Patents by Inventor Koji Noguchi

Koji Noguchi 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).

  • Display unit with touch detection function, and electronic device
    Patent number: 10386984
    Abstract: A display unit with a touch detection function including: a plurality of touch detection electrodes arranged side by side to extend in a direction, each of the touch detection electrodes being formed in a predetermined electrode pattern including electrode portion and opening portion and outputting a detection signal, based on a variation in capacitance due to an external proximity object; and a plurality of display elements formed in a layer different from a layer of the touch detection electrodes, a predetermined number of the display elements being arranged within a width dimension of a region corresponding to each of the touch detection electrodes. The predetermined electrode pattern corresponds to a layout pattern of the display elements.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: August 20, 2019
    Assignee: JAPAN DISPLAY INC.
    Inventors: Koji Ishizaki, Koji Noguchi, Takayuki Nakanishi, Yasuyuki Matsui, Masanobu Ikeda
  • Display device with touch detection function, and electronic unit
    Patent number: 10386981
    Abstract: 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: Grant
    Filed: October 30, 2018
    Date of Patent: August 20, 2019
    Assignee: JAPAN DISPLAY INC.
    Inventors: Koji Ishizaki, Koji Noguchi, Osamu Ishige
  • DISPLAY APPARATUS WITH TOUCH DETECTION FUNCTIONS AND WITH DRIVING ELECTRODES SHARED BY TWO MORE PIXELS IN THE SAME COLUMN, DRIVING METHOD FOR SAME, AND MOBILE DEVICE WITH SAME
    Publication number: 20190250743
    Abstract: A display apparatus with a substrate having a long side and a short side, a plurality of driving electrodes arranged on the substrate parallel to the long side of the substrate, a plurality of touch detection electrodes arranged on the substrate parallel to the short side of the substrate, a control unit electrically coupled to each of the plurality of driving electrodes and which sequentially drives the plurality of driving electrodes, and a detection unit electrically coupled to each of the touch detection electrodes.
    Type: Application
    Filed: April 29, 2019
    Publication date: August 15, 2019
    Applicant: Japan Display Inc.
    Inventors: Koji Noguchi, Yoshitoshi Kida
  • Display device comprising backlight device, detection electrodes, and elastic member
    Patent number: 10379392
    Abstract: According to one embodiment, a display device includes a display panel including a first substrate including a display area and a first detection electrode, a backlight device opposed to the first substrate with a gap therebetween, a second detection electrode opposing the first detection electrode via the backlight device, and an elastic member between the backlight device and the second detection electrode, including a first region opposing a central portion of the back light device and a second region located to surround the first region. The first region and the second region are different in hardness in a thickness direction of the elastic member.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: August 13, 2019
    Assignee: Japan Display Inc.
    Inventors: Koji Noguchi, Takafumi Suzuki, Yasuyuki Teranishi, Yosuke Nakamori
  • Force detection apparatus
    Patent number: 10372267
    Abstract: A force detection apparatus includes: a force detector that includes an electrode and a conductor facing the electrode across a first and a second layers and outputs a force signal value before correction; and a force detection controller outputting a force signal value after correction having a linear relationship with a force. In a first range of force in which the first layer is deformed and the second layer is not deformed, the force detection controller calculates the force signal value after correction, based on a product of the force and a first constant. In a second range of force in which the first and second layers are deformed, the force detection controller calculates the force signal value after correction, based on a sum of a product of a threshold and the first constant and a product of a difference between the force and the threshold and a second constant.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: August 6, 2019
    Assignee: Japan Display Inc.
    Inventors: Takafumi Suzuki, Shota Hosaka, Koji Noguchi, Yasuyuki Teranishi
  • Contact detecting device for multi-touch sensing
    Patent number: 10372262
    Abstract: A contact detecting device including: a contact responding section configured to produce an electric change in response to an object to be detected coming into contact with or proximity to a detecting surface; and a contact driving scanning section configured to scan application of driving voltage to the contact responding section in one direction within the detecting surface, and control output of the electric change in time series, wherein the contact driving scanning section performs a plurality of scans of different regions of the contact responding section in parallel with each other, and outputs a plurality of the electric changes in parallel with each other.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: August 6, 2019
    Assignee: Japan Display Inc.
    Inventors: Koji Noguchi, Takeya Takeuchi
  • DISPLAY DEVICE AND TOUCH DETECTION METHOD OF DISPLAY DEVICE
    Publication number: 20190220138
    Abstract: According to one embodiment, a display device includes a plurality of gate lines, a plurality of data lines intersecting with the gate lines, a plurality of pixel electrodes provided in areas defined by the gate lines and the data lines, and a sensor drive controller which includes a plurality of common electrodes facing the pixel electrodes and detects a touch by using the common electrodes. The sensor drive controller selects at least one of the common electrodes as a sensor electrode, detects a touch by using the sensor electrode, and inputs, to the other common electrodes, a guard signal for reducing generation of capacitance between the other common electrodes and the sensor electrode.
