Patents by Inventor Takatoshi Kira
Takatoshi Kira 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: 11016620Abstract: A touchscreen panel includes a substrate, a conductive layer disposed in a predetermined pattern on the substrate, and an insulating layer disposed on the conductive layer. The insulating layer includes grooves recessed in a surface of the insulating layer. The grooves include first grooves and the second grooves. The first grooves extend in a first direction. The second grooves are arranged in line in a second direction intersecting the first direction. The second grooves are recessed to the conductive layer. The first and the second grooves are filled with conductive materials. The conductive materials in the first grooves form first lines. The conductive materials in the second grooves form second lines. The first lines are configured for detection of a position of touch in the second direction. The second lines are configured for detection of a position of the touch in the first direction.Type: GrantFiled: October 14, 2019Date of Patent: May 25, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Takatoshi Kira, Mikihiro Noma
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Patent number: 10983647Abstract: A method for manufacturing a touch panel includes the steps of: forming a first imprint layer; forming a first wire forming groove portion; forming a first wire; forming a spacer layer so that the spacer layer is placed over a surface of the first imprint layer in which the first wire forming groove portion has been formed and overlaps a part of the first wire; forming a second imprint layer so that the spacer layer is sandwiched between the first imprint layer and the second imprint layer; forming a second wire forming groove portion; forming a second wire; and delaminating the spacer layer from the first imprint layer and removing, together with the delaminated portion, a portion of the second imprint layer that overlaps the delaminated portion.Type: GrantFiled: August 3, 2018Date of Patent: April 20, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Mikihiro Noma, Takatoshi Kira
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Patent number: 10788943Abstract: Provided is a technique of preventing a decrease in touch detection sensitivity even in the case where an air layer is present between electrodes for touch detection in a mutual capacitance touch panel-equipped display device. A touch panel-equipped display device 1 includes: a substrate 11; a plurality of first electrodes Rx spaced from each other on the substrate 11; a second electrode Tx located around or inside the plurality of first electrodes Rx on the substrate 11, to form a capacitance with each of the first electrodes; and a translucent cover portion C facing the substrate 11. Each of the first electrodes Tx or the second electrode Rx is in contact with the cover portion C, and an air layer AG is interposed between the substrate 11 and the cover portion C in a region in which an electrode not in contact with the cover portion C is located.Type: GrantFiled: December 12, 2017Date of Patent: September 29, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Atsushi Aoki, Shinichi Miyazaki, Takatoshi Kira, Mikihiro Noma
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Publication number: 20200245468Abstract: A method for manufacturing a touch panel includes the steps of: forming a first imprint layer; forming a first wire forming groove portion; forming a first wire; forming a spacer layer so that the spacer layer is placed over a surface of the first imprint layer in which the first wire forming groove portion has been formed and overlaps a part of the first wire; forming a second imprint layer so that the spacer layer is sandwiched between the first imprint layer and the second imprint layer; forming a second wire forming groove portion; forming a second wire; and delaminating the spacer layer from the first imprint layer and removing, together with the delaminated portion, a portion of the second imprint layer that overlaps the delaminated portion.Type: ApplicationFiled: August 3, 2018Publication date: July 30, 2020Inventors: Mikihiro NOMA, Takatoshi KIRA
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Patent number: 10712891Abstract: A wiring board includes a first imprint layer having a first groove, a first conductive layer in the first groove, a second imprint layer on the first imprint layer and having a second groove and a contact hole, a second conductive layer in the second groove and the contact hole, a first terminal side conductive part constituted by the second conductive layer and including a first terminal and disposed to partially overlap the contact hole, a first non-terminal side conductive part constituted by the first conductive layer and not including the first terminal and disposed to partially overlap the contact hole, a second terminal side conductive part constituted by the second conductive layer and including a second terminal, and a second non-terminal side conductive part constituted by the second conductive layer and not including the second terminal and joined to the second terminal side conductive part.Type: GrantFiled: April 30, 2019Date of Patent: July 14, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Takatoshi Kira, Mikihiro Noma
