Patents by Inventor Yoshiro Aoki

Yoshiro Aoki 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).

  • Publication number: 20160240157
    Abstract: According to one embodiment, an active matrix display device includes a non-rectangular display portion in which a part of an outer edge is curved or bent, display pixels arrayed in a matrix in the display portion, gate lines connected for each row of the display pixels, signal lines connected for each column of the display pixels, a gate line driving circuit, a signal line driving circuit, and bus lines extending along a part of an edge of the display portion outside the display portion. A part of the signal lines extends from an edge opposite to the bus lines of the display portion to the bus lines through the display portion, is connected to the bus lines, and further, extends from the bus lines to the edge opposite to the bus lines through the display portion.
    Type: Application
    Filed: February 9, 2016
    Publication date: August 18, 2016
    Applicant: Japan Display Inc.
    Inventors: Yoshiro AOKI, Hiroyuki KIMURA, Shinichiro OKA
  • Patent number: 9411478
    Abstract: According to one embodiment, a display device includes a display panel having a counter substrate, an array substrate and a liquid crystal layer held therebetween, a counter electrode provided on the counter substrate, a pixel electrode arranged on the array substrate in a matrix, a sensor circuit arranged between rows of the plurality of pixel electrodes and configured to read out intensity of capacitive coupling between the sensor circuit and a dielectric, and a counter electrode drive circuit configured to pulsatively drive a common voltage added to the counter electrode during a period of driving the sensor circuit, wherein the sensor circuit comprises a detection electrode configured to form capacitance between the sensor circuit and the dielectric and to form capacitance between the sensor circuit and the counter electrode, and wherein the counter electrode comprises an aperture including at least a portion opposed to the detection electrode.
    Type: Grant
    Filed: April 21, 2014
    Date of Patent: August 9, 2016
    Assignee: Japan Display Inc.
    Inventors: Miyuki Ishikawa, Masahiro Tada, Takashi Nakamura, Yutaka Umeda, Hirotaka Hayashi, Yoshiro Aoki, Takanori Tsunashima
  • Patent number: 9383880
    Abstract: According to one embodiment, a lateral-electric-field liquid crystal display device includes a light-emitting display layer including OLEDs and a driving circuit controlling light emission of the OLEDs, a moisture impermeable film provided to be laminated on the light-emitting display layer to prevent infiltration of moisture into the light-emitting display layer, an optical substrate provided separately from the moisture impermeable film and subjecting light from the light-emitting display region to optical processing, a first touch electrode group serving as one electrode group of touch electrodes and provided on a back surface of the optical substrate, and an extraction electrode group formed to be laminated on the moisture impermeable film, the extraction electrode group and the optical substrate have an overlapping part in plan view, and electrodes of the first touch electrode group being electrically connected to electrodes of the extraction electrode group in the overlapping part.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: July 5, 2016
    Assignee: Japan Display Inc.
    Inventors: Yoshiro Aoki, Takashi Nakamura, Masahiro Tada, Hirotaka Hayashi, Makoto Shibusawa, Yutaka Umeda, Miyuki Ishikawa
  • Publication number: 20160132159
    Abstract: According to one embodiment, a lateral-electric-field liquid crystal display device includes a light-emitting display layer including OLEDs and a driving circuit controlling light emission of the OLEDs, a moisture impermeable film provided to be laminated on the light-emitting display layer to prevent infiltration of moisture into the light-emitting display layer, an optical substrate provided separately from the moisture impermeable film and subjecting light from the light-emitting display region to optical processing, a first touch electrode group serving as one electrode group of touch electrodes and provided on a back surface of the optical substrate, and an extraction electrode group formed to be laminated on the moisture impermeable film, the extraction electrode group and the optical substrate have an overlapping part in plan view, and electrodes of the first touch electrode group being electrically connected to electrodes of the extraction electrode group in the overlapping part.
    Type: Application
    Filed: January 14, 2016
    Publication date: May 12, 2016
    Applicant: JAPAN DISPLAY INC.