    Type: Application
    Filed: March 25, 2019
    Publication date: July 18, 2019
    Inventors: Hayato Kurasawa, Hiroshi Mizuhashi, Koji Noguchi, Takafumi Suzuki
  • Touch detection apparatus having subdivided drive electrodes and display apparatus having the same
    Patent number: 10353513
    Abstract: According to an aspect, a touch detection apparatus includes: a plurality of drive electrodes, wherein at least one of the drive electrodes includes a plurality of subdivided electrodes; a plurality of first touch detection electrodes; a second touch detection electrode; a first shift register circuit in which a plurality of first shift signal output circuits are sequentially coupled to one another; a second shift register circuit in which a plurality of second shift signal output circuits are sequentially coupled to one another; and a selection circuit that supplies a signal of the first shift register circuit to the drive electrode in a first mode, and supplies a signal of the second shift register circuit to the subdivided electrode in a second mode.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: July 16, 2019
    Assignee: Japan Display Inc.
    Inventors: Hiroshi Mizuhashi, Koji Noguchi
  • Nozzle plate for fuel injection device
    Patent number: 10352285
    Abstract: In a nozzle plate, a portion of fuel flowing out from a fuel injection port of the fuel injection device is atomized by impinging on an interference body. At the same time, the flow of the portion of fuel is sharply bent and impinges on fuel which straightly advances and passes through a nozzle hole and an orifice thus turning the flow of fuel into a turbulent flow. Further, both end portions of the orifice form non-rounded sharpened corner portions. Hence, a liquid film of fuel injected from the corner portions and areas in the vicinity of the corner portions of the orifice is formed into a thin sharpened and pointed state whereby an end portion of the liquid film of fuel injected from the orifice is easily atomized due to a friction between the end portion of the liquid film of fuel and air.
    Type: Grant
    Filed: May 2, 2014
    Date of Patent: July 16, 2019
    Assignee: ENPLAS CORPORATION
    Inventor: Koji Noguchi
  • Nozzle plate for fuel injection device
    Patent number: 10344728
    Abstract: In a nozzle plate of the present invention, a part of fuel flowing out from a fuel injection port of a fuel injection device is atomized by colliding with an interference body, is rapidly bent in a flowing direction, and collides with the fuel that is flowing straight through a nozzle hole and an orifice to make the fuel that flows straight through the nozzle hole and the orifice turbulent. The orifice includes a corner portion which is defined by an outer edge portion of the interference body and has a pointed shape without roundness at a part of an opening edge. The corner portion makes an end portion of a liquid film of the fuel passing through the orifice into a pointed shape for ease of atomization by friction with air.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: July 9, 2019
    Assignee: ENPLAS CORPORATION
    Inventor: Koji Noguchi
  • DISPLAY DEVICE WITH CAPACITIVE TOUCH SENSOR WITH SLIT FORMED IN A SURFACE OF A DETECTING ELECTRODE OPPOSED TO A SCANNING ELECTRODE TO REALIZE DETECTION WITH HIGH ACCURACY
    Publication number: 20190204984
    Abstract: An information input device including a touch panel configured to be provided with a touch sensor that detects a position at which a sensing object is brought close to a sensing surface. In this information input device, the touch sensor has a scanning electrode and a detecting electrode that is opposed to the scanning electrode with the intermediary of a dielectric substance, and is a capacitive sensor whose electrostatic capacitance changes if the sensing object is brought close to the detecting electrode. Furthermore, a slit is formed in a surface of the detecting electrode opposed to the scanning electrode.
    Type: Application
    Filed: March 7, 2019
    Publication date: July 4, 2019
    Applicant: Japan Display Inc.
    Inventors: Takayuki Nakanishi, Koji Noguchi, Koji Ishizaki, Yasuyuki Teranishi, Takeya Takeuchi
  • Display apparatus with touch detection functions and with driving electrodes shared by two more pixels in the same column, driving method for same, and mobile device with same
    Patent number: 10324579
    Abstract: A display apparatus with a substrate having a long side and a short side, a plurality of driving electrodes arranged on the substrate parallel to the long side of the substrate, a plurality of touch detection electrodes arranged on the substrate parallel to the short side of the substrate, a control unit electrically coupled to each of the plurality of driving electrodes and which sequentially drives the plurality of driving electrodes, and a detection unit electrically coupled to each of the touch detection electrodes.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: June 18, 2019
    Assignee: JAPAN DISPLAY INC.
    Inventors: Koji Noguchi, Yoshitoshi Kida
  • DISPLAY APPARATUS, DRIVE CIRCUIT, DRIVING METHOD AND ELECTRONIC APPARATUS
    Publication number: 20190171316
    Abstract: A display apparatus includes: a display device; a touch detection device; and a driver unit driving the display device so as to sequentially display M horizontal lines in each of plural unit drive periods forming one frame period and driving the touch detection device in N touch detection periods provided in each unit drive period, in which N is lower than M.
