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).
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Patent number: 11531416Abstract: 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: GrantFiled: August 11, 2021Date of Patent: December 20, 2022Assignee: JAPAN DISPLAY INC.Inventors: Koji Ishizaki, Koji Noguchi, Osamu Ishige
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Publication number: 20210373695Abstract: 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: ApplicationFiled: August 11, 2021Publication date: December 2, 2021Applicant: Japan Display Inc.Inventors: Koji Ishizaki, Koji Noguchi, Osamu Ishige
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Patent number: 11119594Abstract: 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: GrantFiled: June 25, 2019Date of Patent: September 14, 2021Assignee: JAPAN DISPLAY INC.Inventors: Koji Ishizaki, Koji Noguchi, Osamu Ishige
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Publication number: 20190310730Abstract: 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: ApplicationFiled: June 25, 2019Publication date: October 10, 2019Applicant: Japan Display Inc.Inventors: Koji ishizaki, Koji Noguchi, Osamu Ishige
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Patent number: 10386981Abstract: 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: GrantFiled: October 30, 2018Date of Patent: August 20, 2019Assignee: JAPAN DISPLAY INC.Inventors: Koji Ishizaki, Koji Noguchi, Osamu Ishige
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Publication number: 20190064971Abstract: 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: ApplicationFiled: October 30, 2018Publication date: February 28, 2019Applicant: Japan Display Inc.Inventors: Koji Ishizaki, Koji Noguchi, Osamu Ishige
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Patent number: 10156948Abstract: 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: GrantFiled: July 29, 2016Date of Patent: December 18, 2018Assignee: JAPAN DISPLAY INC.Inventors: Koji Ishizaki, Koji Noguchi, Osamu Ishige
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Patent number: 10133106Abstract: 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: GrantFiled: November 9, 2015Date of Patent: November 20, 2018Assignee: Japan Display Inc.Inventors: Naosuke Furutani, Atsushi Nakamura, Osamu Ishige, Koji Noguchi, Chihiro Tanaka
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Patent number: 9960356Abstract: 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: GrantFiled: May 21, 2013Date of Patent: May 1, 2018Assignee: KONICA MINOLTA, INC.Inventors: Mayuka Hikime, Osamu Ishige, Tomohiro Oshiyama, Rie Katakura
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Patent number: 9442608Abstract: 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: GrantFiled: September 7, 2011Date of Patent: September 13, 2016Assignee: JAPAN DISPLAY INC.Inventors: Koji Ishizaki, Koji Noguchi, Osamu Ishige
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Publication number: 20160154501Abstract: 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: ApplicationFiled: November 19, 2015Publication date: June 2, 2016Inventors: Koji NOGUCHI, Naosuke FURUTANI, Osamu ISHIGE, Atsushi NAKAMURA
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Publication number: 20160131931Abstract: 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: ApplicationFiled: November 9, 2015Publication date: May 12, 2016Inventors: Naosuke FURUTANI, Atsushi NAKAMURA, Osamu ISHIGE, Koji NOGUCHI, Chihiro TANAKA
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Publication number: 20150109562Abstract: 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: ApplicationFiled: October 7, 2014Publication date: April 23, 2015Applicant: Japan Display Inc.Inventors: Masaya TAMAKI, Osamu ISHIGE
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Publication number: 20130341602Abstract: 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: ApplicationFiled: May 21, 2013Publication date: December 26, 2013Inventors: Mayuka HIKIME, Osamu ISHIGE, Tomohiro OSHIYAMA, Rie KATAKURA
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Patent number: 8437067Abstract: 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: GrantFiled: February 23, 2009Date of Patent: May 7, 2013Assignee: Konica Minolta Holdings, Inc.Inventors: Takamune Hattori, Osamu Ishige, Takeshi Hakii
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Patent number: 8383829Abstract: 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: GrantFiled: April 7, 2009Date of Patent: February 26, 2013Assignee: Konica Minolta Holdings, Inc.Inventors: Kaori Ono, Osamu Ishige, Takeshi Hakii, Akihito Hisamitsu
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Publication number: 20120062511Abstract: 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: ApplicationFiled: September 7, 2011Publication date: March 15, 2012Applicant: SONY CORPORATIONInventors: Koji Ishizaki, Koji Noguchi, Osamu Ishige
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Patent number: 8064119Abstract: 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: GrantFiled: November 14, 2007Date of Patent: November 22, 2011Assignee: Konica Minolta Holdings, Inc.Inventors: Noriyuki Kokeguchi, Takeshi Hakii, Osamu Ishige
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Patent number: 7995159Abstract: 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: GrantFiled: August 28, 2008Date of Patent: August 9, 2011Assignee: Sony CorporationInventors: Harumi Okuno, Osamu Ishige, Masumitsu Ino
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Publication number: 20110013261Abstract: 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: ApplicationFiled: February 23, 2009Publication date: January 20, 2011Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Takamune Hattori, Osamu Ishige, Takeshi Hakii