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Publication number: 20200125214Abstract: A touchscreen panel includes a substrate, a conductive layer disposed in a predetermined pattern on the substrate, and an insulating layer disposed on the conductive layer. The insulating layer includes grooves recessed in a surface of the insulating layer. The grooves include first grooves and the second grooves. The first grooves extend in a first direction. The second grooves are arranged in line in a second direction intersecting the first direction. The second grooves are recessed to the conductive layer. The first and the second grooves are filled with conductive materials. The conductive materials in the first grooves form first lines. The conductive materials in the second grooves form second lines. The first lines are configured for detection of a position of touch in the second direction. The second lines are configured for detection of a position of the touch in the first direction.Type: ApplicationFiled: October 14, 2019Publication date: April 23, 2020Inventors: TAKATOSHI KIRA, MIKIHIRO NOMA
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Publication number: 20190346973Abstract: A wiring board includes a first imprint layer having a first groove, a first conductive layer in the first groove, a second imprint layer on the first imprint layer and having a second groove and a contact hole, a second conductive layer in the second groove and the contact hole, a first terminal side conductive part constituted by the second conductive layer and including a first terminal and disposed to partially overlap the contact hole, a first non-terminal side conductive part constituted by the first conductive layer and not including the first terminal and disposed to partially overlap the contact hole, a second terminal side conductive part constituted by the second conductive layer and including a second terminal, and a second non-terminal side conductive part constituted by the second conductive layer and not including the second terminal and joined to the second terminal side conductive part.Type: ApplicationFiled: April 30, 2019Publication date: November 14, 2019Inventors: Takatoshi KIRA, Mikihiro NOMA
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Publication number: 20190286281Abstract: Provided is a technique of preventing a decrease in touch detection sensitivity even in the case where an air layer is present between electrodes for touch detection in a mutual capacitance touch panel-equipped display device. A touch panel-equipped display device 1 includes: a substrate 11; a plurality of first electrodes Rx spaced from each other on the substrate 11; a second electrode Tx located around or inside the plurality of first electrodes Rx on the substrate 11, to form a capacitance with each of the first electrodes; and a translucent cover portion C facing the substrate 11. Each of the first electrodes Tx or the second electrode Rx is in contact with the cover portion C, and an air layer AG is interposed between the substrate 11 and the cover portion C in a region in which an electrode not in contact with the cover portion C is located.Type: ApplicationFiled: December 12, 2017Publication date: September 19, 2019Inventors: Atsushi AOKI, Shinichi MIYAZAKI, Takatoshi KIRA, Mikihiro NOMA
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Publication number: 20190101994Abstract: An input pen includes: a casing; a pen tip disposed at a first end of the casing; a vibrating unit housed in the casing; and a vibration transmission unit disposed between the vibrating unit and the pen tip. The vibrating unit is configured to vibrate in the vertical direction. The vibration transmission unit is configured to convert the vibration of the vibrating unit into a vibration in the horizontal direction.Type: ApplicationFiled: September 11, 2018Publication date: April 4, 2019Inventor: Takatoshi KIRA
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Patent number: 9971439Abstract: A configuration of a touch-panel-equipped display device in which the occurrence of moire can be suppressed is provided. A touch-panel-equipped display device (1) includes: a color filter layer (121) that includes a plurality of pixels (PX) arranged in matrix along a first direction and a second direction that intersect at a right angle; and a sensor pattern layer (1220) that includes a plurality of electrodes (1220) arranged along the second direction at a predetermined sensor interval (SY) and is disposed so as to overlap the color filter layer (121) in a plan view. Each of the plurality of pixels (PX) includes n color filters (121R, 121G, 121B) that transmit light in different wavelength regions from one another, where n represents an integer of 3 or more. The n color filters are arranged at predetermined subpixel intervals (CSFY) along the second direction.Type: GrantFiled: February 26, 2015Date of Patent: May 15, 2018Assignee: SHARP KABUSHIKI KAISHAInventors: Takatoshi Kira, Tomotoshi Tsujioka, Shinichi Miyazaki, Kohji Yabuta
