Patents by Inventor Ryoichi Yokoyama

Ryoichi Yokoyama 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: 11600240
    Abstract: A display apparatus includes: a glass substrate; a light emitting device included in a pixel structure disposed on one principal surface of the glass substrate; an input electrode, disposed on the one principal surface, for inputting a driving signal to the light emitting device; and a back connection member disposed on the other principal surface of the glass substrate so as to be electrically connected to the input electrode. A back insulating layer is disposed on the other principal surface, and a top face of the back insulating layer is located above a top face of the back connection member.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: March 7, 2023
    Assignee: KYOCERA Corporation
    Inventors: Ryoichi Yokoyama, Takashi Shimizu
  • Patent number: 11600218
    Abstract: A light emitter board includes a substrate having a mount surface on which first and second light emitters are mountable, and at least one pixel unit on the mount surface, including a drive circuit and first and second drive lines. The first drive line as a primary line and the second drive line as a redundant line are connected in parallel to the drive circuit. The pixel unit includes, on the mount surface, first positive and negative electrode pads connectable to the first light emitter, and second positive and negative electrode pads to the second light emitter. The first positive or negative electrode pad is connected to the first drive line, and the second positive or negative electrode pad to the second drive line.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: March 7, 2023
    Assignee: KYOCERA Corporation
    Inventors: Ryoichi Yokoyama, Takanobu Suzuki
  • Publication number: 20220293834
    Abstract: A double-sided display device includes a substrate including a transparent insulating material and having a first main surface and a second main surface opposite to the first main surface, at least one first light emitter and at least one second light emitter mounted on the first main surface of the substrate, a first reflector that reflects light emitted from the at least one first light emitter toward a side of the double-sided display device adjacent to the first main surface, and a second reflector that reflects light emitted from the at least one second light emitter toward a side of the double-sided display device adjacent to the second main surface.
    Type: Application
    Filed: August 21, 2020
    Publication date: September 15, 2022
    Inventor: Ryoichi YOKOYAMA
  • Publication number: 20220139300
    Abstract: A light emitter board includes a substrate having a mount surface on which first and second light emitters are mountable, and at least one pixel unit on the mount surface, including a drive circuit and first and second drive lines. The first drive line as a primary line and the second drive line as a redundant line are connected in parallel to the drive circuit. The pixel unit includes, on the mount surface, first positive and negative electrode pads connectable to the first light emitter, and second positive and negative electrode pads to the second light emitter. The first positive or negative electrode pad is connected to the first drive line, and the second positive or negative electrode pad to the second drive line.
    Type: Application
    Filed: January 6, 2020
    Publication date: May 5, 2022
    Inventors: Ryoichi YOKOYAMA, Takanobu SUZUKI
  • Publication number: 20200135126
    Abstract: A display apparatus includes: a glass substrate; a light emitting device included in a pixel structure disposed on one principal surface of the glass substrate; an input electrode, disposed on the one principal surface, for inputting a driving signal to the light emitting device; and a back connection member disposed on the other principal surface of the glass substrate so as to be electrically connected to the input electrode. A back insulating layer is disposed on the other principal surface, and a top face of the back insulating layer is located above a top face of the back connection member.
    Type: Application
    Filed: February 26, 2019
    Publication date: April 30, 2020
    Applicant: KYOCERA Corporation
    Inventors: Ryoichi YOKOYAMA, Takashi SHIMIZU
  • Patent number: 10607533
    Abstract: A display apparatus includes: a substrate having a first principal surface and a second principal surface opposite to the first principal surface; light-emitting portions disposed on a first principal surface side; a time-division driving circuit which is disposed on the first principal surface side, and outputs a light-emission control signal to the light-emitting portions via respective light-emission control signal lines in a time-division manner; a driving signal line which is disposed on a second principal surface side, and feeds the light-emission control signal to the light-emitting portions via the time-division driving circuit; and a connection conductor which extends from the first principal surface to the second principal surface, and electrically connects the time-division driving circuit and the driving signal line.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: March 31, 2020
    Assignee: KYOCERA CORPORATION
    Inventors: Ryoichi Yokoyama, Sumio Kato
  • Publication number: 20200043401
    Abstract: A display apparatus includes: a substrate having a first principal surface and a second principal surface opposite to the first principal surface; light-emitting portions disposed on a first principal surface side; a time-division driving circuit which is disposed on the first principal surface side, and outputs a light-emission control signal to the light-emitting portions via respective light-emission control signal lines in a time-division manner; a driving signal line which is disposed on a second principal surface side, and feeds the light-emission control signal to the light-emitting portions via the time-division driving circuit; and a connection conductor which extends from the first principal surface to the second principal surface, and electrically connects the time-division driving circuit and the driving signal line.