    Inventors: Yoshiro AOKI, Takashi NAKAMURA, Masahiro TADA, Hirotaka HAYASHI, Makoto SHIBUSAWA, Yutaka UMEDA, Miyuki ISHIKAWA
  • Patent number: 9335856
    Abstract: According to one embodiment, a display device includes a display pixel allocated at a matrix state in a display area, an image-reading device which detects strength of capacitive coupling by a dielectric material coming close to or making contact with the display area, and a control portion which controls each transistor of the image-reading device. The image-reading device includes a detection electrode which forms capacitance between the detection electrode and the dielectric material, a pre-charge gate line, a coupling pulse line, a readout gate line, a pre-charge line and a readout line. These lines supply a signal which drives the image-reading device. The image-reading device further includes a pre-charge transistor, an amplification transistor, a readout transistor, a compensation transistor, and a power-source switching transistor.
    Type: Grant
    Filed: January 10, 2014
    Date of Patent: May 10, 2016
    Assignee: Japan Display Inc.
    Inventors: Keiichi Saito, Hideyuki Takahashi, Takashi Nakamura, Satoru Tomita, Masahiro Tada, Hirotaka Hayashi, Takashi Okada, Yoshiro Aoki, Takanori Tsunashima
  • Patent number: 9285911
    Abstract: According to one embodiment, a display device includes a display pixel allocated at a matrix state in a display area, an image-reading device which detects strength of capacitive coupling by a dielectric material coming close to or making contact with the display area, and a control portion which controls each transistor of the image-reading device. The image-reading device includes a detection electrode which forms capacitance between the detection electrode and the dielectric material, a pre-charge gate line, a coupling pulse line, a readout gate line, a pre-charge line and a readout line. These lines supply a signal which drives the image-reading device. The image-reading device further includes a pre-charge transistor, an amplification transistor, a readout transistor, a compensation transistor, and a power-source switching transistor.
    Type: Grant
    Filed: January 10, 2014
    Date of Patent: March 15, 2016
    Assignee: Japan Display Inc.
    Inventors: Keiichi Saito, Hideyuki Takahashi, Takashi Nakamura, Satoru Tomita, Masahiro Tada, Hirotaka Hayashi, Takashi Okada, Yoshiro Aoki, Takanori Tsunashima
  • Patent number: 9262030
    Abstract: According to one embodiment, a lateral-electric-field liquid crystal display device includes a light-emitting display layer including OLEDs and a driving circuit controlling light emission of the OLEDs, a moisture impermeable film provided to be laminated on the light-emitting display layer to prevent infiltration of moisture into the light-emitting display layer, an optical substrate provided separately from the moisture impermeable film and subjecting light from the light-emitting display region to optical processing, a first touch electrode group serving as one electrode group of touch electrodes and provided on a back surface of the optical substrate, and an extraction electrode group formed to be laminated on the moisture impermeable film, the extraction electrode group and the optical substrate have an overlapping part in plan view, and electrodes of the first touch electrode group being electrically connected to electrodes of the extraction electrode group in the overlapping part.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: February 16, 2016
    Assignee: Japan Display Inc.
    Inventors: Yoshiro Aoki, Takashi Nakamura, Masahiro Tada, Hirotaka Hayashi, Makoto Shibusawa, Yutaka Umeda, Miyuki Ishikawa
  • Publication number: 20150362812
    Abstract: According to one embodiment, provided is a liquid crystal display device with a reduced size and little restriction for incorporation into other devices. The liquid crystal display device includes an array substrate that includes multiple thin film transistors for pixel driving. The liquid crystal display device also includes a counter substrate disposed in a manner opposed to the array substrate. The liquid crystal display device further includes an FPC arranged to transmit an external signal for driving of the thin film transistors. One of the array substrate and the counter substrate has an outline larger than that of the other, disposed on the display side, and includes a connecting portion at a position not opposed to the other on the side opposite to the display side. At least one end portion of the FPC is connected to the connecting portion, while the other end portion extends inward.
    Type: Application
    Filed: May 27, 2015
    Publication date: December 17, 2015
    Applicant: Japan Display Inc.
    Inventors: Yoshiro AOKI, Yasushi KAWATA, Arichika ISHIDA
  • Publication number: 20150109267
    Abstract: According to one embodiment, a display device includes a unit pixel, a scanning line, and first to fourth signal lines. The first to fourth signal lines are extended in a columnar direction and are spaced apart from each other. The first and second signal lines are positioned in a region opposed to first and second pixel electrodes in a row direction. The third and fourth signal lines are positioned in a region opposed to third and fourth pixel electrodes in the row direction.
    Type: Application
    Filed: October 14, 2014
    Publication date: April 23, 2015
    Applicant: Japan Display Inc.
