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).

  • Publication number: 20140292710
    Abstract: According to an aspect, a display device with a touch detection function includes: a substrate; a display area in which pixels each constituted by different color regions are arranged in a matrix and that includes color columns in which the color regions of the same colors extend side by side; a touch detection electrode that includes a plurality of conductive thin wires; and a drive electrode. Each of the conductive thin wires includes a plurality of portions at each of which the conductive thin wire extends in a direction at an angle with respect to a direction of extension of the color regions, and a plurality of bent portions at each of which the conductive thin wire is bent with the angle changed. The conductive thin wires include portions each overlapping all of the color columns in a direction orthogonal to the surface of the substrate.
    Type: Application
    Filed: March 7, 2014
    Publication date: October 2, 2014
    Applicant: Japan Display Inc.
    Inventors: Takeo KOITO, Koji ISHIZAKI, Hayato KURASAWA
  • Publication number: 20140292713
    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: March 20, 2014
    Publication date: October 2, 2014
    Applicant: Japan Display Inc.
    Inventors: Takeo KOITO, Koji ISHIZAKI, Hayato KURASAWA
  • Publication number: 20140292712
    Abstract: According to an aspect, a display device with a touch detection function includes: a variable focus lens unit that includes a first substrate including a first electrode, a second substrate including a second electrode, and a variable focus layer that is provided between the first substrate and the second substrate; a display unit including a display region that displays an image via the variable focus lens unit; a drive electrode that is arranged in the display unit or at a position opposed to the display region, and divided into a plurality of pieces; and a touch detection unit configured to detect a position of a proximity object using one of the first electrode and the second electrode as a touch detection electrode based on change in capacitance with respect to the drive electrode.
    Type: Application
    Filed: March 13, 2014
    Publication date: October 2, 2014
    Applicant: JAPAN DISPLAY INC.
    Inventors: Takeo Koito, Koji Ishizaki, Hayato Kurasawa
  • Publication number: 20140293173
    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: March 26, 2014
    Publication date: October 2, 2014
    Applicant: JAPAN DISPLAY INC.
    Inventors: Takeo Koito, Yingbao Yang
  • Publication number: 20140285992
    Abstract: According to an aspect, a display device includes a first display panel including a first protective layer; a second display panel including a second protective layer; and a connection part that connects the first display panel and the second display panel. The connection part includes a portion of a flexible substrate included in the first display panel and the second display panel, and the first protective layer and the second protective layer have higher strength than the flexible substrate.
    Type: Application
    Filed: February 20, 2014
    Publication date: September 25, 2014
    Applicant: Japan Display Inc.
    Inventors: Yingbao YANG, Takeo KOITO
  • Publication number: 20140267993
    Abstract: According to an aspect, a liquid crystal device includes: a first substrate that is a transparent substrate; a second substrate that is a transparent substrate facing the first substrate; a liquid crystal layer that contains liquid crystal molecules and is provided between the first substrate and the second substrate; a first orientation film that orients the liquid crystal molecules and is provided above a surface on the liquid crystal layer side of the first substrate; and a second orientation film that orients the liquid crystal molecules and is provided above a surface on the liquid crystal layer side of the second substrate. A difference in an amount of angle exists between a pre-tilt angle given by the first orientation film to liquid crystal molecules near the first orientation film and a pre-tilt angle given by the second orientation film to liquid crystal molecules near the second orientation film.
    Type: Application
    Filed: March 5, 2014
    Publication date: September 18, 2014
    Applicant: Japan Display Inc.
    Inventors: Hiroki SUGIYAMA, Takeo KOITO, Hayato KURASAWA
  • Patent number: 8836880
    Abstract: There are provided a display that achieves a smaller frame size than in the past, a method of manufacturing the display, and an electronic unit including the display. The display includes: a display panel having an effective display region and a frame region located at the periphery of the effective display region; and a lens component provided on a viewing surface side of the display panel, the lens component having a lens function section in part or all of a circumferential region thereof. A visible outline on a lens-function-section side of the lens component is disposed outside a visible outline of the frame region of the display panel.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: September 16, 2014
    Inventors: Daisuke Takama, Takeo Koito
  • Patent number: 8836875
    Abstract: A liquid crystal display device includes a liquid crystal panel which displays a left eye image and a right eye image; and a light-shielding barrier which has a slit section and a light-shielding section to cause binocular parallax, wherein the liquid crystal panel includes a first substrate which has a pixel electrode formed thereon, a second substrate which is separated from and opposed to the surface of the first substrate which has the pixel electrode formed thereon, and a liquid crystal layer which is disposed between the first substrate and the second substrate, the pixel electrode has a plurality of strip-shaped parts which are arranged with intervals therebetween, and an extending direction of the strip-shaped parts is substantially perpendicular to an opening direction of the slit section.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: September 16, 2014
    Assignee: Japan Display West Inc.
