Patents by Inventor Shinji Yamagishi

Shinji Yamagishi 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: 9342183
    Abstract: A touch panel includes a plurality of drive lines and a plurality of sense lines, a sampling switch connected to the sense lines, and an integral circuit connected to the sense lines through the sampling switch. The sampling switch is arranged to keep an on- or off-state for a certain time from a moment at which a voltage of a source bus line is changed.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: May 17, 2016
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro Sugita, Shinji Yamagishi, Kazutoshi Kida
  • Patent number: 9310911
    Abstract: A semiconductor layer for an active element included in each of a plurality of pixels in a display section is constituted by an oxide layer containing at least one element selected from the group consisting of In, Ga, and Zn. There is provided, for the display section, a liquid crystal panel's timing controller (13) configured to carry out control so that (i) a length of a first period during which image data is written is not more than twice that of the second period and/or (ii) one (1) frame period is longer than 16.7 msec.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: April 12, 2016
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro Sugita, Kazutoshi Kida, Shinji Yamagishi, Yuhji Yashiro, Hiroyuki Ogawa, Shigeyasu Mori, Seiji Kaneko, Yasuyuki Ogawa, Kaoru Yamamoto, Kohhei Tanaka, Seiichi Uchida, Yutaka Takamaru
  • Patent number: 9310947
    Abstract: A sense line drive circuit (24) (i) receives signals passing through capacitances and outputted via sense lines (SeL1, SeL2 . . . and SeLn) during a period other than a period during which image data is sequentially written to a plurality of pixels in a liquid crystal panel and (ii) detects where, in a plurality of portions where the sense lines (SeL1, SeL2 . . . and SeLn) and drive lines (DL2, DL2 . . . and DLn) are close to each other, a detection target is present.
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: April 12, 2016
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro Sugita, Kazutoshi Kida, Shinji Yamagishi, Yuhji Yashiro, Hiroyuki Ogawa
  • Patent number: 9292143
    Abstract: A sensor electrode (31) provided between an insulating substrate (21) and a counter electrode (27) is electrically connected to a grid-shaped metal bridge (35) via an insulating layer.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: March 22, 2016
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro Sugita, Kazutoshi Kida, Shinji Yamagishi, Yuhji Yashiro, Hiroyuki Ogawa
  • Patent number: 9285842
    Abstract: A sensor electrode (31) provided between an insulating substrate (21) and a counter electrode (27) includes a plurality of electrodes (32) arranged along a first direction and a plurality of electrodes (33) arranged along a second direction perpendicular to the first direction and insulated from the electrodes (32), and these electrodes (32, 33) are formed in the same plane.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: March 15, 2016
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yuhji Yashiro, Yasuhiro Sugita, Kazutoshi Kida, Shinji Yamagishi, Hiroyuki Ogawa
  • Publication number: 20150261347
    Abstract: A display device (1) includes a display panel (12), a touch panel (14) for detecting contact of a target object with a display region (P) of the display panel (12) or approach thereof to the display region (P), and a casing (17) containing the display panel (12) and the touch panel (14), a minimum distance (d) between the touch panel (14) and an outside surface (A) being not larger than a detectable distance, within which the touch panel (14) is capable of detecting the contact of the target object with the outside surface (A) or the approach thereof to the outside surface (A).
    Type: Application
    Filed: September 13, 2013
    Publication date: September 17, 2015
    Inventors: Yasuhiro Sugita, Tomohiro Kimura, Shinji Yamagishi, Hiroyuki Ogawa, Kohji Fujiwara
  • Publication number: 20150212633
    Abstract: A touch panel having excellent detection sensitivity and response speed is provided with high reliability. This touch panel is provided with a first substrate, a second substrate, electrodes which detect the deformation amount of the second substrate, and first spacers and second spacers. The second spacers are provided in contact with both the substrates in a normal state, and the first spacers are lower than the second spacers, and the first spacers are provided on the first substrate and are separated from the second substrate in the normal state.
    Type: Application
    Filed: June 27, 2013
    Publication date: July 30, 2015
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Shinji Yamagishi, Kazutoshi Kida, Yasuhiro Sugita
  • Patent number: 9041678
    Abstract: Detection accuracy is improved without reducing a driving frequency and an S/N ratio. Driving electrodes (DL(j?2) and DL(j?1)) of a driving electrode group (GDL(i)) overlap a driving electrode group GDL(i?1), and driving electrodes (DL(j+1) and DL(j+2)) thereof overlap a driving electrode group GDL(i+1). A first changeover terminal of a changeover switch (SW(i)) is connected to a wire to which a burst clock signal (BCK) is given, and a ground potential is given to a second changeover terminal thereof. A common terminal of the changeover switch (SW(i)) is connected to a driving electrode (DL(j)) located at a center of the driving electrode group (GDL(i)), is connected to the driving electrodes (DL(j?1) to DL(j?3)), respectively, via one to three resistive elements (Rd), and is connected to the driving electrodes (DL(j+1) to DL(j+3)), respectively, via one to three resistive elements (Rd).
