Patents by Inventor Osamu Ishige

Osamu Ishige 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: 11531416
    Abstract: A display device with a touch detection function including: a plurality of elements performing display operation; a plurality of touch detection electrodes arranged side by side to extend in one direction, and each outputting a detection signal based on a change in an electrostatic capacitance caused by an external proximity object; a conductive film insulated from or connected with high resistance to the touch detection electrodes, and disposed to cover the touch detection electrodes; and a touch detection circuit detecting the external proximity object by sampling the detection signal. The conductive film has a sheet resistance equal to or smaller than a predetermined resistance value, and has a time constant larger than a predetermined minimum time constant defined by sampling timings in the touch detection circuit.
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: December 20, 2022
    Assignee: JAPAN DISPLAY INC.
    Inventors: Koji Ishizaki, Koji Noguchi, Osamu Ishige
  • Publication number: 20210373695
    Abstract: A display device with a touch detection function including: a plurality of elements performing display operation; a plurality of touch detection electrodes arranged side by side to extend in one direction, and each outputting a detection signal based on a change in an electrostatic capacitance caused by an external proximity object; a conductive film insulated from or connected with high resistance to the touch detection electrodes, and disposed to cover the touch detection electrodes; and a touch detection circuit detecting the external proximity object by sampling the detection signal. The conductive film has a sheet resistance equal to or smaller than a predetermined resistance value, and has a time constant larger than a predetermined minimum time constant defined by sampling timings in the touch detection circuit.
    Type: Application
    Filed: August 11, 2021
    Publication date: December 2, 2021
    Applicant: Japan Display Inc.
    Inventors: Koji Ishizaki, Koji Noguchi, Osamu Ishige
  • Patent number: 11119594
    Abstract: A display device with a touch detection function including: a plurality of elements performing display operation; a plurality of touch detection electrodes arranged side by side to extend in one direction, and each outputting a detection signal based on a change in an electrostatic capacitance caused by an external proximity object; a conductive film insulated from or connected with high resistance to the touch detection electrodes, and disposed to cover the touch detection electrodes; and a touch detection circuit detecting the external proximity object by sampling the detection signal. The conductive film has a sheet resistance equal to or smaller than a predetermined resistance value, and has a time constant larger than a predetermined minimum time constant defined by sampling timings in the touch detection circuit.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: September 14, 2021
    Assignee: JAPAN DISPLAY INC.
    Inventors: Koji Ishizaki, Koji Noguchi, Osamu Ishige
  • Publication number: 20190310730
    Abstract: A display device with a touch detection function including: a plurality of elements performing display operation; a plurality of touch detection electrodes arranged side by side to extend in one direction, and each outputting a detection signal based on a change in an electrostatic capacitance caused by an external proximity object; a conductive film insulated from or connected with high resistance to the touch detection electrodes, and disposed to cover the touch detection electrodes; and a touch detection circuit detecting the external proximity object by sampling the detection signal. The conductive film has a sheet resistance equal to or smaller than a predetermined resistance value, and has a time constant larger than a predetermined minimum time constant defined by sampling timings in the touch detection circuit.
    Type: Application
    Filed: June 25, 2019
    Publication date: October 10, 2019
    Applicant: Japan Display Inc.
    Inventors: Koji ishizaki, Koji Noguchi, Osamu Ishige
  • Patent number: 10386981
    Abstract: A display device with a touch detection function including: a plurality of elements performing display operation; a plurality of touch detection electrodes arranged side by side to extend in one direction, and each outputting a detection signal based on a change in an electrostatic capacitance caused by an external proximity object; a conductive film insulated from or connected with high resistance to the touch detection electrodes, and disposed to cover the touch detection electrodes; and a touch detection circuit detecting the external proximity object by sampling the detection signal. The conductive film has a sheet resistance equal to or smaller than a predetermined resistance value, and has a time constant larger than a predetermined minimum time constant defined by sampling timings in the touch detection circuit.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: August 20, 2019
    Assignee: JAPAN DISPLAY INC.
