Patents by Inventor Takeo Koito

Takeo Koito 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).

  • DISPLAY DEVICE
    Publication number: 20170228079
    Abstract: A display device includes: a plurality of pixel electrodes each of which is provided in each of a plurality of sub-pixels arranged in a display region; a driving electrode provided so as to overlap the plurality of pixel electrodes when seen in a plan view; a plurality of detecting electrodes provided so as to overlap the driving electrode when seen in a plan view; and a dummy electrode provided apart from the detecting electrodes. The detecting electrodes and the dummy electrode include a metal layer or an alloy layer. A ratio of total sum of areas of portions of the plurality sub-pixels which overlap any of the detecting electrodes and the dummy electrode when seen in a plan view to total sum of areas of the plurality of sub-pixels is 1 to 22%.
    Type: Application
    Filed: April 27, 2017
    Publication date: August 10, 2017
    Inventors: Hayato Kurasawa, Koji Ishizaki, Takeo Koito
  • DISPLAY DEVICE
    Publication number: 20170230642
    Abstract: According to one embodiment, a display device includes a display unit which displays an image, a barrier unit including a plurality of barrier regions, each of the barrier regions including two nontransmissive regions which block light transmitted from the display unit and one transmissive region which is arranged between the two nontransmissive regions and allows light transmitted from the display unit to pass through, and a control unit. The control unit controls the barrier pitch of the barrier regions, according to viewer's position. Further, the control unit controls each of edge-units constituting the transmissive region into a state of transmissive or nontransmissive.
    Type: Application
    Filed: February 3, 2017
    Publication date: August 10, 2017
    Applicant: Japan Display Inc.
    Inventors: Daichi SUZUKI, Takeo Koito
  • DISPLAY DEVICE IN WHICH MULTIPLE IMAGES ARE DISPLAYED USING FOUR NEIGHBORING PIXELS, DISPLAY PANEL AND ELECTRONIC APPARATUS USING SAME
    Publication number: 20170208322
    Abstract: A display device including a display part including a pixel of a first series having a first horizontal pixel width and a pixel of a second series having a second horizontal pixel width smaller than the first horizontal pixel width, the pixels of the first series and the pixels of the second series being arrayed alternately in each of a horizontal direction and a vertical direction, and a light beam control part that controls a light beam from the display part or a light beam toward the display part.
    Type: Application
    Filed: April 4, 2017
    Publication date: July 20, 2017
    Inventors: Takeo Koito, Daisuke Takama
  • DISPLAY DEVICE
    Publication number: 20170168310
    Abstract: According to an aspect, a display device includes a display part having pixels and a color filter; and a barrier part in which unit areas arranged above the display part, arranged in rows in a first direction, and extending in a second direction intersecting with the first direction. The barrier part includes a barrier substrate that has barrier electrodes arranged for each unit area and extending in the second direction, a counter substrate, a liquid crystal layer, and spacers arranged between the barrier substrate and the counter substrate. Each of the spacers is arranged between one barrier electrode out of the barrier electrodes and the other barrier electrode adjacent to the one barrier electrode, and overlaps with a filter of a color different from a color of a filter of the color filter that overlaps with a spacer adjacent to the spacer in the second direction.
    Type: Application
    Filed: February 28, 2017
    Publication date: June 15, 2017
    Inventors: Takeo Koito, Yingbao Yang
  • Display device
    Patent number: 9671919
    Abstract: A display device includes: a plurality of pixel electrodes each of which is provided in each of a plurality of sub-pixels arranged in a display region; a driving electrode provided so as to overlap the plurality of pixel electrodes when seen in a plan view; a plurality of detecting electrodes provided so as to overlap the driving electrode when seen in a plan view; and a dummy electrode provided apart from the detecting electrodes. The detecting electrodes and the dummy electrode include a metal layer or an alloy layer. A ratio of total sum of areas of portions of the plurality sub-pixels which overlap any of the detecting electrodes and the dummy electrode when seen in a plan view to total sum of areas of the plurality of sub-pixels is 1 to 22%.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: June 6, 2017
    Assignee: Japan Display Inc.