    Type: Application
    Filed: March 22, 2018
    Publication date: June 6, 2019
    Inventors: Koji Noguchi, Yoshitoshi Kida, Kohei Azumi
  • Display device with touch detection function
    Patent number: 10310664
    Abstract: A display device including a display section having a plurality of pixel electrodes; and a plurality of drive electrodes extending in a first direction and arranged side-by-side in a second direction. Each of the drive electrodes has a width in the second direction corresponding to a size of the two or more pixel electrodes, and has one or more slits extending in the first direction.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: June 4, 2019
    Assignee: JAPAN DISPLAY INC.
    Inventors: Koji Noguchi, Yoshitoshi Kida, Kohei Azumi, Takayuki Nakanishi, Hiroshi Mizuhashi
  • Display device
    Patent number: 10303313
    Abstract: A display device includes a substrate, a plurality of pixel electrodes, a switching element, and a first electrode. The substrate has a first surface and a second surface opposite to the first surface. The pixel electrodes are provided to the first surface side and supplied with a pixel signal for displaying an image. The switching element is provided to the first surface side and coupled to the pixel electrodes. The first electrode is provided to a layer closer to the first surface than the switching element in a manner facing the switching element in a direction perpendicular to the first surface of the substrate and having lower light transmittance than that of the substrate.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: May 28, 2019
    Assignee: Japan Display Inc.
    Inventors: Hayato Kurasawa, Koji Noguchi
  • DISPLAY DEVICE
    Publication number: 20190155434
    Abstract: A performance of a display device having an input device is improved. A display device includes: an electro-optical layer; a first driving electrode and a second driving electrode which drives the electro-optical layer; a driver chip which outputs a video signal; a switch circuit which is arranged outside the driver chip, which selects a potential to be supplied to the second driving electrode, and which includes a first switch element and a second switch element; a shift register circuit connected to the switch circuit; and a detection circuit which detects that an object is close or in contact. Each of the first switch element and the second switch element is selectively turned ON or OFF by the shift register circuit. The detection circuit is electrically connected to the first switch element and the second switch element.
    Type: Application
    Filed: January 18, 2019
    Publication date: May 23, 2019
    Inventors: Tadayoshi Katsuta, Koji Noguchi, Daisuke Ito, Yasuyuki Teranishi
  • DISPLAY APPARATUS WITH TOUCH DETECTION FUNCTION
    Publication number: 20190146624
    Abstract: According to an aspect, a display apparatus with a touch detection function includes: a display device including a display region in which a plurality of pixels are arranged; a pixel signal line that transmits a pixel signal to the pixel; outer display region wiring including wiring that is electrically coupled to the pixel signal line and extends along a predetermined direction outside the display region; and a touch detection electrode arranged at a position overlapping the outer display region wiring in a non-contact state, a longitudinal direction of the touch detection electrode being along a direction intersecting with the predetermined direction.
    Type: Application
    Filed: January 11, 2019
    Publication date: May 16, 2019
    Inventors: Hiroshi Mizuhashi, Koji Noguchi
  • Display device and touch detection method of display device
    Patent number: 10282017
    Abstract: According to one embodiment, a display device includes a plurality of gate lines, a plurality of data lines intersecting with the gate lines, a plurality of pixel electrodes provided in areas defined by the gate lines and the data lines, and a sensor drive controller which includes a plurality of common electrodes facing the pixel electrodes and detects a touch by using the common electrodes. The sensor drive controller selects at least one of the common electrodes as a sensor electrode, detects a touch by using the sensor electrode, and inputs, to the other common electrodes, a guard signal for reducing generation of capacitance between the other common electrodes and the sensor electrode.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: May 7, 2019
    Assignee: Japan Display Inc.
    Inventors: Hayato Kurasawa, Hiroshi Mizuhashi, Koji Noguchi, Takafumi Suzuki
  • Display device with capacitive touch sensor with slit formed in a surface of a detecting electrode opposed to a scanning electrode to realize detection with high accuracy
    Patent number: 10275085
    Abstract: An information input device including a touch panel configured to be provided with a touch sensor that detects a position at which a sensing object is brought close to a sensing surface. In this information input device, the touch sensor has a scanning electrode and a detecting electrode that is opposed to the scanning electrode with the intermediary of a dielectric substance, and is a capacitive sensor whose electrostatic capacitance changes if the sensing object is brought close to the detecting electrode. Furthermore, a slit is formed in a surface of the detecting electrode opposed to the scanning electrode.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: April 30, 2019
    Assignee: JAPAN DISPLAY INC.
    Inventors: Takayuki Nakanishi, Koji Noguchi, Koji Ishizaki, Yasuyuki Teranishi, Takeya Takeuchi
  • SENSOR DEVICE AND SENSOR-EQUIPPED DISPLAY DEVICE
    Publication number: 20190114014
    Abstract: According to one embodiment, a sensor-equipped display device includes a first substrate includes a first electrode located in a display area in which an image is displayed, a second substrate includes a second electrode which is located in the display area, and outputs a sensor signal, and a flexible substrate includes a first connection portion connected to the first substrate and a second connection portion connected to the second substrate, the flexible substrate includes a common base layer extending between the first connection portion and the second connection portion.
    Type: Application
    Filed: November 30, 2018
    Publication date: April 18, 2019
    Inventors: Koji Noguchi, Yasushi Nakano, Masaki Murase