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).
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Patent number: 11600240Abstract: 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: GrantFiled: February 26, 2019Date of Patent: March 7, 2023Assignee: KYOCERA CorporationInventors: Ryoichi Yokoyama, Takashi Shimizu
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Patent number: 11600218Abstract: 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: GrantFiled: January 6, 2020Date of Patent: March 7, 2023Assignee: KYOCERA CorporationInventors: Ryoichi Yokoyama, Takanobu Suzuki
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Publication number: 20220293834Abstract: 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: ApplicationFiled: August 21, 2020Publication date: September 15, 2022Inventor: Ryoichi YOKOYAMA
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Publication number: 20220139300Abstract: 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: ApplicationFiled: January 6, 2020Publication date: May 5, 2022Inventors: Ryoichi YOKOYAMA, Takanobu SUZUKI
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Publication number: 20200135126Abstract: 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: ApplicationFiled: February 26, 2019Publication date: April 30, 2020Applicant: KYOCERA CorporationInventors: Ryoichi YOKOYAMA, Takashi SHIMIZU
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Patent number: 10607533Abstract: 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: GrantFiled: August 3, 2018Date of Patent: March 31, 2020Assignee: KYOCERA CORPORATIONInventors: Ryoichi Yokoyama, Sumio Kato
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Publication number: 20200043401Abstract: 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: ApplicationFiled: August 3, 2018Publication date: February 6, 2020Applicant: KYOCERA Display CorporationInventors: Ryoichi YOKOYAMA, Sumio KATO
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Patent number: 9639157Abstract: 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: GrantFiled: January 26, 2012Date of Patent: May 2, 2017Assignee: Kyocera CorporationInventor: Ryoichi Yokoyama
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Patent number: 9465267Abstract: 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 correspondiType: GrantFiled: September 27, 2012Date of Patent: October 11, 2016Assignee: Kyocera CorporationInventors: Minoru Shibano, Ryoichi Yokoyama
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Patent number: 9454228Abstract: 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: GrantFiled: December 27, 2011Date of Patent: September 27, 2016Assignee: KYOCERA CORPORATIONInventor: Ryoichi Yokoyama
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Patent number: 9201506Abstract: 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: GrantFiled: January 26, 2012Date of Patent: December 1, 2015Assignee: Kyocera CorporationInventor: Ryoichi Yokoyama
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Patent number: 9152000Abstract: 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: GrantFiled: July 18, 2013Date of Patent: October 6, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ryoichi Yokoyama, Michiru Senda
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Publication number: 20150062458Abstract: [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: ApplicationFiled: December 14, 2012Publication date: March 5, 2015Inventors: Shinya Nakamura, Ryoichi Yokoyama
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Publication number: 20150049449Abstract: 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 correspondiType: ApplicationFiled: September 27, 2012Publication date: February 19, 2015Applicant: KYOCERA CORPORATIONInventors: Minoru Shibano, Ryoichi Yokoyama
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Patent number: 8917168Abstract: 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: GrantFiled: March 26, 2013Date of Patent: December 23, 2014Assignee: KYOCERA CorporationInventors: Kenji Kono, Jun Takeda, Ryoichi Yokoyama, Yoshihiro Inokuma, Shinya Nakamura, Kazunari Ikeda
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Patent number: 8823622Abstract: 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: GrantFiled: October 31, 2007Date of Patent: September 2, 2014Assignee: Samsung Display Co., Ltd.Inventors: Michiru Senda, Ryoichi Yokoyama
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Publication number: 20130307806Abstract: 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: ApplicationFiled: January 26, 2012Publication date: November 21, 2013Applicant: KYOCERA CORPORATIONInventor: Ryoichi Yokoyama
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Publication number: 20130300963Abstract: 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: ApplicationFiled: July 18, 2013Publication date: November 14, 2013Applicant: Samsung Display Co., Ltd.Inventors: RYOICHI YOKOYAMA, MICHIRU SENDA
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Publication number: 20130278561Abstract: 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: ApplicationFiled: December 27, 2011Publication date: October 24, 2013Applicant: Kyocera CorporationInventor: Ryoichi Yokoyama
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Publication number: 20130257601Abstract: 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: ApplicationFiled: March 26, 2013Publication date: October 3, 2013Applicant: KYOCERA CORPORATIONInventors: Kenji KONO, Jun TAKEDA, Ryoichi YOKOYAMA, Yoshihiro INOKUMA, Shinya NAKAMURA, Kazunari IKEDA