    Inventors: Hayato Kurasawa, Koji Ishizaki, Takeo Koito
  • Display device in which multiple images are displayed using four neighboring pixels, display panel and electronic apparatus using same
    Patent number: 9648312
    Abstract: A display device including a display part including a pixel of a first series having a first horizontal pixel width and a pixel of a second series having a second horizontal pixel width smaller than the first horizontal pixel width, the pixels of the first series and the pixels of the second series being arrayed alternately in each of a horizontal direction and a vertical direction, and a light beam control part that controls a light beam from the display part or a light beam toward the display part.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: May 9, 2017
    Assignee: JAPAN DISPLAY INC.
    Inventors: Takeo Koito, Daisuke Takama
  • TOUCH DETECTION DEVICE
    Publication number: 20170115790
    Abstract: A touch detection device is provided. The touch detection device includes a substrate; a display area in which pixels each constituted by a plurality of color regions are arranged in a matrix in a plane parallel to a surface of the substrate; a touch detection electrode arranged on the substrate; a drive electrode that has electrostatic capacitance with respect to the touch detection electrode, wherein the touch detection electrode includes a conductive thin wire including a first wire segment having a first end and a second end, a second wire segment having a first end and a second end, and a third wire segment having a first end and a second end.
    Type: Application
    Filed: January 9, 2017
    Publication date: April 27, 2017
    Inventors: Hayato KURASAWA, Koji ISHIZAKI, Takeo KOITO
  • Display device
    Patent number: 9612443
    Abstract: According to an aspect, a display device includes a display part having pixels and a color filter; and a barrier part in which unit areas arranged above the display part, arranged in rows in a first direction, and extending in a second direction intersecting with the first direction. The barrier part includes a barrier substrate that has barrier electrodes arranged for each unit area and extending in the second direction, a counter substrate, a liquid crystal layer, and spacers arranged between the barrier substrate and the counter substrate. Each of the spacers is arranged between one barrier electrode out of the barrier electrodes and the other barrier electrode adjacent to the one barrier electrode, and overlaps with a filter of a color different from a color of a filter of the color filter that overlaps with a spacer adjacent to the spacer in the second direction.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: April 4, 2017
    Assignee: Japan Display Inc.
    Inventors: Takeo Koito, Yingbao Yang
  • DISPLAY DEVICE
    Publication number: 20170061908
    Abstract: According to an aspect, a display device includes: a plurality of first image regions; a plurality of second image regions arranged alternatingly with the first image regions; one or more first data lines arranged in each of the first image regions; one or more second data lines arranged in each of the second image regions; a constant potential line configured to receive a constant potential; a switching signal line configured to supply a switching signal; and a switching circuit configured to switch a coupling destination of each of the one or more second data lines between any one of the first data lines arranged in a corresponding first image region adjacent to a respective second image region and the constant potential line, based on the switching signal.
    Type: Application
    Filed: August 19, 2016
    Publication date: March 2, 2017
    Inventors: Yingbao Yang, Daichi Suzuki, Takeo Koito
  • Display device with touch detection function and electronic apparatus
    Patent number: 9575609
    Abstract: According to an aspect, a display device with a touch detection function includes a display area and a touch detection electrode that includes thin wire segments having first and second ends. Thin wire segments include a thin wire segment extending in a direction different from a pixel arrangement direction in which color regions having the highest human visibility are arranged. The second end is located away from the first end in a direction toward a target position that is distant from the first end in a pixel orthogonal direction by N times of a maximum length of one of the pixels in the pixel orthogonal direction, and in the pixel arrangement direction by M times of a maximum length of one of the pixels in the pixel arrangement direction. Each of N and M is an integer of 2 or larger. N and M are different from each other.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: February 21, 2017
    Assignee: Japan Display Inc.