    Inventors: Yoshiro AOKI, Tsutomu HARADA, Takanori TSUNASHIMA, Hirotaka HAYASHI
  • Publication number: 20150097810
    Abstract: According to one embodiment, a lateral-electric-field liquid crystal display device includes a light-emitting display layer including OLEDs and a driving circuit controlling light emission of the OLEDs, a moisture impermeable film provided to be laminated on the light-emitting display layer to prevent infiltration of moisture into the light-emitting display layer, an optical substrate provided separately from the moisture impermeable film and subjecting light from the light-emitting display region to optical processing, a first touch electrode group serving as one electrode group of touch electrodes and provided on a back surface of the optical substrate, and an extraction electrode group formed to be laminated on the moisture impermeable film, the extraction electrode group and the optical substrate have an overlapping part in plan view, and electrodes of the first touch electrode group being electrically connected to electrodes of the extraction electrode group in the overlapping part.
    Type: Application
    Filed: October 3, 2014
    Publication date: April 9, 2015
    Applicant: Japan Display Inc.
    Inventors: Yoshiro AOKI, Takashi NAKAMURA, Masahiro TADA, Hirotaka HAYASHI, Makoto SHIBUSAWA, Yutaka UMEDA, Miyuki ISHIKAWA
  • Publication number: 20140333852
    Abstract: According to one embodiment, a display device includes a display panel having a counter substrate, an array substrate and a liquid crystal layer held therebetween, a counter electrode provided on the counter substrate, a pixel electrode arranged on the array substrate in a matrix, a sensor circuit arranged between rows of the plurality of pixel electrodes and configured to read out intensity of capacitive coupling between the sensor circuit and a dielectric, and a counter electrode drive circuit configured to pulsatively drive a common voltage added to the counter electrode during a period of driving the sensor circuit, wherein the sensor circuit comprises a detection electrode configured to form capacitance between the sensor circuit and the dielectric and to form capacitance between the sensor circuit and the counter electrode, and wherein the counter electrode comprises an aperture including at least a portion opposed to the detection electrode.
    Type: Application
    Filed: April 21, 2014
    Publication date: November 13, 2014
    Applicant: Japan Display Inc.
    Inventors: Miyuki ISHIKAWA, Masahiro Tada, Takashi Nakamura, Yutaka Umeda, Hirotaka Hayashi, Yoshiro Aoki, Takanori Tsunashima
  • Publication number: 20140210777
    Abstract: According to one embodiment, a display device includes a display pixel allocated at a matrix state in a display area, an image-reading device which detects strength of capacitive coupling by a dielectric material coming close to or making contact with the display area, and a control portion which controls each transistor of the image-reading device. The image-reading device includes a detection electrode which forms capacitance between the detection electrode and the dielectric material, a pre-charge gate line, a coupling pulse line, a readout gate line, a pre-charge line and a readout line. These lines supply a signal which drives the image-reading device. The image-reading device further includes a pre-charge transistor, an amplification transistor, a readout transistor, a compensation transistor, and a power-source switching transistor.
    Type: Application
    Filed: January 10, 2014
    Publication date: July 31, 2014
    Applicant: Japan Display Inc.
    Inventors: Keiichi SAITO, Hideyuki Takahashi, Takashi Nakamura, Satoru Tomita, Masahiro Tada, Hirotaka Hayashi, Takashi Okada, Yoshiro Aoki, Takanori Tsunashima
  • Patent number: 8330222
    Abstract: A small amount of oxygen is ion-implanted in a wafer surface layer, and then heat treatment is performed so as to form an incomplete implanted oxide film in the surface layer. Thereby, wafer cost is reduced; a pit is prevented from forming in a surface of an epitaxial film; and a slip is prevented from forming in an external peripheral portion of a wafer.
    Type: Grant
    Filed: February 1, 2012
    Date of Patent: December 11, 2012
    Assignee: Sumco Corporation
    Inventors: Yoshiro Aoki, Noashi Adachi, Akihiko Endo, Yoshihisa Nonogaki
  • Patent number: 8305327
    Abstract: Provided is a waveform processing circuit including: an amplitude expansion circuit configured to expand amplitude of an analog video signal; a voltage shifting circuit configured to shift a voltage of the analog video signal; and an impedance conversion circuit having an output impedance lower than that of the voltage shifting circuit.
    Type: Grant
    Filed: May 19, 2009
    Date of Patent: November 6, 2012
    Assignee: Toshiba Manufacturing Display Technology Co., Ltd.