    Inventors: Tsuyoshi Ohyama, Yingbao Yang, Takeo Koito
  • Publication number: 20140232952
    Abstract: Warpage deformation which is caused when substrates having mutually different linear expansion coefficients are bonded to sandwich a display functional layer is suppressed. A display device has a first substrate, a second substrate bonded to the first substrate so as to be opposed to the first substrate, and a liquid crystal layer serving as a display functional layer disposed between the first substrate and the second substrate. Also, a first linear expansion coefficient of the first substrate provided in the display device is larger than a second linear expansion coefficient of the second substrate, and a first thickness of the first substrate is larger than a second thickness of the second substrate.
    Type: Application
    Filed: January 9, 2014
    Publication date: August 21, 2014
    Applicant: JAPAN DISPLAY INC.
    Inventors: Yoshihiro Watanabe, Masanobu Ikeda, Takeo Koito, Koji Ishizaki, Hayato Kurasawa
  • Publication number: 20140232973
    Abstract: A liquid crystal panel includes: first and second substrates arranged to be opposite each other at a predetermined gap; a liquid crystal layer filled between the first and second substrates; alignment films; a counter electrode pattern formed on the first substrate; and a pixel electrode pattern formed on the first substrate so as to have a plurality of electrode branches, the extension direction of which is bent at one bend point provided near an upper pixel portion from the center of a pixel region, and which are connected at the end portion of at least the upper pixel portion or lower pixel portion, wherein the extension direction of a slit formed near the upper pixel portion from the bend point from among slits formed in the pixel electrode pattern crosses the alignment direction of the liquid crystal layer at an angle of 7° or larger.
    Type: Application
    Filed: April 28, 2014
    Publication date: August 21, 2014
    Applicant: Japan Display West Inc.
    Inventors: Yoshihiro Sakurai, Hironao Tanaka, Harumi Okuno, Takeo Koito
  • Publication number: 20140211112
    Abstract: A display device includes: a display unit including a first surface having a curved surface shape which is a straight line in a first direction and is a curved line in a second direction orthogonal to the first direction; and a parallax adjustment unit that includes a second surface having a curved surface shape which is a straight line in the first direction and is a curved line in the second direction, and is arranged on an image-displaying surface side of the display unit, wherein a distance between the first surface and the second surface at center in the second direction is shorter than a distance between the first surface and the second surface at an end in the second direction.
    Type: Application
    Filed: January 28, 2014
    Publication date: July 31, 2014
    Applicant: Japan Display Inc.
    Inventors: Yingbao YANG, Takeo KOITO
  • Patent number: 8786571
    Abstract: A liquid crystal display device includes a first substrate on a display surface side; a second substrate on a back surface side; a liquid crystal layer formed between the first and second substrates; an alignment film formed on one of the first and second substrates so as to contact the liquid crystal layer; a first sensor electrode formed on a surface, of the alignment film, contacting the liquid crystal layer; and a second sensor electrode formed on the other of the first and second substrates, and adapted to either contact or approach the first sensor electrode when the first substrate is pressed from the display surface side.
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: July 22, 2014
    Assignee: Japan Display West Inc.
    Inventors: Takeo Koito, Koji Noguchi
  • Publication number: 20140168547
    Abstract: An image display apparatus including an image display section that displays a two-dimensional image; and a variable lens array that includes a first substrate having a first electrode, a second substrate having a second electrode, and a liquid crystal layer which is disposed between the first substrate and the second substrate. The value of the refractive power of each lens line thereof is changed by a voltage which is applied between the first electrode and the second electrode. The variable lens array is disposed to be opposed to the image display section. Wall-shaped or columnar spacers are provided in a place, in which an orientation direction of liquid crystal molecules of the liquid crystal layer is unchanged when the value of the refractive power of each lens line thereof is changed, between the first substrate and the second substrate of the variable lens array.
    Type: Application
    Filed: February 19, 2014
    Publication date: June 19, 2014
    Applicant: Japan Display West Inc.
    Inventors: Daisuke Takama, Takeo Koito
  • Patent number: 8749746
    Abstract: A liquid crystal panel including a pair of substrates facing each other with a space in between and a liquid crystal layer disposed in the space between the pair of substrates. Further, the liquid crystal panel includes a plurality of pairs of pillar structures. Each pair of pillar structures is arranged on opposing faces of the pair of substrates, respectively, to face each other along a normal to the opposing faces. With the benefit of such pillar configuration, degradation of the liquid crystal panel due to an external pressure may be decreased.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: June 10, 2014
    Assignee: Japan Display West Inc.