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Publication number: 20180120986Abstract: A touch sensor-equipped display device is provided in which dividing lines for dummy electrodes provided between touch detection electrodes are not recognizable.Type: ApplicationFiled: February 22, 2016Publication date: May 3, 2018Inventors: SHINICHI MIYAZAKI, TAKATOSHI KIRA
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Publication number: 20180046292Abstract: Provided is a touch sensor-equipped display device in which moire occurring due to interference between an array pattern of subpixels and a pattern of slits in a touch detection electrode is suppressed. The touch sensor-equipped display device includes a display panel including a plurality of display pixels arranged in matrix, a touch drive electrode extending in a first direction, and a touch detection electrode extending in a second direction that intersects with the first direction at a right angle. In the touch detection electrode, a plurality of slits each of which is repeatedly bent in a zigzag shape while extending in the second direction are provided so as to be arrayed in the first direction. An arrangement interval “a” for the slits adjacent in the first direction satisfies relationship given as: a=b×(0.725+n)×?3÷(2×cos ?) where “b” represents an arrangement interval for the display pixels adjacent in the first direction.Type: ApplicationFiled: February 22, 2016Publication date: February 15, 2018Applicant: Sharp Kabushiki KaishaInventors: SHINICHI MIYAZAKI, TAKATOSHI KIRA
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Patent number: 9684408Abstract: A touch panel having an active area where a touch input is performed, including: a tempered glass substrate having a compressive stress layer formed in a surface thereof; a transparent electrode made of an inorganic oxide film formed within the active area of the touch panel over the tempered glass substrate; a base layer made of an organic film provided between the transparent electrode and the compressive stress layer, the base layer being sandwiched between the transparent electrode and the compressive stress layer such that the transparent electrode and the compressive stress layer are not in contact with each other; and an overcoat layer made of an organic film provided on a side of the transparent electrode that is opposite to the compressive stress layer, the overcoat layer covering the transparent electrode so as to contact the transparent electrode on the base layer.Type: GrantFiled: July 29, 2014Date of Patent: June 20, 2017Assignee: SHARP KABUSHIKI KAISHAInventor: Takatoshi Kira
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Publication number: 20170083136Abstract: A configuration of a touch-panel-equipped display device in which the occurrence of moire can be suppressed is provided. A touch-panel-equipped display device (1) includes: a color filter layer (121) that includes a plurality of pixels (PX) arranged in matrix along a first direction and a second direction that intersect at a right angle; and a sensor pattern layer (1220) that includes a plurality of electrodes (1220) arranged along the second direction at a predetermined sensor interval (SY) and is disposed so as to overlap the color filter layer (121) in a plan view. Each of the plurality of pixels (PX) includes n color filters (121R, 121G, 121B) that transmit light in different wavelength regions from one another, where n represents an integer of 3 or more. The n color filters are arranged at predetermined subpixel intervals (CSFY) along the second direction.Type: ApplicationFiled: February 26, 2015Publication date: March 23, 2017Inventors: Takatoshi KIRA, Tomotoshi TSUJIOKA, Shinichi MIYAZAKI, Kohji YABUTA
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Publication number: 20160162103Abstract: A touch panel having an active area where a touch input is performed, including: a tempered glass substrate having a compressive stress layer formed in a surface thereof; a transparent electrode made of an inorganic oxide film formed within the active area of the touch panel over the tempered glass substrate; a base layer made of an organic film provided between the transparent electrode and the compressive stress layer, the base layer being sandwiched between the transparent electrode and the compressive stress layer such that the transparent electrode and the compressive stress layer are not in contact with each other; and an overcoat layer made of an organic film provided on a side of the transparent electrode that is opposite to the compressive stress layer, the overcoat layer covering the transparent electrode so as to contact the transparent electrode on the base layer.Type: ApplicationFiled: July 29, 2014Publication date: June 9, 2016Applicant: Sharp Kabushiki KaishaInventor: Takatoshi KIRA