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: May 26, 2015
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasuhiro Sugita, Kazutoshi Kida, Yuhji Yashiro, Shinji Yamagishi
  • Publication number: 20150077651
    Abstract: Provided is a touch panel substrate to be used in a touch panel, the touch panel substrate having improved display qualities. A touch panel substrate of one embodiment of the present invention is provided with a first detection electrode having a plurality of first lattice electrodes that are aligned in the lateral direction. Each of the first lattice electrodes includes conductor lines formed in a lattice shape parallel to the outer shape of each of the first lattice electrodes, and in each of the first lattice electrodes, the diagonal line between the two opposing corners adjacent to first relay wiring is tilted with respect to the lateral direction.
    Type: Application
    Filed: April 15, 2013
    Publication date: March 19, 2015
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Shinji Yamagishi, Kazutoshi Kida, Hiromi Katoh
  • Publication number: 20150062457
    Abstract: Provided is an in-cell touch panel having improved display quality. An opposite substrate relating to one embodiment of the present invention is provided with a black matrix, first electrodes, which are disposed in the Y direction, and second electrodes, which are disposed in the X direction. The first electrodes and the second electrodes are formed such that the boundaries therebetween are positioned in regions that coincide with the black matrix in a planar view.
    Type: Application
    Filed: February 20, 2013
    Publication date: March 5, 2015
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Kazutoshi Kida, Yasuhiro Sugita, Shinji Yamagishi, Yuhji Yashiro, Hiroyuki Ogawa
  • Publication number: 20140327845
    Abstract: A touch panel includes: a group (10) of a plurality of driving electrodes provided in parallel to one another; and a group (20) of a plurality of sensing electrodes provided in parallel to one another, wherein: each one of the plurality of driving electrodes is provided with sub-electrodes (101(n) through 104(n)) extending in a direction orthogonal to a direction in which the plurality of driving electrodes extend; and the sub-electrodes have a decreasing electrode area gradient from a main body portion (main electrode (100(n))) of the each driving electrode to a far side with respect to the main body portion.
    Type: Application
    Filed: September 19, 2012
    Publication date: November 6, 2014
    Inventors: Yuhji Yashiro, Yasuhiro Sugita, Kazutoshi Kida, Shinji Yamagishi
  • Publication number: 20140198268
    Abstract: A sensor electrode (31) provided between an insulating substrate (21) and a counter electrode (27) is electrically connected to a grid-shaped metal bridge (35) via an insulating layer.
    Type: Application
    Filed: July 24, 2012
    Publication date: July 17, 2014
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro Sugita, Kazutoshi Kida, Shinji Yamagishi, Yuhji Yashiro, Hiroyuki Ogawa
  • Publication number: 20140168161
    Abstract: A sense line drive circuit (24) (i) receives signals passing through capacitances and outputted via sense lines (SeL1, SeL2 . . . and SeLn) during a period other than a period during which image data is sequentially written to a plurality of pixels in a liquid crystal panel and (ii) detects where, in a plurality of portions where the sense lines (SeL1, SeL2 . . . and SeLn) and drive lines (DL2, DL2 . . . and DLn) are close to each other, a detection target is present.
    Type: Application
    Filed: July 25, 2012
    Publication date: June 19, 2014
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro Sugita, Kazutoshi Kida, Shinji Yamagishi, Yuhji Yashiro, Hiroyuki Ogawa
  • Publication number: 20140160377
    Abstract: A touch panel substrate (5) provided with position detecting electrodes (first electrodes (12) and second electrodes (13)) includes a black matrix (17) which is made of an electrically conductive material and is electrically connected to a counter electrode (19). This provides (i) a touch panel substrate which is high in position detection performance and capable of carrying out a stable position detecting operation and which is used in an in-cell touch panel, and (ii) a display panel including such a touch panel substrate.