    Inventors: Koji Ishizaki, Koji Noguchi, Osamu Ishige
  • Publication number: 20190064971
    Abstract: A display device with a touch detection function including: a plurality of elements performing display operation; a plurality of touch detection electrodes arranged side by side to extend in one direction, and each outputting a detection signal based on a change in an electrostatic capacitance caused by an external proximity object; a conductive film insulated from or connected with high resistance to the touch detection electrodes, and disposed to cover the touch detection electrodes; and a touch detection circuit detecting the external proximity object by sampling the detection signal. The conductive film has a sheet resistance equal to or smaller than a predetermined resistance value, and has a time constant larger than a predetermined minimum time constant defined by sampling timings in the touch detection circuit.
    Type: Application
    Filed: October 30, 2018
    Publication date: February 28, 2019
    Applicant: Japan Display Inc.
    Inventors: Koji Ishizaki, Koji Noguchi, Osamu Ishige
  • Patent number: 10156948
    Abstract: A display device with a touch detection function including: a plurality of liquid crystal display elements performing display operation; a plurality of touch detection electrodes arranged side by side to extend in one direction, and each outputting a detection signal based on a change in an electrostatic capacitance caused by an external proximity object; a conductive film insulated from or connected with high resistance to the touch detection electrodes, and disposed to cover the touch detection electrodes; and a touch detection circuit detecting the external proximity object by sampling the detection signal. The conductive film has a sheet resistance equal to or smaller than a predetermined resistance value, and has a time constant larger than a predetermined minimum time constant defined by sampling timings in the touch detection circuit.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: December 18, 2018
    Assignee: JAPAN DISPLAY INC.
    Inventors: Koji Ishizaki, Koji Noguchi, Osamu Ishige
  • Patent number: 10133106
    Abstract: An image quality of a display device is improved. The display device includes: a display unit having a display functional layer; a cover member having a front surface and a back surface positioned on an opposite side of the front surface and covering the display unit; and a polarizing plate having a front surface so as to oppose the back surface of the cover member through a space spreading along the back surface of the cover member. Also, a reflection suppressing layer reducing reflected light which is visually recognized on the display surface side is formed on either one of the back surface of the cover member and the front surface of the polarizing plate.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: November 20, 2018
    Assignee: Japan Display Inc.
    Inventors: Naosuke Furutani, Atsushi Nakamura, Osamu Ishige, Koji Noguchi, Chihiro Tanaka
  • Patent number: 9960356
    Abstract: Provided are an organic electroluminescence device which has a high luminous efficiency, a low operating voltage and a long life and which is low in a voltage rise in operation and excellent in an ageing stability and has an aptitude in production by the wet process, and a lighting equipment and a display device which are prepared by using the same.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: May 1, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Mayuka Hikime, Osamu Ishige, Tomohiro Oshiyama, Rie Katakura
  • Patent number: 9442608
    Abstract: A display device with a touch detection function includes: a plurality of liquid crystal display elements performing display operation; a plurality of touch detection electrodes arranged side by side to extend in one direction, and each outputting a detection signal based on a change in an electrostatic capacitance caused by an external proximity object; a conductive film insulated from or connected with high resistance to the touch detection electrodes, and disposed to cover the touch detection electrodes; and a touch detection circuit detecting the external proximity object by sampling the detection signal. The conductive film has a sheet resistance equal to or smaller than a predetermined resistance value, and has a time constant larger than a predetermined minimum time constant defined by sampling timings in the touch detection circuit.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: September 13, 2016
    Assignee: JAPAN DISPLAY INC.
    Inventors: Koji Ishizaki, Koji Noguchi, Osamu Ishige
  • Publication number: 20160154501
    Abstract: A display device includes a display panel having a top surface and a bottom surface on the opposite side of the top surface and displays an image on the top surface, and a cover member covers the bottom surface of the display panel. The display panel includes a detecting element for detecting an object approaching the top surface. Also, the cover member is adhered to the bottom surface via the adhesive layer.