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Patent number: 9207477Abstract: A display module 1 of the present invention includes a first board 3, a second board 4, a base film 5, and a circuit member 2. The first board 3 and the second board 4 are bonded together to face with each other. The base film 5 is provided between the first board 3 and the second board 4 and extends outwardly from an end of the first board 3. The base film 5 has an insulating property and the extended portion is bent to an outer surface side of one of the first board 3 and the second board 4. The circuit member 2 is formed on the base film 5.Type: GrantFiled: April 23, 2012Date of Patent: December 8, 2015Assignee: SHARP KABUSHIKI KAISHAInventors: Hiroki Miyazaki, Motoji Shiota, Takatoshi Kira, Gen Nagaoka, Seiji Muraoka, Makoto Tamaki, Keiji Aota, Yukio Shimizu, Takashi Matsui, Hiroki Nakahama, Hiroki Makino, Minoru Horino
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Patent number: 8994909Abstract: The width W1 of a groove (5a) is formed narrower than the width W2 of a groove (6a). The width W2 of the groove (6a) is formed at a prescribed width such that a sealing material (8) that overflows the groove (5a) can be formed along the groove (6a). The sealing material (8) spreads across the entirety of the groove (5a) and the groove (6a) when a color filter substrate (2) and an active matrix substrate (3) are bonded together. The groove (5a) is formed so as to be positioned within the groove (6a) in a plan view.Type: GrantFiled: November 30, 2011Date of Patent: March 31, 2015Assignee: Sharp Kabushiki KaishaInventors: Takatoshi Kira, Tazo Ikeguchi
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Publication number: 20140248817Abstract: A method of manufacturing a display device provided with a thin-film electronic circuit 11 includes: forming the thin-film electronic circuit 11 having a glass substrate 21 that is temporarily attached to a support member 23 by thinning the glass substrate 21 through etching while the glass substrate 21 is temporarily attached to the support member 23; attaching the thin-film electronic circuit 11 that is temporarily attached to the support member 23 to a display panel; and peeling off the support member 23 from the thin-film electronic circuit 11 attached to the display panel.Type: ApplicationFiled: October 5, 2012Publication date: September 4, 2014Applicant: SHARP KABUSHIKI KAISHAInventors: Mikihiro Noma, Tomotoshi Tsujioka, Minoru Mayumi, Takatoshi Kira, Hiroki Makino, Gen Nagaoka
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Publication number: 20140238952Abstract: A method for manufacturing a thin substrate includes the following steps: a first etching step in which the thickness of a glass substrate (110a) is reduced by etching one surface of the glass substrate (110a); a scribing step in which a scribe line (Ca) for splitting a glass substrate (110b), which is formed by reducing the thickness of the glass substrate (110a), is formed on a surface of the glass substrate (110b); and a second etching step in which the thickness of a glass substrate (110c), which is formed by forming the scribe line (Ca) on the glass substrate (110b), is reduced by etching a surface of the glass substrate (110c), and the glass substrate (110c) is split by way of the scribe line (Ca).Type: ApplicationFiled: October 15, 2012Publication date: August 28, 2014Applicant: SHARP KABUSHIKI KAISHAInventors: Hiroki Makino, Gen Nagaoka, Takatoshi Kira
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Publication number: 20140218673Abstract: A liquid crystal panel (10) of the present invention is provided with: a liquid crystal layer (50); a sealing member (40) surrounding the liquid crystal layer (50); a pair of glass substrates (20, 30) that face each other through the liquid crystal layer (50) and the seal member (40); a terminal pattern (60) disposed on the inner surface of one glass substrate (20) outside of the sealing member (40); and a corrosive liquid intrusion detector (70) that is disposed on the inner surface outside of the terminal pattern (60), the corrosive liquid intrusion detector changing color on contact with corrosive liquid. Because of such color change in the corrosive liquid intrusion detector, it is possible to detect corrosion of the terminal pattern.Type: ApplicationFiled: May 2, 2012Publication date: August 7, 2014Applicant: SHARP KABUSHIKI KAISHAInventors: Hiroki Makino, Takatoshi Kira