that reflect light. Each of the first and second reflection surfaces is placed obliquely to the normal direction.
    Type: Application
    Filed: September 1, 2022
    Publication date: December 29, 2022
    Applicant: TOPPAN INC.
    Inventor: Yasuhiro DAIKU
  • Publication number: 20210103161
    Abstract: An aerial display apparatus includes: a display device which includes a display surface on which a first image is displayed, and which emits display light from the display surface; a mirror device which is disposed obliquely with respect to the display surface of the display device, which reflects the display light that has been emitted from the display device to form an aerial image at a position that is plane-symmetrical to the display device; and a display device which is disposed between the mirror device and the aerial image, which allows the display light that has been reflected by the mirror device to be transmitted therethough, and which displays a second image.
    Type: Application
    Filed: December 17, 2020
    Publication date: April 8, 2021
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventor: Yasuhiro DAIKU
  • Publication number: 20210096393
    Abstract: An aerial display apparatus includes a display device (22) which includes a display surface on which an image is displayed, and which emits display light from the surface, a light control device (40) which includes a plurality of transparent regions (41) and a plurality of light-shielding regions (42) that are arranged in an alternating manner and are obliquely disposed with respect to a first direction that is orthogonal to the surface, and which allows the light that has been made incident on the region (41) to be transmitted therethrough, and shields the light that has been made incident on the region (42), and a mirror device (10) which is disposed in parallel to the surface, which reflects the light that has been transmitted through the device (40), and which forms an aerial image (30) at a position that is plane-symmetrical to the device (22).
    Type: Application
    Filed: December 11, 2020
    Publication date: April 1, 2021
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventor: Yasuhiro DAIKU
  • Patent number: 10942363
    Abstract: According to one embodiment, a liquid crystal layer is provided between a first substrate and a second substrate. A switching element is provided on the first substrate. A pixel electrode is electrically connected to the switching element. A color filter is provided on a liquid crystal side of the second substrate and corresponds to the pixel electrode. A common electrode is provided on a liquid crystal side of the color filter. A light guide plate guides laser light incident on a side surface and emits the laser light from a main surface. A diffusion plate diffuses the laser light emitted from the light guide plate and applies the laser light to the first substrate. A supporting unit supports the diffusion plate. A vibration generation unit is provided in the supporting unit and vibrates the diffusion plate.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: March 9, 2021
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventor: Yasuhiro Daiku
  • Publication number: 20210041719
    Abstract: An aerial display apparatus includes: a display device which displays an image; a mirror device which includes a plurality of optical elements each including two reflective surfaces that are orthogonally disposed, which reflects display light from the display device, and which forms an aerial image at a position that is plane-symmetrical to the display device; and a light shielding member which is disposed on an optical path between the display device and the aerial image, which includes an opening that allows a portion of incident light to pass through, and which shields light incident on a region other than the opening.
    Type: Application
    Filed: October 23, 2020
    Publication date: February 11, 2021
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventor: Yasuhiro DAIKU
  • Patent number: 10901138
    Abstract: A light source device supplies a laser light to a display panel. The light source device includes: a light-emitting element configured to emit a laser light; and a light guide plate with a stepped bottom portion, the light guide plate disposed to receive the laser light from the light-emitting element at a side portion. The bottom portion of the light guide plate includes a plurality of reflecting surfaces arranged side by side in a first direction in which the laser light travels.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: January 26, 2021
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventor: Yasuhiro Daiku
  • Patent number: 10338456
    Abstract: A display apparatus includes: a light source; a liquid crystal display element which transmits light from the light source; a screen which receives projection light from the liquid crystal display element; a first polarizing plate provided between the light source and the liquid crystal display element; a second polarizing plate provided between the liquid crystal display element and the screen; and a reflective polarizing plate which is provided between the light source and the first polarizing plate and which reflects a light component parallel to a reflection axis among the light from the light source.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: July 2, 2019
    Assignee: ORTUS TECHNOLOGY CO., LTD.
    Inventor: Yasuhiro Daiku
  • Publication number: 20190107664
    Abstract: A light source device supplies a laser light to a display panel. The light source device includes: a light-emitting element configured to emit a laser light; and a light guide plate with a stepped bottom portion, the light guide plate disposed to receive the laser light from the light-emitting element at a side portion. The bottom portion of the light guide plate includes a plurality of reflecting surfaces arranged side by side in a first direction in which the laser light travels.
    Type: Application
    Filed: December 10, 2018
    Publication date: April 11, 2019
    Applicant: ORTUS TECHNOLOGY CO., LTD.
    Inventor: Yasuhiro DAIKU
  • Publication number: 20190079309
    Abstract: According to one embodiment, a liquid crystal layer is provided between a first substrate and a second substrate. A switching element is provided on the first substrate. A pixel electrode is electrically connected to the switching element. A color filter is provided on a liquid crystal side of the second substrate and corresponds to the pixel electrode. A common electrode is provided on a liquid crystal side of the color filter. A light guide plate guides laser light incident on a side surface and emits the laser light from a main surface. A diffusion plate diffuses the laser light emitted from the light guide plate and applies the laser light to the first substrate. A supporting unit supports the diffusion plate. A vibration generation unit is provided in the supporting unit and vibrates the diffusion plate.
    Type: Application
    Filed: November 14, 2018
    Publication date: March 14, 2019
    Applicant: ORTUS TECHNOLOGY CO., LTD.
    Inventor: Yasuhiro DAIKU
  • Publication number: 20180361912
    Abstract: The present invention provides a scanning headlight, a control method of the scanning headlight and a program of the scanning headlight capable of assisting a driver recognize the traffic environment in front of the vehicle more safely. A scanning headlight 100 has a pattern irradiation unit 110 that irradiates a front environment of a moving body with a continuous pattern of visible light and a controller 120 that controls an operation of the pattern irradiation unit 110. When an obstacle existing in the front environment of the moving body is irradiated with the continuous pattern, a discontinuous pattern is formed in front of the moving body.
    Type: Application
    Filed: December 22, 2016
    Publication date: December 20, 2018
    Inventor: Yasuhiro DAIKU