    Inventors: Yoshiro Aoki, Takanori Tsunashima
  • Patent number: 8293070
    Abstract: In oxygen ion implantation equipment, a chamber has a bottom wall on one end face thereof and is open in the other end face thereof. A wafer holder rotatably holding a plurality of wafers on the same circumference of a circle is housed in the chamber. Inside a cap closing an opening of the chamber while making the chamber airtight with a sealing member, a coolant passage is formed near the sealing member. A plurality of lamp heaters are disposed so as to extend in the direction of the tangent to the circumference of the cap and align parallel to the direction of the radius of the cap, in such a way as to face one wafer held by the wafer holder.
    Type: Grant
    Filed: March 12, 2009
    Date of Patent: October 23, 2012
    Assignee: Sumco Corporation
    Inventor: Yoshiro Aoki
  • Publication number: 20120126361
    Abstract: A small amount of oxygen is ion-implanted in a wafer surface layer, and then heat treatment is performed so as to form an incomplete implanted oxide film in the surface layer. Thereby, wafer cost is reduced; a pit is prevented from forming in a surface of an epitaxial film; and a slip is prevented from forming in an external peripheral portion of a wafer.
    Type: Application
    Filed: February 1, 2012
    Publication date: May 24, 2012
    Applicant: SUMCO CORPORATION
    Inventors: Yoshiro AOKI, Noashi ADACHI, Akihiko ENDO, Yoshihisa NONOGAKI
  • Patent number: 8173553
    Abstract: A small amount of oxygen is ion-implanted in a wafer surface layer, and then heat treatment is performed so as to form an incomplete implanted oxide film in the surface layer. Thereby, wafer cost is reduced; a pit is prevented from forming in a surface of an epitaxial film; and a slip is prevented from forming in an external peripheral portion of a wafer.
    Type: Grant
    Filed: June 12, 2009
    Date of Patent: May 8, 2012
    Assignee: Sumco Corporation
    Inventors: Yoshiro Aoki, Noashi Adachi, Akihiko Endo, Yoshihisa Nonogaki
  • Publication number: 20120081499
    Abstract: According to one embodiment, a print head includes first and second substrates, an OLED array and a drive circuit. The first substrate extending in a first direction and has a main surface including first to third regions. The first region extends in the first direction. The second and third regions are arranged in a second direction crossing the first direction with the first region interposed between the second and third regions. The OLED array includes first electrodes arranged above the first region, an organic emitting layer positioned above the first electrodes, and a second electrode positioned above the organic emitting layer. The drive circuit is configured to supply drive currents to the first electrodes and includes a first circuit positioned above the third region and a second circuit positioned above the third region.
    Type: Application
    Filed: July 18, 2011
    Publication date: April 5, 2012
    Applicant: Toshiba Mobile Display Co., Ltd.
    Inventors: Takanori TSUNASHIMA, Yoshiro Aoki
  • Patent number: 8094110
    Abstract: A plurality of pixel units are arranged in a matrix, each pixel unit including a display element and a pixel circuit which supplies a driving current to the display element. Each pixel circuit includes a first memory section which stores, in a write period of the pixel unit, a first driving current corresponding to a first signal current and then outputs the stored first driving current, and further stores a second driving current corresponding to a second signal current, and a second memory section which stores the first driving current output from the first memory section in the write period of the pixel unit. The pixel circuit outputs, in a light emission period of the pixel unit, a difference current between the second driving current stored in the first memory section and the first driving current stored in the second memory section to the display element as the driving current.
    Type: Grant
    Filed: November 26, 2007
    Date of Patent: January 10, 2012
    Assignee: Toshiba Matsuhita Display Technology Co., Ltd.
    Inventors: Kazuyoshi Omata, Masuyuki Oota, Yoshiro Aoki
  • Patent number: 8008638
    Abstract: This ion implantation apparatus is provided with a holding devise which holds the wafer, and which turns it along its circumference. In addition to holding the wafer at a prescribed position, the ion implantation apparatus subjects the wafer to ion implantation in regions where there is partial overlap of its circumference. The holding devise turns and inclines the wafer, and also holds the wafer by three or more holding pins. The side face of the holding pin has an inversely tapered shape, and the multiple holding pins include a first holding pin whose protrusion amount is relatively small, and a second holding pin whose protrusion amount is relatively large.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: August 30, 2011
    Assignee: Sumco Corporation
    Inventor: Yoshiro Aoki