    Inventors: Hayato Kurasawa, Koji Ishizaki, Takeo Koito
  • DISPLAY DEVICE
    Publication number: 20170031157
    Abstract: According to one embodiment, a display device, includes a retroreflective element includes a base, and first and second retroreflectors each retroreflecting light made incident without transmitting the base, and a retarder element disposed between a display module and a polarizing element and between the retroreflective element and the polarizing element, the first and second retroreflectors being adjacent to each other, each of the first and second retroreflectors includes a recess portion on a side facing the retarder element.
    Type: Application
    Filed: May 31, 2016
    Publication date: February 2, 2017
    Applicant: Japan Display Inc.
    Inventors: Takeo Koito, Yudai Numata
  • Display device
    Patent number: 9549173
    Abstract: According to an aspect, a display device includes: a display section; a barrier section in which a plurality of unit regions are arranged in columns in a first direction, the plurality of unit regions extending in a second direction perpendicular to the first direction; and a plurality of light shields disposed at regular intervals for the display section such that a transmittance of light transmitted through a unit region is kept substantially the same regardless of a position of the unit region through which light is transmitted in the barrier section.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: January 17, 2017
    Assignee: Japan Display Inc.
    Inventors: Takeo Koito, Toshinori Uehara
  • SENSOR-EQUIPPED DISPLAY DEVICE
    Publication number: 20160349907
    Abstract: According to one embodiment, a sensor-equipped display device includes a display panel, a detection electrode, a conductive member arranged at intervals from the display panel and the detection electrode, and controller. In a first sense period, the controller drives a common electrode of the display panel or the detection electrode and extracts input position data from the detection electrode. In a second sense period, the controller drives the conductive member and extracts first input pressure data from a first electrode, the controller drives a second electrode and extracts second input pressure data from the conductive member, or the controller drives a third electrode and extracts third input pressure data from the third electrode.
    Type: Application
    Filed: May 24, 2016
    Publication date: December 1, 2016
    Inventors: Kazuyuki Kobayashi, Hayato Kurasawa, Hiroshi Mizuhashi, Masaya Tamaki, Takeo Koito, Koji Noguchi
  • Liquid crystal device, electronic apparatus, and method for manufacturing liquid crystal device
    Patent number: 9494827
    Abstract: A liquid crystal device including: a first substrate, the first substrate being transparent; a second substrate disposed opposite the first substrate, the second substrate being transparent; a liquid crystal layer provided between the first substrate and the second substrate, the liquid crystal layer including liquid crystal molecules; an alignment film with alignment treatment such that the liquid crystal molecules align, the alignment film being provided on a surface of the first substrate, the surface facing the liquid crystal layer; and pillar spacers provided on the alignment film, wherein the alignment treatment is applied to the alignment film except at least a part of area in which each of the pillar spacers overlaps with the alignment film.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: November 15, 2016
    Assignee: Japan Display Inc.
    Inventors: Hiroki Sugiyama, Takeo Koito
  • Display device
    Patent number: 9488845
    Abstract: A liquid crystal lens is formed with a first electrode formed on a first substrate and two or more second electrodes formed on a second substrate in a stripe pattern. Different voltages are applied to the second electrodes. The plurality of second electrodes exist at the boundary between a first liquid crystal lens and a second liquid crystal lens, and accept the maximum voltage of the different voltages. As a result, the liquid crystal lens can be moved in accordance with the movement of the visual line, the first and second liquid crystal lenses can be separated, and also a refractive index distribution of the liquid crystal lens can be close to a quadratic curve, thereby enabling to prevent the crosstalk.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: November 8, 2016
    Assignee: Japan Display Inc.