    Type: Application
    Filed: November 19, 2015
    Publication date: June 2, 2016
    Inventors: Koji NOGUCHI, Naosuke FURUTANI, Osamu ISHIGE, Atsushi NAKAMURA
  • Publication number: 20160131931
    Abstract: An image quality of a display device is improved. The display device includes: a display unit having a display functional layer; a cover member having a front surface and a back surface positioned on an opposite side of the front surface and covering the display unit; and a polarizing plate having a front surface so as to oppose the back surface of the cover member through a space spreading along the back surface of the cover member. Also, a reflection suppressing layer reducing reflected light which is visually recognized on the display surface side is formed on either one of the back surface of the cover member and the front surface of the polarizing plate.
    Type: Application
    Filed: November 9, 2015
    Publication date: May 12, 2016
    Inventors: Naosuke FURUTANI, Atsushi NAKAMURA, Osamu ISHIGE, Koji NOGUCHI, Chihiro TANAKA
  • Publication number: 20150109562
    Abstract: According to one embodiment, a liquid crystal display device includes a first polarizing layer, a second polarizing layer, a first substrate unit, a liquid crystal layer, and a second substrate unit. The first substrate unit is provided between the first and second polarizing layers. The first substrate unit includes a first pixel electrode, a second pixel electrode, and an inter-pixel region between the first and second pixel electrodes. The first and second pixel electrodes are light-reflective and disposed in a first major surface intersecting a direction from the first polarizing layer toward the second polarizing layer. The second substrate unit is provided between the first substrate unit and the second polarizing layer. An opposing electrode is provided in a second major surface of the second substrate unit. The opposing electrode is light-transmissive. The liquid crystal layer is provided between the first and second major surfaces.
    Type: Application
    Filed: October 7, 2014
    Publication date: April 23, 2015
    Applicant: Japan Display Inc.
    Inventors: Masaya TAMAKI, Osamu ISHIGE
  • Publication number: 20130341602
    Abstract: Provided are an organic electroluminescence device which has a high luminous efficiency, a low operating voltage and a long life and which is low in a voltage rise in operation and excellent in an ageing stability and has an aptitude in production by the wet process, and a lighting equipment and a display device which are prepared by using the same.
    Type: Application
    Filed: May 21, 2013
    Publication date: December 26, 2013
    Inventors: Mayuka HIKIME, Osamu ISHIGE, Tomohiro OSHIYAMA, Rie KATAKURA
  • Patent number: 8437067
    Abstract: Provided is an electrochemical display element composed of a simple member structure, capable of driving at low voltage, and exhibiting high display contrast and white display reflectance, and further to provide the electrochemical display element exhibiting reduced variation in reflectance during repetitive driving even after storage for a long duration. Disclosed is an electrochemical display element possessing an N-oxyl derivative represented by the following Formula (1), an electrolyte and a pair of facing electrodes: wherein each of R1, R2, R3 and R4 independently represents an aliphatic hydrocarbon group, an aromatic hydrocarbon group or a heterocyclic group, which may have a hydrogen atom or a substituent; Z1 represents a group of atoms having 2 or 3 atoms to form a cyclic structure; and Z1 may also have a substituent.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: May 7, 2013
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Takamune Hattori, Osamu Ishige, Takeshi Hakii
  • Patent number: 8383829
    Abstract: An electrochromic compound represented by Formula (1), wherein R1 is an alkyl group, an alkenyl group, an aryl group, or a heterocyclic group; R2 and R3 are each a hydrogen atom or a substituent; X is N—R4, an oxygen atom, or a sulfur atom; and R4 is a hydrogen atom or a substituent; provided that at least one of R1-R4 has a partial structure represented by Formula (2), —Si(Y)nR?(3-n)??Formula (2) wherein Y is a halogen atom or OR, R is an alkyl group, or an aryl group; R? is an alkyl group, an alkenyl group, an aryl group, or a heterocyclic group, and n is an integer of 1-3.