    Type: Application
    Filed: August 3, 2018
    Publication date: February 6, 2020
    Applicant: KYOCERA Display Corporation
    Inventors: Ryoichi YOKOYAMA, Sumio KATO
  • Patent number: 9639157
    Abstract: A display device is disclosed. The display device includes first and second substrates, a display part, a vibrating body and a vibration transmission member. The first substrate includes a first inner primary surface and an outer primary surface opposing each other. The first substrate further includes a display region and an input region on the outer primary surface, and an input section. The second substrate includes a second inner primary surface that includes a facing region and a non-facing region. The facing region faces the first inner primary surface while the non-facing region does not face the first inner primary surface. The display part is located between the first substrate and the second substrate. The vibrating body is located in the non-facing region on the second substrate. The vibration transmission member is located between the first inner primary surface and the second inner primary surface.
    Type: Grant
    Filed: January 26, 2012
    Date of Patent: May 2, 2017
    Assignee: Kyocera Corporation
    Inventor: Ryoichi Yokoyama
  • Patent number: 9465267
    Abstract: A display device includes: a substrate; electrode terminals for external connection; an insulating film on the respective electrode terminals, the insulating film provided with openings which expose part of the respective electrode terminals, the insulating film covering the other portion of the respective electrode terminals; surface conductive films which are disposed so as to correspond to the respective openings, and are connected to part of the respective electrode terminals; and a circuit board disposed so as to oppose the substrate, the circuit board including circuit electrode terminals which are connected to the surface conductive films through a conductive bonding member so as to oppose the respective openings, the surface conductive films extending from an inside of an opening corresponding thereto to a surface of an insulating film corresponding thereto, peripheral edges of the respective surface conductive films being positioned beyond a peripheral edge of a circuit electrode terminal correspondi
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: October 11, 2016
    Assignee: Kyocera Corporation
    Inventors: Minoru Shibano, Ryoichi Yokoyama
  • Patent number: 9454228
    Abstract: A display device is disclosed. The display device includes a first substrate, a second substrate, a display part, a vibrating body and a vibration transmission member. The first substrate includes a display region and an input region on an outer primary surface thereof, a non-display region outside of the display region on the first substrate, and an input section for detecting a position of an input on the input region. The second substrate includes a second internal primary surface facing a first primary surface of the first substrate. The display part is located between the first substrate and the second substrate. The vibrating body is located on a peripheral region of the second substrate. The vibration transmission member transmits vibration generated by the vibrating body from the second substrate to the first substrate.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: September 27, 2016
    Assignee: KYOCERA CORPORATION
    Inventor: Ryoichi Yokoyama
  • Patent number: 9201506
    Abstract: A display device is disclosed. The display device includes first and second substrates, a display part, a vibrating body and a vibration transmission member. The first substrate includes a first inner primary surface and an outer primary surface opposing each other. The first substrate further includes a display region and an input region on the outer primary surface, and an input section. The second substrate includes a second inner primary surface that includes a facing region and a non-facing region. The facing region faces the first inner primary surface while the non-facing region does not face the first inner primary surface. The display part is located between the first substrate and the second substrate. The vibrating body is located in the non-facing region on the second substrate. The vibration transmission member is located between the first inner primary surface and the second inner primary surface.
    Type: Grant
    Filed: January 26, 2012
    Date of Patent: December 1, 2015
    Assignee: Kyocera Corporation
    Inventor: Ryoichi Yokoyama
  • Patent number: 9152000
    Abstract: A liquid crystal display includes a plurality of pixels, each of which includes a thin film transistor (TFT), a gate line supplying a driving signal to a gate of the TFT of each pixel, a liquid crystal capacitor included in each pixel and connected to one terminal of the TFT in a corresponding pixel, a sub-capacitor line aligned in parallel to the gate line, a sub-capacitor included in each pixel and connected between one terminal of the TFT in a corresponding pixel and the sub-capacitor line, and a driving circuit having at least four voltages, selecting one of the voltages and supplying the selected voltage to the sub-capacitor line to drive the liquid crystal display in a state in which the liquid crystal capacitor is capacitively coupled to the sub-capacitor.
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: October 6, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ryoichi Yokoyama, Michiru Senda
  • Publication number: 20150062458
    Abstract: [Object] To provide an input device, a display device and an electronic device capable of reducing a possibility of degradation of detection sensitivity while realizing a small size. [Solution] An input device (X1) includes a base (2), a first detection electrode (3a) provided on the base (2), a detection wire (8) provided on the base (2) and electrically connected to the first detection electrode (3a), an insulating layer (10) provided on the base (2) and covering the detection wire (8), a vibration body (13) disposed on the insulating layer (10), and a first conductive layer (11) provided between the vibration body (13) and the detection wire (8).