    Inventors: Shinichiro Oka, Takeo Koito, Yingbao Yang
  • DISPLAY DEVICE WITH TOUCH DETECTING FUNCTION AND ELECTRONIC APPARATUS
    Publication number: 20160320890
    Abstract: According to an aspect, a display device with a touch detecting function includes: a substrate; a display area; a touch detection electrode provided with a plurality of conductive thin wires, each of the conductive thin wires including a plurality of thin wire pieces each having a linear shape and including a first end and a second end; a drive electrode; and a display functional layer. The adjacent thin wire pieces are arranged so as to be bent at a bent portion serving as a portion at which the second end of the one thin wire piece of the adjacent thin wire pieces is connected to the first end of the other thin wire piece of the adjacent thin wire pieces, and the conductive thin wires include a bent portion having an angle formed by the adjacent thin wire pieces different from angles of the other bent portions.
    Type: Application
    Filed: July 13, 2016
    Publication date: November 3, 2016
    Inventors: Takeo KOITO, Koji ISHIZAKI, Hayato KURASAWA
  • Display device with touch detecting function and electronic apparatus
    Patent number: 9471165
    Abstract: According to an aspect, a display device with a touch detecting function includes: a substrate; a display area; a touch detection electrode provided with a plurality of conductive thin wires, each of the conductive thin wires including a plurality of thin wire pieces each having a linear shape and including a first end and a second end; a drive electrode; and a display functional layer. The adjacent thin wire pieces are arranged so as to be bent at a bent portion serving as a portion at which the second end of the one thin wire piece of the adjacent thin wire pieces is connected to the first end of the other thin wire piece of the adjacent thin wire pieces, and the conductive thin wires include a bent portion having an angle formed by the adjacent thin wire pieces different from angles of the other bent portions.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: October 18, 2016
    Assignee: Japan Display Inc.
    Inventors: Takeo Koito, Koji Ishizaki, Hayato Kurasawa
  • DISPLAY DEVICE AND METHOD FOR CONTROLLING THE SAME
    Publication number: 20160274373
    Abstract: A display device includes a display unit including a display plane that displays an image and a parallax adjusting unit that is arranged to face the display unit and be able to switch a plurality of transmissive regions transmitting light and a plurality of non-transmissive regions restricting light, in which the transmissive regions and the non-transmissive regions are alternately in a first direction, and width of at least one transmissive region in the first direction among the plurality of transmissive regions or width of at least one non-transmissive region in the first direction among the plurality of non-transmissive regions is changed based on input information.
    Type: Application
    Filed: March 15, 2016
    Publication date: September 22, 2016
    Inventors: Daichi Suzuki, Yingbao Yang, Takeo Koito
  • DISPLAY DEVICE AND DISPLAY METHOD
    Publication number: 20160249046
    Abstract: According to an aspect, a display device includes: a position information acquiring unit that acquires position information on a position of a viewer; a separation unit that changes a position of an image separator based on the position information; an illumination unit that changes a direction of an optical axis of illumination light based on the position information of the viewer in synchronization with a timing at which the position of the image separator is changed; and a display unit that modulates the illumination light and displays an image including plural parallax images.
    Type: Application
    Filed: February 22, 2016
    Publication date: August 25, 2016
    Inventors: Yingbao YANG, Takeo KOITO, Daichi SUZUKI
  • DISPLAY DEVICE AND DISPLAY METHOD
    Publication number: 20160249044
    Abstract: According to an aspect, a display device includes: a position information acquiring unit that acquires position information on positions of plural viewers; a separation unit that sequentially changes a position of an image separator based on the position information; an illumination unit that sequentially changes a direction of an optical axis of illumination light based on the position information in synchronization with a timing at which the position of the image separator is changed; and a display unit that modulates the illumination light and displays an image including plural viewpoint images for the plural viewers.
    Type: Application
    Filed: February 22, 2016
    Publication date: August 25, 2016
    Inventors: Yingbao YANG, Takeo KOITO, Daichi SUZUKI