    Type: Application
    Filed: July 4, 2012
    Publication date: June 12, 2014
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Shinji Yamagishi, Yasuhiro Sugita, Yuhji Yashiro, Kazutoshi Kida, Hiroyuki Ogawa
  • Publication number: 20140152921
    Abstract: A sensor electrode (31) provided between an insulating substrate (21) and a counter electrode (27) includes a plurality of electrodes (32) arranged along a first direction and a plurality of electrodes (33) arranged along a second direction perpendicular to the first direction and insulated from the electrodes (32), and these electrodes (32, 33) are formed in the same plane.
    Type: Application
    Filed: July 24, 2012
    Publication date: June 5, 2014
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Yuhji Yashiro, Yasuhiro Sugita, Kazutoshi Kida, Shinji Yamagishi, Hiroyuki Ogawa
  • Publication number: 20140145996
    Abstract: A semiconductor layer for an active element included in each of a plurality of pixels in a display section is constituted by an oxide layer containing at least one element selected from the group consisting of In, Ga, and Zn. There is provided, for the display section, a liquid crystal panel's timing controller (13) configured to carry out control so that (i) a length of a first period during which image data is written is not more than twice that of the second period and/or (ii) one (1) frame period is longer than 16.7 msec.
    Type: Application
    Filed: July 27, 2012
    Publication date: May 29, 2014
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro Sugita, Kazutoshi Kida, Shinji Yamagishi, Yuhji Yashiro, Hiroyuki Ogawa, Shigeyasu Mori, Seiji Kaneko, Yasuyuki Ogawa, Kaoru Yamamoto, Kohhei Tanaka, Seiichi Uchida, Yutaka Takamaru
  • Publication number: 20140049705
    Abstract: Detection accuracy is improved without reducing a driving frequency and an S/N ratio. Driving electrodes (DL(j?2) and DL(j?1)) of a driving electrode group (GDL(i)) overlap a driving electrode group GDL(i?1), and driving electrodes (DL(j+1) and DL(j+2)) thereof overlap a driving electrode group GDL(i+1). A first changeover terminal of a changeover switch (SW(i)) is connected to a wire to which a burst clock signal (BCK) is given, and a ground potential is given to a second changeover terminal thereof. A common terminal of the changeover switch (SW(i)) is connected to a driving electrode (DL(j)) located at a center of the driving electrode group (GDL(i)), is connected to the driving electrodes (DL(j?1) to DL(j?3)), respectively, via one to three resistive elements (Rd), and is connected to the driving electrodes (DL(j+1) to DL(j+3)), respectively, via one to three resistive elements (Rd).
    Type: Application
    Filed: April 20, 2012
    Publication date: February 20, 2014
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro Sugita, Kazutoshi Kida, Yuhji Yashiro, Shinji Yamagishi
  • Publication number: 20130335374
    Abstract: A touch panel includes a plurality of drive lines and a plurality of sense lines, a sampling switch connected to the sense lines, and an integral circuit connected to the sense lines through the sampling switch. The sampling switch is arranged to keep an on- or off-state for a certain time (P) from a moment at which a voltage of a source bus line is changed.
    Type: Application
    Filed: February 23, 2012
    Publication date: December 19, 2013
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro Sugita, Shinji Yamagishi, Kazutoshi Kida
  • Publication number: 20130222317
    Abstract: An X electrode (18) is provided on a surface of a phase plate (15) which surface faces a liquid crystal panel (10). A Y electrode (19) is provided on a surface of a polarizing plate (17) which surface faces the liquid crystal panel (10). This makes it possible to provide a display device that has a touch function and can reduce a thickness and improve display quality.
    Type: Application
    Filed: October 3, 2011
    Publication date: August 29, 2013
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Manabu Abiru, Kazutoshi Kida, Shinji Yamagishi
  • Publication number: 20130176519
    Abstract: A liquid crystal display panel (1) includes: touch switches (50) each constituted by a switch electrode (52) of an active substrate (12) and a set of switch PS electrodes (51) of a counter substrate (11) so as to make conduct electricity when the active substrate (12) or the counter substrate (11) is pressed; and reflection coatings (38 and 39) which reflect infrared light emitted from a Fourier transform infrared spectrophotometer, the reflection coatings (38 and 39) being provided either in the active substrate (12) or the counter substrate (11) with the switch electrode (52) or the set of switch PS electrodes (51) stacked on a corresponding one of the reflection coatings (38 and 39). This provides a technique for efficiently determining the presence or absence of an alignment film on any touch switch provided inside of a liquid crystal display panel having the function of an in-cell touch sensor.
    Type: Application
    Filed: September 22, 2011
    Publication date: July 11, 2013
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Takafumi Hayama, Shinji Yamagishi