    Type: Grant
    Filed: April 7, 2009
    Date of Patent: February 26, 2013
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Kaori Ono, Osamu Ishige, Takeshi Hakii, Akihito Hisamitsu
  • Publication number: 20120062511
    Abstract: A display device with a touch detection function includes: a plurality of liquid crystal display elements performing display operation; a plurality of touch detection electrodes arranged side by side to extend in one direction, and each outputting a detection signal based on a change in an electrostatic capacitance caused by an external proximity object; a conductive film insulated from or connected with high resistance to the touch detection electrodes, and disposed to cover the touch detection electrodes; and a touch detection circuit detecting the external proximity object by sampling the detection signal. The conductive film has a sheet resistance equal to or smaller than a predetermined resistance value, and has a time constant larger than a predetermined minimum time constant defined by sampling timings in the touch detection circuit.
    Type: Application
    Filed: September 7, 2011
    Publication date: March 15, 2012
    Applicant: SONY CORPORATION
    Inventors: Koji Ishizaki, Koji Noguchi, Osamu Ishige
  • Patent number: 8064119
    Abstract: This invention provides a novel electrochemical display element, which can realize bright white display, high-contrast black and white display, and full-color display by a simple member construction, and a method for driving the display element. The display element is characterized in that it comprises opposed electrodes, and an electrolyte, an electrochromic compound, a metal salt compound, and a white scattering material between the opposed electrodes, and multicolor display of three or more colors is carried out by black display, white display, and display of color other than black by driving the opposed electrodes by taking advantage of 1) a color change as a result of oxidation and reduction reactions of the electrochromic compound, and 2) a color change as a result of reduction precipitation and oxidation dissolution of a metallic element contained in the metal salt compound in at least one of the opposed electrodes.
    Type: Grant
    Filed: November 14, 2007
    Date of Patent: November 22, 2011
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Noriyuki Kokeguchi, Takeshi Hakii, Osamu Ishige
  • Patent number: 7995159
    Abstract: A liquid crystal display apparatus, includes a liquid crystal panel including a first substrate, a second substrate disposed in an opposing relationship to the first substrate with a space left, and a liquid crystal layer provided in the space between the first and second substrates, the liquid crystal panel including a pixel region in which a plurality of pixels are provided on the faces of the first and second substrates which oppose to each other such that illuminating light irradiated from the first substrate side upon the second substrate side is transmitted through the pixel region to display an image, and the liquid crystal panel further including a light scattering layer provided on the face of the first substrate on which the illuminating light is illuminated and configured to scatter and transmit the light.
    Type: Grant
    Filed: August 28, 2008
    Date of Patent: August 9, 2011
    Assignee: Sony Corporation
    Inventors: Harumi Okuno, Osamu Ishige, Masumitsu Ino
  • Publication number: 20110013261
    Abstract: Provided is an electrochemical display element composed of a simple member structure, capable of driving at low voltage, and exhibiting high display contrast and white display reflectance, and further to provide the electrochemical display element exhibiting reduced variation in reflectance during repetitive driving even after storage for a long duration. Disclosed is an electrochemical display element possessing an N-oxyl derivative represented by the following Formula (1), an electrolyte and a pair of facing electrodes: wherein each of R1, R2, R3 and R4 independently represents an aliphatic hydrocarbon group, an aromatic hydrocarbon group or a heterocyclic group, which may have a hydrogen atom or a substituent; Z1 represents a group of atoms having 2 or 3 atoms to form a cyclic structure; and Z1 may also have a substituent.
    Type: Application
    Filed: February 23, 2009
    Publication date: January 20, 2011
    Applicant: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Takamune Hattori, Osamu Ishige, Takeshi Hakii