    Inventors: Takeo Koito, Shuji Hayashi
  • Patent number: 8681306
    Abstract: Disclosed herein is a liquid crystal display device, including: a first substrate; a second substrate; a plurality of spacers disposed between the first substrate and the second substrate; and a liquid crystal layer filled between the first substrate and the second substrate supported by the plurality of spacers; wherein each of the plurality of spacers has a multiple step structure having one or more steps.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: March 25, 2014
    Assignee: Japan Display West Inc.
    Inventors: Takeo Koito, Tsutomu Tanaka, Hidehiro Kosaka
  • Patent number: 8654088
    Abstract: A display includes: a display section having a plurality of pixels provided in a region where a first substrate and a second substrate are disposed opposite to each other; a switch provided in the region where the first substrate and the second substrate are disposed opposite to each other, the switch having two electrodes closed by a pressure from outside; a detecting section comparing a signal from the switch with a reference signal to determine whether the switch is closed or not; and a precharge section applying a precharge potential to a wiring in continuity with one of the electrodes of the switch prior to the detection at the detecting section.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: February 18, 2014
    Assignee: Japan Display West Inc.
    Inventors: Yuko Yamauchi, Hiroshi Mizuhashi, Yoshiharu Nakajima, Tsutomu Tanaka, Shuji Hayashi, Takeo Koito
  • Publication number: 20140024156
    Abstract: Disclosed herein is a liquid crystal display device including a plurality of pixels each having a reflecting section and a transmitting section, the pixels each including a plurality of sub-pixels resulting from alignment division, the liquid crystal display device including: an element layer formed on a substrate; an insulating film formed on the substrate so as to cover the element layer; a pixel electrode formed on the insulating film so as to be connected to the element layer; a gap adjusting layer formed on the insulating film on the element layer including a region of connection between the element layer and the pixel electrode; and a dielectric formed on a connecting part for making an electric connection between the sub-pixels.
    Type: Application
    Filed: September 24, 2013
    Publication date: January 23, 2014
    Applicant: Japan Display West Inc.
    Inventors: Takeo KOITO, Hiroshi NISHIKAWA
  • Patent number: 8624867
    Abstract: A display device includes: a display panel including first and second substrates spaced from and opposite to each other, and has a touch sensor switch. The touch sensor switch includes a first touch electrode provided on a surface of the first substrate facing the second substrate, and a second touch electrode provided on a surface of the second substrate facing the first substrate and spaced from and faces the first touch electrode. The first and second touch electrodes contact with each other when the touch panel is deformed by an external pressure. The first touch electrode covers a surface of a concave and convex area where grooves are formed to be spaced from each other, and on the surface on which the first touch electrode is provided, an application film is provided to expose a surface of a top face of a convex part of the concave and convex area.
    Type: Grant
    Filed: January 27, 2010
    Date of Patent: January 7, 2014
    Assignee: Japan Display West Inc.
    Inventors: Masaya Tamaki, Takeo Koito, Masato Imai
  • Patent number: 8576369
    Abstract: Disclosed herein is a liquid crystal display device including a plurality of pixels each having a reflecting section and a transmitting section, the pixels each including a plurality of sub-pixels resulting from alignment division, the liquid crystal display device including: an element layer formed on a substrate; an insulating film formed on the substrate so as to cover the element layer; a pixel electrode formed on the insulating film so as to be connected to the element layer; a gap adjusting layer formed on the insulating film on the element layer including a region of connection between the element layer and the pixel electrode; and a dielectric formed on a connecting part for making an electric connection between the sub-pixels.
    Type: Grant
    Filed: November 19, 2007
    Date of Patent: November 5, 2013
    Assignee: Japan Display West, Inc.
    Inventors: Takeo Koito, Hiroshi Nishikawa
  • Publication number: 20130250568
    Abstract: Disclosed herein is a display apparatus including a display section in which pixels each configured from a plurality of sub pixels of colors different from each other are disposed; and an optical device laminated on the display section and configured to control a direction of a light ray from the display section; wherein the sub pixels are disposed at positions at which repetitions of all of the colors of the sub pixels are provided in at least one of a horizontal direction and a vertical direction of the display section and distances between the sub pixels having the same colors and adjacent from each other are substantially equal to each other.
    Type: Application
    Filed: February 21, 2013
    Publication date: September 26, 2013
    Applicant: JAPAN DISPLAY WEST, INC.
    Inventors: Takeo Koito, Daisuke Takama