    Type: Application
    Filed: December 14, 2012
    Publication date: March 5, 2015
    Inventors: Shinya Nakamura, Ryoichi Yokoyama
  • Publication number: 20150049449
    Abstract: A display device includes: a substrate; electrode terminals for external connection; an insulating film on the respective electrode terminals, the insulating film provided with openings which expose part of the respective electrode terminals, the insulating film covering the other portion of the respective electrode terminals; surface conductive films which are disposed so as to correspond to the respective openings, and are connected to part of the respective electrode terminals; and a circuit board disposed so as to oppose the substrate, the circuit board including circuit electrode terminals which are connected to the surface conductive films through a conductive bonding member so as to oppose the respective openings, the surface conductive films extending from an inside of an opening corresponding thereto to a surface of an insulating film corresponding thereto, peripheral edges of the respective surface conductive films being positioned beyond a peripheral edge of a circuit electrode terminal correspondi
    Type: Application
    Filed: September 27, 2012
    Publication date: February 19, 2015
    Applicant: KYOCERA CORPORATION
    Inventors: Minoru Shibano, Ryoichi Yokoyama
  • Patent number: 8917168
    Abstract: A panel device 10, which is capable of increasing vibration amplitude of a panel without increasing power consumption of a piezoelectric element, includes a panel 11 rectangular in shape and piezoelectric elements 12, 13 also rectangular in shape disposed on the panel 11 for vibrating the panel 11, such that each of the piezoelectric elements 12, 13 is disposed having one side at a slant relative to one side of the panel 11.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: December 23, 2014
    Assignee: KYOCERA Corporation
    Inventors: Kenji Kono, Jun Takeda, Ryoichi Yokoyama, Yoshihiro Inokuma, Shinya Nakamura, Kazunari Ikeda
  • Patent number: 8823622
    Abstract: A liquid crystal display includes a plurality of gate lines having odd-numbered gate lines and even-numbered gate lines, a plurality of source lines, a first gate driver which drives the odd-numbered gate lines, a second gate driver which drives the even-numbered gate lines and a driving controller which outputs an overdriven image signal in at least one driving period of a plurality of driving periods and outputs a normal image signal in remaining driving periods of the plurality of driving periods. The overdriven image signal is obtained by adding an overdrive voltage to the normal image signal, and the overdrive voltage is set according to a level of the normal image signal.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: September 2, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Michiru Senda, Ryoichi Yokoyama
  • Publication number: 20130307806
    Abstract: A display device is disclosed. The display device includes first and second substrates, a display part, a vibrating body and a vibration transmission member. The first substrate includes a first inner primary surface and an outer primary surface opposing each other. The first substrate further includes a display region and an input region on the outer primary surface, and an input section. The second substrate includes a second inner primary surface that includes a facing region and a non-facing region. The facing region faces the first inner primary surface while the non-facing region does not face the first inner primary surface. The display part is located between the first substrate and the second substrate. The vibrating body is located in the non-facing region on the second substrate. The vibration transmission member is located between the first inner primary surface and the second inner primary surface.
    Type: Application
    Filed: January 26, 2012
    Publication date: November 21, 2013
    Applicant: KYOCERA CORPORATION
    Inventor: Ryoichi Yokoyama
  • Publication number: 20130300963
    Abstract: A liquid crystal display includes a plurality of pixels, each of which includes a thin film transistor (TFT), a gate line supplying a driving signal to a gate of the TFT of each pixel, a liquid crystal capacitor included in each pixel and connected to one terminal of the TFT in a corresponding pixel, a sub-capacitor line aligned in parallel to the gate line, a sub-capacitor included in each pixel and connected between one terminal of the TFT in a corresponding pixel and the sub-capacitor line, and a driving circuit having at least four voltages, selecting one of the voltages and supplying the selected voltage to the sub-capacitor line to drive the liquid crystal display in a state in which the liquid crystal capacitor is capacitively coupled to the sub-capacitor.
    Type: Application
    Filed: July 18, 2013
    Publication date: November 14, 2013
    Applicant: Samsung Display Co., Ltd.
    Inventors: RYOICHI YOKOYAMA, MICHIRU SENDA
  • Publication number: 20130278561
    Abstract: A display device is disclosed. The display device includes a first substrate, a second substrate, a display part, a vibrating body and a vibration transmission member. The first substrate includes a display region and an input region on an outer primary surface thereof, a non-display region outside of the display region on the first substrate, and an input section for detecting a position of an input on the input region. The second substrate includes a second internal primary surface facing a first primary surface of the first substrate. The display part is located between the first substrate and the second substrate. The vibrating body is located on a peripheral region of the second substrate. The vibration transmission member transmits vibration generated by the vibrating body from the second substrate to the first substrate.
    Type: Application
    Filed: December 27, 2011
    Publication date: October 24, 2013
    Applicant: Kyocera Corporation
    Inventor: Ryoichi Yokoyama
  • Publication number: 20130257601
    Abstract: A panel device 10, which is capable of increasing vibration amplitude of a panel without increasing power consumption of a piezoelectric element, includes a panel 11 rectangular in shape and piezoelectric elements 12, 13 also rectangular in shape disposed on the panel 11 for vibrating the panel 11, such that each of the piezoelectric elements 12, 13 is disposed having one side at a slant relative to one side of the panel 11.
    Type: Application
    Filed: March 26, 2013
    Publication date: October 3, 2013
    Applicant: KYOCERA CORPORATION
    Inventors: Kenji KONO, Jun TAKEDA, Ryoichi YOKOYAMA, Yoshihiro INOKUMA, Shinya NAKAMURA, Kazunari IKEDA